Bcgs Dong Bang

8/8/2019 Bcgs Dong Bang

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Bo co gim st mi trng Cng ty TNHH THP DONG BANG

MC LC------------o0o-----------

MC LC....................................................................................................................1M U...................................................................................................................3

1. t vn .............................................................................................................3

2. Mc tiu ca bo co............................................................................................4

3. T chc thc hin.................................................................................................4

CHNG I: GII THIU V DOANH NGHIP...................................................4

1.1. Gii thiu chung...............................................................................................4

1.2. C s php l.....................................................................................................5

1.3. Thng tin v hot ng sn xut......................................................................6

1.3.1. Quy trnh cng ngh sn xut.........................................................................6

1.3.2. My mc thit b..............................................................................................6

Bng 1. Danh mc my mc, thit b chnh...............................................................7

(Ngun: Cng ty TNHH Thp DONG BANG)7

1.3.3. Sn phm, cng sut sn xut........................................................................7(Ngun: Cng ty TNHH Thp DONG

BANG).......................................................................................................................8

1.4. Nhu cu nguyn vt liu, nhin liu ...............................................................8

1.4.1. Nhu cu nguyn vt liu..................................................................................8

Nguyn vt liu s dng trung bnh trong mt thng ca cng ty TNHH Thp

DONG BANG c trnh by trong bng 3 di y:.............................................8

Bng 3: Nhu cu s dng cc loi nguyn liu........................................................8(Ngun: Cng ty TNHH Thp DONG

BANG).......................................................................................................................9

1.4.2. Nhu cu nhin liu...........................................................................................9

(Ngun: Cng ty TNHH Thp DONG

BANG).......................................................................................................................9

1.5. Nhu cu lao ng ............................................................................................10

1.6. Hin trng s dng mt bng nh my.........................................................10

CHNG II: CC NGUN GY TC NG MI TRNG.........................10

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2.1. Ngun pht sinh nc thi .............................................................................10

2.1.1. Nc thi sinh hot.......................................................................................10

2.1.2. Nc thi sn xut.........................................................................................11

2.1.3. Nc s dng cho ti cy xanh, PCCC (d phng), r r........................112.1.4. Nc ma chy trn......................................................................................11

2.2. Ngun pht sinh bi v kh thi.....................................................................11

2.2.1. Do qu trnh vn chuyn bc d nguyn liu..............................................11

2.2.2. Do qu trnh sn xut....................................................................................11

2.3. Ngun pht sinh cht thi rn........................................................................12

2.3.1. Cht thi rn sinh hot.................................................................................12

2.3.2. Cht thi rn cng nghip khng nguy hi.................................................12(Ngun: Cng ty TNHH Thp DONG

BANG)........................................................................................................................12

2.3.3. Cht thi nguy hi.........................................................................................12

2.4. Nhit tha........................................................................................................13

2.5. Ting n v rung..............................................................................................14

Trong qu trnh hot ng sn xut ti cng ty ngun pht sinh ting n ch yu

pht ra khi vn hnh cc my mc, thit b c kh. y l ngun nhim c

trng vi loi hnh sn xut ca cng ty...............................................................14

2.6. D bo ri ro v s c mi trng.................................................................14

2.6.1. Tai nn lao ng............................................................................................14

2.6.2. S c chy n.................................................................................................14

CHNG III: BIN PHP GIM THIU V X L CC..............................15

TC NG MI TRNG TIU CC ANG P DNG................................153.1. Bin php gim thiu nhim do nc thi..................................................15

3.1.1. Nc thi sinh hot.......................................................................................15

3.1.2. Nc thi sn xut.........................................................................................16

Hnh 3: S quy trnh cng ngh x l nc thi sn xut...............................17

3.1.3. Nc ma chy trn......................................................................................17

3.2. Bin php gim thiu nhim khng kh......................................................18

3.2.1. Gim thiu nhim t qu trnh giao thng, vn chuyn .........................18

3.2.2. Bin php gim thiu do qua trnh sn xut...............................................18

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3.3. Bin php gim thiu tc ng do cht thi rn...........................................19

3.3.1. Cht thi rn sinh hot.................................................................................19

3.3.2. Cht thi cng nghip khng nguy hi .......................................................19

3.4. Gim thiu nhim nhit, ting n, chn ng.............................................203.5. Phng chng v ng cu s c mi trng...................................................20

CHNG IV: CHNG TRNH GIM ST MI TRNG...........................22

4.1. Gim st mi trng khng kh.....................................................................22

4.1.1. Cht lng khng kh xung quanh .............................................................22

4.1.2. Cht lng khng kh khu vc sn xut......................................................22

4.2. Gim st kh thi l hi...................................................................................23

nh gi v kt lun: Nng bi, CO, SO2, NO2, trong kh thi l hi ti thiim o u nm trong gii hn cho php ca QCVN 19:2009/BTNMT..........24

4.3. Gim st mi trng nc thi.....................................................................24

4.3.1. Nc thi sinh hot.......................................................................................24

Bng 12: Kt qu phn tch nc thi sinh hot sau b t hoi.............................24

4.3.2. Nc thi sn xut.........................................................................................25

Bng 13: Kt qu phn tch nc thi sn xut sau h thng x l.......................25

CHNG V: KT LUN V KIN NGH...........................................................27

5.1. Kt lun............................................................................................................27

5.2. Kin ngh..........................................................................................................28

PH LC...................................................................................................................29

Vn bn php l.........................................................................................................29

M U1. t vn

Vi tc pht trin khoa hc k thut v nhu cu x hi ngy cng gia tng, s

lng Nh my x nghip tng ln khng ngng. Cng vi s gia tng sn xut th vn

mi trng cng ngy cng tr nn cp thit, nhim mi trng ngy cng tr nn

nghim trng v lun c s quan tm ca ngi dn ni ring v ton x hi ni

chung.

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Nhm m bo s pht trin kinh t kt hp bo v mi trng theo xu hng

pht trin bn vng ca ton cu, Cng ty TNHH Thp DONG BANG thc hin cng

tc bo v mi trng nh cam kt v cng tc gim st cht lng mi trng theo

nh k. Vic gim st cht lng mi trng nhm nh gi kh nng tc ng cahot ng sn xut n sc khe con ngi cng nh nh hng n cht lng mi

trng xung quanh.

2. Mc tiu ca bo co

Kho st hin trng hot ng sn xut thp thanh v thp khng g. ng thi

kim tra, nh gi cht lng mi trng khng kh, nc v cc gii php khc phc.

3. T chc thc hin

Cng ty TNHH Thp DONG BANG kt hp vi cng ty C phn u t Pht

trin Mi trng i Vit tin hnh thc hin cng tc gim st cht lng mi trng

t 2 nm 2010.

CHNG I: GII THIU V DOANH NGHIP

1.1. Gii thiu chung

Tn doanh nghip: Cng ty TNHH THP DONG BANG

a ch: KCN Nhn Trch 1, huyn Nhn Trch, tnh ng Nai.

Ch doanh nghip: ng CHUN JUNG KOOK

Chc v: Gim c

Cn b ph trch mi trng: Nguyn nh Trung

in thoi: 0613.560812 0613.560814 Fax: 0613.560811

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1.2. C s php l

Bo co gim st mi trng c thnh lp da theo cc vn bn php l sau:

Cn c vo Lut bo v mi trng c Quc hi nc Cng Ha X Hi Ch

Ngha Vit Nam thng qua ngy 29/11/2005 v c hiu lc thi hnh t ngy 01 thng07 nm 2006.

Ngh nh s 80/2006/N-CP ngy 09/08/2006 ca Chnh ph v hng dn thi

hnh Lut Bo v Mi trng.

Ngh nh s 59/2007/N-CP ngy 09/04/2007 ca Chnh ph V qun l cht thi

rn.

Ngh nh s 21/2008/N-CP ngy 28/02/2008 ca Chnh ph v vic Sa i b

sung mt s iu ca Ngh nh 80/2006/N-CP ngy 09/08/2006 ca Chnh ph v

vic quy nh chi tit v hng dn thi hnh mt s iu ca Lut bo v mi trng.

Thng t 05/2008/TT-BTNMT ngy 08/12/2008 ca B Ti nguyn v Mi trng

v hng dn nh gi mi trng chin lc, nh gi tc ng mi trng v cam

kt bo v mi trng.

Quyt nh 16/2008/BTNMT ngy 31/12/2008 ca B Ti nguyn Mi trng v

vic Ban hnh quy chun k thut quc gia v mi trng.

Quyt nh s 23/2006/Q-BTNMT ngy 26/12/2006 ca B Ti nguyn v Mi

trng v vic Ban hnh Danh mc cht thi nguy hi.

Thng t 12/2006/TT-BTNMT ngy 26 thng 12 nm 2006 ca B Ti nguyn v

Mi trng v vic hng dn iu kin hnh ngh v th tc lp h s, ng k, cp

php hnh ngh, m s qun l cht thi.

Cng vn s 526/TNMT-MT ngy 22/03/2006/ ca S Ti Nguyn v Mi trng

tnh ng Nai v vic thc hin hot ng bo v mi trng.Cn c giy php u t s 111/GP-KCN-N ngy 29 thng 01 nm 2002 v giy

php iu chnh 111/GPDDC1-KCN-N ngy 26 thng 12 nm 2002 do Ban qun l

cc Khu cng nghip ng Nai cp cho Cng ty TNHH Thp DONG BANG.

Phiu xc nhn s 157/BK-TNMT ngy 02/06/2004 ca S Ti nguyn v Mi

Trng v vic xc nhn Bn ng k t tiu chun mi trng D n M rng

nh xngsn xut thp thanh v thp dy khng g, cng sut 600 tn/nm ca cng

ty TNHH Thp DONG BANG.

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1.3. Thng tin v hot ng sn xut

1.3.1. Quy trnh cng ngh sn xut

Hnh 1. S quy trnh cng ngh sn xut thp thanh, thp khng g

Thuyt ming cng ngh:

Thp/dy thp khng g trc khi ko c ph ln b mt lp mui chng nmn. Sau , dy thp c bi trn b mt trong qu trnh ko m v ko bng. Sau

khi ko di, dy thp dnh cc cht bi trn nh (cht bi trn kh TR41B, K3,

W5157S) do phi c lm sch du m trc khi qua cng on tip theo. Tip

theo thp a qua cng on lm do. Sau thp c kim tra, cc ha cht nh

H3PO4, N2, NH3 dng x l b mt dy thp trc khi ng gi v giao cho khch

hng.

1.3.2. My mc thit b

My mc thit b sn xut trong nh my c trnh by bng 1.

Trang 6

Thanh/dy thp khng g

Trng mui

Ko di

Lm sch du m

Lm do

Kim tra

ng gi

Giao hng

Bi

Bi, n

Nc thinhim du m

n


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Bng 1. Danh mc my mc, thit b chnh

(Ngun: Cng ty TNHH Thp DONG BANG)

1.3.3. Sn phm, cng sut sn xut

Sn phm, cng sut sn xut v th trng tiu th ca cng ty thp DONG BANG

c trnh by bng 2.

Bng 2: Danh mc sn phm, cng sut sn xut v th trng tiu th

Tn sn phm Cng sut Th trng tiu th

Thp khng g Trong nc Xut khu

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St Tn my mc thit b n v tnh S lng

1

2

3

4

5

6

78

9

10

11

12

13

14

15

16

17

18

19

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1.4. Nhu cu nguyn vt liu, nhin liu

1.4.1. Nhu cu nguyn vt liu

Nguyn vt liu s dng trung bnh trong mt thng ca cng ty TNHH ThpDONG BANG c trnh by trong bng 3 di y:

Bng 3: Nhu cu s dng cc loi nguyn liu

STTTn nguyn ph

liu

Thnh phn ha

hc

Khi

lng/thngCng dng

1 Thp khng gC, Si, Mn, P, S, Ni,

Cr, Mo, Cu, N500 tn

Sn xut thp

khng g

2Cht bi trn kh

V6S

Sodiumstearate

potassiumstearate150 kg

Bi trn b mt

dy thp trong qu

trnh ko m

3Cht bi trn kh

TR41BCalcium stearate 1.400 kg

Bi trn b mt

dy thp trong qu

trnh ko m

4

Cht bi trn t

K3

Potassium soap

Corrosion Inhibitor

Water

80 kgLm bng b mt

dy thp

5Cht bi trn t

W5 157S

Tallow

Parafin wax

Refined mineral oil

Polyoxyethylene

eonyl ether

Sorbitan mono

oleate

Sodium oleate

Water

120 kg

Bi trn b mt

dy thp trong qu

trnh ko bng

6 Mui SP-3Potassium Sulfate

Sodium Borate

600 kg

Ph ln b mt

dy thp ng

chng n mn

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7 H3PO4Phosphric acid

Water1.800 kg

X l b mt dy

thp

8 N2 N2 600 kg

Lm sch v bo

v bn trong ng

nhit

9 NH3 NH3 2.400 kgX l b mt dy

thp

10 Fe2(SO4)3 Fe2(SO4)3 200 kg X l nc thi

11 NaOH NaOH 100 kg X l nc thi

12 Ca(OH)2 Ca(OH)2 800 kg X l nc thi

13 FLOC FLOC 4 kg X l nc thi


1.4.2. Nhu cu nhin liu

Nhin liu s dng chnh trong qu trnh sn xut ti Cng ty l in v du DO s

dng cho thp sng, vn hnh my mc thit b, cung cp nhit cho l hiLng nhin liu tiu tn ny c trnh by trong bng 4.

Bng 4: Nhu cu s dng cc loi nhin liu

STT Nhin liu S lng/thng Ngun cung cp

1 in 187324 KW -

2 Du DO - -


Nhu cu s dng nc:

Tng lng nc s dng cho sinh hot v sn xut ca cng ty khong 2.499 m 3/

thng ( 96 m3/ ngy m), trong :

Nc dng cho ti cy, ra ng, r r, phng chy cha chy: 3 m3/ ngy

m.

Nc dng cho hot ng sn xut: 52 m3/ ngy m, lng nc ny ch yu

lm sch b mt sn phm. Nc dng cho sinh hot: 41 m3/ ngy m.

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Ngun cung cp nc do cng ty TNHH MTV pht trin th v KCN IDICO cung

cp.

1.5. Nhu cu lao ng

Tng s lao ng ca cng ty l 129 ngi.S ca lm vic: 3 ca/ngy.

Ca 1: 6 h sng 4 h chiu.

Ca 2: 4 h chiu 12 h m.

Ca 3: 12 h m 4 h sng.

1.6. Hin trng s dng mt bng nh my

Quy m din tch: 16.750 m2

Din tch xy dng: 12.065 m2

Din tch cy xanh: 4.411 m2 t khong 26,33% tng din tch.

CHNG II: CC NGUN GY TC NG MI TRNGDa vo hot ng sn xut kinh doanh nu trn, Cng ty c kh nng pht sinh

cc loi nhim kh thi, nc thi, cht thi rn, tin n, nhit v rung t cc ngun

sau:

2.1. Ngun pht sinh nc thi

2.1.1. Nc thi sinh hot

Nc thi sinh hot ch yu t nh n tp th v t nh v sinh.

Hin ti tng s cn b cng nhn vin ti cng ty khong 129 ngi, lng nc

dng cho nhu cu sinh hot ca cn b cng nhn vin khong: 41 m 3/ ngy m,

lng nc thi trung bnh: 32,8 m3/ ngy m (80% lng nc cp cho sinh hot).

V c im v tnh cht: ngun nc ny thng cha cc cht hu c (c trng

bi cc thng s BOD5, COD), cht rn l lng (SS), cht dinh dng Nit, phospho),

vi sinh

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2.1.2. Nc thi sn xut

Nc dng cho nhu cu sn xut khong 52 m3/ ngy m, lng nc thi trung

bnh khong 41,6 m3/ ngy m.

V c im v tnh cht: ngun nc thi ny c trng bi cc thng s pH,nhit , SS, COD, BOD, Phospho tng, Nit tng, du m khong, mu, Fe,

Xianua, Coliform, Ni, Zn, Cr6+

2.1.3. Nc s dng cho ti cy xanh, PCCC (d phng), r r

Lng nc ny cng ty s dng trong cng tc chm sc cy xanh, thm c, ti

sn Ngoi ra, Cng ty s dng nc cho vic d phng phng chy cha chy

(PCCC), r r, c tnh 3 m3/ ngy.

2.1.4. Nc ma chy trn

Bn thn nc ma khng gy nhim mi trng nhng khi chy trn qua khu

vc mt bng phn xng s cun theo cc cht cn b, rc, t ctDo , nc ma

s b nhim cc cht l lng. Cng ty thng xuyn cho qut dn, thu gom lng rc

ri vi trn b mt nh xng, kho bi, nhm lm gim s li cun ca cc cht d bn

khi nc ma chy trn qua khun vin cng ty. Xy dng h thng thot nc ma

c np an chy xung quanh nh xng tch hon ton nc ma v nc thi.

2.2. Ngun pht sinh bi v kh thi

Bi v kh thi pht sinh trong hot ng sn xut t ngun ch yu sau:

2.2.1. Do qu trnh vn chuyn bc d nguyn liu

Qu trnh bc d nguyn vt liu v hot ng ca cc phng tin vn chuyn

pht sinh bi v kh thi. Cc phng tin vn ti vi nhin liu tiu th ch yu l

xng v du diezel s thi ra mi trng mt lng khi thi cha cc cht nhimkhng kh. Thnh phn ch yu l COx, NOx, SOx, cacbuahydro, aldehyd v bi.

Ngun nhim ny phn b ri rc v khng thng xuyn nhng cng ty phi c k

hoch bc d v vn chuyn nguyn vt liu, sm phm hp l trnh gy nhim

mi trng.

2.2.2. Do qu trnh sn xut

2.2.2.1. Bi

Bi pht sinh trong cng on sn xut vi thnh phn ch yu l bi kim loi, oxit

kim loi vi ti lng khng cao.

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2.2.2.2. Kh thi

Kh thi pht sinh t l hi v my pht in d phng, tuy nhin lng kh thi ny t

v khng ng hng ng k n mi trng.

2.3. Ngun pht sinh cht thi rn2.3.1. Cht thi rn sinh hot

Cht thi rn sinh hot gm cht thi t nh n tp th v t cng tc vn phng:

thc phm, rau qu d tha, ti nilon, v lon, chai, giy, Hin ti cng ty c 129 cn

b cng nhn vin lm vic, lng rc thi ton cng ty c tnh khong 1.000

kg/thng.

2.3.2. Cht thi rn cng nghip khng nguy hi

Cht thi rn cng nghip khng nguy hi pht sinh trong qu trnh hot ng sn

xut ca cng ty: giy vn, g, thp inox ph phm, bao polymer vi khi lng

pht sinh trung bnh khong 7.100 kg/thng.

Bng 5: Thnh phn, khi lng cc loi cht thi cng nghip khng nguy hi

pht sinh trung bnh trong 1 thng

STT Tn cht thiTrng thi tn ti

(Rn/lng/bn)

S lng

(kg/thng)

1Nhm kim loi v hp kim: thp

inox ph phmRn 7.000

2 Nhm nha: bao polymer Rn 503 Nhm g/giy Rn 50

Tng 7.100


Tt c cc cht thi rn trn u c phn loi v cha ring bit, sau hp ng

vi Hp Tc X Dch V VSMT Hip Ha thu gom, vn chuyn x l ng quy nh.2.3.3. Cht thi nguy hi

Cht thi nguy hi ca cng ty bao gm: Bng n hunh quang, bao b, thng

cha nhim cc thnh phn nguy hi, gi lau v sinh cng nghip v bao tay Khi

lng trung bnh pht sinh hng thng l: 16.062 kg/thng.

Bng 6: Thnh phn, khi lng cc loi cht thi nguy hi pht sinh trung bnh

trong 1 thng

STT Tn cht thi M cht thiS lng

( kg/thng)

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1 Bn thi 12 06 06 14.000

2Hn hp cht thi bi trn v ph b

mt dng rn07 03 06 1.000

3Hn hp cht bi trn v ph b mt

dng lng07 03 02 100

4 Cn acid H3PO4 thi (dng st) 07 01 01 5005 B lc du, lc nht qua s dng 15 01 02 10

6Du nht thi t xe nng, my nn

kh15 01 07 40

7Du ng c, hp s v bi trn tng

hp thi17 02 03 50

8Bao b, thng cha thi c cha hoc

b nhim cc thnh phn nguy hi

18 01 01 150

9Gi lau nhim cc thnh phn nguy

hi

18 02 01200

10Cht thi nhim du nht t qu trnh

v sinh cng nghip19 07 01 10

11 Bng n hunh quang thi 16 01 06 2Tng 16.062


Tt c lng cht thi ny c cng ty thu gom tp trung li mt ch ring bit vhp ng vi Cng ty TNHH Xi mng Holcim Vit Nam ( HVL) thu gom, vn chuyn

v x l ng quy nh.

2.4. Nhit tha

Trong qu trnh hot ng sn xut ti cng ty, nhit tha pht sinh ch yu t cc

cng on sau:

Nhit tha pht sinh t hot ng ca cc my mc, thit b phc v sn xut (my

luyn, my ko) v h thng ng dn nhit t l hi cung cp nhit.

Bc x nhit mt tri qua trn mi tole vo nhng ngy mt tri nng gt.

Qu trnh tch t nhit trong nh xng sn xut cha c thng thong tt.

Tuy nhin, m bo nhit tha khng gy nh hng n mi trng v cng

nhn sn xut trc tip, cng ty khc phc bng thng thong t nhin, hoc thng

gi cng bc.

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2.5. Ting n v rung

Trong qu trnh hot ng sn xut ti cng ty ngun pht sinh ting n ch yu

pht ra khi vn hnh cc my mc, thit b c kh. y l ngun nhim c trng vi

loi hnh sn xut ca cng ty.Ting n t hot ng vn chuyn nguyn vt liu, thnh phm.

Ngoi ra, ting n cn pht sinh t hot ng cc phng tin giao thng vn ti

pht ra t ng c, do s rung ng ca cc b phn xe. Tuy nhin, mc n o ny

khng ng k v khng thng xuyn.

2.6. D bo ri ro v s c mi trng

2.6.1. Tai nn lao ng

Cc nguyn nhn c th dn ti tai nn lao ng l do:

- Bt cn ca cng nhn trong qu trnh vn hnh my mc, thit b v bc d hng

ha.

- Khng tp hun an ton lao ng cho cng nhn.

- Do khng tun th ni quy v an ton lao ng khi lm vic.

- Tnh trng ca cng nhn khng tt dn n thiu tp trung khi lm vic.

2.6.2. S c chy n

Nguyn nhn gy chy n c th k n bao gm:

Tng tr nhin liu khng ng quy nh.

S c v cc thit b in: dy trn, dy in, ng c, qut b qu ti trong qu

trnh vn hnh, pht sinh nhit v dn n chy.

Do vy, cng ty rt ch trng n cng tc phng chy cha chy m bo an

ton trong lao ng sn xut v hn ch nhng mt mt, tn tht c th xy ra.

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CHNG III: BIN PHP GIM THIU V X L CC

TC NG MI TRNG TIU CC ANG P DNG

3.1. Bin php gim thiu nhim do nc thi


Nc thi sinh hot ch yu t nh n tp th v t nh v sinh, vi lng nc

thi khong 32,8 m3/ ngy m, c x l bng b t hoi 03 ngn. B t hoi ng

thi c 2 chc nng: lng v phn hy cn lng. Thi gian lu nc t 3 - 6 ngy, cn

lng gi li trong b t 6 - 8 thng, di nh hng ca cc vi sinh vt, cc cht hu

c b phn gii, mt phn to thnh kh v mi phn to thnh cc cht v c ha tan.

Hnh 2: Cu to b t hoi x l nc thi sinh hotNguyn l hot ng ca b t hoi:

Trang 15

Lp vt liu lc

ng dn nc vo

ng thot nc ra

Ngn lng v

ln mencn

Ngn lng

Ngn lc


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Nc thi sinh hot s c thu gom v b t hoi x l. Nc thi vo b t

hoi u tin s qua ngn lng v phn hy cn. Ti ngn ny, cc cn rn c gia

li v phn hy mt phn vi hiu sut khong 20% di tc dng ca vi sinh vt k

kh. Sau , nc qua ngn cha nc. Ti y, cc thnh phn hu c c trong ncthi tip tc b phn hy di tc dng ca vi sinh vt k kh. Sau ngn lng cn, nc

c a qua ngn lc vi vt liu lc bao gm si, than, ct c b tr t di ln

trn nhm tch cc cht rn l lng c trong nc thi. B t hoi u c ng thng

hi gii phng kh t qu trnh phn hy. Sau b t hoi, hm lng cht hu c

(BOD, COD) v dinh dng (nit, phospho) gim khong 60%; du m ng thc vt

gim khong 80%; cht rn l lng gim khong 90%.

Nc thi sinh hot sau khi c x l s b ti b t hoi, s c dn v h

thng x l nc thi x l tip trc khi thot ra h thng thot nc thi tp trung

ca KCN Nhn Trch 1.


Nc thi sn xut ca cng ty khong 41,6 m3/ ngy m c thu gom v a v

h thng x l nc thi x l t QCVN 24:2009/BTNMT ct A trc khi chy

vo h thng thot nc ca KCN Nhn Trch 1.

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Hnh 3: S quy trnh cng ngh x l nc thi sn xut

3.1.3. Nc ma chy trn

Cng ty thit k h thng mng rnh h vi cc h ga c song chn rc nhm

thu gom lng nc ma chy trn trn b mt cc phn xng sau chy vo cng

thot nc chung ca KCN Nhn Trch 1.

Cng ty thng xuyn c ngi qut dn sch s, thu gom nguyn liu ri vi trn

b mt kho bi nhm trnh trng hp nc ma cun theo nguyn vt liu xung hthng cng ca cng ty.

Trang 17

My ra 1 & 2( Ha cht thi)

Bn cha ha cht(9)

Nc thi

Bn cha

(1)

Bn trn(2)

Bn ha cht 1(3)

Bn ha cht 2(4)

Bn ha cht 3(5)

Bn lng(6)

Bn cha(7)

Bn cacbon(8)

H thng cng NIP

Fe2(SO

4)

3

pH = 2.0

Ca(OH)2pH = 7.0

PlOC

Bn cha(Sau khi lng)

My p

Cht thi rn: dng bnh

Ncsaukhip

Ghi ch:*pH: Bn 3: 1~ 2

*pH: Bn 4: 7~ 8

*pH: Ci t v iu chnh bng

Sensor d


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nh k 06 thng Cng ty s thu gom lng cn tch t trong cc h ga ca h

thng nc thi chung ca cng ty v giao cho n v c chc nng thu gom, mang i

x l ng quy nh.

3.2. Bin php gim thiu nhim khng kh3.2.1. Gim thiu nhim t qu trnh giao thng, vn chuyn

hn ch nhim mi trng t qu trnh hot ng ca cc phng tin giao

thng ra vo khun vin, cng ty p dng cc bin php sau:

Thc hin phun nc sn bi hng ngy nht l nhng ngy nng nng, trnh

vic bi pht tn i xa.

Thng xuyn chm sc v trng mi cy xanh dc theo cc b tng ro theo

quy nh ca Nh nc nhm to s thong mt trong khun vin cng ty cng nh

ngn bi pht tn ra mi trng xung quanh.

B tng ha ton b ng ni b, sn bi v kho cha nguyn vt liu.

Gim tc < 5 km/h, khi cc phng tin chy trong khun vin nh my.

Thng xuyn bo dng cc phng tin bc d v cc loi xe ti vn chuyn

thuc ti sn cng ty.

Vn hnh ng trng ti gim thiu cc loi kh thi.

Khng c n my trong khi ch giao nhn hng nhm gim thiu cc loi kh

thi.

3.2.2. Bin php gim thiu do qua trnh sn xut

3.2.2.1.Gim thiu nhim do bi

Bi l ngun nhim c trng ca quy trnh sn xut. Tuy nhin, y l bi kim

loi c khi lng ln, d lng. Cng ty c cc bin php sau nhm gim thiu

nhim bi: cc thit b c kh s dng ti cng ty u c thit k kn, ti cc cngon u c chp ht bi ti u ra thnh phm nn lng bi trong phn xng

c gim thiu kh nhiu.

Cng nhn trang b khu trang chuyn dng cho ton b cng nhn trc tip sn

xut ng thi c k hoch kim tra vic eo khu trang ca cng nhn khi lm vic,

trnh trng hp c khu trang m khng s dng vi bt c l do no.

3.2.2.2.Gim thiu nhim do kh thi

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Cng ty thit k nh xng sn xut thng thong, vi chiu cao hp l, to

iu kin cho khng kh bn ngoi v bn trong phn xng lu thng, trao i d

dng.

i vi kh thi l hi v my pht in d phng, Cng ty gim thiu bngcch lp t chiu cao ng khi ln hn 5 m pht tn gy nh hng ti ngi lao

ng.

3.3. Bin php gim thiu tc ng do cht thi rn

Vn gim thiu nhim do cht thi rn bao gm vic kim sot v x l trit

rc thi sinh hot, cht thi cng nghip khng nguy hi v cht thi nguy hi. Ch

u t thc hin cc bin php sau:

Cc loi cht thi rn ca cng ty u c gim thiu v phn loi ngay ti ngun,

ty theo tng thnh phn, tnh cht m c ng gi cha ng trong nhng bao b

thch hp.

3.3.1. Cht thi rn sinh hot

Cht thi rn sinh hot khong 1000 kg/thng gm cht thi t nh n tp th v t

cng tc vn phng: thc phm, rau qu d tha, ti nilon, v lon, chai, giy, c

thu gom vo cc thng cha rc ng quy nh v hp ng vi vi Hp Tc X Dch

V VSMT Hip Ha thu gom, vn chuyn x l ng quy nh.

3.3.2. Cht thi cng nghip khng nguy hi

Tt c cc loi cht thi rn cng nghip khng nguy hi nh: nha xp, bao b

polymer, thp inox ph phm, vi tng lng thi khong: 7.100 kg/thng c

cng ty hp ng vi Hp Tc X Dch V VSMT Hip Ha thu gom, vn chuyn v

x l ng quy nh.

3.3.2. Cht thi nguy hiCht thi cng nghip nguy hi khong 16.062 kg/thng c cng ty phn loi,

thu gom tp trung li nhng ni ring bit v hp ng vi Cng ty TNHH Xi mng

Holcim Vit Nam ( HVL) thu gom, vn chuyn v x l ng quy nh.

Cng ty lp th tc ng k qun l cht thi nguy hi i vi ch ngun thi

cn c theo quy nh ca Thng t s 12/2006/ TT-BTNMT ngy 26/12/2006 ca B

Ti Nguyn Mi Trng; Quyt nh s 23/2006/QQD-BTNMT ngy 26/12/2006 ca

B Ti Nguyn Mi Trng v c S Ti Nguyn v Mi Trng tnh ng Nai

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cp S ng k qun l ch ngun thi cht thi nguy hi s 749/SK-TNMT ngy

14/11/2008.

3.4. Gim thiu nhim nhit, ting n, chn ng

Cng ty thit k nh xng sn xut thng thong, vi chiu cao hp l to iukin cho khng kh bn ngoi v trong phn xng lu thng, trao i d dng, gim

thiu bc x nhit do mt tri v ngun hi nng do hot ng sn xut.

Hi nng t cc cng on sn xut c chp ht mt phn v gim thiu bng

cch lp t qut thng gi

Ngoi ra cng ty cn c cc bin php sau:

Thng xuyn tin hnh bo tr, vn hnh my mc ng cng sut thit k

nhm gim thiu ting n trong qu trnh sn xut.

Cch ly hp l cc ngun n ra cc v tr ring bit.

i vi cc loi my mc, thit b hot ng pht sinh ting n ln cc chn

my c m bng cao su.

T chc cc khu yn tnh cho cng nhn ngh trong gi gii lao.

3.5. Phng chng v ng cu s c mi trng

3.5.1. An ton lao ngTrang b y bo h lao ng cho cng nhn vin.

Cng nhn khng c ht thuc, khng mang bt la, dim qut, cc dng c

pht ra la trong khu vc d gy chy n.

3.3.2. Phng chng chy n

Cng ty rt ch trng n vn phng chng chy n. Hin nay cng ty v

ang thc hin cc bin php phng chng chy n nh:

H thng ng m bo cho xe cu ha ra vo thun li, m bo tia nc phunt vi rng ca xe cu ha c th phun bt k v tr no ca phn xng pht sinh ra

la.

Thng xuyn kim tra h thng in trnh hin tng chp in xy ra.

Ton b cng nhn vin trong xng c chia thnh cc t ng cu khi xy ra

s c v c t chc tham gia lp tp hun v phng chy cha chy v an ton lao

ng mi nm mt ln.

Cng ty lp t h thng thu st, thu tnh in tch t.

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CHNG IV: CHNG TRNH GIM ST MI TRNG4.1. Gim st mi trng khng kh

4.1.1. Cht lng khng kh xung quanh

V tr gim st: khu vc cng vo cng ty.Thng s gim st: Nhit , m, tc gi, ting n, bi, CO, SO2, NO2.

Kt qu gim st:

Bng 7: Kt qu gim st m, n ngoi khu vc sn xut

im oNhit

(0C)

m

(%)

Tc gi

(m/s)

n

(dBA)

Ngoi cng bo vTCVN 5949:1998 - - - 75

nh gi v kt lun: n ngoi nh xng ti thi im o nm trong gii hn

cho php ca TCVN 5949:1998.

Bng 8: Kt qu gim st nng hi, kh c v bi trong khng kh

im oBi

(mg/m3)

CO

(mg/m3)

SO2

(mg/m3)

NO2

(mg/m3)

KK01: cng vo cng ty

QCVN 05:2009/BTNMT 0,3 30 0,35 0,2

nh gi v kt lun: nng bi, CO, SO2, NO2, trong khng kh xung quanh

ngoi nh xng ti thi im o u nm trong gii hn cho php tiu chun QCVN

05:2009/BTNMT.

4.1.2. Cht lng khng kh khu vc sn xut

V tr gim st: 02 v tr.

Thng s gim st:Nhit , nh sng, m, tc gi, ting n, bi, CO, SO2,

NO2.

Kt qu gim st:

Bng 9: Kt qu gim st vi kh hu v n khu vc sn xut

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im oNhit

(0C)

m

(%)

Tc

gi

(m/s)

n

(dBA)

Khu vc sn xut Xng AKhu vc sn xut Xng B

Tiu chun v sinh cng nghip

(theo Quyt nh 3733/2002 /Q-BYT ngy 10/10/2002)

34 80 0,2 1,5 85

nh gi v kt lun: vi kh hu, n trong khu vc sn xut ti thi im o

u nm trong gii hn cho php ca tiu chun v sinh cng nghip (theo quyt nh

3733/2002/Q-BYT ngy 10/10/2002).

Bng 10: Kt qu gim st nng cc cht c hi trong khu vc sn xut

im oBi

(mg/m3)

CO

(mg/m3)

SO2

(mg/m3)

NO2

(mg/m3)

Khu vc sn xut Xng A

Khu vc sn xut Xng B

Tiu chun v sinh cngnghip

(theo Quyt nh3733/2002 /Q-BYT ngy10/10/2002)

8 40 10 10

nh gi v kt lun: nng bi, CO, SO2, NO2, trong khu vc sn xut ti

thi im o u nm trong gii hn cho php ca tiu chun v sinh cng nghip

(theo Quyt nh 3733/2002/Q-BYT 10/10/2002).4.2. Gim st kh thi l hi

V tr gim st: 01 v tr.

Thng s gim st: Bi, CO, SO2, NO2.

Kt qu gim st:

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Bng 11: Kt qu gim st cht lng kh thi l hi

im oBi

(mg/m3)

CO

(mg/m3)

SO2

(mg/m3)

NO2

(mg/m3)

Kh thi l hi

QCVN 19:2009/BTNMT 200 1000 500 500

nh gi v kt lun: Nng bi, CO, SO2, NO2, trong kh thi l hi ti thi

im o u nm trong gii hn cho php ca QCVN 19:2009/BTNMT.

4.3. Gim st mi trng nc thi


V tr gim st: sau b t hoi.

Thng s gim st: pH, SS, BOD, COD, NNH3, tng N, tng P, du ng thc

vt, coliform.

Kt qu gim st:

Bng 12: Kt qu phn tch nc thi sinh hot sau b t hoi

STT Ch tiu n v Kt qu

Tiu chun vo

KCN Nhn Trch1

1 Nhit 0C 45

2 pH - 5 - 9

3 COD mg/l 500

4 BOD5 mg/l 200

5 SS mg/l 3006 Tng N mg/l 60

7 Tng P mg/l 6

8 Du m mg/l 20

9 Coliform MPN/100 ml 10.000

nh gi v kt lun: Ti thi im o c cc ch tiu trong nc thi sinh

hot nm trong gii hn cho php trc khi u ni vo h thng x l nc thi tptrung KCN Nhn Trch 1.

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V tr gim st: h ga tp trung nc thi ca cng ty trc khi dn v h thng

thot nc thi ca KCN Nhn Trch 1.

Thng s gim st: Nhit , pH, mu, SS, BOD, COD, tng N, tng P, du mkhong, Fe, CN-, Zn, Ni, Cr6+ , Coliform.

Kt qu gim st:

Bng 13: Kt qu phn tch nc thi sn xut sau h thng x l

STT Ch tiu t n vKtqu

QCVN24:2009/BTNMT

Ct A

Cmax

Kq = 1,1; Kf =1,2

1 Nhit 0C 40 40

2 pH - 5 9 5 9

3 mu Co-Pt 20 26,4

4 COD mg/l 50 66

5 BOD5 mg/l 30 39,6

6 SS mg/l 50 66

7 Tng N mg/l 15 19,8

8 Tng P mg/l 4 5,28

9 Fe mg/l 1 1,32

10 CN- mg/l 0,07 0,0924

11 Zn mg/l 0,1 0,132

12 Ni mg/l 0,2 0,26413 Cr 6+ mg/l 0,05 0,066

14Du mkhong

mg/l 5 6,6

15 ColiformMPN/100

ml3.000 3.000

nh gi v kt lun: Ti thi im o c,tt ccc ch tiu trong nc thi

sau x l trc khi thi ra mi trng t Quy chun QCVN 24:2009/BTNMT ct A.

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CHNG V: KT LUN V KIN NGH

5.1. Kt lun

Cng ty TNHH Thp DONG BANG thc hin y cc bin php bo v mi

trng. Cc bin php qun l v x l mi trng thc hin nh:

V mi trng khng kh:

Cht lng khng kh v ting n khi o c ti khu vc xung quanh t quy

chun k thut v cht lng mi trng khng kh xung quanh QCVN

05:2009/BTNMT, v tiu chun m hc ting n TCVN 5949 1998 (t 6 gi - 18

gi).

Cc ch tiu phn tch cht lng mi trng khng kh khi o c trong cc khuvc sn xut u t tiu chun v sinh lao ng vi Quyt nh s 3733/2002/Q

BYT ca B Y T.

Cng ty cng xy dng h thng qut ht gi, my iu ha khng kh nhm

gim thiu ng k nhit d trong khu vc kinh doanh sn xut.

V mi trng nc:

Kt qu phn tch cht lng nc thi sinh hot cho thy:

Kt qu phn tch cht lng nc thi sn xut sau h thng x l cho thy: Tt

c cc ch tiu u nm trong gii hn cho php QCVN 24:2009, ct A.

Cng ty cam kt ci to, nng cp b t hoi ch tiu Coliform nm trong gii

hn cho php.

Cng ty tip tc duy tr s hot ng n nh ca h thng x l nc thi tt

c cc ch tiu lun nm trong gii hn cho php QCVN 24:2009, ct A.

V cht thi rn:Cng ty thc hin y quy trnh thu gom cht thi rn.

Cng ty c s ch ngun thi cht thi nguy hi.

gip gi vng v ci thin cht lng mi trng hin nay cng ty tip tc thc

hin:

Trng b sung cy xanh xung quanh nh xng, ng ni b va c tc dng che

nng, gim nhit khng kh v to cm gic mt m cho cng nhn, va c tc dng

iu ha vi kh hu ca khu vc.

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Thc hin vic qut nn, ti nc, v sinh ng ni b, bn bi,nhm gim

thiu lng bi c th bc ln do gi thi, s di chuyn ca cc phng tin s lm

tng lng bi trong khng kh.

Cng ty s tin hnh thc hin chng trnh gim st mi trng ca nh my vitn sut 2 ln/nm trnh C quan qun l nh nc v mi trng xem xt.

5.2. Kin ngh

Cng ty TNHH Thp DONG BANG tun th cc bin php bo v mi trng,

hn ch nhim ph hp vi Quy chun Vit Nam v kh nng ca mnh. V vy,

Cng ty xin kin ngh vi cc C quan Qun l Mi trng chc nng ca Trung

ng v a phng xem xt v bo co hin trng mi trng ca Cng ty.

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PH LC

Vn bn php l.

Kt qu phn tch. Cc quy chun Vit Nam c lin quan.

Bcgs Dong Bang

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