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Hubei Sanli Fengxiang Technology Co., Ltd

Response Time: < 24h

Response Rate: 100%

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Dioxolane Plant

  • Min. Order:1 Acre(s)
  • Date of Delivery:120 days
  • Payment Type:L/C, T/T
  • Port:Shanghai
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Hubei Sanli Fengxiang Technology Co., Ltd
Jiangsu, China
  • Response Time: < 24h
  • Response Rate: 100%
Main Products: Methyl Acetate Plant, Phenol Alkylation Technology
Overview
Model No.: 1 Brand: Sanli Fengxiang Place of Origin: China
Specifications

Dioxolane Plant

Proprietary Technology and Plants

Technology Introduction:

As the second monomer for polyacetal(POM) production,1,3-dioxolane has attracted great attention in recent years due to the expansion of its application, such as the solvent for grease, dyes, cellulose derivatives, polymers and etc, the stabilizer for trichloroethane, components of photosensitiser. There are usually two processes for 1,3-dioxolane production, one uses paraformaldehyde and MEG as the feedstock, while the other starts from concentrated formalin and MEG. SL Tech has been specialized in dioxolane production since 2008 based on concentrated formalin and MEG. In detail, in presence of concentrated sulfuric acid catalyst, enriched formalin and MEG reacts with each other @ 90-100oC atmospheric pressure, the resulting mixture is charged to Enrichment Unit, Extraction Unit, Heavy Components Distillation Unit and Light Components Distillation Unit in subsequence to get the finished 1,3-dioxolane product

Technical Features:

Compared to the other route beginning from paraformaldehyde and MEG, the process SL TEC provides has advangages as below:

1. It has no formalin polymerization, paraformaldehyde drying and aging units, thereby, the investment and the production cost is much lower.

2. It uses concentrated sulfuric acid as the catalyst, which has a higher conversion yield.

Performance:

1. Product Specification

S/N

Item

Index

1

Purity%       ≧

99.9

2

Acidity    ppm≤

10

3

Moisture  ppm≤

50

4

Peroxide  ppm≤

30

5

Non-volatile matter  mg/100mL

25

6

Color (Pt-Co)  ≤

10

 

2. Specific Consumption

S/N

Item

Consumption Rate

1

37% formalin 
   (mt/ mt of 99.9% 1,3-dioxolane)

1.3

2

99% MEG 
   (mt/mt of 99.9% 1,3-dioxolane)

0.66

3

Electricity 
   (KWH/mt of 99.9% 1,3-dioxolane)

20

4

Steam 
   (mt/mt of 99.9% 1,3-dioxolane)

2

5

98% Sulfuric Acid 
   (mt/mt of 99.9% 1,3-dioxolane)

 

6

40% Sodium Hydroxide 
   (mt/mt of 99.9% 1,3-dioxolane)

0.3



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