Indium and gallium compounds havebeen usedin catalysis for many years and research onnewapplications is increasing.
In which processes are indium and gallium compounds used?They include:
- CO 甲烷化生成CH4
- 将CO2直接氢化为CH3OH
- 生物质还原，以生产出具有成本效益的生物-BTX，用于进一步净化
- 制造芳烃的环化工艺
- 和其他几个
Why In and Ga Compounds? They are readily available in quantity and cost effective constituents in Friedel-Crafts reactions and in Fischer-Tropsch processes. In addition, indium is an effective Lewis Acid. They are also water-soluble, making the cleaning easy and cost-effective.
Which compounds are used? Typically, the chlorides and nitrates of each metal are used in aqueous solution, to permeate the supporting zeolite base. Stability in water allows aqueous recycling and, often, the use of water as a reaction solvent.
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