广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
11期
59-61,85
,共4页
ILs-TiO2%离子液体%苯酚%光催化降解
ILs-TiO2%離子液體%苯酚%光催化降解
ILs-TiO2%리자액체%분분%광최화강해
ILs-TiO2%ionic liquid,phenol%photocatalytic degradation
以低浓度模拟苯酚废水为处理对象,研究了自制ILs-TiO2光催化剂的光催化活性,考察了苯酚废水的初始浓度、光催化剂投加量、紫外光照强度等条件对降解效率的影响,并初步探讨了其反应动力学。结果表明, ILs-TiO2光催化剂对苯酚的光催化降解反应符合一级动力学方程,光催化降解速率随苯酚的初始浓度增加而降低,催化剂的最佳投加量为300 mgTiO2/L,随着光照强度的增加,降解速率增高。
以低濃度模擬苯酚廢水為處理對象,研究瞭自製ILs-TiO2光催化劑的光催化活性,攷察瞭苯酚廢水的初始濃度、光催化劑投加量、紫外光照彊度等條件對降解效率的影響,併初步探討瞭其反應動力學。結果錶明, ILs-TiO2光催化劑對苯酚的光催化降解反應符閤一級動力學方程,光催化降解速率隨苯酚的初始濃度增加而降低,催化劑的最佳投加量為300 mgTiO2/L,隨著光照彊度的增加,降解速率增高。
이저농도모의분분폐수위처리대상,연구료자제ILs-TiO2광최화제적광최화활성,고찰료분분폐수적초시농도、광최화제투가량、자외광조강도등조건대강해효솔적영향,병초보탐토료기반응동역학。결과표명, ILs-TiO2광최화제대분분적광최화강해반응부합일급동역학방정,광최화강해속솔수분분적초시농도증가이강저,최화제적최가투가량위300 mgTiO2/L,수착광조강도적증가,강해속솔증고。
The photocatalytic activities of the home made ILs -TiO2 were investigated by the degradation of phenol solution.The effects of the initial concentration of phenol , the amount of the photocatalyst and the UV light intensity on degradation rate , and the degradation kinetics were studied.The results indicated that the photocatalytic degradation of phenol decomposition reaction followed the rule of first order reaction , the rate of the decomposition was depressed by the higher initial concentration of phenol , the optimal amount of the photocatalyst was 300 mgTiO2/L, and the rate of the decomposition was heightened by the increased of UV light intensity.