安徽农业科学2019，Vol.47Issue(2)：202-204,3.DOI:10.3969/j.issn.0517-6611.2019.02.062
猪场粪水抑菌毒性的消除研究
Effect of Sodium Thiosulfate on Alleviating Biogas Fermentation Inhibitory of Swine Manure
摘要
Abstract
[Objective]The aim was to study the elimination of bacteriostasis toxicity of liquid manure in pig farms. [Method]The fecal slurry collected from pig farms that could not ferment normally was investigated. After sterilization, it was used to suspend and dilute Escherichia coli suspension and checked by method of plate counting. The effects of sodium thiosulfate and Magnesium Sulfate as neutralizer on alleviating the toxin were investigated as well. [Result] Survival rate of Escherichia coli in liquid manure was only 1.35％±0.02％, survival rate increased to 17.4％±0.14％ when the concentration of Na2S2O3 was 0.4％ after adding Na2S2O3. Survival rate of Escherichia coli was 0.14％±0.01％ when the concentration of Na2S2O3 was over 1.2％. Survival rate was 17.4％±0.85％ after adding 0.2％MgSO4 and 2％Na2S2O3;MgSO4 was beneficial to reduce toxicity;after laying up for more than 2 months, fecal slurry almost completely lost the antibacterial effect. [Conclusion]The study has positive meaning for solving biogas fermentation inhibition caused by the residue of disinfectant.关键词
猪场/消毒剂/沼液/硫代硫酸钠Key words
Digesters/Disinfectants/Biogas slurry/Sodium thiosulfate分类
农业科技引用本文复制引用
李长秀,韦明肯,刘国标..猪场粪水抑菌毒性的消除研究[J].安徽农业科学,2019,47(2):202-204,3.基金项目
广东省自然科学基金项目(2014A030313776) （2014A030313776）
广东高校人才引进项目 （）
广东高校高层次人才项目 （）
广东石油化工学院人才引进项目 （）
