Methods of producing hydrochloric acid from hydrogen gas and chlorine gas
AssigneeDeeya Energy, Inc.
InventorsMajid Keshavarz, Saroj Kumar Sahu, Chockkalingam Karuppaiah, Ge Zu, Suresh Kumar Surapalan Nair, Vasanthan Mani
Life of this patent
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Abstract
A method of producing HCl from H2 and Cl2 is provided. In some embodiments, the method comprises at least one photochemical chamber placed in fluid communication with at least one source of H2 and at least one source of Cl2. In some embodiments, the photochemical chamber effects the formation of HCl through the use of at least one source of ultraviolet radiation contained therein. In some embodiments, the HCl product may be captured and used as a gas. In some embodiments, the HCl product may be absorbed into water to form an aqueous HCl solution.
Claims14
A method of producing hydrogen chloride, comprising:
- collecting chlorine gas from a redox flow cell battery system;
- introducing hydrogen and the collected chlorine gas into at least one photochemical chamber containing at least one source of ultraviolet radiation;
- activating the at least one source of ultraviolet radiation, thereby exposing the hydrogen and the chlorine to ultraviolet radiation to produce chlorine gas;
- and
- collecting the produced hydrogen chloride;
- wherein the at least one photochemical
- chamber further comprises at least one sensor for monitoring the ratio of the concentration of hydrogen to chlorine in the chamber;
- and
- wherein the method further comprises monitoring the ratio of the concentration of hydrogen to chlorine in the chamber.
A method of producing hydrogen chloride, comprising:
- collecting hydrogen gas from a redox flow cell battery system;
- introducing the collected hydrogen gas and chlorine gas into at least one photochemical chamber containing at least one source of ultraviolet radiation and at least one sensor for monitoring a ratio of a molar concentration of hydrogen gas to chlorine gas in the chamber;
- activating the at least one source of ultraviolet radiation, thereby exposing the hydrogen gas and the chlorine gas to ultraviolet radiation to produce hydrogen chloride;
- monitoring the ratio of the concentration of hydrogen gas to chlorine gas in the chamber;
- and
- collecting the produced hydrogen chloride.
A redox flow cell battery system comprising:
- a redox flow cell, the redox flow cell comprising:
- positive and negative electrodes disposed in separate half-cell compartments;
- a porous or ion-selective membrane separating the half-cell compartments;
- and an electrolyte that is flowed through the half-cell compartments, wherein the electrolyte comprises chromium ions and iron ions;
- and a
- chamber, comprising an ultraviolet light source, coupled to one or both half-cell compartments, wherein during operation of the flow battery system the chamber collects hydrogen and/or chlorine gas from one or both half-cell compartments and produces hydrogen chloride from the collected gas;
- wherein the
- chamber further comprises at least one sensor for monitoring the ratio of the concentration of hydrogen to chlorine in the chamber;
- and wherein the sensor is configured to monitor the ratio of the concentration of hydrogen to chlorine in the chamber.
Dependencies are inferred from the claim text.