1) Dearsenic and dechlorine
脱砷和脱氯
2) removal of arsenic
脱砷
1.
A new technology on the removal of arsenic from yellow phosphorus was studied based on the situation of yellow phosphorus purification in Yunnan,and the principle and process was briefly introduced.
利用高压静电场对工业黄磷进行处理,结果显示:在电场的作用下能分离除去砷,经三级处理脱砷率可达90%以上,黄磷回收率在99。
2.
Among acids for washing, namely formic, acetic and citric acid, the last one is most effective for removal of arsenic.
实验结果表明,柠檬酸的脱砷效果强于甲酸和乙酸;砷化物的脱除率随酸洗处理温度的升高和时间的延长而提高;当处理温度高于80℃、处理时间超过2h后,砷化物的脱除率变化不大;失活催化剂先用质量分数为2%的柠檬酸在80℃下处理4h再焙烧除去积碳,其脱砷率可达到27。
3) arsenic removal
脱砷
1.
Processes for arsenic removal from hydrocarbon cracking feedstock and deactivation of the catalyst;
烃类裂解原料脱砷方法及催化剂失活分析
2.
Furthermore,the effects of many factors on the arsenic removal rate were studied with singular factor experiment,such as mass fraction of nitric acid;mass ratio of iron in the oxidation strengthening agent to arsenic in the yellow phosphorous;volume ratio of nitric acid to yellow phosphorus;reaction time and reaction te.
采用水相氧化法,使用硝酸溶液和氧化增强剂进行工业黄磷脱砷试验。
3.
The influence of those factors including leaching time,ratio of solid to liquid,the concentration of reagent A,particle seize of anode slime and leaching temperature,on the arsenic removal were all investigated.
采用一种新的高效碱性脱砷剂A,用全湿法流程对高砷铅阳极泥进行预脱砷;考察了浸出时间、液固比、浸出剂浓度、阳极泥粒度以及浸出温度等对脱砷效果的影响;在最佳脱砷条件下As、Sb、Pb的浸出率分别为96。
4) dearsenization
脱砷
1.
A Novel Technology of Dearsenization and Deantimony from Copper Sulfide Concentrate by H_2O-Air Gas Mixtures;
高砷锑硫化铜精矿脱砷锑新工艺研究
2.
Development and application evaluation of DZAs-2 dearsenization agent
DZAs-2脱砷剂的开发与应用评价
3.
Discussion on Rational Selection of Dearsenization Catalyst for Refinery Mixed C_4 Feedstock
合理选用炼厂混合C_4原料脱砷催化剂的探讨
5) dearsenication
脱砷
1.
Summarization of industrial test for dearsenication of yellow phosphorus;
黄磷脱砷生产技术工业性试验总结
2.
A Study on Dearsenication of Molten Iron and Liquid Steel with Ca-Si Alloy;
钢液和铁水硅钙合金脱砷研究
6) dearsenic
脱砷
1.
Application of 9801 dearsenic agent in ethylene plant;
9801型脱砷剂在乙烯生产中的应用
2.
Study on Dearsenic and Dechlorine Technique of Straight-Run Gasoline from Daqing Crude (Ⅰ)——Experimental Research;
大庆常顶汽油脱砷脱氯工艺技术研究与开发(Ⅰ)——试验研究
3.
To achieve this purpose, the authors have investigated the current technological conditions in delead and dearsenic processing and made detailed analysis of alkalescency solution laden with arsenic and lead content as well as the influential factors involved.
实验结果表明 ,经脱砷和脱铅后 ,Sb以锑精矿形式产出 ,可作为炼锑的原料 ;Pb以 Pb Cl2 或铅渣形式、Sn以锡渣形式产出 ,其品位较高 ,可作 Pb或 Sn冶金的原料 ;该工艺具有化工试剂消耗少、综合利用率高、污染小、易于实现大规模工业化等优
补充资料：盌脱
1.碗坯。《资治通鉴．唐则天后长寿元年》:"春，一月，丁卯，太后引见存抚使所举人，无问贤愚，悉加擢用……时人为之语曰:'补阙连车载，拾遗平斗量，欋推侍御史，碗脱校书郎。'"言授官不加选择，校书郎就像碗毛坯一样粗滥。后用为滥用官吏的典实。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条