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Regeneration method and system for emulsion containing heavy metal ions

A technology of heavy metal ion and regeneration system, applied in the field of waste emulsion treatment, can solve the problems of decreased stability and uniformity of emulsion, destruction of emulsion oil-water two-phase uniformity, and waste of lubricant environment, etc. The effect of improving utilization and saving resources

Inactive Publication Date: 2019-08-16
TIANJIN TSINGKE ENVIRONMENTAL PROTECTION TECH CO LTD +2
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Problems solved by technology

[0002] In industries such as machining and steel wire drawing, emulsions are often used as lubricants, and mechanical parts and steel wires contain a large amount of heavy metal ions such as copper and zinc. These ions will accumulate in the emulsion for a long time during metal drawing or cutting. The uniformity of the oil-water two-phase in the emulsion is destroyed, the stability and uniformity of the emulsion decrease, and finally the lubrication effect is lost
Therefore, the emulsion will lose its effect after being used for a period of time, and a new lubricant needs to be replaced. In the prior art, the lubricant is often discarded directly after it fails, which will cause waste of lubricant and environmental pollution. Therefore, , it is necessary to develop a regeneration method for the emulsion lubricant, so that the invalid lubricant can return to the stable state of uniform emulsification after treatment, and can be used again as a new lubricant, so that the emulsion can be recycled and the emulsification can be improved. Improve the utilization rate of liquid, save raw materials and reduce environmental pollution

Method used

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  • Regeneration method and system for emulsion containing heavy metal ions
  • Regeneration method and system for emulsion containing heavy metal ions
  • Regeneration method and system for emulsion containing heavy metal ions

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Embodiment Construction

[0031] Unless otherwise defined, the technical terms used in the following embodiments have the same meaning as commonly understood by those skilled in the art to which the present invention belongs. The test reagents used in the following examples, unless otherwise specified, are conventional biochemical reagents; the experimental methods, unless otherwise specified, are conventional methods.

[0032] The present invention will be described in detail below in conjunction with the embodiments and accompanying drawings.

[0033] Such as figure 1 with figure 2 Shown, a kind of regeneration system that contains the emulsion of heavy metal ion, comprises settling tank 1, primary filter 2, secondary filter 3, tertiary filter 4 that are communicated with pipeline successively; Storage tank 9 and solid phase extraction Tower 6; the filtrate outlet of the three-stage filter 4 is communicated with the storage tank 9 through a pipeline, and the liquid outlet of the storage tank 9 is ...

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Abstract

The invention provides a regeneration method and system for an emulsion containing heavy metal ions. The regeneration method for the emulsion containing the heavy metal ions comprises the following steps: (1) performing pretreatment on a waste emulsion: performing sedimentation treatment on the waste emulsion, and performing filtration on the supernatant obtained after the sedimentation to removesolid impurities; and (2) performing solid-phase extraction on the pre-treated waste emulsion by adopting an extraction agent to remove the heavy metal ions in the waste emulsion. The regeneration method for the emulsion containing the heavy metal ions provided by the invention can restore the emulsion which loses a lubricating effect to a stable and uniform emulsified state, and the emulsion canbe recycled.

Description

technical field [0001] The invention belongs to the field of waste emulsion treatment, in particular to a method and system for regenerating emulsion containing heavy metal ions. Background technique [0002] In industries such as machining and steel wire drawing, emulsions are often used as lubricants, and mechanical parts and steel wires contain a large amount of heavy metal ions such as copper and zinc. These ions will accumulate in the emulsion for a long time during metal drawing or cutting. The uniformity of the oil-water two-phase in the emulsion is destroyed, the stability and uniformity of the emulsion decrease, and finally the lubrication effect is lost. Therefore, the emulsion will lose its effect after being used for a period of time, and a new lubricant needs to be replaced. In the prior art, the lubricant is often discarded directly after it fails, which will cause waste of lubricant and environmental pollution. Therefore, , it is necessary to develop a regene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M175/00C10N40/24C10N40/22
CPCC10M175/0016C10M175/005C10N2040/22C10N2040/24
Inventor 汪家道杜川毛海欣
Owner TIANJIN TSINGKE ENVIRONMENTAL PROTECTION TECH CO LTD
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