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IC*450002。。0.08~0.36518.4~725.1L/h。ICCirculatingofICReactorTreatingStraw-washingWastewaterZENGKeZHANGHongchaoLIUShihaoCUIYanpingZhengzhouUniversityZhengzhou450002AbstractTheICreactorisusedtotreatthestraw-washingwaterproducedinapulpingandpapermakingmillinexperi-ment.Theresultshowsthathydrolysis-acidificationprocessismoreappropriatethananaerobicprocesswhentreatingthestraw-washingwater.Duetolowconcentrationoftheorganisminthewastewaterandlessgasproductiontheinnercircu-latorysystemofthereactoronlyproducesdiscontinuousascendingflow.Whentheratioofflowrateandgasproductionrateis0.08-0.36thedownwardpipeproducesintermittentbackflowandbackflowratecanreach518.4-725.1L/h.KeyWordsICreactorstraw-washingwastewaterliftingflowratebackflowratepapermakingwastewater0IC、、1。、、。IC。11.1500L/h1。1IC6700mm6m32。IC。10mm350mm2。10mm150mm2。120mm。1.21。2IC。3COD《》2VFA3。22.1CODICCOD28.14%47.30%51.14%2。*“”2009ZX07210-002-001。·26·IndustrialSafetyandEnvironmentalProtection2015414April2015COD2356mg/LSCOD1508mg/L。、、4COD、。CODICCOD。2.2VFA50~300mg/L5。COD59.4%VFA192~337mg/L。VFA746~1211mg/L192~337mg/L2。COD、VFA。3IC6。、。IC78。2CODVFA3.1。。1。30~83.16L/h56.77L/h8.27~37.84L/h22.24L/h1.53~32.17L/h12.36L/h。1kgCOD0.074m30.35m34。3.2IC1。12h。IC。。112.00~54.55L/h1.20~12.86L/h0.08~0.36。SV3093%~6%。1/L/L/h/153.601.250.24120.900.750.08171.801.000.11254.501.420.1882.250.420.28393.151.500.08315.401.170.17494.951.670.104616.651.330.36649.001.610.14192.250.450.127422.51.750.307918.001.830.23181.350.330.08COD1.90kg/m3·d0·36·0~71~5s。、64.7~93.0L/h1~5/h15~55s。130.0L/h6~12/h90.0~150.0s120mL/s160L/h1.23493L/h0.32。、。。3.3、、。2#。55cm。①②③④0.85m。。、。50min49.6L518.4L/h。39min41.5L646.9L/h35min39.0L725.1L/h。。、、、、、。4COD2356mg/LSCOD1508mg/LICCOD3.34~6.28kg/m3·d。0.08~0.36518.4~725.1L/h。1.ICJ.20073356-9.2.4M.2002368-372.3.M.1998509-511.4.M.200444475.5.ICD.2012.6.ICJ.200220123-25.7.J.201041547-51.8.D.2012.9.J.201142689-93.1963、、、、、、。“”2009ZX07210-002-0014402。2014-03-03·46·
本文标题:IC反应器处理制浆洗草废水的内循环状况曾科
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