Synthesis method of SSZ-13 zeolite
2017
The present invention belongs to the technical field of zeolite molecular sieves, and in particular relates to a synthesis method of SSZ-13 zeolite. The method comprises the steps: performing hydrothermal reaction on a mixture of alkali metal or an alkaline earth metal source, an oxide source of a trivalent element, an oxide source of a tetravalent element, water and a structural guiding agent, to obtain an SSZ-13 zeolite crystal, cooling, filtering, and washing with water to obtain SSZ-13 zeolite. The structural guiding agent used in the invention has the advantages of low toxicity, low cost, wide range of Si/Al ratio of a synthetic product, low activation temperature, and easiness in industrialization compared with other known structural guiding agents. The SSZ-13 zeolite prepared in the invention shows a high catalytic conversion rate in catalytic removal reaction of nitrogen oxides when being used as a catalyst.
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