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Improvement of biohydrogen production and treatment efficiency on palm oil mill effluent with nutrient supplementation at thermophilic condition using an anaerobic sequencing batch reactor

Paper ID Volume ID Publish Year Pages File Format Full-Text
18639 42731 2007 8 PDF Available
Title
Improvement of biohydrogen production and treatment efficiency on palm oil mill effluent with nutrient supplementation at thermophilic condition using an anaerobic sequencing batch reactor
Abstract

Thermophilic microflora was seeded into an anaerobic sequencing batch reactor for hydrogen production from palm oil mill effluent and supplemented with nitrogen, phosphorus and iron sources for biostimulants. The nutrient supplementation increased the hydrogen production yield from 1.6 ± 0.1 to 2.24 ± 0.03 mol H2 mol−1 hexose and hydrogen production rate from 4.4 ± 0.38 to 6.1 ± 0.03 l H2 l−1 POME d−1. Pollution reduction also increased as follows: COD removal from 35.5 ± 9.8 to 62.2 ± 2.8%, suspended solids removal from 91 ± 3.8 to 93.6 ± 1.1% and oil recovery from 75 ± 3 to 80 ± 1.5%, respectively. The nutrient supplementation strategy increased the bacterial diversity in the reactor and promoted in particular the growth of hydrogen-producing bacteria, e.g. Thermoanaerobacterium thermosaccharolyticum, as assessed by denaturing gradient gel electrophoresis.

Keywords
Biohydrogen; Palm oil mill effluent; Pollution reduction; Nutrient supplementation; Anaerobic sequencing batch reactor
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Improvement of biohydrogen production and treatment efficiency on palm oil mill effluent with nutrient supplementation at thermophilic condition using an anaerobic sequencing batch reactor
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 41, Issue 5, 1 October 2007, Pages 583–590
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us