CONTINUOUS PROPAGATION OF KLUYVEROMYCES-FRAGILIS IN CHEESE WHEY FOR POLLUTION POTENTIAL REDUCTION

被引:35
作者
BENHASSAN, RM [1 ]
GHALY, AE [1 ]
机构
[1] TECH UNIV NOVA SCOTIA,HALIFAX B3J 2X4,NS,CANADA
关键词
CONTINUOUS FERMENTATION; CHEESE WHEY; POLLUTION POTENTIAL; COD; SOLIDS; NITROGEN;
D O I
10.1007/BF02788678
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A 25-L working volume, upright cylindrical fermenter made of stainless steel was used to investigate cheese whey yeast fermentation for pollution potential reduction. The effluent total and soluble chemical oxygen demand, total and volatile solids, and total Kjeldahl and ammonium nitrogen concentrations were significantly affected by the hydraulic retention time, air flow rate, and mixing speed. The system removal efficiencies were 15.90-58.61%, 25.20-69.33%, 12.43-49.90%, 9.22-51.77%, 1.66-10.06%, and 54.82-72.22% for total chemical oxygen demand, soluble chemical oxygen demand, total solids, volatile solids, total Kjeldahl nitrogen, and ammonium nitrogen, respectively, depending on the hydraulic retention time, air flow rate, and mixing speed used.
引用
收藏
页码:89 / 105
页数:17
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