INTENSIFICATION OF THE ANAEROBIC MICROBIOLOGICAL DEGRADATION OF SEWAGE SLUDGE UNDER BIO-SULFIDOGENIC CONDITIONS

被引：2
作者：
Plyatsuk, Leonid [1 ]
Chernish, Elizabeth [1 ]
机构：
[1] Sumy State Univ, Fac Tech Syst & Energy Efficient Technol, Dept Appl Ecol, UA-40007 Sumy, Ukraine
来源：
ENVIRONMENT PROTECTION ENGINEERING | 2013年 / 39卷 / 03期
关键词：
WASTE ACTIVATED-SLUDGE; BIODEGRADABILITY; PRETREATMENT; REDUCTION; RECOVERY; SULFATE;
D O I：
10.5277/epe130308
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Possibility of using phosphogypsum as a mineral substrate for the sewage sludge treatment in bio-sulfidogenic conditions has been investigated. Anaerobic microbiological degradation (AMD) on the way of sulfidogenesis was used to produce biogenic hydrogen sulfide. The ozonation of the sludge prior to the AMD under bio-sulfidogenic conditions led to higher efficiencies of hydrogen sulfide production and organic matter removal. After 20 days of digestion, the elimination of CODt and CODs varied between 78-84% and 83-87%, respectively, within advanced operation of anaerobic bioreactor. Technological applications of such system has been discussed.
引用
收藏
页码：101 / 118
页数：18
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