TH48590A - Systems for incomplete recovery of carbon dioxide from feed fluids - Google Patents

Abstract

DC60 (28/08/43) System for the recovery of adsorbed substances such as carbon dioxide using fluid. That is a type of alkylamine adsorbent Where to heat this packed absorbent in sequence Two heating steps before the separation of the adsorbed material from the adsorbent and where the filled sorbent is deoxygenated after the dosing process. First stage heating and before the second stage heating Systems for regeneration of adsorbed substances such as carbon dioxide using fluid. That is a type of alkylamine adsorbent Where to heat this packed absorbent in sequence Two heating steps before the separation of the adsorbed material from the adsorbent and where the filled sorbent is deoxygenated after the dosing process. First stage heating and before the second stage heating

Claims (9)

1.Methods for incomplete feed fluid carbon dioxide recovery, including (A) incomplete feeding fluid arrangements. Which consists of oxygen and Carbon dioxide in contact mass transfer with sorbents, which include At least one type of alkalamine And the passage of oxygen and carbon dioxide from this incomplete feed flow to this sorbent to obtain the sorbent containing Carbon dioxide containing dissolved oxygen (B) heating the sorbent with this carbon dioxide container to obtain The adsorbent contains preheated carbon dioxide (C). Removal of at least a certain degree of this dissolved oxygen from the containing sorbent. With this carbon dioxide to obtain an oxygen-free carbon dioxide-containing sorbent and (D) further heating for the carbon-free carbon-containing sorbent. From this oxygen And recovering the carbon dioxide from the adsorbent after that 2. Method of claim 1 where dissolved oxygen is also removed from the sorbent. This carbon dioxide By reducing the pressure of the adsorbent containing this carbon dioxide and flashing (flashing) the dissolved oxygen. 3. Method of claim 1, where dissolved oxygen is also removed from the absorbent. This carbon dioxide By leaching oxygen from the adsorbent containing this carbon dioxide to Gas for removing oxygen 4. A machine for recovery of the adsorbed substance from the oxygen-containing feed fluid, it is composed of (A) adsorption column. Path for the passage of the feed fluid, which includes Oxygen and its adsorbed substances go to the lower part of this sorption column. And the way for Through a sorbent containing at least one type of alkalamine into the upper part of the This absorption column (B), the first heat exchanger. Oxygen separator Way for Passing the fluid from the bottom of this absorption column to the first heat exchanger and the path for the fluid passage from this first heat exchanger to the machine. Separate this oxygen (C), a second heat exchanger and a path for fluid passage from This oxygen separator goes to this second heat exchanger and (D) the adsorbed recovery system. Path for the passage of fluid from the machine This second heat exchanger to this sorbent recovery system and a means for the recovery of the adsorbed material from this sorbent recovery system. 5. Apparatus of claim 4, where this oxygen separator will consist of a flash tank and Vacuum pump 6. Apparatus of claim 4, where this oxygen separator shall be equipped with a flushing device. 7.Methods for recovery of sorbent feed fluids containing oxygen, including (A) preparation of feed fluids consisting of oxygen and sorbent substances. In contact mass transfer with sorbent consisting of at least one type of alkanolamine and the transmission of oxygen and the adsorbed substance from the feed fluid to the sorbent. To obtain sorbent Contains sorbent containing dissolved oxygen (B) Heating the sorbent contains the sorbent to obtain the sorbent. Contains the heated adsorbent (C). Removal of this dissolved oxygen from the adsorbent contains this adsorbent. To a certain extent, to obtain the sorbent containing the oxygen-free sorbent, and (D) further heating for the sorbent containing the adsorbed substance, which free From this oxygen and subsequent recovery of the adsorbed substances from this sorbent 8. Method of claim 7 where dissolved oxygen is removed from the absorbent containing the This adsorption is obtained by reducing the pressure of the adsorbent, containing this adsorbed substance, and the flash of dissolved oxygen. 9.Method of claim 7, where dissolved oxygen is removed from the absorbent The adsorbed material by leaching from the adsorbent contains the adsorbed substance to the oxygen evacuation gas 1. 0. Method of claim 7 where this sorbent substance contains hydrogen sulfide.