KR890016993A - Apparatus and method for removing water from hydrocarbon and halogenated hydrocarbon mixtures - Google Patents

Abstract

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Description

Apparatus and method for removing water from hydrocarbon and halogenated hydrocarbon mixtures

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1 is a cross-sectional side view of a device according to the invention. 2 is a partial cross-sectional view of one fiber constituting the device according to the invention. 3 is a perspective view partially showing the end of the fiber embedded in the device of the present invention, the fiber forming a perforated end of the fiber passageway for transporting the scavenging stream;

Claims (24)

To remove water and water-soluble substances from a hydrocarbon mixture consisting of a feed source, a reservoir of dried hydrocarbon fluid, a plurality of fibers having an inner and outer surface, and means for contacting the hydrocarbon fluid along the first surface of the fiber to the reservoir from the feed source. For the apparatus, the fibers comprise freestanding diffusion means and the non-porous copper ammonium cellulose membrane forms a continuous surface such that only water and water-soluble materials diffuse from the hydrocarbon mixture, and the hydrocarbon mixture passes once along the length of the fiber. And water removal means having a diffusion activity to remove at least 95% of water and water-soluble substances from the hydrocarbon mixture. The device of claim 1, wherein each fiber has an average thickness of between 9.5 and 10.5 microns between the inner and outer surfaces. 3. An apparatus according to claim 2, wherein said water removing means comprises a sweep stream of air flowing along the second surface of the fiber. 4. The device of claim 3, wherein the first surface comprises an outer surface of the fiber and the second surface comprises an inner surface. A method of removing water and water-soluble substances from a hydrocarbon mixture, the hydrocarbon mixture is brought into direct contact along a continuous freestanding surface of a fiber made of a plurality of hollow nonporous ammonium cellulose, and the hydrocarbon fluid contacts the fiber surface. Thereby selectively passing only water and water-soluble substances from the hydrocarbon mixture into the fiber by diffusion, and water and water-soluble substances diffused into the fiber having a diffusion activity that removes at least 95% of water and water-soluble substances from the hydrocarbon mixture. The method consists of the steps removed. 6. The method of claim 5, wherein the means for removing water and water-soluble substances is passed through the scrub stream in a direction opposite to that of the hydrocarbon mixture. The method of claim 6, wherein the hydrocarbon mixture is transferred along the outer surface of the fiber and water and water soluble substances are removed along the inner surface. 8. The method of claim 7, wherein the water and water soluble material diffuses across an average thickness of 9.5 to 10.5 microns from the outer surface to the inner surface. A method of removing water and water-soluble substances from a hydrocarbon mixture by transferring the first water-containing hydrocarbon mixture into contact with one side of the non-porous fiber, applying a self-supporting fiber made of a copper ammonium cellulose-based material as a permeation membrane, Maintaining the diaphragm hardness of water and water soluble materials diffusing across the interior of the fiber and diffusing to remove at least 95% of the water and water soluble materials from the hydrocarbon mixture during one pass through the fiber. In the method of drying a water-containing hydrocarbon stream using hollow fiber, a cellulose fiber regenerated from hydrophilic copper ammonium of a non-porous hollow body which does not pass hydrocarbon is provided, and the water-containing hydrocarbon stream is Water vapor in the air stream is brought into contact with the outer surface to be absorbed by the fiber and diffused into the fiber path, and a dry material is removed from the fiber by passing a material air stream through the fiber path to remove water passing through the fiber. Way. The method of claim 10 wherein the material air stream is moved in a direction opposite to the water-containing gas. The method of claim 11, wherein the fibers consist of copper ammonium cellulose and the water-containing gas consists primarily of methane. The method of claim 12, wherein the permeability of the fiber membrane to water is at least 20 ml / hr.mmHg.m ² . In a method of drying a wet air stream of hydrocarbons using hollow fiber, a non-porous, self-supporting hollow fiber made of copper ammonium cellulose is applied, and the wet hydrocarbon air stream is brought into contact with the outer surface of the fiber to contain the air stream. Absorbing moisture to diffuse into the fiber passage, removing the water absorbed into the fiber passage, and separating the dried gas. The method of claim 14, wherein the material constituting the fibers has a permeability of at least 20 ml / hr.mmHg.m ² with respect to water. 16. The method of claim 15, wherein the humid air stream is generally comprised of methane. An apparatus for separating water from a mixture of water and hydrocarbons or halogenated hydrocarbons, the apparatus comprising: separating means including a diaphragm comprising fibers with inner and outer surfaces of a nonporous, self-supporting hollow body made of copper ammonium cellulose; A first conduit for bringing a mixture of hydrocarbons or halogenated hydrocarbons and water into contact with one side of the fiber to direct absorption of the diffusion of water to the other side of the fiber; A device comprising removal means for removing water from the other side of the fiber. 18. The apparatus of claim 17, wherein the removal means comprises a second conduit for removing water from the other side of the fiber by the end force. 19. The method of claim 18, wherein the separating means communicates the mixture from the housing and communicates with the first inlet of the fiber and the water inlet connected to a mixture inlet to one side of the fiber taking the mixture and to a fluid passageway between the other side of the fiber and the second conduit. And a recirculation means comprising a mixture outlet separate from the mixture inlet for withdrawal and continuing to increase the concentration of the mixture by recycling the mixture to the mixture inlet and removing water as it passes through the first side of the fiber. 20. The apparatus of claim 19, wherein the recirculation means comprises a storage means for recycling the mixture, the storage means comprising an inlet for injecting additional mixture therein and valve means for selectively adjusting the amount of the added mixture. Device. In a method for separating water from a mixture of water and a hydrocarbon or halogenated hydrocarbon, the mixture is passed through contact with one side of a fiber bundle composed of nonporous, self-supporting hollow fiber composed of copper ammonium cellulose, having an inner and outer surface, and water from the mixture. Absorbing the fibers to diffuse water to the opposite side of the fibers, removing water from the other side of the fiber, and removing the remaining mixture from the initial side of the fiber. The method of claim 21, wherein removing water is by gravity. 23. The method of claim 22 including passing the concentration of the mixture by recycling the mixture removed from the initial side of the fiber back to the initial side and removing the water as it passes through the fiber. The method of claim 23, wherein the recycling step stores the mixture removed from the second side of the fiber, optionally mixes the added mixture with the stored mixture, and optionally transfers the stored mixture to the first side of the fiber. ※ Note: The disclosure is based on the initial application.