Phenol ketone products

Plastic rubber

Current Location： Home > News > Chemical Knowledge > Production and manufacturing method and process flow of palmitic acid

[Chemical Knowledge]：Production and manufacturing method and process flow of palmitic acid

Read： 1045 Time：14months ago Source：Transform the World with Simplicity

The manufacturing method
of palmitic acid
1. Introduction

palmitic acid is a common saturated fatty acid, molecular formula C16H32O2, widely exists in animal and vegetable oils. In the field of chemical production raw materials, palmitic acid has important application value, can be used in the production of soap, lubricants, plastic plasticizers and so on. This article will introduce the manufacturing method of palmitic acid, including raw material preparation, reaction process, post-treatment and so on.

2. Raw Material Preparation

1. Stearic acid: Stearic acid is the main raw material of palmitic acid, which can be obtained by hydrolysis of animal and vegetable oils or fatty acid distillation.
2. Sodium hydroxide: Sodium hydroxide is used as an alkali catalyst to promote the saponification reaction of stearic acid.

3. reaction process

1. Saponification reaction: add stearic acid and sodium hydroxide into the reactor according to a certain proportion, heat and stir, so that the saponification reaction of stearic acid and sodium hydroxide occurs to generate sodium stearate.
2. Acidification reaction: an appropriate amount of sulfuric acid or hydrochloric acid is added to the reactor to acidify sodium stearate with the acid to generate palmitic acid and the corresponding salt.
3. Washing and separation: The reaction mixture is washed with water to remove impurities and unreacted raw materials, and then palmitic acid is separated by centrifugation or filtration.

Post -4. Treatment

1. Drying: The separated palmitic acid is dried to remove moisture.
2. purification: distillation, crystallization and other methods can be used to further purify palmitic acid to improve product quality.
Precautions for
5.

1. Control the reaction temperature and time: Both the saponification reaction and the acidification reaction need to be carried out at a certain temperature and time to ensure the progress of the reaction and the quality of the product.
2. pH value adjustment: During the acidification reaction, the pH value needs to be adjusted to a suitable range to ensure the progress of the reaction and the purity of the product.
3. Safe operation: In the production process, it is necessary to pay attention to safe operation to avoid the harm of alkali catalysts and acids and other chemicals to the human body and the environment.

6. conclusion The manufacturing method of

palmitic acid mainly includes the steps of raw material preparation, saponification reaction, acidification reaction, washing and separation and post-treatment. By controlling the reaction conditions and post-treatment methods, palmitic acid products with higher purity can be obtained. In the actual production process, it is necessary to select the appropriate process and equipment according to the specific situation and requirements to ensure the quality and output of the product. At the same time, strengthen the safety management and environmental protection measures in the production process to ensure the smooth progress of the production process and the health of employees.

Previous： Production method and process of sebacic acid

Next： Manufacturing method and process flow of nickel acetate

News Categories