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达禹环境-环保百科 当前位置: 达禹环境 > 环保百科 > 纤维素酶预处理对木糖渣黑膜沼气池发酵性能的影响
纤维素酶预处理对木糖渣黑膜沼气池发酵性能的影响
时间 : 2019-06-15 浏览量 : 32

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1.2试验装置  自行设计的试验装置,由恒温加热磁力搅拌器  厌氧发酵彩经网瓶、集气瓶、集水瓶等部分组成,厌氧发酵  装置为1000mL广口试剂瓶,集气装置由5L集气  瓶(饱和食盐水),5L集水计量瓶组成,用于收集产  装置示意图如图1所示。


彩经网1.3SHIYANSHEJI  MUTANGZHA:LIANGGANHOUBAOCUNBEIYONG。MUTANGZHAZUFEN:SHUIFEN  15.03%,XIANWEISU53.12%,MUZHISU18.75%,BANXIANWEISU1.38%,BENCHUNCHOUCHUWU7.7%,HUIFEN6.03%。

木糖渣酶解预处理:分别称取21g晾干后的木糖渣于5个500mL的不同三角瓶中,加入278mL水和6mLpH值4.5的乙酸乙酸钠缓冲液,使单瓶混合液体重量为300g左右。浸泡2h,调节pH值至4.8,按10,20,30,40,50,60FPU·g1添加量分别  加入纤维素酶,搅匀后用塑料薄膜封口,50℃水浴,  10min2条件下反应48h,酶解液100mim  离心5min,取上清液,测定还原糖的浓度。每10h取样分析还原糖。试验重复3次。  红泥膜沼气池发酵试验:试验分为试验组和对照组。试验组  加充分混匀的酶解后木糖渣酶解液300g,活性污泥  400g,总体系700g;对照组取不经纤维素酶处理木  糖渣液300g,活性污泥400g,总体系为700g。其


他条件均相同,将试验组和对照组分别在温度为57.5℃,搅拌转速为100rmin条件下厌氧红泥膜彩经网沼气池发酵培  养并进行沼气收集,培养持续时间为20天。每天定  点观察气体产量、取样分析沼气气体成分,红泥膜沼气池发酵开始前和红泥膜沼气池发酵结束后分别测定Ts,vs,pH值。

1.4CESHIXIANGMUJIFANGFA  ZONGGUXINGWUHANLIANG(TS)CEDING:105℃GANZAOHENGZHONGFA6  HUIFAXINGGUXINGWUHANLIANG(VS)CEDING:ZHUOSHAOHENGZHONGFA

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山东达禹环境工程有限公司已在沼气工程领域深耕十年,有着丰富的行业经验,生产各种沼气设备,承接大中小各种规模的沼气工程,承建黑膜沼气池、红泥膜沼气池等各种软体沼气池及双膜气柜、集雨窑等,同时生产加工各类液袋水囊、桥梁预压水袋、森林消防水袋、可拆卸游泳池彩经网等,欢迎新老客户洽谈合作,共谋发展!