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Clariant and Siemens to Introduce New Sour Gas Shift Technology
for Coal
Gasification
May 28, 2014
+ + + Siemens Energy and Clariant, a world leader in specialty chemicals, signed
an agreement to cooperate in the commercialization of a new, jointly
developed sour gas shift (SGS) technology for coal gasification. The
agreement appoints Clariant as the exclusive catalyst supplier for all
projects where Siemens offers sour gas shift ("SGS") systems. While the
collaboration covers all global projects, commercialization will focus on
China – the region with the highest growth rate of coal-to-chemical
projects.
Stefan Heuser, Head of the Catalysts Business Unit at
Clariant, stated: "This global cooperation is a very important step in
marketing our innovative catalysts for coal-to-chemical applications. With
its strong commercialization focus on China, the cooperation supports
Clariant's strategy to increase our presence in the growing markets of
Asia."
Frank Hannemann, Head of Technology of Fuel Gasification
Business at Siemens, declared: "This advanced technology makes coal to
chemical plants more competitive and environmentally friendly. This global
cooperation enhances the broad acceptance of gasification plants in China
and in growing markets around the world."
The advanced SGS
technology from Clariant and Siemens significantly decreases total capital
cost for coal-to-chemical and IGCC applications through optimization and
simplification of total plant concepts. This is achieved by combining the
strengths of both companies: The entrained-flow Siemens Fuel Gasifier
(SFG) is able to produce syngas from a wide range of fuels - even for low
ranks of coal. Clariant's ShiftMax® 821 catalyst enables a simple,
once-through process without further adjustment of the exit gas from the
gasifier. The simplified layout uses smaller and fewer reactors, and
requires no steam adjustment for temperature control. This reduces capital
expenditure for the shift system by up to 20%, and optimizes operating
costs with up to 30% lower catalyst volume. The new technique can handle
different steam-to-gas ratios and high carbon monoxide content in the gas,
resulting in improved availability and reliability of the whole process.
Furthermore, it is an inherently safe method. Thanks to steam-independent
control of the exothermal reaction, there is no risk of temperature
run-away reactions.
Source: Gerda Gottschick, Siemens AG, Energy
Sector -
www.siemens.com
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