Organic strong acid dangerous waste liquid disposal method

Abstract

The invention discloses an organic strong acid dangerous waste liquid disposal method. The method comprises the following steps of selecting combustible organic strong acid dangerous waste liquid with a pH value less than 4, sampling and observing whether the organic strong acid dangerous waste liquid reacts with water, and if not, pumping the organic strong acid dangerous waste liquid through a diaphragm pump, and spraying the organic strong acid dangerous waste liquid into a rotary kiln through a spray gun for harmless disposal; if yes, continuously observing whether the organic strong acid dangerous waste liquid is dissolved with engine oil, if not, pumping the organic strong acid dangerous waste liquid through the diaphragm pump, spraying the organic strong acid dangerous waste liquid into the rotary kiln through the spray gun for harmless disposal, and before pumping the organic strong acid dangerous waste liquid, pumping the engine oil to lubricate a pipeline and the spray gun; and if yes, subpackaging the organic acid dangerous waste liquid into small packages, wherein the weight of the organic acid dangerous waste liquid in each small package is controlled to be not greater than 1 kg, meanwhile, adding solid oil-containing residues or sludge to be mixed and stirred into paste, and then putting the paste into the rotary kiln for harmless disposal. According to the disposal method, the disposal of the organic acid dangerous waste liquid is accelerated, meanwhile, the disposal requirements of reduction and harmlessness are met, and large fluctuation of online monitoring of CO data is avoided.

Description

technical field [0001] The invention belongs to the technical field of organic strong acid hazardous waste treatment, and in particular relates to a treatment method for organic strong acid hazardous waste liquid. Background technique [0002] Usually, hazardous waste liquids of organic strong acids need to be disposed of harmlessly through high-temperature incineration, pickling and other facilities, and discharged after reaching the standard, but no unified pretreatment plan has been formed. At present, the method of packaging into small packages is generally used for harmless feeding and disposal. In conventional small packages, dangerous waste liquids in glass bottles of 200mL, 500mL, and 1L are directly packed in cartons and sealed with tape. The packaging and disposal method prolongs the disposal time, increases the cost of packaging, is prone to deflagration, and the online monitoring CO data fluctuates significantly. Contents of the invention [0003] In order to ...

AI Technical Summary

Problems solved by technology

[0002] Usually, hazardous waste liquids of strong organic acids need to be disposed of harmlessly through high-temperature incineration, pickling and other facilities, and discharged after reaching the standard. However, a unified pretreatment plan has not been formed.

At present, the method of packaging into small packages is generally used for harmless feeding and disposal. In conventional small packages, dangerous waste liquids in glass bottles of 200mL, 500mL, and 1L are directly packed in cartons and sealed with tape. The packaging and disposal method prolongs the disposal time, increases the cost of packaging, is prone to deflagration, and the online monitoring CO data fluctuates significantly

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