1
Ramsay Chang, Massoud Rostam Abadi, Sharon Sjostrom: Method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents. Electric Power Research Institute, Pennie & Edmonds, May 6, 2003: US06558454 (95 worldwide citation)

A process for removing vapor phase contaminants from a gas stream includes the step of adding a raw carbonaceous starting material into a gas stream having an activation temperature sufficient to convert the raw carbonaceous starting material into an activated material in-situ. The raw carbonaceous ...


2
Sharon Sjostrom, Ramsay Chang: Apparatus and method for the removal of contaminants in gases. Electric Power Research Institute, William S Pennie & Edmonds Galliani, October 24, 2000: US06136072 (37 worldwide citation)

An apparatus and method are described for removing vapor phase contaminants from a gas stream by placing a porous element having a sorbent material into ductwork through which the gas stream passes. In a first mode of operation, vapor phase contaminants are adsorbed by the sorbent. In a second mode ...


3
Sharon Sjostrom, Ramsay Chang: Apparatus and method for the removal of contaminants in gases. Electric Power Research Institute, William S Pennie & Edmonds Galliani, September 7, 1999: US05948143 (33 worldwide citation)

An apparatus and method are described for removing vapor phase contaminants from a gas stream by placing a porous tube having a sorbent material into ductwork through which the gas stream passes. In a first mode of operation, vapor phase contaminants are adsorbed by the sorbent. In a second mode of ...


4
Ramsay Chang, Sharon Sjostrom: Method and apparatus for renewable mercury sorption. Electric Power Research Institute, Morgan Lewis & Bockius, March 30, 2004: US06712878 (28 worldwide citation)

A method of removing trace contaminants, such as mercury, from a flue gas by passing the gas over a sorbent structure on which is coated a renewable layer of sorbent. The sorbent structure can be a tube or plate and can be porous or non-porous and is placed inside a duct through which the flue gas f ...


5
Kenneth E Baldrey, Sharon Sjostrom, Nina Bergan French, Michael D Durham: Additives for mercury oxidation in coal-fired power plants. ADA ES, Sheridan Ross P C, February 28, 2012: US08124036 (25 worldwide citation)

The present invention is directed to an additive, primarily for combustion of low sulfur and high alkali coals, that includes a transition metal to impact positively bottom ash slag and optionally a halogen to effect mercury oxidation and collection in the flue gas.


6
Ramsay Chang, Sharon Sjostrom: Method and apparatus for removing vapor phase contaminants from a flue gas stream. Electric Power Research Institute, Pennie & Edmonds, February 24, 2004: US06695894 (23 worldwide citation)

The present invention provides a method and apparatus for removing trace contaminants from a gas stream or flue gas. In one embodiment, the present invention an apparatus for removing a trace contaminant from a gas stream, comprising a gas duct configured to receive a gas stream comprising a trace c ...


7
Michael Dean Durham, Richard John Schlager, Timothy George Ebner, Robin Michele Stewart, David E Hyatt, Cynthia Jean Bustard, Sharon Sjostrom: Liquid additives for particulate emissions control. ADA Technologies Solutions, Douglas W Swartz, Sheridan Ross P C, January 5, 1999: US05855649 (16 worldwide citation)

The present invention discloses a process for removing undesired particles from a gas stream including the steps of contacting a composition containing an adhesive with the gas stream; collecting the undesired particles and adhesive on a collection surface to form an aggregate comprising the adhesiv ...


8
Michael Dean Durham, Richard John Schlager, Timothy George Ebner, Robin Michele Stewart, David E Hyatt, Cynthia Jean Bustard, Sharon Sjostrom: Method for removing undesired particles from gas streams. ADA Environmental Solutions, Douglas W Sheridan Ross P C Swartz, November 10, 1998: US05833736 (16 worldwide citation)

The present invention discloses a process for removing undesired particles from a gas stream including the steps of contacting a composition containing an adhesive with the gas stream; collecting the undesired particles and adhesive on a collection surface to form an aggregate comprising the adhesiv ...


9
Kenneth E Baldrey, Sharon Sjostrom, Nina Bergan French, Michael D Durham: Additives for mercury oxidation in coal-fired power plants. ADA ES, Sheridan Ross P C, October 23, 2012: US08293196 (15 worldwide citation)

The present invention is directed to an additive, primarily for combustion of low sulfur and high alkali coals, that includes a transition metal to impact positively bottom ash slag and optionally a halogen to effect mercury oxidation and collection in the flue gas.


10
Ramsay Chang, Sharon Sjostrom: Method and apparatus for removing vapor phase contaminants from a flue gas stream. Electric Power Research Institute, Morgan Lewis & Bockius, June 14, 2005: US06905534 (13 worldwide citation)

The present invention provides a method and apparatus for removing trace contaminants from a gas stream or flue gas. In one embodiment, the present invention an apparatus for removing a trace contaminant from a gas stream, comprising a gas duct configured to receive a gas stream comprising a trace c ...