A kind of processing technology of waste picric acid

A processing technology and picric acid technology, which can be applied in the direction of combustion type, combustion method, lighting and heating equipment, etc., can solve the problems of high production cost, high risk of safe disposal, complex production process, etc., to achieve industrialized processing and improve safety. , the effect of ensuring safety

Active Publication Date: 2022-03-18
湖南瀚洋环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Picric acid has the following characteristics and properties: Picric acid, also known as 2,4,6-trinitrophenol, is a kind of explosive, abbreviated as TNP and PA, and its pure substance is slightly yellow crystal at room temperature. Trinitro-substitutes, affected by the electron-withdrawing effect of nitro, have strong acidity and strong bitter taste. Picric acid is insoluble in carbon tetrachloride, slightly soluble in carbon disulfide, and easily soluble in hot water, ethanol, ether , easily soluble in acetone, benzene and other organic solvents, taboo oxidants, alkalis, heavy metal powders, picric acid can be used in explosives, dye industries, and research in various scientific research institutes or colleges and universities, and there are more picric acid wastes produced every year However, compared with general waste hazardous chemicals, picric acid has a high risk of safe disposal due to its explosiveness. Currently, picric acid treatment methods include adsorption and catalytic degradation methods for picric acid wastewater. In the process of treatment, the production process is complicated, the production cost is high, and it is difficult to realize industrial promotion and processing, and the adsorbent after adsorption needs to be further processed, otherwise it will also pollute the environment and cannot achieve true harmless treatment. There is no relevant report on the treatment process of picric acid solid waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The treatment process of the waste picric acid described in the present embodiment may further comprise the steps:

[0022] 1) Put the acetone reagent into the sample bottle for later use; the sample bottle is a PP plastic bottle, the capacity of the sample bottle is 1L, the height of the sample bottle is 19cm, the diameter of the bottle body of the sample bottle is 9.5cm, and the diameter of the bottle mouth is 8cm. The height of the bottle body is 19cm, and the acetone reagent is of analytical grade, and 500ml of acetone reagent is filled in one sample bottle.

[0023] 2) Add waste picric acid to the sample bottle in step 1) to dissolve; 500ml of acetone reagent in the sample bottle corresponds to 25g of picric acid, which is the actual content of picric acid detected in the waste picric acid.

[0024] 3) Seal the sample bottle in step 2) and pack it into a carton, and then send it to the rotary kiln incineration system for incineration; the sample bottle is sealed an...

Embodiment 2

[0029] The treatment process of the waste picric acid described in the present embodiment may further comprise the steps:

[0030] 1) Put the acetone reagent into the sample bottle for later use; the sample bottle is a PP plastic bottle, the capacity of the sample bottle is 1L, the height of the sample bottle is 20cm, and the ratio of the diameter of the bottle body to the diameter of the bottle mouth is 1.1:1 , The acetone reagent is of analytical grade, and 500ml of acetone reagent is filled in a sample bottle.

[0031] 2) Add waste picric acid to the sample bottle in step 1) to dissolve; 500ml of acetone reagent in the sample bottle corresponds to 20g of picric acid, which is the actual content of picric acid detected in the waste picric acid.

[0032] 3) Seal the sample bottle in step 2) and pack it into a box, and then send it to the rotary kiln incineration system for incineration; the sample bottle is sealed and packed in a carton, one carton corresponds to a sample bot...

Embodiment 3

[0036] The treatment process of the waste picric acid described in the present embodiment may further comprise the steps:

[0037] 1) Put the acetone reagent into the sample bottle for later use; the sample bottle is a PP plastic bottle, the capacity of the sample bottle is 1L, the height of the sample bottle is 20cm, and the ratio of the diameter of the bottle body to the diameter of the bottle mouth is 1.2:1 , The acetone reagent is of analytical grade, and 500ml of acetone reagent is filled in a sample bottle.

[0038] 2) Add waste picric acid to the sample bottle in step 1) to dissolve; 500ml of acetone reagent in the sample bottle corresponds to 22g of picric acid, which is the actual content of picric acid in the waste picric acid tested.

[0039] 3) Seal the sample bottle in step 2) and pack it into a box, and then send it to the rotary kiln incineration system for incineration; the sample bottle is sealed and packed in a carton, one carton corresponds to a sample bottl...

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PUM

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Abstract

A process for treating waste picric acid, comprising the following steps: 1) putting acetone reagent into a sample bottle for standby; 2) adding waste picric acid into the sample bottle in step 1) for dissolution; 3) putting the waste picric acid in step 2) The sample bottle is sealed and packed, and then sent to the rotary kiln incineration system for incineration; the sample bottle is a combustible sample bottle. The overall process combination of the present invention can ensure the full combustion of picric acid, and at the same time ensure that the picric acid will not cause heat load shock and pressure shock to the rotary kiln incineration system after the feeding of picric acid during the combustion process, and ensure the safety of operation, suitable for picric acid Industrial processing of harmless treatment.

Description

technical field [0001] The invention relates to the technical field of hazardous waste treatment, in particular to a process for treating waste picric acid. Background technique [0002] Picric acid has the following characteristics and properties: Picric acid, also known as 2,4,6-trinitrophenol, is a kind of explosive, abbreviated as TNP and PA, and its pure substance is slightly yellow crystal at room temperature. Trinitro-substitutes, affected by the electron-withdrawing effect of nitro, have strong acidity and strong bitter taste. Picric acid is insoluble in carbon tetrachloride, slightly soluble in carbon disulfide, and easily soluble in hot water, ethanol, ether , easily soluble in acetone, benzene and other organic solvents, taboo oxidants, alkalis, heavy metal powders, picric acid can be used in explosives, dye industries, and research in various scientific research institutes or colleges and universities, and there are more picric acid wastes produced every year Ho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G7/00F23G5/20F23G5/44
CPCF23G7/00F23G5/20F23G5/44
Inventor 郭琳向杰鹏陈浩陈明杨武
Owner 湖南瀚洋环保科技有限公司
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