DEGRADATION OF CHLORINATED AROMATICS BY FENTON OXIDATION AND METHANOGENIC DIGESTER SLUDGE

被引:52
作者
KOYAMA, O
KAMAGATA, Y
NAKAMURA, K
机构
[1] AGCY IND SCI & TECHNOL,NATL INST BIOSCI & HUMAN TECHNOL,TSUKUBA,IBARAKI 305,JAPAN
[2] KANKYO ENGN CORP,CHIBA 29911,JAPAN
关键词
FENTON OXIDATION; CHLORINATED AROMATICS; OXALATE; FORMATE; OXALOBACTER; METHANOGENIC SLUDGE;
D O I
10.1016/0043-1354(94)90096-5
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Chlorinated aromatic compounds were oxidatively degraded by Fenton reaction (a chemical oxidation by H2O2 in the presence of Fe2+ as catalyst). The breakdown products, mainly consisting of formate and oxalate, were readily converted to methane by methanogenic digester sludge without any acclimation with the products. This process was quite effective for decomposition of chlorobenzoates, chlorophenols, dichlorophenols and p-chlorobiphenyl. The methanogenic degradation of oxalate was found to be responsible for Oxalobacter formigenes and Methanobacterium-like methanogens in the digester sludge.
引用
收藏
页码:895 / 899
页数:5
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