Chiyoda Licenses Titania Catalyst for Ultra Deep Hydrodesulfurization of Diesel Oil to a French Company Axens



    YOKOHAMA, JAPAN, June 20 /CNW/ - Chiyoda Corporation (TOKYO:6366; ISIN:
JP3528600004), Japan's leading engineering and construction firm, today
announces that it is licensing titania catalyst for ultra deep
hydrodesulfurization (HDS) of diesel oil to Axens, a French subsidiary of IFP.
Chiyoda is aiming to supply the catalyst for diesel oil in order to meet
sulfur content regulation which will be reinforced globally in years to come.

    Chiyoda joined a research project sponsored by the "New Energy and
Industrial Technology Development Organization "(NEDO), & "Japan Petroleum
Energy Center" (JPEC), and has investigated titania catalyst for ultra deep
hydrodesulfurization of diesel oil. The activity of titania catalyst per unit
surface area has been known to be more active than that of alumina catalyst
which is normally used for hydrodesulfurization of diesel oil; however,
technical difficulty to prepare the titania catalyst with large surface area
has prevented its commercial application. Chiyoda has come up with its
proprietary method to overcome this difficulty.

    Axens, headed by Mr. Jean Sentenac, is a global company with activities
that include process licensing in the fields of refinery and petrochemical
industries, and manufacture and sales of various catalysts used in those
fields. Axens is a leading process licensor in the hydrodesulfurization of
gasoline and diesel oils, and supplies the catalysts for such processes and is
highly-evaluated internationally.

    The titania catalyst, which has been jointly developed by Axens and
Chiyoda, has very high activity for hydrodesulfurization and it allows oil
companies to produce sulfur-free diesel under the reaction condition in which
the temperature is around 10-20 degrees Celsius lower than that with
conventional alumina catalyst. Also, it is worth mentioning that it has strong
interaction with nitrogen-contained aromatic compound and accordingly has
higher hydrodenitogenation (HDN) selectivity than that of alumina catalyst. It
is estimated that this characteristic may allow its expanded use to
hydrotreatment of various distillates with higher nitrogen content in future.

    Axens is currently working on the final adjustment of industrial
operating parameters and has scheduled the production of first commercial
batches of titania precursor and hydrotreatment catalyst in the first quarter
of 2008.

    In Japan sulfur-free regulation (less than 10 ppm) has been started from
2007. Two years ahead the implementation of the regulation most oil companies
in Japan had already started to supply sulfur-free diesel from 2005. In
collaboration with Axens and Chiyoda, it is intended to supply commercialized
product globally starting from Europe, where sulfur-free regulation starts in
2009.

    Chiyoda Corporation, headquartered in Yokohama, Japan, provides services
in the field of engineering, procurement and construction (EPC) for gas
processing, oil refineries and other hydrocarbon processing and industrial
plant projects, particularly in Gas Value Chain areas, on a global basis
including the Middle East, Russia, Africa and South East Asian regions. For
almost 60 years, Chiyoda has constantly leveraged its extensive experience and
a far-reaching global network to give it an unrivaled advantage.




For further information:

For further information: Chiyoda Corporation Investor Relations and
Corporate Communications Office Ken Ito/Aki Tanaka, +81-45-506-7538
kito@ykh.chiyoda.co.jp Fax: +81-45-506-7085 http://www.chiyoda-corp.com/

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CHIYODA CORPORATION

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