工业水处理
工業水處理
공업수처리
Industrial Water Treatment
2015年
11期
48-51
,共4页
再生造纸废水%微电解%预处理
再生造紙廢水%微電解%預處理
재생조지폐수%미전해%예처리
regenerated paper-making water%micro-electrolysis%pretreatment
采用H2O2—微电解/MnO2工艺处理造纸废水,研究了pH、铁炭用量、铁炭比、反应时间、MnO2加入量、H2O2投加量等因素对处理效果的影响.结果表明,pH=3.0,铁炭总投加质量浓度为20 g/L,MnO2投加质量浓度为2.50 g/L,H2O2投加质量浓度为0.55 g/L,铁炭物质的量比为1:1,反应时间为50 min时,造纸废水的COD、SS、氨氮、总磷、BOD5的去除率分别为88%、98.4%、85%、98%、52%.同时可生化性由0.32提高到0.81,减小了后续生化处理工艺负荷.
採用H2O2—微電解/MnO2工藝處理造紙廢水,研究瞭pH、鐵炭用量、鐵炭比、反應時間、MnO2加入量、H2O2投加量等因素對處理效果的影響.結果錶明,pH=3.0,鐵炭總投加質量濃度為20 g/L,MnO2投加質量濃度為2.50 g/L,H2O2投加質量濃度為0.55 g/L,鐵炭物質的量比為1:1,反應時間為50 min時,造紙廢水的COD、SS、氨氮、總燐、BOD5的去除率分彆為88%、98.4%、85%、98%、52%.同時可生化性由0.32提高到0.81,減小瞭後續生化處理工藝負荷.
채용H2O2—미전해/MnO2공예처리조지폐수,연구료pH、철탄용량、철탄비、반응시간、MnO2가입량、H2O2투가량등인소대처리효과적영향.결과표명,pH=3.0,철탄총투가질량농도위20 g/L,MnO2투가질량농도위2.50 g/L,H2O2투가질량농도위0.55 g/L,철탄물질적량비위1:1,반응시간위50 min시,조지폐수적COD、SS、안담、총린、BOD5적거제솔분별위88%、98.4%、85%、98%、52%.동시가생화성유0.32제고도0.81,감소료후속생화처리공예부하.
H2O2-micro-electrolysis/MnO2 process has been used for treating paper-making wastewater.The influences of the factors,such as pH,total iron and carbon,proportion of iron and carbon,reaction time,MnO2 dosage,H2O2 dosage,etc.on the removing effects are studied.The results show that when its pH is 3.0,total iron and carbon 20 g/L,MnO2 dosage 2.50 g/L,H2O2 dosage 0.55 g/L,ratio of iron and carbon 1:1,and reaction time 50 min,the removing rates of COD,SS,ammonia nitrogen,total phosphorous,BOD5,can reach 88%,98.4%,85%,98%,and 52%,respec-tively.The biodegradability is increased from 0.32 to 0.81.As a result,the load of subsequent biochemical treatment process is lightened.
