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Technology

HiCOT Reformer Furnace

Chiyoda’s High Temperature Combustion Technology (HiCOT) is an innovative technology which has following characteristics:

The combustion technology utilizes new combustion region at high temperature air of above 800ºC under lean oxygen content where burner flame spreads entirely in the combustion chamber and the flame becomes invisible. The high temperature air combustion of HiCOT reformer furnace is achieved by regenerative burners recovering waste heat of flue gas from the radiant section. Such combustion conditions provide uniform temperature distribution in the combustion chamber.
Chiyoda has developed this HiCOT steam reformer furnace with Nippon Furnace Co., Ltd. as a Japan’s national project subsidized by New Energy and Industrial Technology Development Organization (NEDO).

HiCOT Reformer Furnace; Advanced Furnace Technology (HiCOT: Advanced High-Temperature Air Combustion Technology)

What is "HiCOT"?

Flame condition
in the HiCOT furnace
Flame condition in the HiCOT furnace
HiCOT combustion mode
(invisible flame)

An overall view of HiCOT
demonstration plant
An overall view of HiCOT demonstration plant
H2 production capacity:
1,200 Nm3/h

The demonstration plant with catalyst tubes and a commercial-sized regenerative burner was designed, constructed and successfully operated, and 1,200 Nm3/hr of Hydrogen was produced under high temperature air combustion.
Through the operation of the demonstration plant, the competitiveness of HiCOT reformer furnace was realized.
Chiyoda has recently entered into an agreement with Haldor Topsoe A/S ("HTAS") to combine Chiyoda’s HiCOT combustion with HTAS’ well proven industrial steam reforming process to provide the clients with several advantages compared to tubular steam reforming in a traditional furnaces.