Chemical Process
Kopper-Totzek coal gasifier

Operate at very high pressure
Can give ammonia synthesis gas (H₂ + N₂)
Is a moving bed reactor
Cannot use coking coal

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Chemical Process
DDT stands for

Diphenyl-dichloro-trichloromethane
Diethyl-diphenyl-trichloromethane
Dichloro-diphenyl-trichloroethane
Dichloro-diphenyl-trichloromethane

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