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white mineral oil manufacturing method
1. introduction
white mineral oil is a common chemical production of raw materials, widely used in lubricants, solvents, cosmetics, medicine and other fields. With the continuous growth of market demand, the manufacturing method of white mineral oil has become a hot research topic. This article will introduce a common white mineral oil manufacturing method.
2. Materials and Equipment
1. Materials: paraffin, sulfuric acid, sodium hydroxide, water, etc.
2. Equipment: reaction kettle, agitator, cooler, storage tank, etc.
3. manufacturing steps
1. wax oil mixing: paraffin wax and sulfuric acid in accordance with a certain proportion of the reaction kettle, heating to a certain temperature, stirring and mixing evenly.
2. Sulfonation reaction: sodium hydroxide aqueous solution is added in the reaction kettle to react the hydrocarbon group in paraffin wax with sulfuric acid to generate sulfonate.
3. neutralization reaction: a certain amount of water is added to the reaction kettle to make the sulfonate react with sodium hydroxide to generate neutral sodium sulfonate.
4. Washing and separation: The reaction solution is washed with water to remove unreacted raw materials and by-products to obtain crude white mineral oil.
5. Refining and purification: Refining and purifying crude white mineral oil to remove impurities and obtain finished white mineral oil.
Precautions for
4.
1. Control the reaction temperature and time to avoid excessive sulfonation or neutralization, which will affect product quality.
2. Washing separation should be fully stirred and static, to ensure product purity.
3. In the process of refining and purification, attention should be paid to the control of operating conditions to avoid product quality degradation.
5. Conclusion
Through the above steps, we can produce high-quality white mineral oil. In the actual production process, the operating parameters should be adjusted according to specific needs and conditions to ensure product quality and output. At the same time, strengthen the monitoring and management of the production process to ensure production safety and environmental protection. In short, mastering the manufacturing method of white mineral oil is of great significance to improve the self-sufficiency and market competitiveness of chemical raw materials.