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- CLEAN PRODUCTION PROCESS FOR WHITE OIL SULFURIC ACID REFINING 白油硫酸精制的清洁生产工艺
- sulfuric acid refining 酸洗
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- Petroleum sulfonate was obtained through sulfonation reaction using extract oil from lube oil solvent refining unit as raw material and fuming sulfuric acid as sulfonation agent. 摘要 以减五线馏分油溶剂精制后的抽出油为原料，采用发烟硫酸为磺化剂进行磺化反应制取石油磺酸，进而制取石油磺酸钠。
- 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。
- Refining processes with concentrated sulfuric acid or hydrogen fluoride as catalyst are currently being used for the manufacture of alkylation gasoline from isobutane and light olefins from FCCU. 摘要石油炼制工业一直利用浓硫酸或氢氟酸触媒使异丁烷和来自流体化触媒裂解工场的轻质烯烃反应以制造烷化油。
- 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。
- 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 testing methods for total nitrogen and the denitrogenation technologies such as acid refining,solvent refining were also reviewed. 综述了酸精制、溶剂精制等脱除石油产品中氮及各种总氮的测定方法。
- 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。
- 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...
- 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。
- 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。
- The reaction of magenta and nitrite in sulfuric acid m ed ium was studied. 据此建立了一个简单、快速、选择性好的测定亚硝酸盐氮的新方法。
- Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters. 羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
- Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer. 磷矿在一个预混合槽中与硫酸以及循环回的第一洗涤酸进行混合。
- A new surfactant heavy crude oil sulfonates (HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid. 考察了酸烃比、反应温度、反应时间对磺化反应的影响。
