印染助剂
印染助劑
인염조제
TEXTILE AUXILIARIES
2014年
12期
14-17
,共4页
隋国哲%刘涛%李金龙%佟白
隋國哲%劉濤%李金龍%佟白
수국철%류도%리금룡%동백
溶胶-凝胶法%光催化降解%印染废水%Pr-TiO2
溶膠-凝膠法%光催化降解%印染廢水%Pr-TiO2
용효-응효법%광최화강해%인염폐수%Pr-TiO2
sol-gel method%photocatalytic degradation%dyeing wastewater%Pr-TiO2
采用溶胶-凝胶法制备了Pr-TiO2纳米复合催化剂,并用DRS、FT-IR、XRD和SEM等对样品形态和结构进行了表征,以罗丹明B(RhB)印染废水作为探针反应,分别在紫外光和可见光照射下评价其光催化性能。与TiO2纳米催化剂的光催化活性进行对比,Pr-TiO2纳米复合催化剂对罗丹明B溶液(5 mg/L)具有较高的光催化降解性能,可见光下的降解率达到97%。
採用溶膠-凝膠法製備瞭Pr-TiO2納米複閤催化劑,併用DRS、FT-IR、XRD和SEM等對樣品形態和結構進行瞭錶徵,以囉丹明B(RhB)印染廢水作為探針反應,分彆在紫外光和可見光照射下評價其光催化性能。與TiO2納米催化劑的光催化活性進行對比,Pr-TiO2納米複閤催化劑對囉丹明B溶液(5 mg/L)具有較高的光催化降解性能,可見光下的降解率達到97%。
채용용효-응효법제비료Pr-TiO2납미복합최화제,병용DRS、FT-IR、XRD화SEM등대양품형태화결구진행료표정,이라단명B(RhB)인염폐수작위탐침반응,분별재자외광화가견광조사하평개기광최화성능。여TiO2납미최화제적광최화활성진행대비,Pr-TiO2납미복합최화제대라단명B용액(5 mg/L)구유교고적광최화강해성능,가견광하적강해솔체도97%。
Nanocomposite catalyst of Pr-TiO2 was prepared by sol-gel method, whose morphology and structure were characterized by DRS, FT-IR, XRD and SEM. The photocatalytic activities of Pr-TiO2 nanocom?posites were investigated for the degradation of Rhodamine B (RhB) as a probe dye under the il umination of UV and visible light, respectively. Compared with the photocatalytic activity of TiO2 nanocatalyst, Pr-TiO2 showed higher photodegradation to photodegradation RhB (5 mg/L), and the degradation rate could reach 97%under sunlight radiation.