News
07
2023
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10
Ceramic Flat Membrane: Preparation, Characteristics and Applications
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Ceramic flat membrane is a kind of thin film made of ceramic materials, and its production process includes the steps of batching, molding, drying and sintering. This article will introduce the relevant information of ceramic flat membrane, including its definition, characteristics, application fields and so on.
Definition of 1. ceramic flat membrane
A ceramic flat membrane is a thin film made of ceramic material, which is usually made by a sophisticated ceramic preparation process. Its basic structure consists of three layers: support layer, transition layer and separation layer. The support layer is the base layer of the film, which is responsible for providing mechanical support for the film; the transition layer is the intermediate layer connecting the support layer and the separation layer; the separation layer is the outermost layer of the film, which is responsible for the separation of substances.
Characteristics of 2. ceramic flat membrane
Manufacturing Process
The manufacturing process of ceramic flat membrane mainly includes the steps of batching, molding, drying and sintering. In the batching process, it is necessary to select suitable ceramic raw materials and mix them evenly; molding can be processed into thin film shapes by means of pressure filtration and impregnation; drying needs to control temperature and humidity to avoid defects such as cracks; sintering It is to improve the density and stability of the film.
Physical characteristics
The ceramic flat membrane has the characteristics of high light transmittance, high heat resistance, high corrosion resistance and high mechanical strength. The separation layer usually has a nanoscale pore size, which can achieve effective separation of substances with different molecular weights.
CHEMICAL CHARACTERISTICS
The chemical stability of the ceramic flat membrane is very good, and it can maintain stable performance in various chemical environments. For example, it can be used under the conditions of strong acid, strong alkali, high temperature and high pressure, so it is widely used in various chemical industry fields.
Application fields of 3. ceramic flat membrane
Waste water treatment
Ceramic flat membrane has a wide range of applications in the field of wastewater treatment. For example, it can be used to treat difficult industrial wastewater such as petrochemical wastewater and pharmaceutical wastewater. Through membrane separation technology, the harmful substances in wastewater can be effectively separated, so as to achieve the purpose of purifying wastewater.
pharmaceutical industry
Ceramic flat membranes also have important applications in the pharmaceutical industry. For example, it can be used in the preparation of high purity drugs. Through membrane separation technology, the impurities in the drug can be effectively separated, so as to obtain high purity drug products.
chemical industry
Ceramic flat membrane also has a wide range of applications in the chemical industry. For example, it can be used to separate gas and liquid mixtures, liquid and solid mixtures, etc. Through membrane separation technology, different substances can be effectively separated to obtain the required chemical products.
4. Case Study: Application of Ceramic Flat Membrane in Wastewater Treatment
Ceramic flat membrane was used to treat production wastewater in a petrochemical enterprise. The large amount of wastewater produced by the company every day contains harmful substances such as oil, suspended solids, and heavy metals. In order to meet the national emission standards, the enterprise adopts ceramic flat membrane for wastewater treatment.
The specific operation process is as follows: the wastewater is transported to the ceramic flat membrane equipment through the pipeline, and the harmful substances in the wastewater are separated by the membrane separation technology. Among them, the oil is separated and recycled, suspended solids and heavy metals and other harmful substances are effectively removed, and the purified wastewater is discharged.
In this case, the application of ceramic flat membrane realizes the efficient separation of harmful substances in wastewater, so as to achieve the purpose of purifying wastewater. At the same time, due to the high corrosion resistance and high stability of the ceramic flat membrane, it can be used for a long time in various harsh chemical environments, so it has high practical value and development prospects.
5. Summary
As a kind of high-performance ceramic film material, ceramic flat membrane has a wide range of applications in wastewater treatment, pharmaceutical, chemical and other fields. This paper introduces the definition, characteristics and application fields of ceramic flat membrane, and analyzes its application effect in wastewater treatment through a practical case. It can be found that the ceramic flat membrane has the advantages of high light transmission, high heat resistance, high corrosion resistance and high mechanical strength, and its manufacturing process and chemical characteristics also make it have high application value and development prospects in various fields.
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