Textile biological sludge treatability and biogas production in UASB reactor under different temperatures

被引：0
|
作者：
Schultz, Junia [1 ]
Pinheiro, Adilson [2 ]
da Silva, Joel Dias [2 ,3 ]
机构：
[1] Univ Fed Rio de Janeiro, Programa Posgrad Biotecnol Vegetal & Bioproc, Rio de Janeiro, RJ, Brazil
[2] Univ Reg Blumenau, Ctr Ciencias Tecnol, Programa Posgrad Engn Ambiental, Blumenau, SC, Brazil
[3] Univ Reg Blumenau, Ctr Ciencias Tecnol, Dept Engn Prod & Design, Blumenau, SC, Brazil
来源：
ENGENHARIA SANITARIA E AMBIENTAL | 2018年 / 23卷 / 01期
关键词：
textile sludge; anaerobic digestion; UASB reactor; biogas; SWINE WASTE-WATER; ANAEROBIC REACTOR; PERFORMANCE; COMMUNITY; RATES;
D O I：
10.1590/S1413-41522018145106
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
The aim of this work was to evaluate the behavior of a laboratory-scale UASB reactor (16 L) in the treatment of textile biological sludge with biogas production, operating at different temperatures - 35 (mesophilic), 45 and 55 degrees C (thermophilic) -, with constant hydraulic retention time of 24 h. The UASB reactor was able to treat the textile sludge, being positively influenced by increasing temperature, with greater removals in thermophilic temperatures and high removal rates of all monitored physical and chemical parameters, chemical oxygen demand (COD) (97% at 45 and 55 degrees C), biochemical oxygen demand (BOD) (95% at 45 degrees C and 94% at 55 degrees C), total phosphorus (P-total) (95% at 45 and 55 degrees C) and total nitrogen (N-total) (94% at 45 and 55 degrees C). As for biogas production and methane concentration, the highest values were observed at 45 degrees C. Based on the results, textile sludge treatability and biogas production in UASB are confirmed, with best performance at 45 degrees C.
引用
收藏
页码：151 / 158
页数：8
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