A loofah zeolite molecular sieve for adsorption and separation of water turbidity and its preparation method

Abstract

The invention discloses a loofah sponge zeolite molecular sieve for water muddy matter adsorption separation and a preparation method of the loofah sponge zeolite molecular sieve. The loofah sponge zeolite molecular sieve comprises the following raw materials in parts by weight: 120-140 parts of loofah sponge fiber, 2-5 parts of zinc chloride, 3-6 parts of potassium hydroxide, 6-8 parts of sulfuric acid, 20-40 parts of silica gel, 30-50 parts of water glass, 15-25 parts of sodium silicate, 30-40 parts of aluminum orthophosphite, 20-40 parts of aluminum sulfate, 8-12 parts of hydrochloric acid, 20-30 parts of chitosan and the balance of water. According to the invention, the loofah sponge fiber can create a carrier environment for zeolite gel to enable a bundle structure and a pore structure of the loofah sponge fiber to be filled with the zeolite gel, so that the loofah sponge zeolite molecular sieve is more stable and does not deactivate easily, meanwhile, the surface area ratio is increased and adsorbability is improved.

Description

technical field [0001] The invention belongs to the field of molecular sieves, and in particular relates to a loofah zeolite molecular sieve used for adsorption and separation of turbid substances in water bodies and a preparation method. Background technique [0002] Zeolite molecular sieve is a kind of artificially synthesized aluminosilicate with microporous cubic lattice. Molecules that adsorb or repel different substances according to the size of the pores inside their crystals have good thermal and hydrothermal stability while having good shape-selective properties, and are widely used in catalytic and adsorption separation processes. Generally, the directly synthesized zeolite molecular sieve is a loose crystal powder, which is easy to be deactivated and aggregated into agglomerates during the actual storage process. During the application process, the dust is large, and a binder needs to be added to form it, so that the effective surface area of ​​​​the material is s...

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Problems solved by technology

Generally, the directly synthesized zeolite molecular sieve is a loose crystal powder, which is easy to be deactivated and aggregated into agglomerates during the actual storage process. During the application process, the dust is large, and a binder needs to be added to form it, so that the effective surface area of ​​​​the material is significantly reduced.

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