Myristic acid is a common saturated fatty acid widely used in the production of chemicals, mainly used as a production of surfactants, plastic plasticizers, fragrances and so on. Below is a paper on the method of manufacturing myristic acid for your reference.
Methods for the Manufacture of Myristic Acid
Abstract: This paper describes the methods for the manufacture of myristic acid, including various process routes such as esterification, saponification and biofermentation. The advantages and disadvantages of the various methods are analyzed by comparing the different manufacturing methods, which provides a reference for choosing a suitable process route in actual production.
Keywords: myristic acid, manufacturing method, esterification method, saponification method, biofermentation method
Introduction
Myristic acid (MYA) is a saturated fatty acid containing 14 carbon atoms, which has a high melting point and stability, and is widely used in the field of chemical production. In order to better meet the market demand and improve the production efficiency and quality of myristic acid, it is of great significance to study its manufacturing method. In this paper, several common manufacturing methods of myristic acid will be introduced and comparatively analyzed.
I. Esterification method
Esterification method is a common manufacturing method of myristic acid, which mainly takes myristyl alcohol as raw material and produces myristic acid through esterification reaction. The specific steps are as follows:
1. Mix myristyl alcohol with acid catalyst such as sulfuric acid, heat to a certain temperature, and carry out the esterification reaction.
2. At the end of the reaction, the catalyst is washed and neutralized with water and distilled to obtain a crude product of myristic acid.
3. The crude product is subjected to further refinement, such as crystallization and decolorization, to obtain myristic acid of higher purity.
The esterification method has the advantages of simple process and easy availability of raw materials, but the production process produces a large amount of wastewater, and the equipment corrosion is more serious.
Two, saponification method
Saponification method is to use glycerol ester of myristic acid as raw material, through the saponification reaction to produce myristic acid. Specific steps are as follows:
1. Mix glyceryl myristate with alkaline catalysts such as sodium hydroxide, heat to a certain temperature and carry out saponification reaction.
2. After the reaction, the catalyst is neutralized with an acid such as hydrochloric acid, and operations such as separation and washing are carried out to obtain myristate.
3. Acidolysis reaction is carried out on the myristate to obtain the crude product of myristic acid.
4. The crude product is subjected to a refining process to obtain myristic acid of higher purity.
The saponification method has high yield and purity, but the production process produces a large amount of waste lye, which needs to be properly disposed of.
III. Bio-fermentation method
Bio-fermentation method is a method of producing myristic acid by microbial fermentation. The specific steps are as follows:
1. Mix the nutrients such as glucose and other carbon sources, nitrogen sources, inorganic salts and other nutrients with microbial strains, and carry out fermentation culture.
2. Under suitable conditions, the microorganisms convert the nutrients into myristic acid.
3. Myristic acid is isolated from the fermentation broth by centrifugation, extraction and other operations.
4. The myristic acid is further refined to obtain a product with higher purity.
The biofermentation method has the advantages of environmental protection and energy saving, but the production process is long and needs to control the growth and metabolic process of microorganisms, which is technically difficult.
Conclusion
There are various methods for manufacturing myristic acid, including esterification, saponification and biofermentation. Different methods have different advantages and disadvantages, and a suitable process route should be selected according to the actual production requirements. In the future, with the continuous progress of science and technology and the improvement of environmental protection consciousness, the environmentally friendly and energy-saving manufacturing methods, such as biofermentation method, will be more widely used.
