There are four major steps in ammonia synthesis.
氨的合成主要经过四道工序。
There are four major steps in ammonia synthesis .
氨的合成主要经过四道工序。
He invented ammonia synthesis with catalysis by iron.
它发现了铁催化合成氨的催化反应。
Horizontal converter is a new type of ammonia synthesis converter.
卧式塔是一种新型氨合成塔。
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。
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。
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。
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。
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。
This article introduces the application of DNCA type ammonia synthesis catalyst in 800 ammonia synthesis tower.
介绍了DNCA型氨合成催化剂在80 0氨合成塔的应用情况，对它的特点、触媒升温还原要点进行了总结。
This article introduces the application of DNCA type ammonia synthesis catalyst in 800 ammonia synthesis tower.
分析氨合成塔下绝热层催化剂利用率低的原因，提出了提高利用率的措施以及实施效果。
The process to replace the catalyst of shifting furnace was introduced for large-sized ammonia synthesis plant;
介绍了大型合成氨厂低变炉更换催化剂的过程； 论述了催化剂的选型要求和装填方法；
The industrial application is given of the Type ZA 5 low temperature and low pressure ammonia synthesis catalyst.
报道了ZA5型低温低压氨合成催化剂的工业应用状况。
Therefore, it is essential to study the preparation conditions of ruthenium-based catalyst for ammonia synthesis.
研究了活性组分钌的浸渍条件对催化剂性能的影响。
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。
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。
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。
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。
Results showed that no pollution took place in these processes, and the gas generated can meet the demand of ammonia synthesis.
污泥型煤无二次污染，其气化成分符合合成氨原料气的要求。
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。
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。
The system is used in the ammonia synthesis section and the urea unit at Guizhou Chishui Natural Gas Chemical Group Co. , Ltd with good results.
该系统在贵州赤天化集团有限责任公司合成、尿素装置中应用，效果良好。
As a kind of supported catalyst, the supports of ruthenium-based ammonia synthesis catalysts have a direct effect on the activity of the catalysts.
钌基氨合成催化剂作为一种负载型催化剂，载体对催化剂活性有直接影响。
The replacement of the ammonia synthesis catalyst and the reduction by heating of Type A110-1H prereduced catalyst and its operation are summed up.
总结了氨合成催化剂更换及A11 0 - 1H型预还原催化剂升温还原以及运行情况。
The new method has been successfully applied to the optimization of the flowrate of circulating water for the CO shift section in ammonia synthesis.
通过对合成氨变换工段循环热水系统以饱和塔出口半水煤气温度最大为目标函数进行优化计算，证明本文方法是成功的。
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。
A new ammonia synthesis catalyst with rare earths, which is suitable for condition of low temperature and low pressure, highly activated and poison proof, is introduced.
介绍一种新型稀土氨合成催化剂，它具有低温、低压、高活性、高抗毒性。
The influences of temperature, pressure, space velocity and ratio of hydrogen to nitrogen on the activity of ruthenium based ammonia synthesis catalyst were investigated.
用氨合成催化剂性能评价装置，研究了反应温度、压力、空速和氢氮比对以活性炭为载体的钌基氨合成催化剂活性的影响。
The results showed that the ammonia synthesis system could reach supercritical state by adding a suitable supercritical medium and then controlling the reaction conditions.
结果表明：在合成气中加入合适的超临界介质并控制反应条件，体系可以达到超临界状态；
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。
应用推荐