PRESENT SITUATION AND COUNTERMEASURES OF WASTE SALT PRODUCTION, UTILIZATION AND DISPOSAL IN PESTICIDE INDUSTRY

HAO Ya-qiong; LIU Hong-bo; DIE Qing-qi; HUANG Qi-fei; YANG Yu-fei

doi:10.13205/j.hjgc.202112022

Volume 39 Issue 12

Mar. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(12): 148-152

HAO Ya-qiong, LIU Hong-bo, DIE Qing-qi, HUANG Qi-fei, YANG Yu-fei. PRESENT SITUATION AND COUNTERMEASURES OF WASTE SALT PRODUCTION, UTILIZATION AND DISPOSAL IN PESTICIDE INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 148-152. doi: 10.13205/j.hjgc.202112022

Citation:

HAO Ya-qiong, LIU Hong-bo, DIE Qing-qi, HUANG Qi-fei, YANG Yu-fei. PRESENT SITUATION AND COUNTERMEASURES OF WASTE SALT PRODUCTION, UTILIZATION AND DISPOSAL IN PESTICIDE INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 148-152. doi: 10.13205/j.hjgc.202112022

Citation:

HAO Ya-qiong, LIU Hong-bo, DIE Qing-qi, HUANG Qi-fei, YANG Yu-fei. PRESENT SITUATION AND COUNTERMEASURES OF WASTE SALT PRODUCTION, UTILIZATION AND DISPOSAL IN PESTICIDE INDUSTRY[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 148-152. doi: 10.13205/j.hjgc.202112022

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PRESENT SITUATION AND COUNTERMEASURES OF WASTE SALT PRODUCTION, UTILIZATION AND DISPOSAL IN PESTICIDE INDUSTRY

doi: 10.13205/j.hjgc.202112022

China State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Hazardous Waste Identification and Risk Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China

Received Date: 2021-01-27
Available Online: 2022-03-30
Publish Date: 2022-03-30

Abstract

Abstract

Waste salt is the key hazardous waste in the pesticide industry, which is also the main bottleneck of the healthy development of the pesticide industry. The production status of pesticide waste salt was introduced, including the various kinds and large production volume, various production processes and types of pollutants, and great potential harm to the ecological environment and human body. At present, the pretreatment technologies to eliminate pollutants were pyrolysis carbonization, high temperature melting and organic matter oxidation. Based on the current situation of production and pretreatment, the utilization and disposal of waste salt including the production of chlor-alkali, soda ash, snow melting agent and cement grinding aid, as well as temporary storage in storehouse and landfill. In view of the problems existing in the utilization and disposal of waste salt, some suggestions on improving the utilization rate of waste salt and strengthen the safe disposal were put forward, which mainly included four aspects: 1) collect the waste salt after classification to avoid salt mixing and reduce the difficulty of pretreatment; 2) establish pollution control standards or technical specifications to prevent and control environmental risks in the process of waste salt utilization; 3) establish "point-to-point" directional utilization mode and centralized utilization mode in the industrial park, to improve the utilization rate of waste salt; 4) carry out environmental risk assessment of waste salt discharged into the sea to promote the return of salt to nature.
- pesticide waste salt,
- hazardous waste,
- chlor-alkali,
- soda ash,
- discharge into the sea

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References(29)

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