广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
11期
6-8,34
,共4页
赵朝成%焦叙来%崔爱玲%刘春爽
趙朝成%焦敘來%崔愛玲%劉春爽
조조성%초서래%최애령%류춘상
光催化氧化%二氧化钛%反渗透浓水
光催化氧化%二氧化鈦%反滲透濃水
광최화양화%이양화태%반삼투농수
photo-catalytic degradation%TiO2%RO concentrated water
以悬浮态TiO2为催化剂,在紫外光下对炼化污水回用装置反渗透浓水进行光催化处理,采用单因素实验,考察了反应时间、 pH值、光照强度、 TiO2投加量、 H2 O2投加量、曝气量对处理效果的影响。结果表明:在反应时间为2 h, pH为4,500 W高压汞灯, TiO2投加量为0.6 g/L, H2 O2投加量为0.8 ml/L,曝气量为0.75 L/min的条件下,反渗透浓水COD的去除率可达93.63%,脱色率可达98.15%。
以懸浮態TiO2為催化劑,在紫外光下對煉化汙水迴用裝置反滲透濃水進行光催化處理,採用單因素實驗,攷察瞭反應時間、 pH值、光照彊度、 TiO2投加量、 H2 O2投加量、曝氣量對處理效果的影響。結果錶明:在反應時間為2 h, pH為4,500 W高壓汞燈, TiO2投加量為0.6 g/L, H2 O2投加量為0.8 ml/L,曝氣量為0.75 L/min的條件下,反滲透濃水COD的去除率可達93.63%,脫色率可達98.15%。
이현부태TiO2위최화제,재자외광하대련화오수회용장치반삼투농수진행광최화처리,채용단인소실험,고찰료반응시간、 pH치、광조강도、 TiO2투가량、 H2 O2투가량、폭기량대처리효과적영향。결과표명:재반응시간위2 h, pH위4,500 W고압홍등, TiO2투가량위0.6 g/L, H2 O2투가량위0.8 ml/L,폭기량위0.75 L/min적조건하,반삼투농수COD적거제솔가체93.63%,탈색솔가체98.15%。
Using suspended TiO 2 , photo-catalysis of concentrated water from wastewater recycling reverse osmosis units was studied under ultraviolet.The different variables affecting the removal efficiency such as reaction time , TiO2 quantity, pH value, UV irradiation intensity, H2O2 quantity and aeration quantity were investigated.The result showed that the removal rates of COD and chromaticity were 93.63% and 98.15%, respectively , under the following optimum conditions of reaction time of 2 h, TiO2 quantity of 0.6 g/L, pH value of 4, irradiation of high-pressure mercury-lamp of 500 W, H2 O2 quantity of 0.8 ml/L and aeration quantity of 0.75 L/min.