Resourceful treatment method for hazardous waste in pharmaceutical industry

A technology for the pharmaceutical industry and treatment method, applied in chemical instruments and methods, treatment of hydrocarbon oil, petroleum industry, etc., can solve the problems of acid corrosion of equipment, waste of resources, increase of denitration pressure, etc., and achieve zero discharge of hazardous waste, saving effect of fuel

Pending Publication Date: 2022-03-18
中野环保科技(重庆)股份有限公司
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Problems solved by technology

[0008] (3) Chlorine-containing organic substances such as methylene chloride will produce HCl during incineration, which will not only cause acid corrosion to equipment, but also increase the pressure of tail gas deacidification and increase the amount of fly ash produced;
[0009] (4) Hazardous waste containing or

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  • Resourceful treatment method for hazardous waste in pharmaceutical industry

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with specific examples, so that those skilled in the art can better understand the present invention and implement it, but the given examples are not intended to limit the present invention.

[0035] Such as figure 1 A resource treatment method for hazardous waste in the pharmaceutical industry is shown, comprising the following steps:

[0036] (1) Sampling and detection of distillation range. Determine the condensation condition of the condenser according to the initial boiling point temperature, determine the vacuum drying conditions (vacuum degree, drying temperature) according to the distillation range range, and determine the processing capacity of low-temperature cracking according to the residue content.

[0037] (2) Send the fine distillation still residue and centrifuged mother liquor in the pharmaceutical industry to a vacuum dryer for drying.

[0038] (3) After the vaporized material obtai...

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Abstract

The invention discloses a resourceful treatment method for hazardous waste in the pharmaceutical industry. The resourceful treatment method comprises the following steps that (1) the hazardous waste in the pharmaceutical industry is fed into a vacuum drying machine to be dried; (2) condensing the vaporized material through a condenser to obtain a mixed solvent; (3) separating and refining the mixed solvent to obtain a regenerated solvent; (4) crushing the dried residues, mixing with a catalyst, and feeding into a low-temperature cracking furnace for catalytic cracking; and (5) condensing the cracking gas through a condenser, and fractionating to obtain fuel oil. According to the method, the residual organic solvent in the hazardous waste in the pharmaceutical industry is deeply recovered, macromolecular organic matters are further cracked to manufacture fuel oil, the hazardous waste in the pharmaceutical industry is recycled, and meanwhile, the emission of the hazardous waste in the pharmaceutical industry is reduced.

Description

technical field [0001] The invention belongs to the technical field of hazardous waste treatment, and in particular relates to a resource treatment method for hazardous waste in the pharmaceutical industry. Background technique [0002] Our country attaches great importance to energy conservation and environmental protection, and the requirements for the treatment of solid waste, especially hazardous waste, are getting higher and higher. The pharmaceutical industry is an industry that produces a large amount of hazardous waste, mainly including: waste organic solvents, fine distillation still residues, centrifuge mother liquor, filter residues, etc. [0003] It is relatively easy to realize recycling of waste organic solvents through conventional processes such as distillation, rectification, and extraction. [0004] For the distillation still residue and centrifuged mother liquor, due to the complex composition, in addition to a part of the organic solvent, it usually also...

Claims

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Application Information

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IPC IPC(8): C10B53/00C10B57/00C10B57/06C10G1/02B01D5/00C10G7/00
CPCC10B53/00C10B57/00C10B57/06C10G1/02B01D5/00C10G7/00C10G2300/1003
Inventor 俞孝冬陈中华
Owner 中野环保科技(重庆)股份有限公司
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