INTERMITTENT APPLICATION OF SYNGAS TO NOX TRAP AND/OR DIESEL ENGINE

WIPO Patent Application WO2005042934

A3

A catalytic partial oxidizer (30) provides syngas (hydrogen and carbon monoxide) to an apparatus intermittently using syngas such as valves (34) feeding NOx traps (35), for brief periods of time. During turndown times when syngas is not being used, either the output of the CPO is diverted (33) to the inlet (13) of an engine (12) through the engine gas recycle (EGR) system (43-46), or the amount of fuel (19) and exhaust (23) applied to the CPO is reduced (24, 26; 59, 60) so that the CPO merely stays warm and in a reduced state, thereby being ready to restart immediately. A mini-CPO (62) may provide syngas and heat to the major CPO (30) during the turndown time when syngas is not being used by the NOx traps.

JP2006181475	CARBON MONOXIDE SELECTIVE OXIDATION CATALYST AND ITS MANUFACTURING METHOD
WO/2018/140689	MAXIMIZING STEAM METHANE REFORMER COMBUSTION EFFICIENCY BY PRE-HEATING PRE-REFORMED FUEL GAS
JP2002339772	ENGINE SYSTEM

LIU KE (US)
WNUCK WAYNE G (US)
LEENHOUTS WILLIAM P (NL)

PCT/US2004/034173

August 11, 2005

October 14, 2004

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HYDROGENSOURCE LLC (US)
LIU KE (US)
WNUCK WAYNE G (US)
LEENHOUTS WILLIAM P (NL)

C01B3/38; F01N3/08; F01N3/20; F01N9/00; F02M25/07; (IPC1-7): F01N3/00; F01N3/10

US6655130B1	2003-12-02
US6560958B1	2003-05-13
US6718753B2	2004-04-13
US20040020188A1	2004-02-05
US20040020447A1	2004-02-05
US6845608B2	2005-01-25

See also references of EP 1702142A4

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