Abstract：
:Beet molasses and black strap are two major waste streams of the sugar industry. They both contain high amounts of sucrose, making them suitable substrates for biological hydrogen production. Photofermentation, usually used to convert organic acids to hydrogen, has the potential capacity to effectively use a variety of feed stocks, including sugars. A comparative study on photofermentative biohydrogen production from beet molasses, black strap, and sucrose was conducted. With yields of 10.5 mol H(2)/mol sucrose for beet molasses (1g/l sugar); 8 mol H(2)/mol sucrose for black strap (1g/l sugar) and 14 mol H(2)/mol sucrose for pure sucrose, a one stage photofermentation system appears promising as an alternative to two-stage systems given the potential savings in energy input and operational costs.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Keskin T,Hallenbeck PCdoi
10.1016/j.biortech.2012.02.077subject
Has Abstractpub_date
2012-05-01 00:00:00pages
131-6eissn
0960-8524issn
1873-2976pii
S0960-8524(12)00328-8journal_volume
112pub_type
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