Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances (consuming noxious gases by combustion F23G7/06)

Child Classifications

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• A62D 3/02 by biological methods, i.e. processes using enzymes or microorganisms
• A62D 3/10 by subjecting to electric or wave energy or particle or ionizing radiation
• A62D 3/20 by hydropyrolysis or destructive steam gasification, e.g. using water and heat or supercritical water, to effect chemical change
• A62D 3/30 by reacting with chemical agents
• A62D 3/40 by heating to effect chemical change, e.g. pyrolysis