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Method for preparing refining agent by utilizing regenerated industrial salt

An industrial salt and refining agent technology, which is applied in the fields of sulfide preparation, textile and paper making, fiber treatment, etc., can solve the problems of not meeting the green and low-carbon technology, not having the conditions for direct application, and high energy consumption, and achieving simplified operation, Reduce process cost and solve the effect of high energy consumption

Pending Publication Date: 2022-02-08
内蒙古中泰汇金环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The industrial waste salt after harmless treatment often contains some heavy metal impurities and does not meet the conditions for direct application. The current soybean recrystallization method will be affected by the use of various components of the waste salt, which consumes a lot of energy and does not meet the green and low-carbon process. requirements

Method used

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  • Method for preparing refining agent by utilizing regenerated industrial salt
  • Method for preparing refining agent by utilizing regenerated industrial salt
  • Method for preparing refining agent by utilizing regenerated industrial salt

Examples

Experimental program
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Effect test

Embodiment 1

[0031] A method for preparing refining agent by utilizing regenerated industrial salt, the scheme is:

[0032] Add 100kg of tap water to the preparation kettle, add 10kg of recycled industrial salt, stir and mix evenly, add 0.5kg of vulcanizing agent, stir at 35°C for 30min, then add 2kg of suspension with a mass percentage content of 1.5% to the preparation kettle, Stir and coagulate for 20 minutes, filter out the coagulation, then add the filtrate to the mixing tank, add 6kg of sucrose fatty acid ester and 11kg of polyoxyethylene ester, stir and mix at 35°C for 10 minutes, then add 0.1kg of defoamer, and mix well Finally, adjust the pH value to 10 with a sodium hydroxide solution with a mass percentage content of 10%, then add 3.8kg of synergist, stir and mix uniformly to obtain the described refining agent; it is characterized in that the described vulcanizing agent is a A highly reactive heavy metal vulcanizing agent is prepared according to the following method:

[0033]...

Embodiment 2

[0040] A method for preparing refining agent by utilizing regenerated industrial salt, the scheme is:

[0041] 140kg of tap water was added to the preparation kettle, 15kg of regenerated industrial salt was added, after stirring and mixing evenly, 2.4kg of vulcanization agent was added, and after stirring at 45°C for 40min, 4kg of a suspension with a mass percentage content of 2.5% was added to the preparation kettle. Stir and coagulate for 25 minutes, filter out the coagulation, then add the filtrate to the mixing tank, add 9kg of sucrose fatty acid ester and 18kg of polyoxyethylene ester, stir and mix at 45°C for 20 minutes, then add 0.2kg of defoamer, and mix well Finally, adjust the pH value to 12 with a sodium hydroxide solution with a mass percentage content of 15%, then add 5.2kg of synergist, stir and mix uniformly to obtain the described refining agent; it is characterized in that the described vulcanizing agent is a A highly reactive heavy metal vulcanizing agent is pr...

Embodiment 3

[0049] A method for preparing refining agent by utilizing regenerated industrial salt, the scheme is:

[0050] Add 180kg of tap water into the preparation kettle, add 20kg of recycled industrial salt, stir and mix evenly, add 3kg of vulcanizing agent, stir at 55°C for 60min, then add 6kg of suspension with a mass percentage content of 4.5% into the preparation kettle, and stir After 30 minutes of coagulation, filter out the coagulation, then add the filtrate into the mixing tank, add 12kg of sucrose fatty acid ester and 24kg of polyoxyethylene ester, stir and mix at 55°C for 30 minutes, then add 0.5kg of defoamer, and mix well Adjust the pH value to 13 with a sodium hydroxide solution with a mass percentage content of 20%, then add 8.2kg of synergist, stir and mix uniformly to obtain the refining agent; it is characterized in that the vulcanizing agent is a The highly reactive heavy metal vulcanizing agent is prepared according to the following method:

[0051] Grind 180kg of...

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Abstract

The invention relates to the field of refining agent preparation, discloses a method for preparing a refining agent by utilizing regenerated industrial salt, relates to a technology for directly utilizing the regenerated industrial salt, and fills the current technical blank. The method solves the problem that a large amount of heavy metal remains in the refining agent prepared from the regenerated industrial salt, and breaks a key barrier for directly utilizing the regenerated industrial salt; according to the method, the problem of heavy metal residues can be solved through simple and rapid reduction, coagulation and filtration operation, the obtained filtrate is directly used for preparing the refining agent, the technological process design is reasonable, the problem of high energy consumption of recycling of regenerated industrial salt is solved to the maximum extent, the treatment process is shortened, the operation is simplified, and the technological cost is reduced.

Description

technical field [0001] The invention relates to the field of refining agent preparation, in particular to a method for preparing refining agent by utilizing recycled industrial salt. Background technique [0002] The solid waste salt produced by industrial activities can usually be classified as hazardous waste, and there are quite a few technologies to regenerate the waste salt. [0003] CN102815845A provides a recycling treatment and phosphorus recovery technology of high phosphorus salt organic industrial wastewater, including sequentially connected high mass transfer hydrolysis preconditioning tank, electrocoagulation turbulent flow sedimentation tank, limited aeration MBR tank and terminal reverse osmosis device . Through the enhancement of mechanisms such as efficient pre-degradation of phosphorus-containing organic matter, electro-flocculation turbulent sedimentation, and limited aeration in MBR tanks, nitrogen and phosphorus removal and regeneration treatment of hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/13D06M11/65D06M11/53D06M13/272C07C319/18C07C323/66
CPCD06M11/13D06M11/65D06M11/53D06M13/272C07C319/18C07C323/66
Inventor 杨华刘杰葛银行陈红利聂斌
Owner 内蒙古中泰汇金环保科技有限公司
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