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Methylal Refining Technology 1
  • Methylal Refining Technology 1

Methylal Refining Technology

Model:-
Brand:Sanli Fengxiang
Origin:Made In China
Category:Industrial Supplies / Animal Husbandry Equipment
Label:Methyl Acetate Plant , Phenol Alkylation Te , Hydrogen Peroxide Pl
Price: -
Min. Order:1 pc
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Product Description

Methylal Refining Technology

Proprietary Technology and Plants

Technical Features:

Methaldehyde has excellent physical and chemical properties, that is good solubility, low boiling point, and water compatibility can be widely used in cosmetics, pharmaceuticals, household goods, automotive supplies, pesticides, leather polish, cleaning agents, rubber Industrial, paint, paint, ink and other products, but also because the methyl acetal has a good ability to oil and volatile, as a cleaning agent can replace F11 and F113 and chlorine solvent, it is an alternative to freon, reduce volatile organic compounds (VOCs ) Emissions of environmentally friendly production.

 

As the methyl acetal and water, methanol to form azeotrope, the traditional distillation method can only get about 92% of the methylaldehyde ternary azeotrope. However, in the methylal industry, in addition to part of the solvent uses 85% -93% purity, the rest need more than 99% purity of the methyl acetal products. At present, the industrial formaldehyde refining methods are mainly salt distillation, liquid-liquid extraction, ion exchange, adsorption and pressure distillation method.

 

Technology Introdction:

The characteristics of these methods are summarized as follows:

No.

Process

Feature

1

Salt distillation method

The separation process is complex and the    operation is demanding
     Waste treatment is complex, has been gradually    eliminated

2

Liquid - liquid extraction

Through the introduction of the third    component refined methyl acetal, need to supporting the extraction agent    recovery device
     Disadvantages: equipment investment,    operational energy consumption, the introduction of new impurities into the    product

3

Ion    exchange method

The crude acetal crude product has passed    the strong alkaline anion exchange resin column, strong acid cation exchange    resin column to obtain high purity products
     Disadvantages: limited processing    capacity, resin recycling costs are high

4

Adsorption method

The separation of the alcohol and methyl    acetal by molecular sieve was used to separate high purity methylal
     Disadvantages: limited handling capacity,    one-time investment in adsorbents and high regeneration costs

5

Transformed distillation

The use of atmospheric pressure and high    pressure, methyl acetal/methanol/water azeotropic composition changes, to    achieve methylal refining
     The separation efficiency of the    equipment is relatively high

https://www.slchemtech.com/hydrogen-peroxide-manufacturing-plant/ 


Payment Terms:TT, LC

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Hubei Sanli Fengxiang Technology Co., Ltd

Room 906, Pin an Fortune Center, Jinrong 1Road,Jinrong Block, Binhu District,

Phone:
86-5100-85120985
Fax:
中国
Contact:
Jorn (manager)
Mobile:
18961710560

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