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Basic functions of activated alumina spheres 2021-1-27 Activated alumina spheres have many capillary channels and large surface area, which can be used as adsorbent, desiccant and catalyst. At the same time, according to the polarity of the adsorbed material, it has strong affinity for water, oxide, acetic acid, alkali, etc. it is a kind of activated alumina defluorination resin, similar to anion exchange resin, but has high selectivity for fluoride ion.
How to add active alumina in defluorination and its dosage 2021-1-26 When the arsenic content in raw water exceeds 0.05 mg / L, the process parameters should be determined by experiments. The fluoride content in raw water should be less than 10mg / L, and the suspended solids should not be more than 5mg / L.
Catalytic regeneration flue gas denitration technology 2021-1-26 The denitration technology of FCC regeneration flue gas mainly includes denitration additives, oxidation method, adsorption method and electron beam method. The electron beam method has the problem of immature technology. The adsorption method is seldom used due to the problems of adsorbent wear and large pressure drop.
Sources and influencing factors of FCC pollutants 2021-1-26 The process of FCC is that the raw oil is heated and cracked under the action of catalyst to generate dry gas, liquid hydrocarbon, gasoline, diesel oil, slurry and coke.
The development of catalysts in China 2021-1-26 The first catalyst production workshop in China is the catalyst Department of yongliqian plant. It was renamed as catalyst plant of Nanjing Chemical Industry Company in 1959. In 1950, AI type ammonia synthesis catalyst, C-2 type carbon monoxide high temperature conversion catalyst and VI vanadium catalyst for sulfur dioxide oxidation were produced. After that, various catalysts needed for ammonia industry were gradually prepared. In 1980s, China began to produce supported nickel catalysts for natural gas and light oil steam conversion.
What are the commonly used catalysts 2021-1-26 There are many kinds of catalysts

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