Furnace Technology
In producer gas making furnace, steam is added along with air to mainly control the

Fusion of coal ash & clinker formation
V. of producer gas
Temperature of producer gas
Tar content in producer gas

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Furnace Technology
Recuperator is

Heavier than regenerator meant for the same duty
An intermittant waste heat recovery equipment
A continuous waste heat recovery equipment
Not used for fuel gas preheating

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