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A kind of environment-friendly adsorption material and preparation method of pottery clay/pyrolulurite for efficient phosphorus removal

An adsorption material, pyrolusite technology, which is applied in the field of clay/pyrolulurite high-efficiency phosphorus removal environmental protection adsorption materials and its preparation, can solve the problems of difficult solid-liquid separation, high filtration resistance, easy to block equipment, etc., and achieve good application prospects and low cost. Inexpensive, inexpensive effects

Active Publication Date: 2022-03-22
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the above technical problems, the present invention provides an environmentally friendly adsorption material and preparation method for highly efficient dephosphorization of clay / pyrolulusite, using clay as the base material, and adding pyrolusite to high-temperature sintering to prepare the adsorption material for phosphorus removal, avoiding the adsorption of powdered adsorbents Afterwards, solid-liquid separation is difficult, filtration resistance is large, and equipment is easy to be blocked, etc., and the phosphorus removal performance of the adsorption material is enhanced to achieve low-cost, environmental protection, and high-efficiency phosphorus removal, and there is no second pollution; at the same time, make full use of manganese ore resources and increase benefit

Method used

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  • A kind of environment-friendly adsorption material and preparation method of pottery clay/pyrolulurite for efficient phosphorus removal
  • A kind of environment-friendly adsorption material and preparation method of pottery clay/pyrolulurite for efficient phosphorus removal
  • A kind of environment-friendly adsorption material and preparation method of pottery clay/pyrolulurite for efficient phosphorus removal

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Experimental program
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Effect test

Embodiment 1

[0041] The high-efficiency phosphorus removal adsorption material of pottery clay / pyrolulusite comprises solid material and water, and the solid material and water are mixed and then air-dried, dried, sintered and cooled, wherein the solid material includes 80 parts by weight of pottery clay, 1 part of pyrolusite and 1 part of sodium silicate, based on the total amount of fixed materials, the mass ratio of solid material: water = 1:0.4. Mainly use the adsorption performance of pyrolusite, and add clay and sodium silicate at the same time, sintered into ceramsite for phosphorus removal.

[0042] The specific preparation method is as follows:

[0043] (1) Raw material processing: sieve pottery clay and pyrolusite respectively;

[0044] (2) Ingredients: Weigh pottery clay, pyrolusite and sodium silicate, mix well;

[0045] (3) Blank making: after the above-mentioned ingredients are evenly mixed with water, put into a mold and form a columnar material;

[0046] (4) Natural air ...

Embodiment 2

[0053] The high-efficiency phosphorus removal adsorption material of pottery clay / pyrolulusite comprises solid material and water, and the solid material and water are mixed and then air-dried, dried, sintered and cooled, wherein the solid material includes 90 parts by weight of pottery clay, 10 parts of pyrolusite and 10 parts of sodium silicate, based on the total amount of fixed materials, the mass ratio of solid material: water = 1:0.6.

[0054] The specific preparation method is as follows:

[0055] (1) Raw material processing: sieve pottery clay and pyrolusite respectively;

[0056] (2) Ingredients: Weigh pottery clay, pyrolusite and sodium silicate, mix well;

[0057] (3) Blank making: after the above-mentioned ingredients are evenly mixed with water, put into a mold and form a columnar material;

[0058] (4) Natural air drying: put the columnar material in the environment to air dry naturally;

[0059] (5) Drying: Put the air-dried columnar material in an oven and d...

Embodiment 3

[0063] The clay / pyrolulurite high-efficiency phosphorus removal adsorption material comprises solid material and water, and the solid material and water are mixed and then air-dried, dried, sintered and cooled, wherein the solid material includes 85 parts by weight of clay, 6 parts by weight of pyrolusite and 4 parts of sodium silicate, based on the total amount of fixed materials, the mass ratio of solid material: water = 1:0.5.

[0064] The specific preparation method is as follows:

[0065] (1) Raw material processing: sieve pottery clay and pyrolusite respectively;

[0066] (2) Ingredients: Weigh pottery clay, pyrolusite and sodium silicate, mix well;

[0067] (3) Blank making: after the above-mentioned ingredients are evenly mixed with water, put into a mold and form a columnar material;

[0068] (4) Natural air drying: put the columnar material in the environment to air dry naturally;

[0069] (5) Drying: put the air-dried columnar material into an oven, the drying te...

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Abstract

The invention belongs to the technical field of environmental adsorption materials, and discloses an environmentally friendly adsorption material and a preparation method for high-efficiency dephosphorization of pottery clay / pyrolulurite. The solid material is mixed with water and then air-dried, dried, sintered and cooled. The solid material includes: 80-90 parts by weight of pottery clay, 1-10 parts of pyrolusite and 1-10 parts of sodium silicate, based on the total amount of fixed materials, the mass ratio of solid material: water = 1:0.4-0.6. The adsorption material of the present invention is used for phosphorus removal and adsorption treatment of phosphorus-containing wastewater, and has good phosphorus removal performance, and the phosphorus adsorption capacity is 16.507mg / g; high-temperature burning makes it have good mechanical strength, which is beneficial to realize regeneration and reuse. At the same time, the suitable pH value range of the new adsorption material is wide, which can be widely used in the field of practical engineering, and has good social and economic benefits.

Description

technical field [0001] The invention belongs to the technical field of environmental adsorption materials, and in particular relates to an environment-friendly adsorption material and a preparation method for efficient phosphorus removal of clay / pyrolulurite. Background technique [0002] With the development of economy and society, the problem of eutrophication of water body is becoming more and more prominent, water quality is deteriorating, and algae grows wildly, seriously endangering aquatic ecosystem and human health. Excessive discharge of phosphorus is the main cause of water eutrophication. Therefore, effectively reducing the content of phosphorus in discharged wastewater has become an important way to prevent and control water eutrophication. [0003] At present, the commonly used methods for phosphorus removal mainly include biological methods, chemical precipitation methods, electrolysis methods, and adsorption methods, among which the adsorption method is an eff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/12C02F1/28B01J20/30C02F101/10
CPCB01J20/12B01J20/06B01J20/10C02F1/281C02F2101/105B01J2220/42
Inventor 梁宏彭红王兵李永涛
Owner SOUTHWEST PETROLEUM UNIV
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