The anaerobic treatment of soft drink wastewater in UASB and hybrid reactors

被引：0
|
作者：
S. V. Kalyuzhnyi
J. Valadez Saucedo
J. Rodriguez Martinez
机构：
[1] Moscow State University,Department of Chemical Enzymology, Chemistry Faculty
[2] Autonomous University of Coahuila,Biotechnology Department, Chemistry Faculty
来源：
Applied Biochemistry and Biotechnology | 1997年 / 66卷
关键词：
UASB reactor; hybrid reactor; soft drink wastewater; performance; alkali shock;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The anaerobic treatment of soft drink wastewater (SDW) was studied in two laboratory reactors—a 1.8-L UASB reactor and a 3-L hybrid reactor-sludge bed containing a layer of polyurethane in the upper part, at 35°C. The highest organic loading rates (OLR) achieved were 13 and 16.5 g COD/L · D for hybrid and UASB reactors, respectively, with the treatment efficiency of about 80% for both reactors. Despite the higher treatment productivity achieved for the UASB reactor, its lower ability to generate a sufficient level of alkalinity led to difficulties in maintaining a stable operation performance. Therefore, the hybrid reactor seems to be indicated for OLR higher than 10 g COD/L · d and HRT lower than 1 D, from the point of view of reliability of these two systems.
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页码：291 / 301
页数：10
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