CHANGES IN THE GAS-PHASE OF COMPOST DURING SOLID-STATE FERMENTATION OF SUGARCANE BAGASSE

被引:10
作者
BACA, MT [1 ]
ESTEBAN, E [1 ]
ALMENDROS, G [1 ]
SANCHEZRAYA, AJ [1 ]
机构
[1] CSIC,CTR CIENCIAS MEDIOAMBIENTALES,E-28006 MADRID,SPAIN
关键词
COMPOST; GAS PHASE; CO2; O2; ETHYLENE; SUGARCANE BAGASSE;
D O I
10.1016/0960-8524(93)90199-L
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
The composition of the gas phase of three types of compost from sugarcane bagasse was monitored by gas chromatography during a 3-month experiment. The changes in the compost atmosphere were reflected by several physical and chemical variations during the thermophilic and mesophilic decomposition periods. The evolution of CO2 in the compost atmosphere (0-3.5 mmol litre-1) paralleled temperature changes, whereas the highest O2 concentrations (10-20%) coincided with the end of the thermophilic phase. The accumulation of ethylene (0.01-0.4 ppm) was not markedly affected by changes in temperature, but mainly reflected the effects of periodic rotation and moistening of the compost pile.
引用
收藏
页码:5 / 8
页数:4
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