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时间:2020-09-11
《比能耗与破碎率.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、比能耗与污泥破碎率1.《剩余活性污泥超声破解的特性研究》冯新污泥浓度:总固体(TS)14377+91mg/L,超声体积:500mL超声装置:探头式,频率20kHz,功率500-2000W可调超声过程:将500mL活性污泥置于1000mL烧杯中,超声处理前充分混匀,然后将超声探头浸于污泥液面下10mm处,通过调节作用时间向污泥输入不同的超声能量,以研究最佳超声能量条件。能量梯度:本研究采用0~26000kJ/kgTS的7个超声能量梯度进行污泥破解研究,以研究超声能量对污泥破解效果的影响。比能耗(kJ/kg)SCOD增加量(mg)DDCOD(破解率%)00450045-505.5100050-60
2、6.55000150-170911000400-4051618000550-5752226000710-725262.《超声波在低声能密度下处理污泥的实验研究》吴臣军超声装置:数控超声波清洗槽,40kHz,20w-50w含固率:0.5%TCOD:17500mg/L,起始SCOD:130mg/L,容积:1600mL声能密度比能耗(kJ/kg)SCOD增量(mg)DDCOD(破解率%)0.014w/mL8405121.83%25209123.26%504015525.54%756021927.83%1008023528.40%0.025w/mL15009123.26%450013924.97%90
3、0018726.69%1350025128.97%1800026729.54%0.031w/mL186010723.83%558014725.26%1116020327.26%1674026729.54%2232027529.83%0.035w/mL210012324.40%630018726.69%1260022728.11%18900291210.40%25200307210.97%3.《污泥超声破解反应器工况优化与破解污泥中温厌氧效能分析》超声装置:探头式:20kHz,探头辐射面积为3.14m2,功率:0-1200w槽式:25kHz,功率:50w实验污泥浓度:20g/L实验污泥体积:24
4、0mL比耗能(kJ/kg)SCOD(mg)槽式50W250096600019290002401200043215000648180007922100086424000984270001104300001200探头400W25001926000312900037212000381.6150004321800050421000528240005762700060030000648探头800W25001806000264900031212000324150003361800036021000384240004082700043230000468槽式:modeⅠs50W,30~60min探头式:mod
5、eⅡs400W,2.5~10min;modeⅢs800W,1.25~5min;modeⅣs1200W,0.83~3.33min比耗能(kJ/kg)SCOD(mg)modeⅠs50W,30~60min125005521800074425000840375001200modeⅡs400W2.5~10min;125003242500054037500852500001020modeⅢs800W,1.25~5min;125003122500043237500720500001020modeⅣs1200W,0.83~3.33min125002162500036037500504500006724.The
6、UseofUltrasonicsintheTreatmentofWasteActivatedSludge污泥体积:2.3L比耗能(kJ/kg)COD增量(mg)DDCOD(破解率%)2500230265009205.51650018401024000299016340006670365.ExcesssludgereductionusingultrasonicwavesinbiologicalwastewatertreatmentDDCOD(%)比耗能100w200w300w1040021201818900343028307005042413950053504570100655956686361
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