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5492621 Sewage water and solids treatment and disposal system
XIII
New Patents
5492621 SEWAGE TREATMENT Curtis Robert STATES
WATER AND SOLIDS AND DISPOSAL SYSTEM L
Dickenson,
TX, UNlTED
Sewage water with entrained solids as an effluent is fed into the trough bottom shaped process tank that is a totally enclosed tank other than for inlets and outlets therefore. The system disposes of water from sewage effluents and also residual solids thereof and is fed sewage to a controlled depth in a tank trough with high temperatures used to sterilize the effluent. A two-speed motor driven mixer driven at low speed continually mixes and blend the sewage effluent at the same time air from a blower is bubbled through the mixture. Heat is added to increase water vapor saturation capability of the air flow through the system. The air/vapor mixture flows through a recuperative heat exchanger supported within the tank above the surface of sewage effluent contained therein, absorbing heat with flow, through a catalyst bed in a chamber with circukation through the heat exchanger and on out an exhaust vent with impurities oxidized and vented with air flow. Heating elements subject to power control heat the tank and the heat exchanger.
trapping a water-based paint mist in cleaning water is concentrated to recover the paint and the aqueous phase is recycled as cleaning water. Jn this system, the cleaning water prepared by reusing the aqueous phase is adjusted to an acid value of not greater than 10 and a pH value of 7.0 to 9.0. Controlling the amount of low molecular acid components in the aqueous phase in this manner prevents an abnormal viscosity increase in the filtration-concentration of the waste paint-cleaning water mixture.
5493578 ASH MELTING
FURNACE
Fukusaki Minoru; Hagihara Hitosh; lnoue Satoshi Nagareyama, JAPAN assigned to Ishikawajima-Harima Heavy Industries Co Ltd The ash melting furnace disposes the combustion ash resulted from incineration of municipal or other sorts of waste by melting it utilizing as the main fuel the unburnt carbon contained in the ash itself. The ash melting furnace includes a stationary plasma torch which uses air for the working gas, and which is so placed facing the combustion ash heaped up within the furnace as to project its hot gas jet thereon. The furnace further includes a torch unit controller that actuates the plasma torch to secondarily heat and melt the ash.
5492626 METHOD FOR RECYCLING A PAINT RECOVERY EFFLUENT Uenoyama Kazuo; Kajino Tetsuro; Okai Toshihiro; Shibata Takayuki; Koike Toshiya Osaka, JAPAN assigned to Nippon Paint Co Ltd The object of the present invention is reuse of the filtrate of a paint mist-cleaning water mixture as cleaning water without reduction in concentration efficiency. According to the present invention, a waste paint-cleaning water mixture available on
5494376 METHOD AND APPARATUS FOR CONTROLLING IN SITU WASTE REMEDIATION Farrar Lawrence C; Quapp William UNITED STATES
Butte, MT,
An in situ waste treatment system for contaminated soil employs a high temperature energy probe which is lowered into a borehole
New Patents
5492621 SEWAGE TREATMENT Curtis Robert STATES
WATER AND SOLIDS AND DISPOSAL SYSTEM L
Dickenson,
TX, UNlTED
Sewage water with entrained solids as an effluent is fed into the trough bottom shaped process tank that is a totally enclosed tank other than for inlets and outlets therefore. The system disposes of water from sewage effluents and also residual solids thereof and is fed sewage to a controlled depth in a tank trough with high temperatures used to sterilize the effluent. A two-speed motor driven mixer driven at low speed continually mixes and blend the sewage effluent at the same time air from a blower is bubbled through the mixture. Heat is added to increase water vapor saturation capability of the air flow through the system. The air/vapor mixture flows through a recuperative heat exchanger supported within the tank above the surface of sewage effluent contained therein, absorbing heat with flow, through a catalyst bed in a chamber with circukation through the heat exchanger and on out an exhaust vent with impurities oxidized and vented with air flow. Heating elements subject to power control heat the tank and the heat exchanger.
trapping a water-based paint mist in cleaning water is concentrated to recover the paint and the aqueous phase is recycled as cleaning water. Jn this system, the cleaning water prepared by reusing the aqueous phase is adjusted to an acid value of not greater than 10 and a pH value of 7.0 to 9.0. Controlling the amount of low molecular acid components in the aqueous phase in this manner prevents an abnormal viscosity increase in the filtration-concentration of the waste paint-cleaning water mixture.
5493578 ASH MELTING
FURNACE
Fukusaki Minoru; Hagihara Hitosh; lnoue Satoshi Nagareyama, JAPAN assigned to Ishikawajima-Harima Heavy Industries Co Ltd The ash melting furnace disposes the combustion ash resulted from incineration of municipal or other sorts of waste by melting it utilizing as the main fuel the unburnt carbon contained in the ash itself. The ash melting furnace includes a stationary plasma torch which uses air for the working gas, and which is so placed facing the combustion ash heaped up within the furnace as to project its hot gas jet thereon. The furnace further includes a torch unit controller that actuates the plasma torch to secondarily heat and melt the ash.
5492626 METHOD FOR RECYCLING A PAINT RECOVERY EFFLUENT Uenoyama Kazuo; Kajino Tetsuro; Okai Toshihiro; Shibata Takayuki; Koike Toshiya Osaka, JAPAN assigned to Nippon Paint Co Ltd The object of the present invention is reuse of the filtrate of a paint mist-cleaning water mixture as cleaning water without reduction in concentration efficiency. According to the present invention, a waste paint-cleaning water mixture available on
5494376 METHOD AND APPARATUS FOR CONTROLLING IN SITU WASTE REMEDIATION Farrar Lawrence C; Quapp William UNITED STATES
Butte, MT,
An in situ waste treatment system for contaminated soil employs a high temperature energy probe which is lowered into a borehole