zinc dross meaning in Chinese
锌浮渣
锌灰
锌渣
Examples
- V . experimentation and pilot test of the whole flow of preparation of ultra - fine active zinc oxide by comprehensive utilization of zinc dross have been completed
采用日本岛津产epma - 1600型电子探针对产物超细活性氧化锌的微观结构、粒度和形态进行表征。 - A innovative technology with independent property right of knowledge on preparation of ultra - fine active zinc oxide by comprehensive utilization of zinc dross has been investigated and developed in this paper . the whole flow of preparation of ultra - fine active zinc oxide by comprehensive utilization of zinc dross and pilot test has been completed systemically
本课题研究了从锌浮渣中制备超细活性氧化锌的新工艺，系统地完成了从锌浮渣制备超细活性氧化锌的全流程以及扩大试验研究，试验证明从锌浮渣中制备超细活性氧化锌是可行的。 - Some main results of testing research were as fellows : i . in the course of testing of leaching zinc dross , leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author , the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1 , stirring ratio 250r / min , granularity 120 mesh , the soaking time 5h , the concentration of sulfuric acid of 30 % , and under these conditions , the rate of leaching zinc is above 92 . 0 % . ii . in the course of testing of purification , on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal , the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted
研究的主要结果具体如下： 1 、研究了硫酸浸出锌浮渣并分析了影响浸出率的各种因素，确定了浸出锌浮渣的最佳条件为：液固比为6 ： 1 ，搅拌速度为250r min ，粒度为- 120目，酸浸时间为5 . 0h ，硫酸浓度30 ，锌浮渣的浸出率大于92 . 0 ； 2 、在综合和比较了目前除锰和除铁的各种方法基础上，提出了过硫酸铵氧化除锰方法和选择了针铁矿-氧化水解联合法除铁方法，并分析和讨论了影响除锰率和除铁率等各种因素，确定了除锰的条件为：温度90 ， ph值5 . 4 ，反应时间3h ，过硫酸铵达到理论值的1 . 2倍，除锰率超过99 . 86 ；联合法除铁的条件为：氧化反应时间1 . 5小时、温度控制在90 92 、 ph值5 . 2 5