CAJ | 학술논문

采用L_9(3~4)正交设计在模拟发酵池中研究了辅料配比(秸秆添加量梯度为5%、7.5%、10%)、物料含水量(梯度为40%、50%、60%)、通风量(通风时长为10、20、30min)以及外源菌剂(空白、BN1菌剂、EM菌剂)等因素对猪粪堆肥效果的影响.其中BN1为课题组自制菌剂,在测定了菌种纤维素酶活性的基础上,作为外源菌剂接种猪粪堆肥.通过监测堆肥过程中各处理的温度变化,测定堆肥样品总养分含量、堆肥结束后的C/N,并进行感官分析等对堆肥效果进行加权评分.结果表明,猪粪堆肥最佳环境控制参数为秸秆添加量为5%,通风量为每立方米物料102 m~3·d~(-1),物料含水量60%,自制菌剂BNl能促进猪粪堆肥快速发酵.
채용L_9(3~4)정교설계재모의발효지중연구료보료배비(갈간첨가량제도위5%、7.5%、10%)、물료함수량(제도위40%、50%、60%)、통풍량(통풍시장위10、20、30min)이급외원균제(공백、BN1균제、EM균제)등인소대저분퇴비효과적영향.기중BN1위과제조자제균제,재측정료균충섬유소매활성적기출상,작위외원균제접충저분퇴비.통과감측퇴비과정중각처리적온도변화,측정퇴비양품총양분함량、퇴비결속후적C/N,병진행감관분석등대퇴비효과진행가권평분.결과표명,저분퇴비최가배경공제삼수위갈간첨가량위5%,통풍량위매립방미물료102 m~3·d~(-1),물료함수량60%,자제균제BNl능촉진저분퇴비쾌속발효.
This thesis mainly studied the microbial agents and the optimum control parameters for pig manure composting.BN1 was a micro-organisms agent with mixed microbes:DZ1,DZ2,GX3 and DX2 which were selected by author from piggery wastes in Beijing areas,as well as Coriolus versicolor Quel.and Penicilium chrysogenum Thom.Based on the determination of the cellulase activity of all the microbes which proved to be high,the orthogonal composting test was carried out in simulated fermentation tanks to study the effects of different parameters such as ratio of auxiliary material,aeration rate,initial water content and microbial agents on pig manure composting to optimize the composting process.Straw was chosen as auxiliary material with the addition ratio of 5%,7.5% and 10%.The aeration rates were ranked to 10 min,20 min and 30 min.Meanwhile,the initial water contents were 400%,50%and 60%.Microbial agents were EM and BN1,with non-microbial inoculation as blank control.According to the synthetically analysis of composting effects by weighted mark method involved with the changes of tempera-ture during composting,total nutrient contenk C/N and sensory analysis,the ptimum condition of pig manure composting were obtained as fol-lows:rate of straw addition was 5％,air-flow Was 102 m~3·d~(-1) per cubic meter,water content of compost materials was 60％,and microbe was BN1.