钛白废酸循环利用工艺参数的实验研究  

Experimental study on the process parameters of titanium white waste acid cycle

作　　者：钮德明[1] 张贇[1] 陈长远[2] 王节义 

机构地区：[1]广西经济职业学院,广西南宁530105 [2]广西德天化工公司,广西大新532300

出　　处：《大众科技》2015年第10期35-36,共2页Popular Science & Technology

基　　金：广西高校科研项目"硫酸法钛白废酸除杂再制酸工艺的研究"(YB2014581)

摘　　要：确定优化的钛白废酸循环利用工艺参数，以提升钛白废酸循环利用工艺的技术经济性。通过实验，研究了调配酸浓度与硫酸亚铁结晶析出情况及温度的关系、调配酸浓度与过滤难易程度和滤渣游离酸含量的关系，并确定了采用反渗透法浓缩钛白废酸的最高浓度为40％，废酸的操作温度为40℃；一次调配酸浓度为45％～49％，二次调配酸含酸浓度为65％。To determine the optimal process parameters of titanium dioxide using waste acid recycling technology, to enhance the economy by using waste acid recycling process of titanium dioxide. Through the experiment of deployment of acid concentration and ferrous sulfate crystallization conditions and temperature relationship, the deployment of acid concentration and filtration difficulty degree and residue free acid content, and to determine the reverse osmosis method concentrating titanium white waste acid with the highest concentration of 40%, waste acid of operating temperature is 40 DEG C; a deployment of the concentration of acid is 45%-49% and secondary mixing acid containing acid eoncentratinn was 65%

关 键 词：钛白废酸 循环利用 工艺参数 实验研究 

分 类 号：X78[环境科学与工程—环境工程]