硫酸烷基化装置副产的废硫酸黏稠、杂质多,必须对其加以处理,进行综合利用。
The by-product waste sulfuric acid from sulfuric acid alkylation is viscous and contains many impurities, it must be treated for comprehensive utilization.
此种方法合成四氯苯酐具有产品产率高、质量好、成本低且不产生大量废硫酸的优点。
This process had some advantages, such as high yield, high product quality, low cost and no large amounts of waste sulfuric acid.
硫酸法钛白生产中产生大量高浓度的废硫酸,必须治理,否则将对环境造成巨大污染。
A large quantity of waste acid is discharged from titanium dioxide production by sulfuric acid method that must be treated for preventing the environment.
本发明提供了一种在低温条件下,采用硫酸铵回收硬质阳极氧化过程中废硫酸的新方法。
The invention provides a novel method for recycling waste sulfuric acid in the oxidation process of hard anode using ammonium sulfate at low temperature.
所余废硫酸再经过水蒸气蒸馏处理使其中三氯乙醛含量降低到一定标准后可用于农肥生产。
The remained waste sulfuric acid was vapor distilled to reduce the chloral content so that it could be utilized in fertilizers product.
实验表明,将废渣配成10%浓度的浆液与低浓度废硫酸进行反应,可制造含量达90%以上的优质二水石膏。
The result showed that if the waste slag compose of 10% fluid and react with low concentrated sulfuric acid, 90% dihydrate plaster would be prepared.
将含三氯乙醛废硫酸加水稀释后,不需预热,直接向废硫酸中通入水蒸汽进行蒸馏的方法处理含三氯乙醛废硫酸。
The waste sulfuric acid containing chloral was treated with new process, including diluted with water and directly steam distillating without pre-heating.
研究了从双氧水氢化废镍催化剂中以硫酸镍形式回收镍的工艺方法。
A method for recovering nickel in hydrogenate used catalyst of hydrogen peroxide in nickel sulfate form has been developed.
论述了硫酸废热发电自保运行在设计中需注意的几个问题。
Some noteworthy problems in design of auto-operation of sulphuric acid plant on waste heat power generation are discussed.
概述了利用蒽醌法生产过氧化氢时所产生的废触媒制备硫酸镍的方法。
Preparation of nickel sulfate from waste catalyst of hydrogen peroxide production (anthraquinone method) is summarized.
介绍了用热的浓硫酸处理废硬质合金,回收金属钴和碳化钨的方法。
This article reports on a method of retrieving cobalt metal and tungsten carbide from hard alloy scrap by the sulphate method.
研究了硫化沉淀法分离ito废靶硫酸浸出液中铟、锡的工艺。
A novel technology of separating indium and tin from sulphuric acid leach solution of ITO waste target by sulphuration precipitation has been developed.
硫酸废热锅炉故障主要是由受热面管子的磨损、受热面的腐蚀、过热器爆管及焊缝漏水等引起的。
Abrasion and corrosion of heating surface, superheater tube cracking and weld leakage are the main cause of waste heat boiler breakdown in sulphuric acid plant.
本实验采用氢溴酸法,用浓硫酸作催化剂,以正辛醇、工业废氢溴酸(48%)及浓硫酸为原料,合成1 -溴代正辛烷。
N-octyl bromide was synthesized by hydrobromic method in which took n-octanol and industrial waste hydrobromic acid (48%) as materials, concentrated sulfuric acid as a catalyst.
研究了激发剂对化工废石膏—粉煤灰新型道路建筑材料的强度和自由线膨胀率等性能的影响,以及减水剂的作用和新型道路建筑材料的抗硫酸盐侵蚀性能等。
The influence of activator on strength and free linear dilatability and sulfate resistance of chemical waste gypsum - fly ash new road building material as well as action of water reducer are studied.
本文介绍采用络合酸浸法以废甲醇催化剂为原料制备五水硫酸铜和活性氧化锌的新工艺。
A new process which produce copper sulfate pentahydrate and activated zinc oxide from the used catalyst by soaking in complex acid has been introduced in this paper.
介绍利用废金刚石中的钴生产七水硫酸钴的方法。
The recovery technique of cobalt in waste diamond cutter is introduced.
介绍了如何从废镍催化剂中提取镍,减少环境污染,降低硫酸镍的制造成本。
The paper mainly introduces how tonickel from waste nickel catalyst, so as to reduce environmental pollution and production cost.
提出了芒硝钡卤法生产工业硫酸钡中三废的治理方法。
以废聚苯乙烯(WPS)泡沫为原料,采用浓硫酸和发烟硫酸两种磺化方法制备性能良好的砼减水剂。
The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.
介绍了废电解液除杂制取硫酸铜和粗镍的主要工艺条件及试验结果。
In this paper, production process of copper sulphate and crude nickle from waste electrolyte.
介绍了废电解液净化除杂制取硫酸铜的新工艺。
A new technology of producing copper sulphate from impurity-removed waste electrolyte is introduced in the paper.
介绍了废杂铜生成硫酸铜的新工艺,并对影响溶铜总量的各因素进行了研究。
The methods of producing copper sulphate from copper scrap is introduced in this paper, and the factors which effect total quantity of dissolve copper are studied in detail.
研究了以炼锌厂废泥为原料,经氧化、酸浸、中和沉淀、稀硫酸溶解、置换等步骤制取硫酸铜、海绵镉和硫酸锌的工艺。
Prepared copper sulfate, sponge cadmium and zinc sulfate from abandoned mash of zincmaking plants following the step of oxidization, soaking in acid, neutralization sedimentation, replacement, etc…
本文介绍了以废次烟叶为原料,采用新型萃取剂gtm—2 0,提取生产硫酸烟碱的新方法。
New method for the production of nicotine sulfate from inferior tobacco leaf and by new pattern extraction have been investigated.
原作为废弃物处理的废硫铵液自2007年6月开始,也作为生产原料提供给外部的硫铵制造厂回收 硫酸铵。
Waste ammonia sulfate solution, which had been disposed in the past, has been recycled since June 2007 and provided to ammonia sulfate plants as raw material.
结果表明,我们的治理方案能够满足三废排放标准,是一种简便、经济、快速处理硫酸锰生产工艺过程污染的好办法。
Results show, our plan can satisfy the requirements of the standard of emission control to three wastes. The plan is a good method to apply to control polluted in the p…
结果表明,我们的治理方案能够满足三废排放标准,是一种简便、经济、快速处理硫酸锰生产工艺过程污染的好办法。
Results show, our plan can satisfy the requirements of the standard of emission control to three wastes. The plan is a good method to apply to control polluted in the p…
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