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不仅如此,甲烷化反应在实际工业应用中也占据重要地位。Furthermore, the methanation of CO2 has been used in various industrial processes.

在合成气精制工艺中甲烷化不可能产生自热反应。Autothermic reaction of methanation could not take place when purifying the synthesis feed gas.

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本报告介绍了小化肥厂耐硫甲烷化催化剂的立升级试验结果。This report relates to small test result for sulfur-tolerant methanation catalyst in fertilizer plant.

介绍中石油大庆石化公司化肥厂合成氨装置甲烷化催化剂水洗情况。Presents the water washing of methanation catalyst used in ammonia plant of Daqing chemical fertilizer plant.

分析查找甲烷化系统压差异常升高的原因,介绍处理办法以及今后的预防措施。Analyze the reasons for abnormal elevation of pressure differential in methanation system, introduce the treatments and preventive measures.

稳定的乙酸甲烷化过程必定形成稳定的pH梯度,这是碳酸钙沉降的根本原因。Stable acetic acid methanation process must form a stable pH gradient, which is the fundamental reason for the calcium carbonate precipitation.

针对甲烷化催化剂中毒失活的原因,介绍改用J107型甲烷化催化剂升温还原和开车情况。In accordance with the cause of deactivation of methanation catalyst, a summary of heating up, reduction and test run of J107 catalyst is introduced.

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本文综述国内外煤气化制城市煤气工艺的进展,重点介绍了近年来正在研究开发的耐高硫城市煤气甲烷化工艺及催化剂。The paper reviews progress on the process for methanation of city coal-gas at home and abroad. Especially, it introduces recent process and coal-gas.

甲烷化技术应用于生物质气化,是改善燃气质量、提高燃气热值的有效方法。The methanation technology that is applied to biomass gasification is a effective method that can improve the gas's quality and raise the caloric value.

二氧化碳甲烷化作为有效利用碳源解决温室效应的方法之一具有长远的战略意义。As far as using the carbon source and solving the environmental problem concerned, the study on methanation of CO2 has been considered as a strategic task.

与和现有的反应器甲烷化流程相比,具有流程短、投资省、热能利用率高的优点。Compared with the prior reactor methanation process, the method has the advantages of short process, investment saving and high heat energy utilization rate.

本发明提供的二氧化碳甲烷化催化剂在二氧化碳的甲烷化反应中显示出优越的活性和甲烷选择性。The methanation catalyst of carbon dioxide in the invention shows superior activity and methane selectivity in the methanation reaction of the carbon dioxide.

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介绍了醇烃化精制新工艺替代甲烷化工艺在合成氨厂的应用情况。A description is given of the use of the new process of final purification by alcohol hydro-carbylation to replace the methanation process in the ammonia plant.

采用等温积分反应器,测试了KD306型耐硫甲烷化催化剂的本征动力学,建立了幂函数动力学模型。The intrinsic kinetics of KD306 type sulfur tolerant methanation catalyst was studied in an isothermal integrated reactor and the reaction model of power functions type was established.

首先对二氧化碳甲烷化的二种机理进行了回顾,并对这二种机理存在的可能性进了探讨。The views on the mechanism of carbon dioxide methanation were reviewed. The possibility of two kinds of methanation mechanisms was discussed on the basis of kinetics and thermodynamics.

报道了在钼系与氧化物系催化剂基础上开发的G-34型耐硫甲烷化催化剂的反应特性。The catalysts were developed on the basis of molybdenum and metal oxide methanation catalysts. Combining strong points of the two series, G-34 catalysts possess higher activity and selectivity.

对煤气甲烷化反应体系进行热力学分析,概述耐硫和非耐硫甲烷化的反应机理,剖析耐硫甲烷化催化剂失活的原因。Thermodynamic analysis to the reaction system of methanation is given. Reaction mechanism of mathen-ation either for sulfur proof or noon proof, the cause of deactivation of catalyst is analyzed.

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实验还确定了合适的再生气体量和保留时间,同时比较了变压吸附和甲烷化两种方法净化合成气中微量CO的能耗,为工业脱除微量CO提供了依据。The different energy expenditures of purifying minim CO in synthesis gas by pressure swing adsorption and methanation were compared, which offered useful dates for separation of minim CO in industry.