BIOMASS YIELD IN POROUS CERAMIC CARRIERS FOR MUNICIPAL WASTEWATER TREATMENT

被引：0
作者：
Zielinska, Magdalena [1 ]
Wojnowska-Baryla, Irena [1 ]
机构：
[1] Univ Warmia & Mazury Olsztyn, Dept Environm Biotechnol, PL-10709 Olsztyn, Poland
来源：
ARCHIVES OF ENVIRONMENTAL PROTECTION | 2010年 / 36卷 / 03期
关键词：
Immobilization of activated sludge; wastewater treatment; biomass yield; EXTRACELLULAR POLYMERIC SUBSTANCES; BED BIOFILM REACTOR; SLUDGE PRODUCTION; ACTIVATED-SLUDGE; MEMBRANE BIOREACTORS; SUBMERGED MEMBRANES; AEROBIC TREATMENT; NITROGEN REMOVAL; INERT BIOMASS; SUBSTRATE;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Two different porous ceramic carriers with immobilized activated sludge comprised a stationary filling of the reactors. Municipal wastewater was treated at hydraulic retention times from 15 to 70 mm and internal circulation capacity of 20, 40 and 60 dm(3).h(-1). Depending on hydraulic retention time, the sludge yield ranged from 0.138 to 0.066 g TSS.g COD(-1) in reactor 1 and from 0.175 to 0.107 g TSS.g COD(-1) in reactor II. An increase in volumetric loading rate and internal circulation capacity caused a reduction in sludge yield. A decrease in the sludge yield corresponded to an increase in the ratio of endogenous to substrate respiration by the immobilized biomass.
引用
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页码：15 / 25
页数：11
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