Water quality and pollutant of wastewater in synthesis of ammonia is analysed.
分析了合成氨废水的水质和主要污染物。
In revamping of the Ammonia Synthesis Section, newly developed 1000 tube-baffle internal component was applied.
该厂在小合成氨合成工段的技改中,采用1000单管折流式新型内件。
Various types of ammonia synthesis reactors were evaluated by means of the proposed model.
本文还运用所提出的方法,评价了不同类型的氨合成反应器。
The high purity, high surface area, large pore volume and proper pore structure of active carbon as a support for ruthenium catalyst usually lead to high catalytic activity for ammonia synthesis.
具有高纯度、高比表面、大孔容及合理孔分布的活性炭载体有利于活性组分有效均匀的分散,制备出高活性的氨合成钌催化剂。
The installation, reduction and commercial operation of A201 type ammonia synthesis catalyst are reported.
本文介绍了A201型氨合成催化剂的装填、还原以及使用情况。
A new method for manufacture of spherical ammonia synthesis catalyst was described in this paper.
作者发明了一种高效制造球形氨合成催化剂的新方法。
There is no accurate method for analyzing the reduction degree of pre-reduced catalyst for ammonia synthesis at present.
对预还原型氨合成催化剂还原度的分析,目前暂无相对准确的方法。
The select(?)ve synthesis of dimethylamine from ammonia and methylalcohol using the cation modified mordenite as catalysts on atmospheric pressure fixed bed have been studied.
研究了以阳离子改性的丝光沸石为催化剂,以氨和甲醇为原料,在常压固定床上二甲胺选择性合成反应。
The influences of the temperature on passivation operation and production quality for ammonia synthesis catalyst after reduced are explored, and the optimum passivation temperature is found.
探索了氨合成催化剂还原后的温度对钝化操作与产品质量的影响,确定了最佳的钝化温度。
Practice proves that the use of electrolytic hydrogen in ammonia synthesis is totally feasible, with marked economic benefit.
实践证明,电解氢用于氨合成是完全可行的,经济效益十分显著。
This paper studied the synthesis of rubber accelerator DZ by rubber accelerator DM, dicyclohexyl amine and ammonia in the solvent of methanol.
采用促进剂DM和二环己胺为原料,以氨气为缚酸剂,用甲醇做溶剂合成橡胶硫化促进剂DZ。
The adoption of this new technology not only increases methanol output and catalyst utilization ratio, but, also stabilizes ammonia synthesis operation and increases the net ammonia value.
采用该新技术,不仅可提高甲醇产量和催化剂利用率,而且可稳定氨合成操作,提高氨净值。
Presents the operation of ammonia synthesis catalysts, and compares the operation of the original used A110-1H catalyst and A301 and A-10H which replaced part of A110-1H during operation.
介绍了氨合成催化剂的运行情况,对最初使用的A110 - 1h型催化剂部分更换为A301、A - 10h后的运行情况进行了比较。
The mathematical model was established for calculating the maximum reaction rate of ammonia synthesis at optimum reaction temperature and the value solution method for the model was presented.
建立了计算最佳温度下的氨合成最大反应速率模型,提出了模型的数值解方法;
Technical bases for coproduction of ammonia and synthesis gas are analyzed. Feasibility study is discussed briefly. Process flowsheet is also put forward.
分析了大型合成氨、合成气联产的技术基础,初步探讨该流程的可行性,提出了氨、合成气联产的工艺流程。
It also presents the new combined technology of JL cold tube type ammonia converter internals and isobaric synthesis.
同时,介绍了JL冷管型氨合成塔内件和等压合成综合新技术。
In view of the complexity of ammonia synthesis, a two-step gradual optimization experiment for increasing the net value of ammonia was designed.
针对合成氨生产的复杂性,以提高氨净值为目标,提出了“两步逐级正交优化”的概念并设计了相关试验方案。
It is introduced the modification of ammonia synthesis system with twin paralleled towers in Qian 'an chemical fertilizer Co., Ltd.
介绍了迁安化肥股份有限公司氨合成系统以双塔并联为特色的工艺技术改造。
Modification of ammonia synthesis section in the company is introduced.
介绍该公司氨合成工序的改造情况。
There are two manufacturing methods of pyridine bases: extraction from coal tar and catalytic synthesis from ammonia, formaldehyde and acetaldehyde.
吡啶碱的生产方法主要有两种:一是从煤焦油中提取;二是从氨和甲醛、乙醛的合成过程中获得。
The research is enclosed the reaction between ammonia and carbon disulfide in the synthesis of ammonium thiocyanate.
论文研究是围绕以二硫化碳和氨为原料合成硫氰酸铵的反应过程进行的。
Ruthenium catalysts are known to be quite sensitive to the nature of supports, promoters and precursors in ammonia synthesis.
介绍了钌系氨合成催化剂的载体、促进剂、钌活性前身物对氨合成催化活性的影响。
The train of thought for instrument design selection in ammonia synthesis, alcohol hydrocarbonization system was discussed from aspects of temperature, pressure, liquid level, flow quantity etc.
从温度、压力、液位、流量等方面论述了氨合成、醇烃化系统仪表设计选型的思路;
A new process has been developed to synthesize p-aminophenol methyl ether from p-nitrophenol methyl ether by catalytic hydrogenation, using ammonia synthesis gas instead of pure hydrogen.
采用合成氨厂氨合成气代替纯氢气催化氢化邻硝基苯甲醚合成邻氨基苯甲醚的新工艺,探讨了合成反应条件对邻氨基苯甲醚收率的影响规律。
The sorts, research and application situation of the ammonia synthesis catalyst were described. The prospect and direction of development were pointed out.
阐述了氨合成催化剂的种类、研究和使用概况,指出了氨合成催化剂的发展前景与开发方向。
For common condensation separation of synthesis ammonia, the energy consumption not only is high, but it is disadvantageous that the synthetical pressure is decreased largely.
合成氨分离普遍采用的冷凝分离法不仅能耗高,而且不利于氨合成压力大幅度降低。
Idea and path of technology modification of ammonia synthesis system in Mid-size nitrogenous fertilizer factory are described, Modifying measures and principles are suggested.
通过分析氨合成系统技术的发展趋势,指出了中氮厂氨合成系统技术改造的方向。
The selective catalytic synthesis of dimethylamine from ammonia and methylalcohol over cerium modified mordenite under ambient pressure in a fixed bed reactor has been studied.
研究了氨和甲醇以铈改性丝光沸石为催化剂,在常压固定床上选择性合成二甲胺的反应。
The explosion cause of 20 steel tube with different diameters on the bottom of ammonia synthesis tower was analyzed.
分析了氨合成塔底部副线20钢异径管爆破的原因。
The explosion cause of 20 steel tube with different diameters on the bottom of ammonia synthesis tower was analyzed.
分析了氨合成塔底部副线20钢异径管爆破的原因。
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