[Characteristics and operation of enhanced continuous bio-hydrogen production reactor using support carrier]

[Characteristics and operation of enhanced continuous bio-hydrogen production reactor using support carrier] Research Abstract Details 

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[Characteristics and operation of enhanced continuous bio-hydrogen production reactor using support carrier] Abstract Text:

Nan-qi Ren,Jing Tang,Man-li Gong,

A kind of granular activated carbon, whose granular size is no more than 2mm and specific gravity is 1.54g/cm3, was used as the support carrier to allow retention of activated sludge within a continuous stirred-tank reactor (CSTR) using molasses wastewater as substrate for bio-hydrogen production. Continuous operation characteristics and operational controlling strategy of the enhanced continuous bio-hydrogen production system were investigated. It was indicated that, support carriers could expand the activity scope of hydrogen production bacteria, make the system fairly stable in response to organic load impact and low pH value (pH <3.8), and maintain high biomass concentration in the reactor at low HRT. The reactor with ethanol-type fermentation achieved an optimal hydrogen production rate of 0.37L/(g x d), while the pH value ranged from 3.8 to 4.4, and the hydrogen content was approximately 40% approximately 57% of biogas. It is effective to inhibit the methanogens by reducing the pH value of the bio-hydrogen production system, consequently accelerate the start-up of the reactor.

[Characteristics and operation of enhanced continuous bio-hydrogen production reactor using support carrier] Publishing Authors By Initials

NQ Ren,J Tang,ML Gong,

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[Characteristics and operation of enhanced continuous bio-hydrogen production reactor using support carrier] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Huan jing ke xue= Huanjing kexue / [bian ji, Zhong

VOLUME: 27

Page Numbers: 1176-80

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ISSN: 0250-3301

DAY: 22

MONTH: Jun

YEAR: 2006

[Characteristics and operation of enhanced continuous bio-hydrogen production reactor using support carrier] Information

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LANGUAGE: chi

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AFFILIATION: School of Municipal and Environmental Engineering, Harbin Institute of Technology, China.

Country: China

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MEDLINETA: Huan Jing Ke Xue

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