Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

Product Details
Customization: Available
Membrane Type: Hollow
Type: Gas-permeable membrane
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Manufacturer/Factory, Group Corporation
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Plant Area
90000 square meters
Management System Certification
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, HACCP, ISO 13485
  • Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
  • Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
  • Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
  • Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
  • Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
  • Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
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  • Overview
  • Technical Principle
  • Membrane Separation Process
  • Detailed Photos
  • Project Case
  • Company Profile
Overview

Basic Info.

Model NO.
WOBO-2512
Material
Hollow Fiber Polysulfone
Certification
ISO
Purity
95%-99.5%
Pressure
5bar-25bar
Warranty of Core Components
More Than 5 Years
Production Rate
99.8%
Core Components
Pressure Vessel. Hollow Fiber
Potting Materials
Epoxy
Characteristic1
Barrier Separation
Characteristic2
Simple Structure/Operation
Characteristic3
Dust-Free Sterility
Characteristic4
Low Energy Consumption
Characteristic5
Low Investment
Transport Package
Wooden Box
Specification
Customized Size
Trademark
WOBO
Origin
China
HS Code
8421991000
Production Capacity
5000 Pieces/Month

Product Description

Boiling Separation for Efficient Recovery! Innovative Tech for a Cleaner Production!

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

Technical Principle

The main function of the azeotropic separation membrane is to separate azeotropic substances generated in the production processes of industries such as chemical and pharmaceutical. It effectively breaks down the composition of azeotropic substances, and it can be coupled with distillation processes, significantly reducing the energy consumption of the original distillation unit, achieving energy savings, and lowering production costs. Additionally, it can be integrated with reactive distillation columns to form a membrane reactor, promoting the progress of reactions, increasing conversion rates, improving production capacity, and reducing costs.

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
The azeotropic separation membrane leverages the differential permeation rates of various components involved in the formation of binary (or multicomponent) azeotropes within the membrane. This allows for the redistribution of concentrations of binary
components on the upstream and downstream sides of the membrane, breaking the original azeotropic point. As a result, two streams of non-azeotropic materials are obtained, reducing the difficulty and energy consumption associated with material separation.

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane ModuleBest Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane ModuleBest Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane ModuleBest Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

Integrated Process Schematic

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

Integrated Process Flowchart

Model WB-LSGF-80
Product Specifications: Length/mm 802
Inner diameter/mm 7.3
Outer diameter/mm 12.8
Material High-purity aluminum oxide, zirconium oxide, polymers, etc.
Operating Parameters Operating method Cross-flow filtration
Installation Horizontal/Vertical
Permeation mode External pressure
Feed status Liquid/Gas
Feed temperature/°C 0~70
Operating pressure/MPa ≤1.0
pH range 1~14

Membrane Separation Process

Organic Azeotropic Separation
This device is a complete set of membrane separation equipment before entering the pressurized distillation. The core function of this device is to increase the concentration of DMC (dimethyl carbonate) in the DMC/methanol azeotropic composition. This effectively breaks down the original azeotropic composition of DMC/methanol, significantly reducing the energy consumption in the subsequent distillation stages.

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

Advantages of the System:

(1) The integrated new process of membrane and distillation allows the use of a lower-energy-consuming atmospheric pressure distillation column instead of a high-energy-consuming pressurized distillation column.


(2) After a single pass through the membrane in this process, a relatively high concentration of DMC (dimethyl carbonate) product can be obtained through distillation at lower pressures. In contrast, direct pressurized distillation inside a column requires multiple gas-liquid equilibrium stages to achieve DMC product.

(3) The entire operating conditions of the integrated new process involving membrane and distillation occur at positive pressure and around 70°C for the separation of DMC-methanol, while pressurized distillation columns require separation at high pressure and temperature around 170°C. Therefore, the new process effectively reduces operational energy consumption and enhances the safety of the entire system due to less stringent separation requirements.

(4) The new process is not only feasible but also economically advantageous.

DMC/Methanol Azeotropic Separation
The process involving a reaction tower, membrane, and pressurized tower, when compared to traditional methods, results in a cost saving of 61% per ton of DMC (dimethyl carbonate). For a set of membrane equipment with an annual production scale of 20,000 tons, this translates to an annual cost saving of over 15 million RMB. Breaking the azeotropic equilibrium system, this process efficiently achieves separation tasks that are challenging for traditional methods such as distillation, extraction, and adsorption, with high efficiency and low energy consumption.

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

 

Process Advantages:
 
* Short processing time
* High separation efficiency
* Low load on the pressurized tower
* Minimal intermediate circulation
* Increased production capacity of the reactive distillation column
* 70% reduction in energy consumption
Advantages and Functions
1). Utilizing azeotropic separation membranes breaks the bottleneck of methanol-dimethyl carbonate azeotropes, altering the relative volatility of azeotropic substances and reducing the difficulty of separation.
2). Employing azeotropic separation membrane coupling technology reduces the operating pressure of the high-pressure column (0.7→0.5 MPa), increasing the yield of dimethyl carbonate (37%→72%).
3). The membrane separation system, coupled with high-low pressure distillation columns, reduces steam consumption to only 30-50% of traditional variable pressure distillation processes. The processing capacity of the high-pressure column is only 40% of that in traditional variable pressure distillation processes, and the processing capacity of the atmospheric column is only 60%.
4). Through membrane-coupled processes, the purity of DMC (dimethyl carbonate) is further enhanced, enabling the production of battery-grade DMC.
5). Azeotropic membranes do not introduce impurities during the application process, enhancing product purity.
6). The separation process operates continuously at room temperature and atmospheric pressure, making it simple, highly safe, easily controllable, and energy-efficient.
7). Azeotropic membranes use ceramics as a support layer, providing high-temperature resistance, pressure resistance, and low resistance.
 

Azeotropic Systems Applicable:

Dimethyl Carbonate-Methanol Ethyl Acetate-Ethanol Water-2-Methylpyridine
Acetonitrile-Methanol Toluene-Methanol Propylene Glycol Methyl Ether-Water
Acrylonitrile-Methanol Propyl Ether-Methanol Ethylene Glycol-Chlorobenzene
Methyl Propionate-Methanol Toluene-Ethanol Formic Acid-N-Octane
Acetonitrile-Ethanol Ethyl Acetate-Ethanol Formic Acid-Chlorobenzene
Isopropyl Acetate-Methanol N-Octane-Ethanol Acetic Acid-Chlorobenzene
Acetone-Methanol Water-Pyridine Organic Acid-Organic Solvent, Etc.
 

Detailed Photos

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module

 

Project Case

 

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module
 

Company Profile

 

Customized on demand

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module


WOBO Group has been engaged in the cryogenic and air separation industry for decades. It operates a variety of products such as cryogenic vessels, air separation equipment, chemical storage and transportation equipment, etc. It has always been our aim to provide customers with the best products and solutions.

WOBO Group has technically cooperated with a number of large-scale famous membrane manufacturers, and jointly developed with well-known domestic universities and colleges, and established a comprehensive laboratory for production inspection and testing. At present, WOBO membranes have been applied in more than 30 countries around the world.

Best Choice Alcohol Permeation Membrane Ethyl Acetate-Ethanol Close-Boiling Point Membrane Module


Why choose us?

WOBO offers tailor-made solutions regardless of size, quantity or special requirements. In addition to a complete range of standard products, WOBO will always actively and timely meet the various needs of customers.

Regional advantage
Having successfully established its own business in the Asia Pacific region, WOBO has a wealth of knowledge and experience in the local market to provide and perfect competitive cost-effective solutions for customers.WOBO has exported products and systems to more than 20 countries including China, Japan, Australia, Turkey, the United Kingdom, and the United States.

Technological innovation
More than 18 years of rich cases have been accumulated through continuous cooperation with our loyal customers. Continuous testing and improvement, coupled with continuous R&D investment, has enabled WOBO to have a wealth of patented products and solutions.

Professional comprehensive team service
WOBO's team of R&D experts has the most professional experience and is responsive to customers' needs. From design and manufacturing to fully tailored solutions to operational training and consulting services, WOBO  is a one-stop supplier for all of our customers' gas separation requirements.

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