This series of products with boehmite as catalyst carrier substrate，loaded active component, can be used for pre-conversion and second conversion of light oil, natural gas, coal gas, coke oven gas, oil field gas, refinery tail gas and other raw materials. It can be also used for methanation device in the hydrogen production plant and ammonia plant. This series of products can be used in the methanol production and dimethyl ether production with the methanol as raw materials by gas phase dehydration. The characteristics of the products are uniform stability, high activity, good strength, high temperature resistance, erosion resistance, long service life, and operated at higher airspeed.

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