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Alkaline clay prepared from activated clay wastewater and application of alkaline clay

A technology of alkaline clay and activated clay, applied in the direction of inorganic chemistry, non-metal elements, silicon compounds, etc., can solve the problems of modified bentonite alkali content, low activity index, short thermal stability time, etc.

Inactive Publication Date: 2017-11-17
广西汇智生产力促进中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved in the present invention is to provide a kind of alkaline clay prepared by using activated clay wastewater and its application, so as to solve the problems of modified bentonite alkali content, low activity index and short thermal stability time in the prior art

Method used

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  • Alkaline clay prepared from activated clay wastewater and application of alkaline clay
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Examples

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Effect test

Embodiment 1

[0035] A preparation method of modified bentonite heat-resistant agent, comprising the following steps:

[0036] S1: Mix bentonite and activated clay wastewater with a concentration of 2.4% at a weight ratio of 1:2.51, and stir evenly at a rotating speed of 300r / min to obtain slurry material A;

[0037] S2: The slurry material A prepared in step S1 is added to a mixed acid with a concentration of 7.2%, and the mixed acid is oxalic acid with a concentration of 14.3wt%, tartaric acid with a concentration of 30-36.2wt%, and citrate with a concentration of 21.7wt%. Acid mixed acid by volume ratio 1.8:2.5:1.2 composition, the weight ratio of slurry material A and mixed acid is 1:3.6, add ascorbic acid, molecular sieve catalyst and sodium gluconate stirring under the condition of 300r / min at rotating speed, ascorbic acid The weight ratio of , molecular sieve catalyst, sodium gluconate and slurry material A is 2.6-5.5:0.8-1.6:0.9-2:46.8-152, the microwave power is 125-180W, heated to...

Embodiment 2

[0048] A preparation method of modified bentonite heat-resistant agent, comprising the following steps:

[0049] S1: Mix bentonite and activated clay wastewater with a concentration of 12.2% in a weight ratio of 1.8:9.3, and stir evenly at a rotating speed of 400r / min to obtain slurry material A;

[0050] S2: the slurry material A that step S1 makes is joined in the mixed acid that concentration is 15%, and described mixed acid is the oxalic acid of concentration 17.2wt%, the tartaric acid of concentration 34.5wt%, the citrate of concentration 22wt%. Mixed acid with a volume ratio of 4.1:3.6:1.8, the weight ratio of slurry material A to mixed acid is 1.9:10, add ascorbic acid, molecular sieve catalyst and sodium gluconate under the condition of rotating speed of 400r / min and stir, ascorbic acid, molecular sieve catalyst 1. The weight ratio of sodium gluconate to slurry material A is 2.6-5.5:0.8-1.6:0.9-2:46.8-152, and the microwave power is 125-180W, heated to 83-95°C and kept...

Embodiment 3

[0061] A preparation method of modified bentonite heat-resistant agent, comprising the following steps:

[0062] S1: Mix bentonite and activated clay wastewater with a concentration of 20.2% in a weight ratio of 2.6:16, and stir evenly at a rotating speed of 500r / min to obtain a slurry material A;

[0063] S2: the slurry material A that step S1 makes is joined in the mixed acid that concentration is 22.4%, and described mixed acid is the oxalic acid of concentration 19.6wt%, the tartaric acid of concentration 36.2wt%, the citrate of concentration 22.3wt% Mixed acid composed of 6.3:5.2:2.6 by volume, the weight ratio of slurry material A to mixed acid is 2.8:17, add ascorbic acid, molecular sieve catalyst and sodium gluconate under the condition of 500r / min and stir, ascorbic acid, molecular sieve The weight ratio of catalyst, sodium gluconate and slurry material A is 2.6-5.5:0.8-1.6:0.9-2:46.8-152, and the microwave power is 125-180W, heated to 83-95°C, and kept at 83-95 Reac...

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Abstract

The invention discloses alkaline clay prepared from activated clay wastewater and an application of the alkaline clay and belongs to the technical field of deep processing of bentonite. The alkaline clay is prepared through material preparation, slurry preparation, acid activation reaction, filter pressing, alkalization and other steps. A modified bentonite heat resistant agent prepared from alkaline clay through modification is non-toxic, odorless, safe, environment-friendly and excellent in performance, the alkaline content reaches 50wt%-57wt%, the activity index is 97%-99%, and the thermal stable time is 169-176 min.

Description

【Technical field】 [0001] The invention belongs to the technical field of bentonite deep processing, and in particular relates to an alkaline clay prepared from activated clay wastewater and an application thereof. 【Background technique】 [0002] Bentonite is called natural nano material and universal clay. The quality of bentonite in my country is excellent, and its ore reserves rank second in the world. Except for a small amount of exports as raw materials for organic bentonite, the rest are sold domestically in the form of bentonite powder and activated clay. These products are primary products with low economic benefits and low resource utilization levels. . In order to obtain greater economic benefits, it is necessary to develop serialized new products with high-tech content and expand new areas of application. [0003] PVC (polyvinyl chloride) is a thermoplastic polymer produced by the polymerization of vinyl chloride. Because its products have the advantages of easy c...

Claims

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Application Information

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IPC IPC(8): C01B33/40
CPCC01B33/40
Inventor 梁胜仁
Owner 广西汇智生产力促进中心有限公司
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