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达禹环境-业界资讯 当前位置: 达禹环境 > 业界资讯 > 畜禽粪污厌氧沼气池沼液自然处理模式技术的研究与应用现状
畜禽粪污厌氧沼气池沼液自然处理模式技术的研究与应用现状
时间 : 2019-09-07 浏览量 : 14

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彩经网1.1.1WENDINGTANG(YANGHUATANG)

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人工湿地处理系统在沼气池厌氧消化液的处理过程中表现出很大的优越性,因为该系统可以实现废水中的氮、磷、悬浮物以及有机物的同时去除。Le14等进行了潜流人工湿地( SSFCW)处理猪场废水沼气池厌氧发酵出水的研究,结果表明:SS,COD,TN,TP的平均去除率分别为96%~99%,7%~84%,10%24%,47%~59%。 De Los reyes等开展了表面流(FWS)人工湿地处理猪场废水沼气池厌氧消化液的氮行为研究,结果表明在进水氮负荷为2.0~30.2kgTN ha d范围时,TN的平均去除率为54.8%,最大去除率能达到71.7%。

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Liu2)等比较了人工湿地和氧化塘处理某规模  化养猪场沼气池彩经网厌氧消化液的效果(见表1)。其中,人工  湿地对沼气池厌氧消化液中COD,TP,NHN的去除率分  别为17%54%,32%-45%,27%-8%,而氧化塘对COD,TP,NHN的去除率分别为25%  5%,31%-56%,56%-98%;同时,人工湿地对COD,TP,NH;-N的去除负荷分别为0.25-4.33,0.01-0.110.34-2.54g·m-2d,而氧化塘对COD,TP,NH+N的去除负荷分别为0.25-4.45,0.02-0.13,0.72~2.87gm2d。从处理效果考察,氧化塘去除NHN和TP的效果要明显好于人工湿地;对于去除COD,氧化塘比人工湿地效果稍好一些,但没有明显差别。另外,从经济适用性考察,氧化塘的运行成本为0.1-0.2元m2,建设成本为200-500元m3,而人工湿地的操作成本为0.22-0.66元·m2,建设成本700-1000元·m-3因此氧化塘比人工湿地节省投资。  综上,不同的自然处理系统针对同一废水都各  有优势,而且在水力负荷、有机负荷、投资费用上也  有很大的区别。为了应对不同畜禽养殖废水的差异  化和当地气候环境以及其他条件的差异化,工程应  用中通常将不同类型的自然处理工艺进行组合优  化。实践应用中,常在人工湿地系统中设置好氧稳  定塘来增加废水中氧的浓度,从而提高人工湿地的  硝化效率,主要原因是稳定塘的复氧效果要比人工湿地好。


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彩经网1、3WOGUOZHAOQICHIYANYANGXIAOHUAYEZIRANCHULIGONGCHENGYINGYONGYUNXINGXIAOGUO  BIAO2LIECHULECAIYONGZHAOQI(ZHAOQICHIYANYANG)-ZIRANCHULIMOSHICHU  LIGUIMOHUAYANGZHICHANGFENWUDECHULIXIAOGUOYIJIYUZHIXINGDE《CHU  QINYANGZHIYEWURANWUPAIFANGBIAOZHUN》(GB18596-2001)DEDUIBIJIEGUO。CICIDIAOYANKAOCHADE97GEGUIMOHUAYANGZHICHANGFENWUCHU


沼气工程彩经网,遍布辽宁、河北、甘肃、河南、安徽、湖  北、山东、江西、淅江、上海、四川、重庆、广东、广西、  福建等15个省(市)。根据调研结果,共有22个沼  气工程在沼气池厌氧消化后采用自然处理模式处理沼气池厌氧消  化液,自然处理模式的使用率为22.7%。而在采用  自然处理模式处理沼气池厌氧消化液的这22个工程项目  中均建设有氧化塘,建设有人工湿地的为9处,建设有人工砂滤系统的仅1处。


ZAIZHEI22GEZIRANCHULIGONGCHENGZHONG,YOU12GEGONGCHENGDUICHULIHOUDEWURANWUZHIBIAOJINXINGLECESHIFENXI,CHULIXIAOGUOJIANBIAO2。ZAICESHIDE12GEGONGCHENGZHONG,CHULIHOUDEZHAOQICHIYANYANGXIAOHUAYEWURANWUZHIBIAOQUANBUDADAO《CHUQINYANGZHIYEWURANWUPAIFANGBIAOZHUN》(GB18596-2001)DEYOU8CHU,DABIAOLVWEI66.7%。ZAISHENGYU4CHUZHAOQICHIYANYANGXIAOHUAYECHULIWEIDABIAODEGONGCHENGZHONG,YOU2CHUSHICOD,NH2NJUNBUDABIAO,1CHUSHICODDABIAOERNH3-NWEIDABIAO,1CHUSHINH2NDABIAOERCODWEIDABIAO,QIZHONGNH3-NCHAOBIAOJIAODUO。12GEGONGCHENGDECHUSHUISSHEBOD5JUNDADAOLEPAIFANGBIAOZHUN。


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ZHAIZI《ZHONGGUOZHAOQI》2018DI5QI ZHENGDAN WANGFANG FUJING WUGAOHUI LIUYI WANGLAN ZHANGYUNHONG DENGLIANGWEI


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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!


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