锌浮渣 meaning in English
zinc dross
zinc scum
Examples
- The optimum conditions of preparation were as fellows : the concentration of zinc sulfate solution of 1 . 8 - 2 . omol / l , the concentration of ammonium bicarbonate solution of 1 . 4 ~ 1 . 6mol / l , the time of ultrasonic radiation of 25 ~ 30min . iv . preparation of active zinc oxide by means of microwave radiation to calcine precursor of basic zinc carbonate firstly , and a mechanism on preparation of ultra - fine active zinc oxide by means of microwave radiation has been investigated emphatically as well as the effects on quality of ultra - fine active zinc oxide have been analyzed and discussed in detail , the time of microwave radiation was 7 ~ 16 min ; comparing microwave radiation calcining with conventional calcining , the calcining time of microwave radiation was one thirty to one twenty , the calcining time shortened hugely , energy consumption saved hugely , the quality of product improved
首次引入超声波辐射制备超细活性氧化锌前驱体碱式碳酸锌新技术，研究了超声波辐射制备前驱体碱式碳酸锌的机理，并分析和讨论了影响前驱体质量的各种因素，确定了最佳的前驱体制备条件为：硫酸锌浓度为1 . 8 2 . 0mol / l ，碳酸氢铵的浓度为1 . 4 1 . 6mol / l ，超声波辐射25 30min ； 4 、首次采用微波加热煅烧前驱体碱式碳酸锌制备超细活性氧化锌的新技术，研究了微波辐射加热煅烧前驱体制备超细活性氧化锌的机理，并分析和讨论了影响活性氧化锌质量的各种因素，确定了最佳的超细活性氧化锌制备条件为：微波加热煅烧时间为7 16min ，与传统煅烧方法相比，煅烧时间仅为传统的1 30 1 20 ，大大缩短煅烧时间，节省能耗，提高了煅烧产品的质量； 5 、完成了从锌浮渣中制备超细活性氧化锌的小试试验和扩大试验。 - 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