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Preparation method of green environmental-protection attapulgite anti-sedimentation adsorbent for buildings

A green and environmentally friendly, attapulgite technology, applied in chemical instruments and methods, and other chemical processes, can solve the problems of weak anti-sedimentation adsorption performance and insufficient green environmental protection, so as to increase anti-sedimentation, increase green environmental protection performance, The effect of increasing the adsorption efficiency

Inactive Publication Date: 2018-12-14
MINGGUANG FEIZHOU NEW MATERIAL
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Problems solved by technology

The building materials sintered at high temperature will not cause subsequent release of dioxins to pollute the environment. The process is green and friendly, and has good industrial application prospects. However, the use of adsorbents containing attapulgite clay has poor anti-sedimentation adsorption performance. Weak, and there is no effective removal of impurities in the production process, making the environmental protection not strong enough

Method used

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  • Preparation method of green environmental-protection attapulgite anti-sedimentation adsorbent for buildings

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0032] According to an embodiment of the present invention, a method for preparing an environmentally friendly attapulgite anti-sedimentation adsorbent for construction is provided.

[0033] Such as figure 1 As shown, a method for preparing an environmentally friendly attapulgite anti-sedimentation adsorbent for construction according to an embodiment of the present invention includes the following steps:

[0034] Step S101, selecting: selecting natural mineral attapulgite clay and processin...

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Abstract

The invention discloses a preparation method of a green environmental-protection attapulgite anti-sedimentation adsorbent for buildings, wherein the preparation method includes the steps: selecting: selecting natural mineral attapulgite clay and processing to obtain an attapulgite clay raw material; pretreatment: pouring the attapulgite clay raw material into a grinding device, grinding, after grinding into powder, pouring into molecular sieve, and screening; screening: selecting the attapulgite clay with the particle size of 2 mm-4 mm; decomposition: putting the selected attapulgite clay withthe particle size of 2 mm-4 mm into a stirrer, adding an acidic solution in a proportion of 11-45%, and then stirring evenly; filtering: stirring for a certain period of time, then pouring into a filter sieve, filtering, and removing impurities contained at the interior and the surface, to obtain a suspension; activating: heating and activating the suspension, and activating the suspension with azinc chloride solution with the concentration of 1-1.5 mol / L to obtain an attapulgite clay system; and roasting, discharging, cooling, cleaning, drying, grinding, sieving and preserving.

Description

technical field [0001] The invention relates to the technical field of adsorbents, in particular to a method for preparing an environmentally friendly attapulgite anti-sedimentation adsorbent for construction. Background technique [0002] Adsorbents are solid substances that are effective in absorbing certain components from a gas or liquid. Adsorbents generally have the following characteristics: large specific surface, suitable pore structure and surface structure; strong adsorption capacity for adsorbate; generally do not chemically react with adsorbate and medium; easy to manufacture and easy to regenerate; good mechanical properties strength etc. [0003] The patent document with the patent number CN102824892B discloses an adsorbent, preparation method and application for removing dioxins from waste incineration waste gas, including (1) grinding and crushing the attapulgite raw soil, and sorting out particles with a particle size of 3mm Attapulgite clay with a part...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/30
CPCB01J20/0244B01J20/0288B01J20/12B01J20/16B01J20/20
Inventor 顾文宇
Owner MINGGUANG FEIZHOU NEW MATERIAL
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