SLUDGE AS AN AGENT IMPROVING SOIL PROPERTIES

被引：4

作者：

Bartkowska, Izabela ^{[1
]}

机构：

[1] Bialystok Tech Univ, Chair Environm Engn Syst, Ul Wiejska 45 A, PL-15351 Bialystok, Poland

来源：

JOURNAL OF ECOLOGICAL ENGINEERING | 2013年 / 14卷 / 02期

关键词：

sludge; digestion of sludge; sanitation of sludge; natural utilization of sludge; agent improving the properties of sludge;

D O I：

10.5604/2081139X.1043186

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Sewage-treatment plants generate sludge which needs to be neutralized for legal, esthetical, and practical reasons. Economical and ecological concerns indicate that sludge, as long as it is possible, should be returned to the natural environment. The article presents the process of autothermal thermophilic aerobic digestion (ATAD) as a measure to produce biomass, which can be naturally utilized. The description of theoretical principles of the process in question is accompanied by presentation of an ATAD installation which has been functioning since 2009 at the municipal sewage-treatment plant in Olecko. Results of microbiological and chemical tests carried out in the years 2010-2012 have been analyzed. Examinations embraced sludge which was the final product of the aforementioned sewage-treatment plant.

引用

页码：63 / 67

页数：5

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