by distillation or evaporation

Full Title

Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > by heating (methods of steam generation F22B; preheating boiler feed-water or accumulating preheated boiler feed-water F22D) > by distillation or evaporation

Child Classifications

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• C02F 1/041
• C02F 1/042
• C02F 1/043
• C02F 1/045
• C02F 1/046
• C02F 1/047
• C02F 1/048
• C02F 1/06 Flash evaporation
• C02F 1/08 Thin film evaporation
• C02F 1/10 by direct contact with a particulate solid or with a fluid, as a heat transfer medium
• C02F 1/14 using solar energy
• C02F 1/16 using waste heat from other processes
• C02F 1/18 Transportable devices to obtain potable water