Olive-mill wastewater composting: Microbiological aspects

被引：0
|
作者：
Galli, E. [1 ]
Pasetti, L. [1 ]
Fiorelli, F. [1 ]
Tomati, U. [1 ]
机构：
[1] Ist. Biochim. Ecofisiologia Vegetali, Consiglio Nazionale Delle Ricerche, Area Ric. Roma, V. Salaria km 29.300, 00016 Monterotondo Scalo (Roma), Italy
来源：
Waste Management and Research | 1997年 / 15卷 / 03期
关键词：
Composting - Enzymes - Hydrolysis - Industrial wastes - Lignin - Microbiology - Microorganisms - Oxygen - Phenols;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Oxygen consumption, microbial growth, lignin and phenol degradation, urease, protease and nitrogenase activity were determined during the composting of an olive-mill wastewaters (OMW)-wheat straw mixture. Oxygen consumption, microbial growth and urease activity were greatly enhanced during the thermophilic phase, reaching their maximum in about three weeks. Casein-hydrolysing protease showed a high initial activity which sharply decreased after 2 weeks. At the end of the thermophilic phase both phenols and lignin were reduced by about 70%. Composting enhanced diazotrophic microflora as indicated by nitrogenase activity which increased at the end of the thermophilic phase.
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页码：323 / 330
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