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Cyclohexane Manufacture Technology Description

Online Cyclohexane Data: Manufacture, Uses and Applications

Intratec Chemical Process Library is the first free online encyclopedia of chemical process technologies. Our Library covers not only processes description themselves, but also the economics surrounding chemicals production, providing real-world knowledge on the production of several chemical commodities. Click here to check all chemicals covered.

In this page you will find free data about Cyclohexane, including:

  • What is Cyclohexane
  • How to make Cyclohexane
  • Cyclohexane uses and applications

This page presents brief synopsis of Cyclohexane production technology, describing, in a concise way, relevant technical and economic aspects. Each manufacturing process description will consist of:

  • Major process steps
  • Simplified, schematic flow diagram & key equipment
  • Important safety or environmental considerations
  • Economic perspective, comprising capital expenditures and/or operating expenses

All content from Intratec's Chemical Process Library was produced based on reports published by Intratec. To learn more about Cyclohexane production processes presented below and others examined in Intratec reports, click here.

Cyclohexane Manufacture

Cyclohexane is a relatively stable cycloalkane, present in crude oils in concentrations of 0.1–1.0%. This cycloparaffin is a colorless, flammable liquid, widely used as an intermediate in nylon manufacturing. On a commercial scale, cyclohexane production is almost entirely based on the catalytic hydrogenation of benzene, which can be conducted in the liquid or vapor phase in the presence of hydrogen.

Technology Description

The following paragraphs describe a process for the production of cyclohexane from benzene and hydrogen that involves liquid-phase hydrogenation of benzene in the presence of a nickel-based catalyst.

Cyclohexane Manufacture Technology - Process Flow Diagram


Initially, benzene is fed to the primary reactor ...

Hydrogen Recovery

The product stream is fed to a knock-out drum ...


In a distillation column, the liquid cyclohexane-rich stream ...

Cyclohexane production pathways

Cyclohexane has been primarily manufactured by ...

Economic Performance

The total operating cost (raw materials, utilities, fixed costs and depreciation costs) estimated to produce cyclohexane was about ...


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This synopsis is based on the report Cyclohexane from Benzene and Hydrogen - Cost Analysis | Cyclohexane E11A. (For more information, Click here).