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Shell Global Solutions and NATCO Group Join Forces to Promote Shell Paques Bio-Desulfurization Process in the US.

HOUSTON -- Shell Global Solutions (US) Inc. has appointed the NATCO Group as an authorized licensor for the Shell-Paques Process in the United States of America. The agreement covers part of Shell Global Solutions full range of proven, reliable technologies for treating sour streams and further processing the sour components to obtain valuable products and meet environmental standards.

Developed jointly by Paques B.V. of Balk, the Netherlands and Shell Global Solutions, the Shell-Paques Bio-desulfurization Process removes hydrogen sulfide from natural gas, synthesis gas streams, acid gas, or Claus tail gas. The process involves a treating step with a mild soda solution and a biological oxidation step for conversion of H2S to elemental sulfur utilizing air and thio-bacillus bacteria. Also referred to as the Thiopaq Scrubber Gas Desulfurization Process for bio-gas refinery-gas applications, there are more than 30 applications of this process currently operating worldwide. In addition, Shell is also providing technical, application and service support to NATCO.

"Today's announcement represents a sound, strategic move for the gas processing industry," said Graeme Sweeney President and CEO, Shell Global Solutions (US) Inc. "Through the Shell and NATCO license agreement for the Shell-Paques process, the oil and gas industry will be able to apply a proven, effective, low-cost desulfurization process-removing 200 lb/day to 40 long tons per day of sulfur.

"This agreement brings together technology for desulfurization developed by Shell and Paques with the cost-efficient engineering, design and manufacturing capability of the NATCO organization. Marketing and related services will be provided by both NATCO and Shell."

The Shell-Paques biological gas desulfurization process integrates gas purification with sulfur recovery in one process unit. Hydrogen Sulfide (H2S) removal efficiencies in excess of 99.8% can be reliably achieved and treated gas can contain less than 4 ppm H2S. Due to the completely non-fouling of the created bio-sulfur, the process is ideally suited to sensitive locations where flaring, incineration or other combustion options are not desirable.


NATCO Group Inc. is a leading provider of wellhead process equipment, systems and services used in the production of oil and gas. NATCO has designed, manufactured and marketed production equipment and services for more than 75 years. NATCO production equipment is used onshore and offshore in most major oil and gas producing regions of the world.
 +1-713-685-8075, or fax,
 About Paques
 T. de Boerstraat 24 P.O. Box 52, 8560 AB BALK
 The Netherlands
 Tel +31 514 608500 Fax +31 514 603342

Paques develops and builds high-quality purification systems for cleaning water, gases and air to ensure that industrial processes are as clean and cost-effective as possible. Many commercial THIOPAQ(R) bioreactors have been successfully operated since 1992, a cost-effective and efficient alternative for the removal of metals and/or sulfur compounds. Paques is also a leader in the field of anaerobic purification plants.

About Shell Global Solutions.

Shell Global Solutions has its origins in the research and technical service organization that supports the Royal Dutch/Shell Group's activities worldwide. Several years ago, a significant part of this capability was placed on an independent, commercial footing, and its knowledge and expertise made available to other companies. An increasing number of clients are now placing their trust in a technology business consultancy with a track record that stretches back over 50 years. Shell Global Solutions is a network of independent companies of the Royal Dutch/Shell Group. For projects that entail engineering services, Shell Global Solutions (US) Inc. will retain appropriately licensed engineers as necessary.
 James Herbert
 Head of Group Media Relations
 Shell International
 +44 20 7934 6238


CONTACT: NATCO Group Inc., +1-713-685-8075, or fax, +1-713-683-7841; or Paques B.V., +31 514 608500, or fax, +31 514 603342; or James Herbert, Head of Group Media Relations of Shell International, +44-20-7934-6238
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Comment:Shell Global Solutions and NATCO Group Join Forces to Promote Shell Paques Bio-Desulfurization Process in the US.
Publication:PR Newswire
Geographic Code:1USA
Date:Sep 3, 2002
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