APLIKASI KONSORSIUM MIKROBA UNTUK MEREMEDIASI TANAH TERKONTAMINASI TIMBAL DARI LIMBAH PROSES DEINKING INDUSTRI KERTAS

Jurnal Selulosa

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Title APLIKASI KONSORSIUM MIKROBA UNTUK MEREMEDIASI TANAH TERKONTAMINASI TIMBAL DARI LIMBAH PROSES DEINKING INDUSTRI KERTAS
 
Creator Septiningrum, Krisna
Hardiani, Henggar
 
Subject
 
Description Lead contaminated soil bioremediation using microbial consortium has been conducted on laboratorioum scale. Four types of lead accumulating bacteria, PG 65-06 (A): PG 97-02 (B): MR 1.12-05 (C) and A1 (D) with a ratio of 1:1:1:1 is used as microbial consortium. The study was conducted in 60 days with microbial inoculum variation of 5%, 10%, 15% (v/w) and the addition of 5% microbial inoculum with rice straw as bulking agents. Observations were conducted every 10 days which concentration of Pb, microbial activity, physico-chemical properties of soil before and after bioremediation as parameters. The addition of microbial consortium was proficient to remediate lead contaminated soil with a higher rate than the addition of 5% microbial inoculum with rice straw, which characterized by decreasing concentrations of soluble-exchangeable lead into residuals lead. The optimal condition occured in 40 days of incubation for addition of microbial inoculum 10% (v/w), and 50 days incubations for addition of 5% microbial inoculum with rice straw. The additions of rice straw enhanced indigenous microbial activity indicated by increasing quantity of soil microbes and CO2 production compared to addition of microbial inoculum. Characteristics of contaminated soil that has been remediated by microbes’ consortium improved because the content of the soil macronutrients and micronutrients in remediated soil was better than previous.Key words : bioremediation, lead, microbes consortium, deinkingABSTRAKBioremediasi tanah yang terkontaminasi timbal (Pb) menggunakan konsorsium mikroba telah dilakukan pada skala laboratorium. Empat jenis bakteri pengakumulasi Pb, PG 65-06 (A): PG 97-02 (B): MR 1.12-05 (C) dan A1 (D) dengan perbandingan 1:1:1:1 digunakan sebagai konsorsium mikroba. Penelitian dilakukan selama 60 hari dengan variasi penambahan inokulum mikroba 5%, 10%, 15% (v/w) dan penambahan inokulum 5%+ jerami padi sebagai bulking agents. Pengamatan dilakukan setiap 10 hari sekali dengan parameter konsentrasi logam Pb, aktivitas mikroba tanah, serta analisis sifat fisika-kimia tanah pada awal dan akhir proses bioremediasi. Penambahan konsorsium mikroba dapat mempercepat proses remediasi logam Pb pada tanah terkontaminasi dibandingkan dengan konsorsium mikroba 5%+jerami, yang ditandai dengan menurunnya konsentrasi logam Pb dari fase tertukarkan menjadi fase residual. Perubahan fase tersebut optimal pada waktu inkubasi 40 hari pada penambahan inokulum 10% (v/w) dan pada waktu inkubasi 50 hari pada penambahan mikroba 5%+jerami.  Penambahan jerami meningkatkan aktivitas mikroba indigenous yang ditunjukkan dengan meningkatnya jumlah mikroba tanah dan produksi CO2 yang dihasilkan dibandingkan penambahan inokulum mikroba. Karakteristik tanah terkontaminasi yang telah diremediasi oleh konsorsium mikroba menjadi lebih baik karena kandungan unsur hara tanah baik makro maupun mikro meningkat dibandingkan sebelum diremediasi.Kata kunci : bioremediasi, Pb, konsorsium mikroba, deinking  
 
Publisher Center for Pulp and Paper
 
Contributor
 
Date 2016-05-12
 
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/24
10.25269/jsel.v1i02.24
 
Source JURNAL SELULOSA; Vol 1, No 02 (2011): JURNAL SELULOSA
2527-6662
2088-7000
 
Language eng
 
Relation http://jurnalselulosa.org/index.php/jselulosa/article/view/24/24
 
Rights Copyright (c) 2016 JURNAL SELULOSA
http://creativecommons.org/licenses/by-nc-sa/4.0
 

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