Sumitomo HCl
Oxidation
Process

Chlorine Recycle using Hydrogen
Chloride Oxidation

10 licenses awarded, including:

  • covestro
  • Huntsman Corporation
  • Mitsubishi Chemical
  • Mitsubishi Chemical
Photo courtesy of Covestro AG

Bid Farewell To ALL
Your Chlorine-related
Worries

If you own, or are planning to own, a chemical plant (e.g. isocyanate plants, etc.) that utilizes chlorine and byproduces hydrochloric acid, you can maximize the cost competitiveness of your entire chlorine business while contributing to the reduction of environmental footprint. By incorporating our process, you can establish a closed recycle loop and significantly reduce the use of fresh chlorine, thereby optimizing and stabilizing your chlorine business as a whole.

Chemical plant

How?
Realize a Closed Recycle Loop of High-Quality Chlorine at
Lower Cost & Reduced
Carbon Footprint.

Did you know that you could recycle and obtain higher quality chlorine than you started with?

We have successfully made a break-through to the catalytic recycle of hydrogen chloride to chlorine, a “Deacon process” that had faced difficulties in establishing a competitive edge for years due to difficulties in developing a suitable catalyst.

Sumitomo HCl Oxidation Process is a gamechanger in the field of chlor-alkali chain.

With our proprietary catalyst and streamlined process, you can not only obtain even higher purity chlorine compared to fresh chlorine from salt electrolysis, but also

  • Reduce your electricity cost by up to 94%
  • Reduce your CO2 emission by up to 94%

As a result, you will be able to insulate your entire chlorine business from both the fluctuating global chlorine market and the rising electricity costs, thereby realizing a robust and stable chlorine business.

The “Three Elements of Trust”
in Sumitomo HCl Oxidation Process

  • Operational Excellence

    Your Competitive Edge:
    You minimize your overall OPEX of not only Cl2 production but of the entire chlor-alkali chain through robust plant reliability and stable supply of chlorine.
    • Smooth and successful start-up in all licensed plants
    • Stable long-term operation in all licensed plants
    Better yet:
    We continue to innovate and have developed a new generation catalyst with a longer life
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    Click the image to enlarge
  • Top Quality Product

    An Assurance You can Trust:
    You improve the product quality and catalyst life in your chlorination plant due to higher purity chlorine from our process, thus enhancing the overall competitiveness of your entire chlor-alkali chain.
    • Stable production of >99.7%, high purity chlorine product, impurity contents reduced to less than a 1/3 of that produced by salt electrolysis.
    Top Quality Product
    Click the image to enlarge
  • Sustainability

    Your Long-Term Benefits:
    You get ever closer to achieving your SDGs; and
    You significantly reduce your overall OPEX.
    • Up to 94% reduction in electricity consumption; and
    • Up to 94% reduction in CO2 emission; compared to using fresh chlorine from salt electrolysis.
    Sustainability
    Click the image to enlarge

    Even compared to other chlorine recycle process, Sumitomo HCl Oxidation Process distinctively achieves superior reduction in energy consumption and CO2 emission.
    The details are available upon request
    – please contact us.

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Top Quality Product
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Sustainability

Global Trust and Recognitions

10 licenses have already been granted, contributing to 1.2 million tonne/year reduction in CO2 emission compared to sourcing chlorine from chlor-alkali electrolysis.
Our process has won various awards for its remarkable contribution to environmental conservation.
With our energy-efficient process, you can lead the way to the achievement of a carbon-neutral society.

Excellence Awards and Honors

  • JACI
    2005 Honored at Green & Sustainable Chemistry Awards
  • JSIA
    2005 Techmical Award, Japan Soda Industry Association
  • SCEJ
    2008 Japan Technical Award, The Society of Chemical Engineers
  • CATSJ
    2009 Award(Industrial field), Catalysis Society of Japan

Licensing Scheme:

Since 2018, we collaborate with Technip Energies to further innovate the technology, enhance our marketing efforts and explore broader applications of this technology.
Furthermore, we granted Technip Energies the sublicensing right to become the exclusive licensor of our technology and you can now receive the full benefits of the synergy of our top-notch technology and Technip Energies’ extensive expertise.

TENCHNIP ENERGIES

Get in Touch

Learn how you can solve all-your chlorine related problems