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- Thermodynamic analysis results show that tellurium can be leached by sulfuric acid leaching method from lead-rich tellurium slag. 热力学分析结果表明:可以采用酸浸方法从高铅碲渣中提取碲。
- leaching by sulfuric acid 琉酸浸出
- In this paper, the method of preparation of amorphous silica from serpentine and bentonite by sulfuric acid leaching in microwave field was investigated. 本文研究了微波辐照作用下,由蛇纹石、膨润土硫酸浸出制备无定形二氧化硅的方法;
- Fractional crystallization of boric acid and kieserite from the liquor of ascharite leached by sulfuric acid 从硼镁矿硫酸分解液中分级结晶硼酸和水镁矾
- The basic situation about 300 kt/a sulfuric acid plant by sulfur burning in Tianhu Chemical (Co.,) Ltd. 介绍江川天湖化工有限公司300kt/a硫磺制酸装置的基本情况;
- The effect of activation porous agent on reaction process of phosphate rock acidulated by sulfuric acid was studied. 用硫酸分解开阳磷矿,研究了活化疏松剂(APA)对该反应过程的影响。
- The POHP doped by sulfuric acid, ferric chloride and hydrochloric acid show good stability. 硫酸、三氯化铁、盐酸掺杂POHP都显示良好的稳定性。
- The effects of temperature, dialogite-to-sulfuric acid ratio, and solid-to-liquid ratio on leaching of dialogite by sulfuric acid were researched in the leaching experiment of ores from Hubei. 通过对湖北矿的浸取试验研究;讨论了温度、矿酸比、固液比对菱锰矿硫酸浸取的影响;优化了浸取条件;并确定温度对浸取的影响最为显著;使浸取率可以达到99.;5%25。
- Fatty acids in the Malania oleifera oil of Yunnan were esterified by sulfuric acid methanol and analyzed by GC MS. 对云南产蒜头果油用硫酸甲醇法酯化,以气相色谱质谱计算机联用仪进行了分析。
- Venus is broiling at 450 degrees Celsius, shrouded by sulfuric acid clouds and a dense carbon dioxide atmosphere nearly 100 times thicker than Earth's. 金星上温度高达450摄氏度,被硫酸云和一层浓密的二氧化碳大气包裹着,这层大气比地球的厚近100倍。
- Research on Leaching Experiment of Dialogite by Sulfuric Acid 菱锰矿硫酸浸取试验的研究
- 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。
- A process on preparation of active zinc oxide from lixiviating the crude zinc oxide powder by sulfuric acid was studied in this paper. 研究了硫酸浸出初级氧化锌粉末制备活性氧化锌的工艺,讨论了浸出过程中液固质量比、硫酸质量分数对浸出率的影响。
- Catalyzed by sulfuric acid, 2 and 5 were converted to the same product (such as 3c) 3 (or 4) when mercaptan (or phenyl-sulfohydrate) was used as the nucleophile. 所得加成产物在酸催化条件下以乙硫醇为亲核体时生成芳基乙基硫醚;
- The process,reaction principle and consumption of raw materials of titanium dioxide production by sulfuric acid method and chloration method are introduced. 介绍了硫酸法、氯化法生产钛白粉的工艺流程、反应原理、原材料消耗,以及该种方法的优、缺点。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- The synthesis methods of nipagin esters catalyzed by sulfuric acid, p- toluene sulfonic acid, ferric sul-fate hydrate, ferric chloride hexahydrate, aluminium chloride hexahydrate, rare earth compound, solid super acid and heteropoly acid were reviewed. 评述了采用硫酸、甲苯磺酸、合硫酸铁、水合三氯化铁、水合三氯化铝、土化合物、体超强酸和杂多酸等催化剂催化合成对羟基苯甲酸酯的方法。
- This paper narrates the effect and the demand of titanium liquid filter aid;and introduces the use of diatom earth filter aid in the manufacture of titanium white by sulfuric acid method. 系统总结了硫酸法钛白工程设计中,酸解、煅烧的尾气治理,废酸浓缩和酸性废水中和处理等项技术及其新的技术应用成果。
- Remove of iron from sulfuric acid leaching solution of ferrochromium alloy by goethite is researched. 研究了用针铁矿法从铬铁合金硫酸浸出溶液中除铁并回收铬。
- With the starting material intermediate titanyl sulfate and meta-titanic acid of titanium white product by sulfuric acid process,the titanium dioxide and iron content have been determined. 以硫酸法钛白粉生产工艺中间体浓钛液(硫酸氧钛)和偏钛酸为原料,分析了浓钛液中二氧化钛和铁的含量。