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Class Information
Number: 203/11
Name: Distillation: processes, separatory > Water purification only > Under pressure or vacuum
Description: Processes in which distillation is carried out under a pressure greater than atmospheric or under a vacuum.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
4035243 Method and apparatus for high volume distillation of liquids Jul. 12, 1977
4030985 Apparatus for desalting saline water Jun. 21, 1977
4018656 Thermal softening and distillation by regenerative method Apr. 19, 1977
4017421 Wet combustion process Apr. 12, 1977
4009082 Production of energy by direct contact of water immiscible working fluid with hot or warm water to vaporize liquid working fluid, utilization of vapor to produce mechanical energy and direct c Feb. 22, 1977
3997408 Thermocompression-type apparatus for desalting saline water Dec. 14, 1976
3990951 Method and apparatus for preheating distillate to be degassed Nov. 9, 1976
3986938 Direct contact of low-boiling, water-immiscible medium with hot and cold bodies of water to transfer heat for purposes of energy production and/or desalination Oct. 19, 1976
3986955 Effluent waste treatment process and apparatus Oct. 19, 1976
3974039 Addition of finely divided BaSO.sub.4 particles to sea water for removal of scale components Aug. 10, 1976
3969193 Method for preventing scale in saline water desalting apparatus and saline water reclamation apparatus for carrying out said method Jul. 13, 1976
3966562 Multi-stage flash distillation plant Jun. 29, 1976
3951752 Method and apparatus for converting saline water to fresh water Apr. 20, 1976
3951753 Method and apparatus for the conversion of an aqueous scale-formed liquid Apr. 20, 1976
3948734 Direct contact multi-stage flash desalination Apr. 6, 1976
3933597 Multistage flash evaporator for producing soft water from a saline water Jan. 20, 1976
3932224 Method of preventing scale from being deposited in case of producing fresh water from sea water Jan. 13, 1976
3930959 Combined water cooler & distiller Jan. 6, 1976

1 2 3 4 5 6

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