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Professor Qin Peiyong's team from Beijing University of Chemical Technology JMCA: Preparation of polymer membranes using the "self initiation self polymerization" method for pervaporation separation of bioethanol

Professor Qin Peiyong's team from Beijing University of Chemical Technology JMCA: Preparation of polymer membranes using the "self initiation self polymerization" method for pervaporation separation of bioethanol

The energy crisis and environmental issues continue to constrain the sustainable development of the economy and society. As an effective substitute for fossil energy, biomass energy is of great significance in optimizing energy structure, reducing greenhouse gas emissions, and solving the problems of agriculture, rural areas

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2022

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08

Pervaporation ceramic membrane

Pervaporation ceramic membrane

Pervaporation ceramic membrane is a silicon aluminate crystal with a regular microporous structure. In addition to the advantages of general inorganic membranes, it also inherits the characteristics of molecular sieves, and its uniform pore size distribution provides good selectivity and adsorption performance; The interconnected pore structure in three-dimensional space enables rapid gas diffusion; Zeolite intergranular pores can be modified to enhance their selective adsorption properties. Pervaporation ceramic membranes have become very promising membrane materials.

23

2022

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02

The specific use of pervaporation membrane separation technology in petrochemical industry

The specific use of pervaporation membrane separation technology in petrochemical industry

Pervaporation membrane mainly refers to the entire process of separating the basic components of a specific liquid mixture and their differences in dispersion and solubility through the membrane. During this period, the solution is continuously involved, and the principle of pervaporation is used to improve the partial pressure of the components. Due to the influence of partial pressure, the membrane will provide corresponding treatment to the specific substances left in the specific solution to improve the vaporization separation effect in the specific solution. The membranes used in pervaporation membrane separation technology are generally divided into three types, namely organic membranes, inorganic membranes, and organic inorganic composite membranes. Organic membranes were widely used in industrial production at that time, and their effectiveness in improving production quality cannot be ignored. Along with the continuous rise of science and technology, people gradually applied more technological means. Therefore, the pervaporation membrane separation technology was also continuously strengthened.

22

2020

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10

Introduction to the Application of Pervaporation and Steam Permeation Processes in Molecular Sieve Membrane Dehydration

Introduction to the Application of Pervaporation and Steam Permeation Processes in Molecular Sieve Membrane Dehydration

I'm not sure if you understand membrane dehydration. In short, membrane dehydration is an emerging membrane separation technology. Among them, the current mainstream membrane material is NaA molecular sieve membrane, and whether the process can achieve energy conservation and high output value is crucial. What is a molecular sieve membrane and its characteristics? What is the difference between pervaporation and steam infiltration processes? Today, Xinyuan's engineers will answer these questions.

08

2021

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09

Method and Process for Ethanol Dehydration to Produce Ethylene

Method and Process for Ethanol Dehydration to Produce Ethylene

Ethylene is a very important basic raw material for petrochemical industry, and its bulk downstream products mainly include polyethylene, polyvinyl chloride, ethylene oxide, ethylene glycol, styrene, vinyl acetate, etc.

20

2019

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06

What are the main application areas of membrane separation technology

What are the main application areas of membrane separation technology

In recent years, membrane separation technology has been widely applied in various fields, with characteristics such as good separation effect, high efficiency, and the ability to refine and purify. With the rapid development of membrane separation technology, the application fields of membrane separation technology are also constantly expanding. Below, the editor will give you a specific introduction.

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2019

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06

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