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Patents - Environment

Category list

January 2006
ENVIRONMENT
WO 2005/039723 A3 (10/06/05) Enviroserve Associates, L.L.C.
Cox C.E., Hendrickson M.A.
SCRUBBING SYSTEMS AND METHODS FOR COAL FIRED COMBUSTION UNITS
A2 published (05/06/05)
WO 2005/054842 A1 (06/16/05) Yamakawa, Yoichi
Yamakawa Y.
HUMIDITY INDICATOR
A humidity indicator relying on a change of colour of cobalt chloride has a film covering the cobalt chloride plate containing small holes separated from the plate by an air layer thus maintaining contact between the atmosphere and the surface of the plate. As a result, a worker directly handling the indicator is protected from absorption of cobalt by the body.
WO 2005/039723 A2 (05/06/05) Enviroserve Associates, L.L.C.
Cox C.E., Hendrickson M.A.
SCRUBBING SYSTEMS AND METHODS FOR COAL FIRED COMBUSTION UNITS
Sulfur oxide emissions are removed from flue gas of coal fired combustion units using a wet scrubber. A wide variety of other contaminants such as nitrogen oxides, carbon monoxide, arsenic, beryllium, cadmium, hydrochloric acid, chromium, cobalt, hafnium, lead, manganese, mercury, nickel, selenium, benso(a)pyrene can be removed.
February 2005
"WO 2005/037334 A1 (04/28/05) Suminoe Textile Co.,Ltd."
"Seto, Y.; Nakamura, T.; Nishino, Y.; Fukui, N."
DEODORIZING FILTER
"A deodorizing filter consists of a first part operating in a high-pH environment and a second part operating in a low-pH environment. The first part and/or second part preferably comprises an active-carbon-filled paper and, supported thereon, a mixed cobalt phthalocyanine and iron phthalocyanine complex."

 

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