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- fuming sulfuric acid oleum 发烟硫酸(油状)
- "It is made industrially by dissolving sulfur trioxide (SO3) in water, sometimes Beyond the saturation point to make oleum (fuming sulfuric acid), used to make certain organic chemicals. 工业上用三氧化硫(SO3)与水反应制备硫酸,如果超越了饱合点则会形成发烟硫酸,可用于制备某些有机试剂。
- 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。
- A new surfactant heavy crude oil sulfonates(HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid. 以大庆黑帝庙稠油为原料,发烟硫酸为磺化剂,合成了稠油磺酸盐。
- It is feasible that fuming sulfuric acid sulfonating technology is substituted by sulfur trioxide sulfonating technology. 用三氧化硫磺化工艺替代发烟硫酸磺化工艺是可行的。
- The results indicated that the proper content of free SO3 in fuming sulfuric acid in ringopening polymerization were about 30%. 实验结果表明开环聚合宜采用30%25浓度的发烟硫酸,通过正交实验得到了聚合反应的最佳条件;
- A fuming sulfuric acid tank commissioned in 1997 in Baling Petrochemical Company have experienced a number leakages at the top of the tank, welds and wall shell. 巴陵分公司一座发烟硫酸储罐于1997年投用,三年多来在罐顶、焊缝及罐壁部位多次穿孔泄漏。
- A novel sulphonate oil-displacement surfactant was made in laboratory using ester and fuming sulfuric acid and by hydrolysis and neutralization technologies. 用发烟浓硫酸对油酯进行磺化,水解、中和后制成了磺酸盐驱油剂。
- 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。
- The synthesis of polyoxytetramethylene glycol by cationic ringopening polymerization of tetrahydrofuran was studied in use of a binary catalyst system of fuming sulfuric acid and cocatalyst B. 对以发烟硫酸为主体的双元催化剂进行四氢呋喃开环聚合制备聚氧四甲撑二醇进行了系统的研究。
- This method has been used for many times and similar operation time and product are obtained as that using the treatment with a mixture of sulfuric acid, nitric acid and fuming sulfuric acid. 经过多次试用,其操作时间和得到的结果,与以前使用的硫酸、硝酸加发烟硫酸的方法基本相同。
- The water soluble dispersant agent, which the backbone was sodium cellulose sulfate and sodium lignin sulfonate, was prepared using cane dregs and fuming sulfuric acid as raw material . 以甘蔗渣、发烟硫酸为原料合成了纤维素硫酸钠和木质素磺酸钠为主的水溶性分散剂,同时测定了其表面活性。
- Main product include Glyoxal (SSGLAM),Dimethyl sulfate,Sulfuric Acid (industrial grade),65%Fuming Sulfuric Acids,Sulfur Trioxide Liquid,Ammonium Bisulfite etc. 上硫化工有限公司--乙二醛,硫酸,硫酸二甲酯,亚硫酸氢铵,65%25发烟硫酸,液体三氧化硫
- "It is made industrially by dissolving sulfur trioxide (SO3) in water, sometimes Beyond the saturation point to make oleum (fuming sulfuric acid), used to make certain organic chemicals. " 工业上用三氧化硫(SO3)与水反应制备硫酸,如果超越了饱合点则会形成发烟硫酸,可用于制备某些有机试剂。
- Corrosion of Fuming Sulfuric Acid Tank and Protection 发烟硫酸储罐的腐蚀与防护
- Keywords fuming sulfuric acid;storage tank;corrosion;welding process;maintenance;protection; 发烟硫酸;储罐;腐蚀;焊接工艺;维修;防护;
- Keywords tetrahydrofuran;polyoxytetramethylene glycol;fuming sulfuric acid;cationic ringopening polymerization; 四氢呋喃;聚氧四甲撑二醇;发烟硫酸;阳离子开环聚合;
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- acrylamidododecanesulfonic acid was synthesized from acrylonitrile, 1-dodecatylene and fuming sulfuric acid and characterized with IR, 1H-NMR and elementary analysis. 以丙烯腈、1-十二烯和发烟硫酸为原料,合成2-丙烯酰胺基十二烷磺酸,藉助红外光谱、核磁共振和元素分析确定产物结构
- 2-acrylamidododecanesulfonic acid was synthesized from acrylonitrile, 1-dodecatylene and fuming sulfuric acid and characterized with IR, 1H-NMR and elementary analysis. 以丙烯腈、1-十二烯和发烟硫酸为原料,合成2-丙烯酰胺基十二烷磺酸,藉助红外光谱、核磁共振和元素分析确定产物结构
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