摘要
以高炉矿渣为原料,经酸、碱浸提得富钙钛矿型高炉矿渣,通过X射线荧光光谱(XRF)、X射线衍射(XRD)、扫描电子显微镜(SEM)对其组分、物相、形貌进行了表征。以甲基橙为降解物研究了投加量、溶液pH值及降解时间对富钙钛矿型高炉矿渣光催化性能的影响。实验结果表明,催化剂用量为0.5 g·L~(-1),溶液pH值为3、经紫外-可见光照5 h后,其光催化降解率可达到97.06%。
The rich perovskite-type blast furnace slag was extracted from blast furnace slag by acid and alkali leaching. The composition phase and morphology of the blast furnace slag were analyzed by X-ray fluorescence spectroscopy( XRF),X-ray diffraction( XRD) and scanning electron microscopy( SEM). The effect of catalyst dosage,pH value and time on photocatalytic properties of perovskite-rich blast furnace slag were studied using methyl orange as degradation material. The results show that when the amount of catalyst was 0. 5 g ·L~(-1) and the pH value of methyl orange solution was 3,the degradation rate could reach 97. 06 after 5 h of UV-Vis irradiation.
引文
[1]龙跃,杜培培,张良进,等.高炉熔渣直接纤维化矿渣棉的性能研究[J].钢铁钒钛,2016,37(2):78-83.
[2]张春霞,王海风,张寿荣,等.中国钢铁工业绿色发展工程科技战略及对策[J].钢铁,2015,50(10):1-7.
[3]张贤明,曾亚,陈凌,等.高炉钛渣综合利用研究现状及展望[J].环境工程,2015,33(12):100-104.
[4]周婷,林健.工业及生活废渣制备彩色微晶玻璃的研究[J].材料导报,2011,25(21):66-70.
[5]马旭明,倪文,刘轩.钢渣粉性能优化及制备无熟料混凝土的试验研究[J].材料导报,2016,30(8):135-140.
[6]张文元,刘顺,盛可银,等.施肥对毛竹地上器官NPK含量及养分积累的影响[J].安徽农业大学学报,2015,42(5):749-755.
[7]黄丹,王功勋,卢胜男,等.水热条件下陶瓷抛光砖粉的水化活性[J].硅酸盐通报,2016,(2):561-567.
[8]黄弘,唐明亮,沈晓冬,等.工业废渣资源化及其可持续发展(Ⅰ)——典型工业废渣的物性和利用现状[J].材料导报,2006,20(S1):450-454.
[9]郝洪顺,徐利华,张作顺,等.高炉矿渣二次资源合成绿色无机材料的研究进展[J].材料导报,2010,24(21):97-100.
[10]HAN C,YANG H,XUE X.Kinetics of photocatalytic degradation of methylene blue over Ca Ti O3[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.2015,30(5):1103-1107.
[11]WANG H,YANG H,XUE X X,et al.Antibacterial properties of V-doped titanium-bearing blast furnace slag prepared at different calcination temperatures[J].The Chinese Journal of Process Engineering,2010,10(5):1025-1029.
[12]张耀君,杨梦阳,康乐,等.石墨烯-矿渣基导电功能复合材料制备及在污水处理应用:中国,104646041 A[P],2015-05-27.
[13]赵娜,杨合,薛向欣,等.高钛渣作为光催化材料降解邻硝基酚的实验研究[J].硅酸盐学报,2005,33(2):202-205.
[14]赵忠敏,严云,胡志华.含钛高炉渣制备钛硅铝复合溶胶及其性能研究[J].武汉理工大学学报,2011,(3):50-53.
[15]韩冲,杨合,薛向欣.固相合成钛酸钙的光催化性能[J].环境化学,2010,29(5):831-834.
[16]肖娟,张浩力.新型有机-无机杂化钙钛矿发光材料的研究进展[J].物理化学学报,2016,32(8):1894-1912.
[17]王娜娜,司俊杰,金一政,等.可溶液加工的有机-无机杂化钙钛矿:超越光伏应用的“梦幻”材料[J].化学学报,2015,73(3):171-178.
[18]DUMBRAVA A,BERGER D,PRODAN G,et al.The influence of Triton X-100 surfactant on the morphology and properties of zinc sulfide nanoparticles for applications in azo dyes degradation[J].Materials Chemistry and Physics,2017,193:316-328.
[19]邓积光,王国志,张玉娟,等.钙钛矿型氧化物的制备与光催化性能研究进展[C].全国稀土催化学术会议,2006:80-93.
[20]王培义,高巧欢,徐甲强.纳米过氧化锌的光催化性能研究[J].精细化工,2007,24(5):436-439.
[21]李艳,鲁安怀,王长秋.天然闪锌矿可见光催化还原甲基橙的实验研究[J].矿物岩石地球化学通报,2006,25(4):304-308.
[22]李爱昌,李桂花,郑琰,等.(Ni-Mo)/Ti O2纳米薄膜光催化降解刚果红的性能与机理[J].物理化学学报,2012,28(2):457-464.
[23]李艳,鲁安怀,王长秋.天然含铁闪锌矿的可见光催化还原活性研究[J].岩石矿物学杂志,2007,26(6):481-486.
[24]ZHANG N,YANG M Q,LIU S,et al.Waltzing with the versatile platform of graphene to synthesize composite photocatalysts[J].Chemical Reviews,2015,115(18):10307-10378.
[25]陆玲玮,孙小琴,汪亚威,等.钛基钙钛矿型光催化材料的研究进展[J].应用化学,2017,34(11):1221-1239.
[26]张俊颉,吴敏,秦艳涛,等.交流阻抗法研究四羧基酞菁锌掺杂的二氧化钛半导体电极[J].物理化学学报,2008,24(1):79-84.
[27]井立强,辛柏福,王德军,等.Zn O和Ti O2纳米粒子的光致发光性能及其与光催化活性的关系[J].高等学校化学学报,2005,26(1):111-115.