Technology for treating initiating explosive material production waste water

A technology for treating process and producing wastewater, which is applied in the fields of water/sewage multi-stage treatment, oxidized water/sewage treatment, water/sludge/sewage treatment, etc. clear effect

Inactive Publication Date: 2014-07-16
GUIYANG HUOXINGYUAN ENVIRONMENTAL PROTECTION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the methods that have entered into productive application include: activated carbon adsorption method, electrolysis method, boiler evaporation method, ozone oxidation method, and precipitation method. Emission Standard" (GB14470.2-2002) requirements
However, most of these methods are in the experimental stage and have not yet entered the productive application

Method used

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  • Technology for treating initiating explosive material production waste water
  • Technology for treating initiating explosive material production waste water
  • Technology for treating initiating explosive material production waste water

Examples

Experimental program
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Effect test

Embodiment Construction

[0034] refer to figure 1 , according to the characteristics of the pyrotechnic agent production process, the wastewater generated in each process is collected into the adjustment tank for treatment. The specific treatment process is as follows: pump the wastewater from the adjustment tank into the reduction tank, add hydrochloric acid to adjust the pH value to ≤2, and add The reducing agent, the effluent flows into the reaction tank 1, and the coagulant PAM is added in the reaction tank 1, the effluent flows into the sedimentation tank 1 for mud-water separation, and the supernatant flows into the water collection well, and the waste water of the water collection well is pumped to the three-phase vulcanization oxidation The bed is oxidized for 3 hours, the effluent flows into the electro-induced three-dimensional three-phase fluidized oxidation bed, stays in the bed for 2.5 hours, and Ca(OH) is added to the effluent 2 Adjust the pH to 8-9, coagulation aid, the water after coag...

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Abstract

The invention relates to a technology for treating initiating explosive material production waste water. The technology is an environmentally friendly key treatment process aiming at waste water pretreatment and nitrophenol waste water in a production process of initiating explosive materials. According to the invention, the process technology has the advantages of clear and complete principles, continuous stable operation of the treatment system, no secondary pollution, COD less than 100mg / l, nitrophenol content less than 1mg / l, the chromaticity nearly zero, and no detectable sulfide. Product water treated by the technology can be directly used for production or greening and has an important meaning to an area with water shortage. A waste water treatment agent cost of the technology is only about 40 yuan per ton of waste water.

Description

technical field [0001] The invention relates to a treatment process for pyrotechnic agent production wastewater, in particular to a key treatment process for wastewater pretreatment and nitrophenol waste water in the production process of environmentally friendly pyrotechnic agent. Background technique [0002] The production process of pyrotechnic agents such as dinitrodiazophenol and trinitroresorcinol will produce a large amount of wastewater. The main pollutants of this type of wastewater are chemical oxygen demand (COD), chroma, and nitrophenols. However, nitrophenols contain benzene ring structure and nitro groups, which are highly chemically stable and toxic, completely different from general organic wastewater. Many enterprises producing pyrotechnic chemicals such as dinitrodiazophenol and trinitroresorcinol have long been troubled by the fact that COD and nitrophenols cannot meet the emission standards. [0003] Wastewater from pyrotechnics production has always be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/06C02F1/72
Inventor 周鹏陈克文田红翠
Owner GUIYANG HUOXINGYUAN ENVIRONMENTAL PROTECTION IND CO LTD
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