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PENGOLAHAN LIMBAH CAIRPENGOLAHAN LIMBAH CAIR
SECARASECARABIO-KIMIA (ANAEROB-AEROB)BIO-KIMIA (ANAEROB-AEROB)
DISAMPAIKAN OLEH : EDY HANDADISAMPAIKAN OLEH : EDY HANDAYYANTOANTOBBTKLPP YOGYAKARTABBTKLPP YOGYAKARTA
DISELENGGARAKAN OLEHDISELENGGARAKAN OLEH::
BBBBKKKPKPYOGYAKARTAYOGYAKARTAJUNIJUNI 20120144
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PENGOLAHAN LIMBAH CAIR DENGANPROSES LUMPUR AKTIF (activated
slugde)
Proses pengolahan limbah cair secara biologi(lumpur aktif) dilakukan dg memanfaatkan
aktivitas mikroorganisme (bakteri aerob,
ganggang, protozoa, dll) untuk mengurai atau
merombak senyawa-senyawa organik menjadi
zat-zat yg sederhana (stabil).
!"!#-!"!# P$%&'!!% *+! !*#
"$!#! *''&*
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1. KELOMPOK BAKTERI AEROBYG DPTMENYEDERHANAKAN
B! O"#$!%& ' O2 CO2' H2O ' !"#%.B! O"#$!%& ' !"#% "*+,+$! /.
E!"#% %/$!# # $!$.
E!"#% "%"$% $! ,*%/%*$.
NH' O2 NO2' !"#%.
B$&*.!%*",!$
NO2' O2 NO' !"#%.
B$&*. !%*"$&*"
H2S ' O2 H2SO4'!"#%.
B$&*.+/3+"
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2. KELOMPOK ALGAE GANGGANG
K/,& %!% "%3$* 3*%!**%&5 *%#$,$"&$! :
%!$"6$$7$
CO2' PO4' NH S/ ' O2.
. KELOMPOK PROTO8OAPROTO8OA..
K/,& %!% ,,+!7$% %*, !6"!$$!$! ,,$!3$$*&$! $$! "#$!%& #,$&$!$!!7$. D$/$, !#/$$! /%,$ 6$%"""$! /, ,!6"!$ $&*"% $! $/#$,!6"!$ $&*"% $! $/#$..
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POPULASI BAKTERI DIIPLCIPAL
D%!#$"+% / :
1.N+*"%% N%*"#! (N) $! P"
(P).2.2.S++ $! H.S++ $! H.
..K$$" O&%#! T"/$"+* (DO)K$$" O&%#! T"/$"+* (DO)..
4.4.U,+" /+,+".U,+" /+,+".9.9.D*!*%! *%, ($&*+ *%!##$/)D*!*%! *%, ($&*+ *%!##$/)LCLC..
;.;.S!7$$ *
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P"%*+!#$! K+*+$! N+*"%P"%*+!#$! K+*+$! N+*"%SISI: N.: N.
P"%*+!#$! "$*% BOD : N : P = 100 : 9 : 1P"%*+!#$! "$*% BOD : N : P = 100 : 9 : 1P"%&$ "$*% BOD : NP"%&$ "$*% BOD : N
N =N = N.O"# (,#/)N.O"
# (,#/) < 100< 100
BOD (,#/)BOD (,#/)
J%&$ N > 95 ,$&$ "/+ !$,$$! ++&J%&$ N > 95 ,$&$ "/+ !$,$$! ++&
+"$.+"$.
J+,/$ +"$ 7$!# %*$,$&$! (,#/) =J+,/$ +"$ 7$!# %*$,$&$! (,#/) =
(0509 BOD ? N.O"#)
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L$!+*$!L$!+*$!
PERHITUNGANPERHITUNGAN K+*+$! N+*"%% :K+*+$! N+*"%% :
PP
P"%&$ "$*% BOD : PP"%&$ "$*% BOD : P
P =P = P (,#/)P (,#/) < 100< 100
BOD (,#/)BOD (,#/)
J%&$ P > 15 ,$&$ "/+ !$,$$! ++&J%&$ P > 15 ,$&$ "/+ !$,$$! ++&TSP.TSP.
J+,/$ TSPSP 7$!# %*$,$&$! (,#/) =J+,/$ TSPSP 7$!# %*$,$&$! (,#/) =
(0501 BOD ? P)
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Berat atom
H = 1Ca = 40C = 12S = 32P = 31N =14O = 16
Urea = CON2H4 atau (NH2)2COTSP = 3Ca(H2PO4)2
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Lanjutan
2. S++ $! H.2. S++ $! H.
S++ : ,!!*+&$! &6$*$! &$*$/%%!##$ $&$! "!#$"+$$ +&+"$! $"*%&/&,%&"%$ ( > 9 C).
H : 50 ? 59 ,"+$&$! +!6$&+/$%
"*+,+$! ,%&""#$!%,.
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Lanjutan
.. K$$" O&%#! (DO)K$$" O&%#! (DO)..
K*"%$$! O&%#! *"/$"+* (DO) $#%,%&""#$!%, $!#$* ,,!#$"+%
"/$!#+!#!7$ " $%,%/$% "*$*% ,%&""#$!%,. (DO = 1 ? 4 ,#/)DO = 250 - 52
DO > 150 ,!7$&$! ,%&""$ 7# 3$6+/*$*%3$&$! $&*%3 $! $%/ $&%" ,*$/%,!7$"+$ /$&*$*5 $/&/5 &*!5 $/% $! CO2.
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Lanjutan
4.4. U,+" /+,+".U,+" /+,+".
U!*+& ,!#$/+$% $&+,+/$% /+,+"$&*%3 7# ,,!#$"+% $%/ FM.P!$,$$! /+,+" $&$! ,!$,$ M5# $$%/$ F &!*$! $&$! ,!+"+!&$!"$*% FM5 $&%$*!7$ &$"$&*" !#!$$!/%,$ ,!$% "!$ $! &+$/%*$ +!,!$% *+"+!.
#" MLSS /, $& $"$%
U,+" /+,+" =
#" SS /, +! /+,+" 7# %+$!#"
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Lanjutan
9. D*!*%! *%, ($&*+ *%!##$/).9. D*!*%! *%, ($&*+ *%!##$/).
$&*+ $"$% %*, /+,+" $&*%3 12 ?4 $,.
$&*+ % $& !#!$ 4 ? $,.
P" !#/$$! /%,$ 6$%" #,!##+!$&$! &/$, *$%/%$% 14 ? ;0 ".(* /%,$ 6$%" &/$$ $%*5 #*$ !&$"* $! #*$ ! %!+).
D*!*%! *%, (* ) = < 24 $,
$/$#!%&!% 0
1 2 1olume bak aerasi (m3) atau kolam stabilisasi.
4 2 ebit limbah per hari (56 jam)
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Lanjutan
;. S!7$$ *
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Pengolahan *+! !*# secara iologi
(P#'"$" !% !$#' )
+engunakan akteri !naerob , syarat 0
7. p limbah cair %etral 0 (8,9 : ;,9).
5. imbah tidak mengandung 'ksigen ('5).
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Pemurnian limbah !*# & !/$#* !n aerob
I! L*
DO = 0,#/
O+*L*
L+,+" ,$*% 1 BULAN
BAKTERIAN AEROB
AKTIF
MANHOLE
CEROBONGENTILASI
Penghancur scum
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Pengolahan *+! !*# secara iologi
(P#'"$" !$#' )
P" L+,+" A&*%35 7$"$* :P" L+,+" A&*%35 7$"$* :
1.1. H /%,$ 6$%" N*"$/ : (50 ? 59).H /%,$ 6$%" N*"$/ : (50 ? 59).
2.2.
O&%#! 6+&+ (DO) : (250 ? 52 ,#/* OO&%#! 6+&+ (DO) : (250 ? 52 ,#/* O
22).).
.. N+*"%% ( N P K ) 6+&+ : (+"$-145 SP-;).N+*"%% ( N P K ) 6+&+ : (+"$-145 SP-;).
4.4. S/+# /$*%/ I!< (SI) : 10 ? 9 @.S/+# /$*%/ I!< (SI) : 10 ? 9 @.
9.9. $&*+ *%!##$/ % $& A"$% 6+&+.$&*+ *%!##$/ % $& A"$% 6+&+.
;.;. T%$& ,!#$!+!# !7$$ *
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PROSES LUMPUR AKTIFPROSES LUMPUR AKTIF
BAKTERI AEROB !SEHAT"BAKTERI AEROB !SEHAT"
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MODEL ALAT H5 TDS5 DO METER(UJI DI LAPANGAN)
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POMPA BLO%ER
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KEUNTUNGAN DAN KERUGIANPROSES AEROB DAN ANAEROB
PROSES
KEUNTUNGAN KERUGIAN
AEROB - O+*/* IPLC +,+,!7$+$ *%$& "$+&P"$$*$! " %IPLC "/$*%3 ,+$
%/$&+&$!.- P!#$,$*$! /+,+"$&*%3 ,+$ %/$&+&$!.
- P"/+ %/$&+&$!!#6&$! DO5 H $!SI 6$"$ "+*%!.- B%$7$ "$%!$/
"/$*%3 ,$$/.
- P*+#$ "$*" $"+/$/+ ,!#!*"/.
ANAER
OB
&B%$7$ "$%!$/"/$*%3 ,+"$.
&T%$& "/+ %/$&+&$!6& DO.
&P*+#$ "$*" *%$&$"+ /$/+ ,! !*"/.
&O+*/* IPLC L%,$ 6$%"+,+,!7$ ,$% "$+.
&P"$$*$! " %IPLC $#$& +/%*%/$&+&$!.
- P! $,$*$! /+, +"
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LIMBAH CAIR
DENGAN PROSES ANEROB DAN
AEROBPROSES PEMBIBITAN LUMPUR
AKTIF
PADA LIMBAH CAIR.
PROSES AKLIMATISASI BAKTERIPADA LIMBAH CAIR.
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PROSES PEMBIBITAN LUMPURAKTIF
PADA LIMBAH CAIR1.1. P"%$$! $$! ,$6+ ,%&""#$!%,P"%$$! $$! ,$6+ ,%&""#$!%,
$/ :$/ :
$. E!%, (N% $! C).
. N+*"%! (BOD : N : P = 100 : 9 : 1)6. B$$! !*"$/ (N$OH5 H2SO45 K$").
. B$$! &$#+/$! (PAC5T$$5 F2SO45K$"5 P/%,"P/%/&*"/%* //).
. S*$*" ,%&"%$ $" (E3&*%3M%&""#$!%,
EM 4 $*$+ &*"$! $%).
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2. P" $&/%,$*%$% /%,$ 6$%"(P,%%*$! /+,+" $&*%3)
$. L%,$ 6$%" &!%% H !*"$/ (50 ? 59),$+&$! /, $& $"$% $,$% ,!6$$%/+, 29 ? 90 @ " /+, $&.
. T$,$&$! *$*" ,%&"%$ $" 6+&+!7$.
6. H%+&$! ,$ /"+$"$ *&$! (!!
*)5 $,$*% +,/$ S/+# /+, I!< (SI)$*$+ M%< L%+" S+! S/% (MLSS).
. L$&+&$! ,"%&$$! DO5 H /%,$ $!!$,$$! !+*"%! *%$ $"%.
. A,$*% & ,%&"%$ $! $"!$ /%,$ 6$%".
3. A$%/$ SI $$ !%!#&$*$!5 ,$+&$! /%,$6$%" 6$"$ "*$$ $,$% /+, 100 @.
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CIRI ? CIRI SECARA FISIKLUMPUR AKTIF AEROB KONDISI NORMAL
1. A$!7$ "*$ : 3"*%6/$ 7# ,!7$&$!/%,$ 6$%" "$"!$ 6&/$* ,+$.
2. A$!7$ "*$ : 6%/%$*$5 "$"*% &$$" O&%#!*"/$"+* ,!6+&+% (DO 150 ,#/ O2).
. T%$& $!7$& +$+% $"*%!7$ !+*"%% P *&"/%$! ( *"!+%).
4. D%!%!# $/+"$! /%,$ *& $!7$& *+,+
$/#$ $"*%!7$ !+*"%% N $! P *& "/%$!( *"!+%).
9. S/$/+ $$ !%!#&$*$! S/+# /$*%/ I!
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