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Novel wastewater treatment adsorption material and preparation process thereof

A technology for sewage treatment and adsorption materials, which is applied in the fields of adsorbing water/sewage treatment, water/sludge/sewage treatment, water pollutants, etc., can solve problems such as poor adsorption capacity, improve adsorption capacity, reduce production cost, achieve immobilization

Inactive Publication Date: 2015-06-24
XIAN TUOSHI ELECTRONICS TECH
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Problems solved by technology

Due to the strong hydrophilicity of the silicon-oxygen structure on the surface of bentonite and the hydrolysis of interlayer cations, organic matter in water cannot enter its space, so bentonite has poor adsorption capacity for toxic organic matter in industrial wastewater

Method used

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  • Novel wastewater treatment adsorption material and preparation process thereof

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing, the present invention is described in detail as follows: figure 1 As shown, a new type of wastewater treatment adsorption material and its preparation process belong to the field of urban sewage and industrial wastewater resource management technology and equipment technology, including organic modification of bentonite, immobilization of bentonite and continuous treatment of phenolic industrial wastewater. The method for immobilizing organic bentonite is 1) mixing organic bentonite with quartz sand to increase bed permeability; 2) mixing bentonite with plastic raw materials, extruding and granulating at high temperature to absorb waste water 3) Use polyethylene as a binder to bind mailed montmorillonite together to obtain polyethylene immobilized mailed montmorillonite for improving adsorption capacity, and the organic modification of bentonite is in it Create a microenvironment that can accept organic matter in layer spa...

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Abstract

The invention discloses a novel wastewater treatment adsorption material and a preparation process thereof. The process includes bentonite organic modification, bentonite immobilization and continuous treatment of phenolic industrial wastewater. The organic bentonite immobilization method is as below: 1) mixing organic bentonite with quartz sand to improve the permeability of a bed; 2) mixing bentonite with a plastic raw material, and extruding and granulating at high temperature, so as to adsorb heavy metal ions in wastewater; 3) binding organic montmorillonite together by using polyethylene as a binder to obtain get polyethylene immobilized organic montmorillonite for post improving the adsorption capacity. The bentonite organic modification is to establish a microenvironment capable of receiving the organic compounds in the inner space of bentonite and increase the spacing of layers. The invention adopts organic small molecules and long carbon chain cationic surfactant to form a composite column modifier with synergistic effect, and the prepared products can improve the adsorption capacity, reduce the production cost, and continuously adsorb and treat phenolic industrial wastewater.

Description

technical field [0001] The invention relates to the technical field of urban sewage and industrial waste water resource treatment technology and equipment, in particular to a novel waste water sewage treatment adsorption material and a preparation process thereof. Background technique [0002] Phenol-containing industrial wastewater is the most harmful and widely polluting industrial wastewater in the world today. my country's phenol-containing industrial wastewater has accounted for the first place in the discharge of wastewater in the chemical industry and is the main source of toxic organic wastewater. At present, adsorption is mainly used in China. Activated carbon, as a common adsorbent, has the characteristics of large adsorption capacity, but due to the difficulty of regeneration and high operating costs, its popularization and application are limited. In addition, the macroporous resin used to adsorb phenol The method of waste water is also more common, but the cost of...

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Application Information

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IPC IPC(8): B01J20/22B01J20/30C02F1/28C02F101/34
Inventor 王莎莎
Owner XIAN TUOSHI ELECTRONICS TECH
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