废弃钻井泥浆生物处理体系太阳能水循环装置设计及应用效果研究
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2020-03-02 10:16:13
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文章编号:1001-4829(2014)05-2203-04收稿日期:2013-11-29基金项目:四川省科技支撑计划(2010NZ0105)作者简介:刘轶豪(1993-),男,四川雅安人,从事环境微生物学,E-mail:463076378@qq.com,*为通讯作者,E-mail:cqiang@sicau.edu.cn。废弃钻井泥浆生物处理体系太阳能水循环装置设计及应用效果研究刘轶豪1,龚雪飞1,王爽元1,张哲维1,张玉琳1,陈翠平1,刘汉军1,陈章2,陈强1*(1.四川农业大学资源环境学院,四川温江611130;2.四川省农业科学院农业信息与农村经济研究所,四川成都610066)摘要:本文在废弃钻井泥浆生物处理基础上,设计出太阳能水循环装置,并对其效果进行了研究。结果表明,废弃泥浆生物处理体系太阳能水循环装置运行良好。经过120天试验,废弃泥浆生物处理体系渗出液COD从35406mg·L-1降至394mg·L-1,降解率达98.89%,是对照处理的1.33倍;渗出液pH从8.52下降至6.96,色度OD560从2.86降至0.106;同时,渗出液中SO2-4、NO-3和Cl-含量有明显的上升趋势,分别从17050.88,28237.52和528.38mg·L-1上升到48736.73,40537.33和11257.84mg·L-1,分别比对照增加了37.23%、14.61%和48.42%。因此,太阳能水循环装置可显著提高生物处理体系的降解效果。关键词:钻井泥浆;生物处理;太阳能水循环装置;COD中图分类号:S214.9文献标识码:ASolarWaterCirculatingDeviceforBiodegradationSystemofWasteDrillingMudsandItsApplicationEffectsLIUYi-hao1,GONGXue-fei1,WANGShuang-yuan1,ZHANGZhe-wei1,ZHANGYu-lin1,CHENCui-ping1,LIUHan-jun1,CHENZhang2,CHENQiang1*(1.FacultyofResourceandEnvironmentalSciences,SichuanAgriculturalUniversity,SichuanWenjiang611130,China;2.AgriculturalIn-formationandRuralEconomyInstitute,SichuanAcademyofAgriculturalSciences,SichuanChengdu610066,China)Abstract:Atthebasisofthebiodegradationtreatingsystemofwastedrillingmuds,asolarwaterautocirculatingdevicewasdesigned,anditseffectswerestudied.Theresultsshowedthatthesolarwaterautocirculatingdeviceofwastedrillingmudsbiodegradingsystemworkedwell.After120dexperiments,thesoilleachateCODofbiologicalwastemudtreatingsystemdecreasedfrom35406mg·L-1to394mg·L-1,thedegradationratereached98.89%,whichwasas1.33timesascontrol.ThepHofsoilleachatechangedfrom8.52to6.96,andturbidityofsoilleachate(OD560)decreasedfrom2.86to0.106;simultaneously,theconcentrationofSO2-4,NO-3andCl-insoilleachateincreasedfrom17050.88,28237.52and528.38mg·L-1to48736.73,40537.33and11257.84mg·L-1,increasedby37.23%,37.23%and14.61%thanthecontrol,respectively.Theresultssuggestedthatthesolarwaterautocirculatingdevicesignificantlyimprovedthedegradationeffectofbiologicaltreatmentsystem.Keywords:Drillingmud;Biologicaltreatment;Solarwate
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