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Simple and efficient adsorbent compounding method

An adsorbent and high-efficiency technology, which is applied in chemical instruments and methods, alkali metal compounds, and other chemical processes, can solve the problems of easy loosening of adsorbents, low adsorption efficiency of adsorbents, and reduced mechanical properties, so as to improve heat transfer Mass transfer ability, improvement of material penetration performance, and the effect of improving mechanical properties

Inactive Publication Date: 2022-05-10
苏州新尔志新材料科技有限公司
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Problems solved by technology

[0003] However, the existing adsorbents have cumbersome steps in the compounding process, and the compounded adsorbents have low adsorption efficiency, and they have not been modified, resulting in a relatively single function, and the adsorbents are prone to appear during the compounding process. Loosening, delamination and shedding, which reduces its mechanical properties

Method used

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  • Simple and efficient adsorbent compounding method

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Embodiment 1

[0025] Embodiment 1, with reference to figure 1 , a simple and efficient adsorbent composite method, comprising the following steps:

[0026] S1: Materials: Use 50g-70g of diatomite, 5g-10g of activated carbon, 15g-20g of glass beads, 30g-40g of bentonite, 15g-35g of calcium chloride, 8g-16g of expanded graphite and 28g - 33 g of polyethylene oxide;

[0027] S2: Preparation of carbonizing agent solution: 10g-15g of calcium acetate, 20g-30g of citric acid and 0.5g-2g of zirconium nitrate were dissolved in 25mL of deionized water to prepare a carbonizing agent solution;

[0028] As a further improvement of the present invention, the total molar ratio of metal ions to citric acid in S2 is about 1:2, and the carbonizing agent solution in S2 needs to be stirred in a high-temperature water bath at 60°C-85°C for 1h-1.5h to ensure The solute is fully dissolved;

[0029] S3: carbonization treatment: adding the diatomite, activated carbon and bentonite prepared in S1 to the prepared ...

Embodiment 2

[0035] Embodiment 2, with reference to figure 1 , this embodiment is optimized on the basis of Example 1, specifically: a simple and efficient adsorbent composite method, which also includes the following steps:

[0036] S5: Adsorbent modification: The adsorbent particles in S4 are sequentially modified by resin, HCL, metal oxide and organic acid;

[0037] As a further improvement of the present invention, the resin modification in S5 mainly includes the synthesis of interpolymers, chloromethylation reactions, the reaction of introducing functional groups into chlorine balls, and the synthesis of adsorption resins;

[0038] More specifically: first, carry out suspension copolymerization with a certain amount of styrene, divinylbenzene and porogens of different compositions according to conventional methods, then extract the porogens, and prepare the macroporous interpolymer as Nitrobenzene is used as a swelling agent, zinc dichloride is used as a catalyst, and chloromethylati...

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Abstract

The invention belongs to the technical field of adsorbents, and particularly relates to a simple and efficient adsorbent compounding method which comprises the following steps: S1, taking materials: taking 50g to 70g of diatomite, 5g to 10g of activated carbon, 15g to 20g of glass beads, 30g to 40g of bentonite, 15g to 35g of calcium chloride, 8g to 16g of expanded graphite and 28g to 33g of polyoxyethylene; s2, preparing a carbonizing agent solution: respectively dissolving 10 to 15g of calcium acetate, 20 to 30g of citric acid and 0.5 to 2g of zirconium nitrate in 25mL of deionized water to prepare the carbonizing agent solution; according to the method, efficient adsorption can be achieved, the steps are simple, the adsorbent is subjected to multi-layer modification, the resin is modified, the resin is fused into the adsorbent so that the adsorbent can concentrate and separate organic matter, the sintering resistance of the adsorbent can be improved through HCL modification, and a small amount of HCl and steam are added, so that the service life of the adsorbent is prolonged, and the service life of the adsorbent is prolonged. Through cooperation of organic acid modification and metal oxide modification, the pore structure of the adsorbent can be improved, the pore surface area of the adsorbent is increased, and the substance penetration performance of the adsorbent is improved.

Description

technical field [0001] The invention relates to the technical field of adsorbents, in particular to a simple and efficient composite method for adsorbents. Background technique [0002] Adsorbent is also called absorbent. This kind of substance can make the active ingredient adhere to the surface of its particles, and turn the liquid trace compound additive into a solid compound, which is conducive to the implementation of uniform mixing. Solid substances with some components have a large specific surface area, suitable pore structure and surface structure, and have a strong adsorption capacity for adsorbates. Generally, they do not chemically react with adsorbates and media, and are convenient to manufacture and easy to regenerate. [0003] However, the existing adsorbents have cumbersome steps in the compounding process, and the compounded adsorbents have low adsorption efficiency, and they have not been modified, resulting in a relatively single function, and the adsorben...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/28B01J20/30
CPCB01J20/14B01J20/12B01J20/103B01J20/20B01J20/046B01J20/265B01J20/28011B01J20/28054
Inventor 靳廷甲
Owner 苏州新尔志新材料科技有限公司
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