High-purity gas purifiers for purification of corrosive gases, such as halogen gases or halide gases, and noncorrosive gases, such as hydrogen and inert gases, methods of making and methods of using the gas purifiers, are described. The gas purifier includes a housing made of nickel or stainless ste
High-purity gas purifiers for purification of corrosive gases, such as halogen gases or halide gases, and noncorrosive gases, such as hydrogen and inert gases, methods of making and methods of using the gas purifiers, are described. The gas purifier includes a housing made of nickel or stainless steel. Within the housing, the gas purifier includes a purifier resin, including a modifier coated onto a substrate. The gas purifier further includes porous nickel membranes located at the inlets and outlets of the device. The inlets and outlets are capable of fluid communication with external fixtures.
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1. A gas purifier, comprising: a nickel housing;a nickel inlet end cap and a nickel outlet end cap, the inlet and outlet caps attached to opposing ends of the housing, the inlet and outlet end caps each having a fluid fitting external to the housing with a sealing surface for sealingly coupling to e
1. A gas purifier, comprising: a nickel housing;a nickel inlet end cap and a nickel outlet end cap, the inlet and outlet caps attached to opposing ends of the housing, the inlet and outlet end caps each having a fluid fitting external to the housing with a sealing surface for sealingly coupling to external fixtures;a purifier media centrally disposed within the nickel housing;an inlet porous nickel membrane situated between the inlet end cap and the purifier media; andan outlet porous nickel membrane situated between the outlet end cap and the purifier media. 2. The gas purifier of claim 1, wherein the purifier media is a coating material coated onto a porous carbon or alumina support. 3. The gas purifier of claim 2, wherein the coating material is a Group I or Group II halide salt. 4. The gas purifier of claim 2, wherein the coating material is a fluoride salt. 5. The gas purifier of claim 2, wherein the concentration of coating material is about 5% to 75% by weight. 6. The gas purifier of claim 2, wherein the concentration of coating material is about 10% to 40% by weight. 7. The gas purifier of claim 2, wherein the concentration of coating material is about 15% to 30% by weight. 8. The gas purifier of claim 1, wherein the housing, the end caps, and the fluid fittings have a surface finish of less than about 15 micro Ra on fluid-facing surfaces. 9. The gas purifier of claim 1, wherein the fluid fittings are formed from stainless steel welded to the end caps. 10. The gas purifier of claim 1, wherein the purifier media includes first and second beds of purifier media, and further comprising a media separator situated within the housing between the inlet and outlet porous nickel membranes, the media separator separating the first bed of purifier media from the second bed of purifier media. 11. A gas purifier, comprising: a base having an inlet port and an outlet port and optionally configured to be removably fixed to a surface of an external fixture;an elongated outer shell connected to the base on a first end and enclosed on a second end;an elongated inner nickel shell, disposed within the outer shell with a gap therebetween, a first end of the inner shell in fluid communication with the inlet port, a second end of the inner shell in fluid communication with the gap, the gap in fluid communication with the outlet port;an inlet porous nickel membrane situated within the inner shell and located near the first end of the inner shell;an outlet porous nickel membrane situated within the inner shell and located near the second end of the inner shell; anda purifier media disposed between the inlet and outlet porous nickel membranes. 12. The gas purifier of claim 11, wherein the outer shell is stainless steel. 13. The gas purifier of claim 11, wherein the outer shell is nickel. 14. The gas purifier of claim 11, wherein the purifier media is a Group I or Group II halide salt coated onto a porous carbon or alumina support. 15. The gas purifier of claim 11, wherein the purifier media is a fluoride salt coated onto a porous carbon or alumina support. 16. The gas purifier of claim 11, wherein the purifier media includes first and second beds of purifier media, and further comprising a media separator situated within the inner shell between the inlet and outlet porous nickel membranes, the media separator separating the first bed of purifier media from the second bed of purifier media. 17. The gas purifier of claim 11, wherein the inner shell, the outer shell, and the inlet and outlet ports have a surface finish of less than about 15 micro Ra on fluid-facing surfaces. 18. A method of purifying a gas, comprising: providing a gas purifier of claim 1;introducing a gas containing contaminants into the gas purifier, the gas travelling through a flowpath from the inlet port/end cap, through the inlet porous nickel membrane, the purifier media, and the outlet porous nickel membrane, to the outlet port/end cap, the contaminants remaining within the membranes and purifier media; andrecovering the gas, purified from contaminants, from the outlet port/end cap. 19. The method of claim 18, wherein the gas is a halide gas, hydrogen halide, silicon halide, nitrogen halide or organohalide. 20. The method of claim 18, wherein the purifier media is magnesium halide salt coated onto a porous carbon or alumina support. 21. The method of claim 18 where the purifier media is a fluoride salt coated onto a porous carbon or alumina support. 22. A method of making a gas purifier, comprising: exposing porous material with a solution containing a coating substance;heating the porous material and the coating substance to create a purifier media;placing the purifier media into a nickel housing or a nickel shell of a purifier body, the purifier media disposed between an inlet porous nickel membrane and an outlet porous nickel membrane, forming the gas purifier of claim 1;conditioning the purifier media by providing a flow of purified gas to the inlet port/end cap, the purified gas moving through the purifier media and out the outlet port/end cap; and purging the purifier media by providing a flow of inert gas to the inlet port/end cap, the inert gas moving through the purifier media and out the outlet port/end cap.
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이 특허에 인용된 특허 (7)
Flynn Paul E. (Wernersville PA) Wersant Peter D. (Sinking Spring PA), Apparatus for water vapor removal from a compressed gas.
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