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- Sulfuric acid wash or scrubbing method is adopted as the main crude benzol refining methodology in China that can further produce approximately 50 thousand tons waste acid per year. 我国拥有粗苯加工装置的企业约有40多家,粗苯年加工能力约70万吨,我国粗苯精制工艺大多采用硫酸洗涤法,该工艺年产生废酸约5万吨。
- Keywords Concentrated sulfuric acid Washing off aiv Effective lifetime; 浓硫酸;洗气;有效使用期;
- sulfuric acid washing 硫酸洗涤
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- We define effective lifetime of concentraed sulfuric acid used for washing off air in SO2 continuous sampling system of air pollution. 通过实验，确定了大气污染物SO2连续采样系统中洗气用浓硫酸的有效使用期。
- The effects of particle size of bauxite, sulfuric acid concentration, material ratio, pressure, number of washing times on the aluminium yield were discussed. 当采用适当的矿粉粒度、硫酸浓度、原料配比、反应压力进行生产吋，反应平稳，铝土矿的铝溶出率高。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- A substance, such as sulfuric acid, that removes water. 脱水物质脱去水分的一种物质，如硫酸
- A corrosive solution of sulfur trioxide in sulfuric acid. 发烟硫酸含三氧化硫酸的一种腐蚀性溶液
- Conclusion:The sulfuric acid anthrone method is reasonable. 结论:该法可作为桑叶中多糖的含量测定方法。
- Acid wash baseball cap,100% Cotton twill,Unconstructed,Metal button back.close. 酸洗棒球帽,100%25棉,无前衬,带三明志,金属后闭扣
- The nitrile (II) (28 g) was mixed with 26 ml of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- In this paper,the author states the monitor means to wash close circulative technical system and arsenic of furnace gas in high-interference ion conditions by using sulfuric acid water. 本文叙述了硫酸水洗封闭循环工艺系统液相及其炉气中痕量砷在高干扰离子条件下的监测方法。
- The nitrile (II) (28 g) was mixed with 26 ml.of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- The material are the high quality cold steeling rolling plate, surface processing with degrease, acid washing, phosphating , static spraying plastic. 材料采用优质冷轧钢板，表面处理采用脱脂、酸洗、磷化、静电喷塑。
- Muriatic Acid and cocaine are natural ingredients as well. So is sulfuric acid. 盐酸和古柯碱都也是天然成分，所以硫酸也是...
- Cold coiler is used cold roll strap steel unit and acid washing, anneal, cutting, coating of strap steel. 这类卷取机不仅用来缠卷,有时还用来开卷。
- Two processes with concentrated sulfuric acid recently appeared are reviewed. 对新近出现的两个浓硫酸水解工艺进行述评。
- The deashing of coal was studied under atmo-sphere with alkali treatment followed by acid washing. 考察了碱煤比、反应温度、时间、粒度组成等对两种煤脱灰的影响,并对脱灰机理作了初步分析。
- Estazolam reacts with sulfuric acid to form an intense fluorescent substance. 本文提出了硫酸颜色反应用于艾司唑仑的荧光测定新方法。
