Effect of reduction temperature on activities of alumina-supported tungsten phosphide in carbazole hydrodenitrogenation;

The influence of reduction temperature and the pretreatment of reduction-reoxided on the hydrodesulfurization performance of Pd/Al2O3 and Pd-CeO2/Al2O3 catalysts have been investigated.

High-quality Mg-Zr intermediate alloy is produced through control of furnace charge proportion,reduction temperature and time,and by forward and backward mechanical agitation.

introduction was made for structure features of 2400mm inner-heat change type of low pressure radial flow ammonia converter internals in china and for process flow of ammonia synthesis system,the filling of catalyst,heating/reducing schemes and operating data were discussed for internals of ammonia converter,the operating effect of actual production was summarized.

the extracted gas was separated from third stage outlet of shifting,the process flow sheet and process features were introduced;the improvement for heating/reducing process and production operation w.

Heating reduction and application of NC74-1 ammonia synthesis catalyst;

Filling data,distribution of temperature measuring points and heating reduction scheme were introduced for NC501 type methanol catalyst,the reduction process and production operation situation for this catalyst were discussed,through the comparison of production operation data for two furnaces of catalyst i.

This article introduces the layer-by-layer temperature-increasing reduction of A203 Low-temperature ammonia Synthesis catalyst.

In this article,the author briefly introduced the application condition of C307 catalyst for LP methanol synthesis in our plant,primary analyzed the influence of reduction status of catalyst,ingredient of inlet syngas,H/C ratio,space-velocity to methanol synthesis,put forward the suitable measures for catalyst protection and operation method.

Loading and reduction of catalyst A202Q, A110-5Q is described.

The structure and process for internal of ammonia converter with one axial bed and three radial beds were introduced, the filling situation, scheme and course of heating and reducing for A202, A110-1 type of catalyst were described, both experience and lesson for heating and reducing were summarized.

Basic structure,filling situation of catalyst and heating and reducing processes were introduced for  1 200 low pressure axi al & radial energy saving type of ammonia converter internal,actually operatin g effect and productive operation experience for this converter were also summar ized.