Abstract: Described herein is a filtration medium and method for treating a chloramine-containing liquid. The active chloramine removal material comprises carbon, nitrogen, and sulfur, and the sum of the sulfur and nitrogen in the active chloramine removal material is at least 4.0 mass %.

Abstract: Provided are filtration media and matrixes comprising a pulverized powder of ion exchange resin and a polymeric binder. The resin can be pulverized to an average particle size in the range of 50 to 250 microns and can comprise a cation exchange resin, an anion exchange resin, a chelating resin, a biologically-related ion exchange resin, or combinations thereof. The media can further comprise activated carbon. The binder can be ultra high molecular weight polyethylene. The filtration media can be used to make matrixes and systems. Methods of making and using the same are also provided.

Abstract: Described herein is a method of removing mercury from an aqueous solution comprising: providing an aqueous solution comprising chloramine and mercury; and contacting the aqueous solution with a medium comprising a porous carbon substrate comprising at least 1.5% by mass of sulfur.

Abstract: Described herein is a filtration medium comprising a substrate, wherein the substrate comprises a thermolysis product of (i) a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x and y are greater than 0; and (ii) a metal salt; and methods of removing chloramine from aqueous solutions.

Abstract: Described herein is a filtration medium comprising a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x is no more than 0.1 and y is 0.005 to 0.3; a filtration device comprising the filtration medium; and methods of removing chloramines from aqueous solutions.

Abstract: Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal carboxylate; and methods of removing chloramines from aqueous solutions.

Abstract: Described herein is a liquid filtration device is disclosed a vessel for treating an aqueous liquid, wherein the vessel contains a filtration medium and wherein the filtration medium comprises a metal sulfide, wherein the sulfur in the form of a metal sulfide is at least 0.5% by weight of the filtration media.

Abstract: Described herein is a filtration medium comprising a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x is no more than 0.1 and y is 0.005 to 0.3; a filtration device comprising the filtration medium; and methods of removing chloramines from aqueous solutions.

Abstract: Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal salt wherein the salt is selected from nitrogen-containing oxyanions, sulfur-containing anions, chlorides, phosphates, and combinations thereof; and methods of removing chloramines from aqueous solutions.

Abstract: Described herein is a filtration medium comprising a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x is no more than 0.1 and y is 0.005 to 0.3; a filtration device comprising the filtration medium; and methods of removing chloramines from aqueous solutions.

Abstract: Described herein is a filtration medium and method for treating a chloramine-containing liquid. The active chloramine removal material comprises carbon, nitrogen, and sulfur, and the sum of the sulfur and nitrogen in the active chloramine removal material is at least 4.0 mass %.

Abstract: Described is a method of removing chlorine from an aqueous solution by: providing an aqueous solution having chloramine and/or chlorine; and contacting the aqueous solution with a medium having a porous carbon substrate having at least 1.5% by mass of sulfur.

Abstract: Described herein is a method of removing mercury from an aqueous solution comprising: providing an aqueous solution comprising chloramine and mercury; and contacting the aqueous solution with a medium comprising a porous carbon substrate comprising at least 1.5% by mass of sulfur.

Abstract: Described herein is a method of removing organic compounds from an aqueous solution comprising: providing an aqueous solution comprising chloramine and an organic compound; and contacting the aqueous solution with a medium comprising a porous carbon substrate comprising at least 1.5% by mass of sulfur.

Abstract: Provided are filtration media and matrixes comprising a pulverized powder of ion exchange resin and a polymeric binder. The resin can be pulverized to an average particle size in the range of 50 to 250 microns and can comprise a cation exchange resin, an anion exchange resin, a chelating resin, a biologically-related ion exchange resin, or combinations thereof. The media can further comprise activated carbon. The binder can be ultra high molecular weight polyethylene. The filtration media can be used to make matrixes and systems. Methods of making and using the same are also provided.

Abstract: Provided are plasma-treated binders for use in filtration media comprising sorbent media. Plasma treatment can use silane, oxygen, or both. Plasma-treated binders can be charge-modified with the addition of an anti-microbial agent. The filtration media can be used to make matrixes and systems. Methods of making and using the same are also provided.

Abstract: Described herein is a liquid filtration device is disclosed a vessel for treating an aqueous liquid, wherein the vessel contains a filtration medium and wherein the filtration medium comprises a metal sulfide, wherein the sulfur in the form of a metal sulfide is at least 0.5% by weight of the filtration media.

Abstract: A filter medium comprises: a) 55 to 80 percent by weight of activated carbon particles having a D50 of 70 to 130 micrometers and a D10 of 25 to 50 micrometers; b) 5 to 20 percent by weight of first catalytic activated carbon particles having a D50 in a range of 20 to 40 micrometers and a D10 of 2 to 20 micrometers; and c) 10 to 30 percent by weight of a thermoplastic binder that binds at least the activated carbon particles and the catalytic activated carbon particles into a porous unitary body, wherein the percent by weight of components a)-c) is based upon a total weight of components a)-c). A water filtration system including the filter medium is also disclosed.

Abstract: Described herein is a filtration medium comprising a substrate, wherein the substrate comprises a thermolysis product of (i) a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x and y are greater than 0; and (ii) a metal salt; and methods of removing chloramine from aqueous solutions.

Abstract: Described herein is a liquid filtration device is disclosed comprising a fluid conduit fluidly connecting a fluid inlet to a fluid outlet; and a water filtration medium disposed in the fluid conduit; the water filter medium comprising a metal-containing particulate, wherein the metal-containing particulate comprises a thermolysis product of a metal carboxylate; and methods of removing chloramines from aqueous solutions.