菇渣中纤维素酶活及其在沼气发酵中的作用

THE EFFICIENT PERIOD OF CELLULASE IN MUSHROOM RESIDUES AND ITS EFFECT ON BIO-GAS FERMENTATION

将侧耳属菇渣与其他沼气发酵基质在35℃条件下堆沤10天,菇渣中的纤维素酶活持效期和纤维素有效降解期为1周左右。在堆沤第2,4,6,10天,处理中的纤维素酶活分别比对照提高126％,133％,99％,77％,纤雏素降解率分别提高10.13％。6.54％,1.93％,1.90％。含真菌酶活的菇渣与猪粪等进行沼气发酵13天,产气率和产甲烷率分别比对照提高21.16％和22.16％,有效期为10天左右。

The mushroom residues and bio-gas fermentation substrate were composted for 10 days to compare the treatment of fungi enzyme activity with the control without enzyme activity. The efficient period of cellulase activity and cellulose decomposition was about a week. On the 2th, 4th, 6th and 10th day, the cellulase activity and rate of cellulose decomposition were increased in the treatment respectively by 126%, 133%, 99% and 77% and 10.13%0, 6.54%, 1.93% and 1.90% more than in the control. Mushroom residues and bio-gas fermentation substrate were fermented for 13 days at 35℃, and the rates or producing gas and methane were increased in the treatment respectively by 21.16% and 22.16% more than in the control.