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Transcript of Phragmites Australis
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http://digilib.its.ac.id
SUMMARY
STUDI KEMAMPUAN TUMBUHAN AIR,REED (Phragmites australis) DAN
CATTAIL (Typha angustifolia),DALAM SISTEM CONSTRUCTED WETLAND
UNTUK MENURUNKAN COD DAN TSS AIR LIMBAH
Created by Mukhlis
Subject : Pembuangan Limbah
Keyword : : Reed ; Cattail ; specific utilization rate ; pertumbuhan.
Description :
Pengolahan air limbah dengan memanfaatkan tumbuhan air, Reed dan Cattail, dalam sistem constructed wetland untuk
penurunan COD {Chemical Oxygen Demand) dan TSS {Total Suspended Solid), merupakan pokok bahasan dalam
penelitian ini. Penelitian ini bertujuan untuk mengkaji laju serapan {specific utilization rate ; SUR), dan
membandingkan kemampuan tumbuhan Cattail dan Reed serta pertumbuhannya.
Penelitian ini dilakukan dalam skala laboratorium, dengan percobaan secara batch, untuk mengkaji laju serapan (SUR)
dengan variasi konsentrasi COD 200 mg/1 dan 400 mg/1 dengan tumbuhan Cattail dan Reed. Percobaan secara kontinyu
dilakukan untuk mengkaji kemampuan tumbuhan untuk menurunkan konsentrasi COD dan TSS, dengan variasi
konsentrasi COD 200 mg/1 dan 400 mg/1 , waktu detensi (td) 1 hari dan 3 hari, dengan tumbuhan Cattail dan Reed.
Berdasarkan hasil penelitian dengan percobaan secara batch, laju serapan Cattail lebih besar, yaitu 11,51 mg/mg/hari
dengan COD 200 mg/1. Sedangkan laju serapan lebih kecil oleh Reed sebesar 3,32 mg/mg/hari pada COD 400 mg/1.
Laju serapan pada konsentrasi COD 200 mg/1 mempunyai perbedaan yang signifikan antara Cattail dengan Reed, tetapi
pada konsentrasi COD 400 mg/1, belum dijumpai perbedaan yang berarti. Pada percobaan secara batch, kemampuan
perubahan konsentrasi COD kombinasi (tumbuhan + media tanam) lebih besar oleh Cattail pada COD 200 mg/1, dengan
tersisa 3,80 mg/1. Sedangkan terkecil oleh Reed pada COD 400 mg/1, dengan tersisa 147,30 mg/1. Hal yang sama jugaterjadi pada perubahan konsentrasi COD real (tumbuhan - media tanam). Pada percobaan secara kontinyu, efisiensi
removal yang lebih besar terjadi pada td 3 hari yang merupakan fungsi waktu. Efisiensi removal COD kombinasi, lebih
besar oleh Cattail sebesar 90,39 % dengan beban COD 200 mg/1. Sedangkan terkecil oleh Reed sebesar 68,27 % dengan
beban COD 400 mg/1. Tetapi efisiensi removal konsentrasi COD real, yang lebih besar, oleh Cattail sebesar 60,58 %
dengan beban COD 400 mg/1, Sedangkan terkecil oleh Reed sebesar 25,00 % dengan beban COD 200 mg/1. Untuk
efisiensi removal konsentrasi TSS kombinasi, lebih besar oleh Cattail sebesar 79,25 % dengan beban COD 400 mg/1.
Sedangkan terkecil oleh Reed sebesar 57,58 % dengan beban COD 200 mg/1. Tetapi efisiensi removal TSS real, lebih
besar oleh Cattail sebesar 57,58 % dengan beban COD 200 mg/1. Sedangkan terkecil oleh Reed sebesar 9,43 % dengan
beban COD 400 mg/1. Pertumbuhan tumbuhan Cattail dan Reed, menunjukkan pertumbuhan yang positif, terhadap
beban konsentrasi COD. Namun pertumbuhan yang lebih baik terjadi pada tumbuhan Cattail pada beban konsentrasi
COD 200 mg/1.
Description Alt:
The main topic of this thesis is wastewater treatment using aquatic plants, reed and cattail, in constructed wetlands, for
Chemical Oxygen Demand (COD) and Total Suspended Solid (TSS) removal. This thesis measured the performance and
growth between cattail and reed.
This research was done in laboratory-scale, with batch experiments to examine the Specific Utilization Rate (SUR) with
the variation of COD concentration (200 mg/L and 400 mg/L) and the types of plant (reed and cattail). Continuous
experiments were done to examine plant ability to reduce COD and TSS concentration, with the variation of COD
concentration (200 mg/L and 400 mg/L), detention time/td (1 day and 3 days), and the types of plant (reed and cattail).
As a result of the batch experiments, it was discovered that the utilization rate of cattail is fester (11.51 mg/mg/day) thanthat of reed-on 200 mg/L of COD concentration. The reed utilization rate is a smaller number, 3.32 mg/mg/day on 400
mg/L COD. At COD concentration of 200 mg/L there is a significant difference between the utilization rate of cattail
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and reed, but not at 400 mg/L COD. From the batch experiments it is found out that the ability to reduce COD
concentration with the combination of plant and planting media is greater if performed by cattail, which succeeded to
reduce COD concentration from 200 mg/L to remaining 3.80 mg/L, while reed performed the highest reduction of 400
mg/L COD concentration to remaining 147.30 mg/L. The same thing occurred for the real reduction of COD
concetration (plant without planting media). The continuous experiments showed that higher removal efficiency took
place on 3 days detention time and is a function of time. The combination removal efficiency is higher when performed
by cattail, 90.39 % on 200 mg/L COD loading, while the lowest (68.27 %) was obtained by reed on COD loading of 400
mg/L. But the real COD removal efficiency was higher when performed by reed (60.58 %) on 400 mg/L COD loading.
The lowest removal efficiency of 25.00 % was performed by reed on 200 mg/L COD loading. For the combinationefficiency of TSS concentration removal, it was higher when performed by cattail, 79.25 % on 400 mg/L COD loading,
while the lowest was by reed, 57.58 % on 200 mg/L COD loading. But the real TSS removal efficiency was higher
(57.58 %) by cattail on 200 mg/1. COD loading, while the lowest (9.43 %) was by reed on 400 mg/L COD loading. The
growth of cattail and reed showed a positive response concerning COD concentration loading. But better growth was
performed by cattail on 200 mg/1 of COD concentration loading.
Contributor : Ir.JB. Widiadi , M.Eng.Sc.
Susi Agustina W., ST.MT.Date Create : 08/01/2007
Type : Text
Format : pdf ; 101 pages
Language : Indonesian
Identifier : ITS-Master-3100005021295
Collection : 3100005021295
Call Number : 628.35 Muk s
Source : Theses Environmental Engineering RTL 628.35 Muk s, 2003
COverage : ITS community
Right : Copyright @2003 by ITS Library. This publication is protected by copyright and permissionshould be obtained from the ITS Library prior to any prohibited reproduction, storage in aretrievel system, or transmission in any form or by any means, electronic, mechanical,photocopying, recording, or likewise. For information regarding permission(s), write to ITSLibrary
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Thank You,
Nur Hasan ( [email protected] )
Supervisor
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