DISINTEGRASI DINDING SEL MIKROBA LUMPUR BIOLOGI INSTALASI PENGOLAHAN AIR LIMBAH INDUSTRI KERTAS SECARA TERMO-ALKALI DAN SONIKASI (Microbial Cell Wall Disintegration of Biological Sludge from Paper Industry Wastewater Treatment Plant using Thermo - Alkaline and Sonication)

Jurnal Selulosa

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Title DISINTEGRASI DINDING SEL MIKROBA LUMPUR BIOLOGI INSTALASI PENGOLAHAN AIR LIMBAH INDUSTRI KERTAS SECARA TERMO-ALKALI DAN SONIKASI (Microbial Cell Wall Disintegration of Biological Sludge from Paper Industry Wastewater Treatment Plant using Thermo - Alkaline and Sonication)
 
Creator Saepulloh, Saepulloh
Soetopo, Rina Susilowati
Septiningrum, Krisna
 
Subject
 
Description Waste Water Treatment Plant (WWTP) of paper mills generates biological sludge containing organic compounds such as microbial biomass in the range of 60-90%. The sludge is voluminous and difficult dewatered causing problems during handling and utilization. Microbial cell wall disintegration using thermo-alkaline and sonication disrupt microbial cell walls so sludge handling and utilization is easier for further use. Cell wall disruption of biological sludge pre-treatment using thermo-alkaline, sonication  and  combination  of  both  treatments  has  been  conducted.  Thermo-alkaline  treatment  was carried out for 24 hours with temperature variations (20oC, 37oC, 50oC) and pH (9, 10, 11); sonication treatment  was  performed  at  high  frequency  (30  ±  10  kHz)  with  a  variation  of  time  (15,  30,  and  45 minutes), and the combination of both treatments was performed at the optimum conditions respectively. The effectiveness of treatment was evaluated based on the increase of soluble COD (CODf) and ratio of CODf /CODT with univariate statistical test (SPSS 16.0). The results showed that the thermo-alkaline treatment is more effective than sonication and combination treatment. The best condition was obtained when sludge treated with thermo-alkaline treatment at pH 10 and temperature 37°C, CODf was increased 439.91%, with ratio of CODf/CODT 0,128.Keywords: biological sludge, cell disintegration, thermo-alkaline, sonication, CODfABSTRAKInstalasi Pengolahan Air Limbah (IPAL) industri kertas menghasilkan lumpur biologi yang mengandung senyawa organik berupa biomassa mikroba berkisar 60-90%. Lumpur tersebut bersifat voluminousdan sulit dihilangkan airnya sehingga menimbulkan masalah pada penanganan dan pemanfaatannya. Perlakuan termo-alkali dan sonikasi merupakan metode disintegrasi sel terhadap lumpur biologi yang dilakukan untuk memecah dinding sel mikroba sehingga dapat lebih mudah dalam penanganan dan pemanfaatan selanjutnya. Penelitian termo-alkali, sonikasi, dan gabungannya terhadap lumpur biologi telah dilakukan. Perlakuan termo-alkali dilakukan selama 24 jam dengan variasi suhu (20oC, 37oC, 50oC) dan pH (9, 10, 11); perlakuan sonikasi dilakukan pada frekuensi tinggi (30 ± 10 kHz) dengan variasi waktu (15, 30, dan 45 menit), dan perlakuan gabungan termoalkali dan sonikasi dilakukan pada kondisi optimum masing-masing. Efektivitas perlakuan dievalusi berdasarkan peningkatan COD terlarut (CODf) dan rasio CODf /CODT dengan uji statistik univariate(SPSS 16.0). Hasil percobaan menunjukkan bahwa perlakuan termo-alkali lebih efektif dibandingkan dengan perlakuan sonikasi dan gabungannya. Kondisi terbaik perlakuan termo-alkali adalah pada pH 10 dan suhu 37oC dengan peningkatan CODf 439,91% dengan rasio CODf /CODT 0,128.Kata kunci : Lumpur biologi, disintegrasi sel, termo-alkali, sonikasi, CODf
 
Publisher Center for Pulp and Paper
 
Contributor Alfi Rodiansyah, UIN Sunan Gunung Djati
Srihartini, Setiananingsih, Dedi Sofyan, dan Juliana Sibarani, Balai Besar Pulp dan Kertas
 
Date 2016-06-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://jurnalselulosa.org/index.php/jselulosa/article/view/63
10.25269/jsel.v6i01.63
 
Source JURNAL SELULOSA; Vol 6, No 01 (2016): JURNAL SELULOSA
2527-6662
2088-7000
 
Language eng
 
Relation http://jurnalselulosa.org/index.php/jselulosa/article/view/63/82
 
Rights Copyright (c) 2016 JURNAL SELULOSA
http://creativecommons.org/licenses/by-nc-sa/4.0
 

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