1
Ky Dangtran, Troy C Holst: Method for the removal of mercury and nitrogen oxides from combustion flue gas. Infilco Degremont, Schnader Harrison Segal & Lewis, April 23, 2002: US06375909 (74 worldwide citation)

The process is by injection of calcium chloride into the combustor and lowering the flue gas temperature in sufficient time to enhance oxidation of mercury and nitrogen oxides into more soluble products prior to their absorption in a wet scrubber. The additive also increases the alkalinity and the p ...


2
Abner B Turner: Apparatus for treating industrial and domestic waste waters. Degremont, Wenderoth Lind & Ponack, May 11, 1976: US03956128 (61 worldwide citation)

A system for treating waste waters including a pair of concentric tanks forming a space therebetween which serves as an aeration chamber. Untreated but screened waste water is discharged into the (annular) space and withdrawn therefrom by a pump which passes the liquid through an oxygenating device ...


3
Jean Marie Rovel, Claude Prevot, Roger Nicol: Process and apparatus for the anaerobic treatment of waste water in a filter including granular material. Degremont, Wenderoth Lind & Ponack, November 13, 1984: US04482458 (56 worldwide citation)

Waste water to be treated is introduced into a filter including granular material for supporting the biomass resulting from an anaerobic treatment operation. During such treatment operation biogas is formed, and the waste water being treated and the granular material supporting the biomass are conti ...


4
Robert Louboutin, Vincent Savall, Patrick Vion: Apparatus for the rapid in-line mixing of two fluids. Degremont, Wenderoth Lind & Ponack, January 6, 1987: US04633909 (52 worldwide citation)

An apparatus for the rapid in-line mixing of an additive fluid with a primary fluid includes a conduit for passing therethrough in a direction of flow a primary fluid. A nozzle is positioned within the conduit and has an outlet. A pipe supplies an additive fluid to the nozzle, such that the additive ...


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Jean Durot, Claude Prevot: Fluid bed reactor for the biological treatment of water. Societe Degremont, Sandler & Greenblum, November 17, 1987: US04707252 (38 worldwide citation)

A reactor for aerobically or non-aerobically treating a fluid flowing from the bottom to the top of the reactor through a fluidized bed of granular material. The reactor includes a base having an orifice therein, through which fluid flows into the reactor and in which gas is added to the fluid. A ho ...


7
Kelly Robert F, Pudvay Michael, Lau Antonio: Methods and systems for biological treatment of flue gas desulfurization wastewater. Infilco Degremont, Kelly Robert F, Pudvay Michael, Lau Antonio, CHRISTENBURY T Daniel, March 6, 2008: WO/2008/027259 (36 worldwide citation)

Systems and methods of treating flue gas and wastewater generated by treating the flue gas are disclosed and include introducing the flue gas, a flue gas treatment fluid that removes sulfur dioxide from the flue gas; and an organic acid conditioning agent into a wet-oxidation scrubber/absorber; intr ...


8
Jean Le Fur, Rene Haas: Process and system for the dehydration of residues. Degremont, Wenderoth Lind & Ponack, March 6, 1979: US04142971 (35 worldwide citation)

A system for the dehydration of residues such as sludge includes first and second endless filter belts which move at identical speeds in endless paths. A residue to be dehydrated is supplied between the two filter belts which pass together in alteration around a perforated drum and a plurality of ro ...


9
Robert Louboutin, Jean Gibaud: Submerged filter filled with granular material. Degremont, Wenderoth Lind & Ponack, August 5, 1986: US04604197 (29 worldwide citation)

A submerged filter includes filtering matter in the form of a granular material contained in a vat having a floor for supporting the granular material. The liquid to be treated flows from the bottom to top and is brought into contact with a gas serving for the treatment of the liquid and circulating ...


10
Jacques Bernard, Jean Marie Rovel, Roger Nicol, Claude Prevot: Apparatus for the anaerobic filtration of waste water. Degremont, Wenderoth Lind & Ponack, December 31, 1985: US04561974 (28 worldwide citation)

An apparatus for the anaerobic filtration of waste water includes a filter of filling material through which the waste water to be treated is passed from the bottom to the top. The filter includes upper and lower superposed layers of filling material separated by an intermediate layer of material. T ...



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