NIPPON KETJEN, a leader in the field of hydroprocessing catalysts

Hydroprocessing catalysts play the most important role in the oil refining process.
We have continued to provide the most advanced hydroprocessing catalysts to our customers since the company's establishment in 1970.  

We have close business relationship with the KETJEN Corporation which has facilities in Texas, USA and Amsterdam, Netherlands. We are also receiving full supports from Sumitomo Metal Mining, Co. Ltd which has been developing their main business for more than 400 years in Niihama, Japan. The excellent R&D, technical services and production technology are not only our pride but also our lifeblood.
We have developed and commercialized high activity desulfurization catalysts (STARS catalysts) and its rejuvenation technology (REACT).  

In the global scale the steady supply of energy and the environmental preservation are increasingly important.
We are sincerely committed to responding speedily to a wide variety of customer needs and offering the innovative solution to them. Through these activities, we intend to contribute to the society in the fields of energy and environment.

President Yoshitaka Akiyama

Nippon Ketjen seeks to:

• Provide superior quality and service to ensure customer satisfaction.
• Create an open company with sound and transparent management.
• Respect human life and care about the global environment.

Corporate Name

Nippon Ketjen Co.,Ltd.

Address of Head Office

Seavans North 1-2-1 Shibaura Minato-ku, Tokyo, Japan

Date of establishment

April 9, 1970

Capitalization

480,000,000 yen

Shareholders

Sumitomo Metal Mining Co., Ltd. 50%
Ketjen Netherlands Holdings B.V. 50%

Main Operations

Production and sales of hydroprocessing catalysts

Head Office

Seavans North 1-2-1 Shibaura Minato-ku, Tokyo, Japan (Google Map)

Niihama Division and R&D Center

17-4 Isoura-chou Niihama-shi, Ehime, Japan (Google Map)

Eurecat Plant

366-20 Otsu Isoura-chou Niihama-shi, Ehime, Japan (Google Map)

Nippon Ketjen Singapore Pte.Ltd.

18 Robinson Road, Singapore 048547

Korea Office

602 Trade Tower World Trade Center Samsung-dong,Kangnam-gu Seoul,Korea

1970

Establishment of Nippon Ketjen Co., Ltd. Joint investment with Akzo Chemicals B.V. and Sumitomo Metal Mining Co., Ltd. Start of sales of HPC catalysts(*2).

1972

Start of operations at 1st HPC catalyst plant.

1982

Start of operations at 2nd HPC catalyst plant.

1986

Start of operations for new production process for HPC catalysts.

1987

Start of sales for KFR series of residue hydroprocessing catalysts.

1989

Start of sales for presulfided catalyst "Easy Active".

1990

Start of sales for Guard Reactor System in the residue hydroprocessing.

1991

Start of sales for HC catalysts(*3).

1992

Adoption of CFI process(*4) at a domestic oil refining company (1st in Japan,7th in the world).

1995

Increase of R&D facilities and pilot test units.
Acquisition of ISO 9001 certification.

1998

Acquisition of ISO 14001 certification.

2000

Acquisition of OHSAS 18001 certification.Unification through conversion of east and west plants to DCS.

2001

Inheriting of operations of Nippon Eurecat Co., Ltd.

2004

Albemarle Corporation inherits Akzo Nobel's holdings of Nippon Ketjen Co., Ltd. (50%). Reception of TPM Award Type 2.

2005

Awarded Fiscal Year 2005 High-Pressure Gas Safety,Nuclear and Industrial Safety Agency Director Commendation.

2006

Albemarle Corporation and Nippon Ketjen Co., Ltd. form a Hydroprocessing Alliance with UOP LLC to help Refiners Produce Clean Fuels.

2014

Nippon Ketjen Co., Ltd.'s STARS Technology Receives Coveted Technology Award from Catalyst Manufacturers Association of Japan.

2024

Ketjen Netherlands Holdings B.V. inherits Albemarle Corporation's holdings of Nippon Ketjen Co., Ltd. (50%).

• *1.FCC catalyst： Fluid catalytic cracking catalyst
• *2.HPC catalyst： Hydroprocessing catalyst
• *3.HC catalyst： Hydrocracking catalyst
• *4.CFI process： Cold Flow Improvement Process