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ITS » Master Theses » Teknik Manajemen Lingkungan S2
Posted by anis at 08/01/2007 16:39:04  •  13719 Views


STUDI KEMAMPUAN TUMBUHAN AIRREED PHRAGMITES AUSTRALIS DAN CATTAIL TYPHA ANGUSTIFOLIADALAM SISTEM CONSTRUCTED WETLAND UNTUK MENURUNKAN COD DAN TSS AIR LIMBAH

Author :
Mukhlis 




ABSTRAK

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 mg1 dan 400 mg1 dengan tumbuhan Cattail dan Reed. Percobaan secara kontinyu dilakukan untuk mengkaji kemampuan tumbuhan untuk menurunkan konsentrasi COD dan TSS dengan variasi konsentrasi COD 200 mg1 dan 400 mg1 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 1151 mgmghari dengan COD 200 mg1. Sedangkan laju serapan lebih kecil oleh Reed sebesar 332 mgmghari pada COD 400 mg1. Laju serapan pada konsentrasi COD 200 mg1 mempunyai perbedaan yang signifikan antara Cattail dengan Reed tetapi pada konsentrasi COD 400 mg1 belum dijumpai perbedaan yang berarti. Pada percobaan secara batch kemampuan perubahan konsentrasi COD kombinasi tumbuhan media tanam lebih besar oleh Cattail pada COD 200 mg1 dengan tersisa 380 mg1. Sedangkan terkecil oleh Reed pada COD 400 mg1 dengan tersisa 14730 mg1. Hal yang sama juga terjadi 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 9039 dengan beban COD 200 mg1. Sedangkan terkecil oleh Reed sebesar 6827 dengan beban COD 400 mg1. Tetapi efisiensi removal konsentrasi COD real yang lebih besar oleh Cattail sebesar 6058 dengan beban COD 400 mg1 Sedangkan terkecil oleh Reed sebesar 2500 dengan beban COD 200 mg1. Untuk efisiensi removal konsentrasi TSS kombinasi lebih besar oleh Cattail sebesar 7925 dengan beban COD 400 mg1. Sedangkan terkecil oleh Reed sebesar 5758 dengan beban COD 200 mg1. Tetapi efisiensi removal TSS real lebih besar oleh Cattail sebesar 5758 dengan beban COD 200 mg1. Sedangkan terkecil oleh Reed sebesar 943 dengan beban COD 400 mg1. 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 mg1.


ABSTRACT

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 mgL and 400 mgL 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 mgL and 400 mgL detention timetd 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 mgmgday than that of reed-on 200 mgL of COD concentration. The reed utilization rate is a smaller number 3.32 mgmgday on 400 mgL COD. At COD concentration of 200 mgL there is a significant difference between the utilization rate of cattail and reed but not at 400 mgL 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 mgL to remaining 3.80 mgL while reed performed the highest reduction of 400 mgL COD concentration to remaining 147.30 mgL. 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 mgL COD loading while the lowest 68.27 was obtained by reed on COD loading of 400 mgL. But the real COD removal efficiency was higher when performed by reed 60.58 on 400 mgL COD loading. The lowest removal efficiency of 25.00 was performed by reed on 200 mgL COD loading. For the combination efficiency of TSS concentration removal it was higher when performed by cattail 79.25 on 400 mgL COD loading while the lowest was by reed 57.58 on 200 mgL COD loading. But the real TSS removal efficiency was higher 57.58 by cattail on 200 mg1. COD loading while the lowest 9.43 was by reed on 400 mgL 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 mg1 of COD concentration loading.



KeywordsReed ; Cattail ; specific utilization rate ; pertumbuhan.
 
Subject:  Pembuangan Limbah
Contributor
  1. 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 ID: 3100005021295
Call Number: 628.35 Muk s


Source
Theses Environmental Engineering RTL 628.35 Muk s, 2003

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