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1、中国环境科学2010,30(8):1050一1055ChinaEnvlronmentalSeience复合菌利用酱油废液制备生物絮凝剂及其絮凝特性分析任宏洋,王新惠2,3*,刘达玉4(1.西南石油大学化学化工学院,四川成都61050;2.长江师范学院生命科学与技术学院,重庆40810;3.中国科学院成都生物研究所,四川成都610041;4.成都大学食品加工四川省重点实验室,四川成都610106)摘要:利用酱油曲霉(AsPe啥蔺10sojde)和毕赤酵母(Pichiamembran如ctens)复合菌以酱油酿造废液作为培养基生产
2、生物絮凝剂,研究了外加碳源外加氮源培养基的初始pH值以及酱油酿造废液浓度等因素对絮凝剂产量及絮凝剂活性的影响,并考察了所制备絮凝剂的絮凝特性结果表明,酱油酿造废液稀释l倍加入5叭乙醇作为补充碳源,不需添加氮源,调节PH值至5.0左右,培养30h,生物絮凝剂的产量可达到5,2叭.实验制备的生物絮凝剂具有较好的絮凝效果,对高岭土悬浊液的去除率达到983%;对酱油废水酿酒废水生活污水乳品废水等实际废水的浊度的去除率7820/to92.3%,COD去除率为64.2体85.2%.关键词:酱油曲霉;毕赤酵母:酱油废液:生物絮凝剂
3、;中图分类号:X703文献标识码:A文章编号:1000一6923(2010飞08一1050一06ProductionandProPe川esofbio一noceulantbyAsPer舒趾ussojaeand月亡hia跳embra月如俪5cultu邝dinsoysauewaste.RENHong少毗,,认叭Noxin一huiZ,,,LluDa双u4(1.sehoo一rehemistryandehemiealE吧ineering,southwestPetroleumUniversity,Chengdu610500,China
4、;2.CollegeofLifeSeieneeandTechnology,Yang以NormalUniVersity,Chongqing408100,China;3.ChengduInstituteofBiology,ChineseAcademyofseienees,Chengdu610041,China:4.Food一roeessingAPPlieationKeyLaboratoryofSiehuanProvince,ChengduUniversity,Chengdu610106,China).ChinaEJ恻ironment
5、alScienee,2010,30(8):1050一1055Abstraet:TheconditionsofeultivatingAsPergillosojaeandPichiamembran扣ciensinsoysaueewastetoProducebio-floeeulantsandtheflocculationeharacteristiesofthebio一floecul田滋5havebeenstodied.Theefeetsofadditionalearbonsource,additionalnitrogensource
6、,initialPHofeulturemediumandtheeoneentrationofsoysaucewasteontheyieldofbio一floeeulantsweretestedforeultivationeonditionsoPthaiZation.Ethano1(sg/L)wasaddediniosoysaucewastewhiehwasdiluted1time,aseomPlement别甲earbonsourcewithoutadditionalnitrogensource,thePHandeultivati
7、onthaewere5.0and30hresPectively.Theyieldofbio一floceulantswasuPto5.92留L.Bio一floeeulantsmadeinexPerinlenihasgodefectonthewatertreatmeni,theremovalratioofkao1inelaysusPensionwasuPto98.3%,otherwastowatersuchassoysaueewaste,liquorbrewingwaste,theremovalratioofturbidityand
8、CODwas78.2%一92.3%and64.2%一85.2%respeetivelyKeywords:AsPe苍zlussojae;Pichiamembran扣eiens;soysaueewaste;bio一flocculants生物絮凝剂是一类由微生物分泌
