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Preparation process of lithium-based bentonite

A technology for lithium-based bentonite and a preparation process is applied in the field of lithium-based bentonite preparation technology, which can solve the problems of weak lithiation performance and low efficiency, and achieve the effects of improving the lithiation modification effect, reducing processing costs and improving work efficiency.

Active Publication Date: 2017-05-24
芜湖恒杰膨润土科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a preparation process of lithium-based bentonite, through the process of primary lithiation and secondary lithiation, supplemented by heating, so that bentonite is modified by lithiation agent, and the process is simple , the performance of the prepared lithium-based bentonite is better, which solves the problem of weak lithiation performance and low efficiency in the preparation process of lithium-based bentonite

Method used

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Embodiment 1

[0017] This embodiment provides a preparation process of lithium-based bentonite, the preparation process is as follows:

[0018] Step 1: Screening bentonite raw materials mined from bentonite mines to remove impurities to obtain bentonite raw materials;

[0019] Step 2: Collect the bentonite raw material in the air for 30 hours and send it to a pulverizer for grinding;

[0020] Step 3: adding a lithiation agent to the pulverized bentonite raw material, and stirring the raw material added with the lithiation agent;

[0021] Step 4: Spread the evenly stirred raw materials evenly, and heat them with hot air;

[0022] Step 5: Evenly spray a layer of lithiation agent on the surface of the heated bentonite, cover the surface of the lithiation agent with an isolation layer, and reheat it;

[0023] Step 6: send the second-heated bentonite to the packaging device for packaging after naturally returning to temperature, and complete the preparation.

[0024] When hot air heating is u...

Embodiment 2

[0026] This embodiment provides a preparation process of lithium-based bentonite, the preparation process is as follows:

[0027] Step 1: Screening bentonite raw materials mined from bentonite mines to remove impurities to obtain bentonite raw materials;

[0028] Step 2: Collect the bentonite raw material in the air for 24 hours and send it to a pulverizer for grinding;

[0029] Step 3: adding a lithiation agent to the pulverized bentonite raw material, and stirring the raw material added with the lithiation agent;

[0030] Step 4: Spread the evenly stirred raw materials evenly, and heat them with hot air;

[0031] Step 5: Evenly spray a layer of lithiation agent on the surface of the heated bentonite, cover the surface of the lithiation agent with an isolation layer, and reheat it;

[0032] Step 6: send the second-heated bentonite to the packaging device for packaging after naturally returning to temperature, and complete the preparation.

[0033] When hot air heating is u...

Embodiment 3

[0035] This embodiment provides a preparation process of lithium-based bentonite, the preparation process is as follows:

[0036] Step 1: Screening bentonite raw materials mined from bentonite mines to remove impurities to obtain bentonite raw materials;

[0037] Step 2: Collect the bentonite raw material in the air for 36 hours and send it to a pulverizer for grinding;

[0038] Step 3: adding a lithiation agent to the pulverized bentonite raw material, and stirring the raw material added with the lithiation agent;

[0039] Step 4: Spread the evenly stirred raw materials evenly, and heat them with hot air;

[0040] Step 5: Evenly spray a layer of lithiation agent on the surface of the heated bentonite, cover the surface of the lithiation agent with an isolation layer, and reheat it;

[0041] Step 6: send the second-heated bentonite to the packaging device for packaging after naturally returning to temperature, and complete the preparation.

[0042] When hot air heating is u...

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Abstract

The invention provides a preparation process of lithium-based bentonite. The preparation process comprises the following steps: performing primary lithiation and secondary lithiation, heating for assisting, and modifying bentonite by using a lithiation agent. The preparation process is simple; the prepared lithium-based bentonite is good in performance; and when in the secondary lithiation, the bentonite is wrapped by an isolation layer, so that the lithiation modification effect of the bentonite is improved, the working efficiency is improved, and the processing cost is reduced.

Description

technical field [0001] The invention relates to the field of bentonite manufacture, in particular to a preparation process of lithium-based bentonite. Background technique [0002] At present, when manufacturing lithium-based bentonite, two modification methods, dry method and wet method, are usually used, but when the current preparation process is prepared, the lithium-based bentonite prepared has a weak lithiation performance, and the modified It is necessary to use a large amount of water or more labor to monitor the modified bentonite and complete the modification work, and the work efficiency is low. Therefore, it is particularly important to solve the problems of poor lithiation performance and low efficiency in the preparation process of lithium-based bentonite. Contents of the invention [0003] In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a preparation process of lithium-based bentonite, th...

Claims

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Application Information

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IPC IPC(8): C01B33/40
CPCC01B33/40
Inventor 汪元良
Owner 芜湖恒杰膨润土科技有限公司
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