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Dewaxing

This web-based training course on Dewaxing functionality, administration and development, is available online to all individuals, institutions, corporates and enterprises in India (New Delhi NCR, Bangalore, Chennai, Kolkatta), US, UK, Canada, Australia, Singapore, United Arab Emirates (UAE), China and South Africa. No matter where you are located, you can enroll for any training with us - because all our training sessions are delivered online by live instructors using interactive, intensive learning methods.

De-waxing is inherently a separation process which makes use of de-asphalted oil as well as heavy vacuum gas oil obtained from the vacuum distillation tower. The de-waxing process aims to remove hydrocarbons that may increase the pour point of the lubricating oil base stock to the required range and leverage the phenomenon. The de-waxing process involves two separate categories of solvent de-waxing and catalytic de-process. Solvent de-waxing is physical process which makes use of refrigeration and scraping techniques involving methyl ethyl ketones and propane solvents in order to separate the feedstock and produce products of use. A series of refrigeration processes are involved in the solvent de-waxing process that lead to the formation of crystals which are separated from the oil+solvent. The soil is used for producing candles and petroleum jelly while the de-waxed oil is used as the desirable lube oil base stock. Catalytic de-waxing on the other hand is a chemical process which is inherently a conversion process involving catalytic cracking of n-paraffin. However, it is still classified as a separation process as it allows the removal of the unnecessary wax from the oil streams. De-waxing oils through catalytic processes leads to products with lower pour points, better yields and stability as well.


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Course Details

In this petroleum de-waxing online training course, a small yet very essential part of the entire petroleum refining and petroleum products production is elaborated upon. Through this course, the entire de-waxing process is explained in detail along with the applicative understanding of the subject based on hands-on approach. An amalgam of chemistry and petroleum engineering is involved in the course to provide in-depth understanding of the subject. The de-waxing process types and the knowledge of various types of solvents and chemicals used in the process are provided in detail for the benefit of the students. This course provides a small segment of a large petroleum refining process and is taught from scratch.


Introduction to De-Waxing Process

The Two Types of De-Waxing Process

  • Solvent de-waxing
  • Catalytic de-waxing

The Various Process Implemented in De-Waxing

Residual Base Stocks Involved in De-Waxing

Processes Involved in Solvent De-Waxing

  • Feedstock mixing with solvent
  • Wax precipitation from chilling
  • Solvent recovery and recycling

The Main Types of Solvents Used

  • Toluene
  • Methyl ethyl ketone
  • Other Types of Solvents Used

    • Benzene
    • Methyl isobutyle ketone
    • Propane
    • Petroleum naphtha
    • Ethylene dichloride
    • Methylene dichloride
    • Sulfur dioxide

    Catalytic Process as an Alternative to Solvent De-Waxing

    Understanding Catalytic Cracking of N-Paraffin

    Performance Parameters of Dewaxing Process

    • Lower pour point
    • High yield
    • High stability

    Production of Light Distillates Such as Gasoline From n-paraffin Cracking

    The Concept of Auto-Refrigeration

    Type of Investment Casting

    De-Waxing Process Leading to Lubricating Oil Production

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