Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reac
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25B-001/02
C25B-013/04
출원번호
US-0618792
(1990-11-27)
발명자
/ 주소
Mazanec Terry J. (Solon OH) Cable Thomas L. (Newbury OH) Frye
Jr. John G. (Solon OH) Kliewer Wayne R. (Solon OH)
출원인 / 주소
The Standard Oil Company (Cleveland OH 02)
인용정보
피인용 횟수 :
181인용 특허 :
0
초록▼
Solid membranes comprising an intimate, gas-impervious, multi-phase mixture of an electronically-conductive material and an oxygen ion-conductive material and/or a mixed metal oxide of a perovskite structure are described. Electrochemical reactor components, such as reactor cells, and electrochemica
Solid membranes comprising an intimate, gas-impervious, multi-phase mixture of an electronically-conductive material and an oxygen ion-conductive material and/or a mixed metal oxide of a perovskite structure are described. Electrochemical reactor components, such as reactor cells, and electrochemical reactors are also described for transporting oxygen from any oxygen-containing gas to any gas or mixture of gases that consume oxygen. The reactor cells generally comprise first and second zones separated by an element having a first surface capable of reducing oxygen to oxygen ions, a second surface capable of reacting oxygen ions with an oxygen-consuming gas, an electron-conductive path between the first and second surfaces and an oxygen ion-conductive path between the first and second surfaces. The element may further comprise (1) a porous substrate, (2) an electron-conductive metal, metal oxide or mixture thereof and/or (3) a catalyst. The reactor cell may further comprise a catalyst in the zone which comprises a passageway from an entrance end to an exit end of the element. Processes described which may be conducted with the disclosed reactor cells and reactors include, for example, the partial oxidation of methane to produce unsaturated compounds or synthesis gas, the partial oxidation of ethane, substitution of aromatic compounds, extraction of oxygen from oxygen-containing gases, including oxidized gases, ammoxidation of methane, etc. The extraction of oxygen from oxidized gases may be used for flue or exhaust gas cleanup.
대표청구항▼
A solid multi-component membrane for use in an electrochemical reactor characterized by (1) an intimate, gas-impervious, multi-phase mixture of an electronically-conductive phase and an oxygen ion-conductive phase wherein at least one of said phases is a mixed metal oxide having a perovskite structu
A solid multi-component membrane for use in an electrochemical reactor characterized by (1) an intimate, gas-impervious, multi-phase mixture of an electronically-conductive phase and an oxygen ion-conductive phase wherein at least one of said phases is a mixed metal oxide having a perovskite structure represented by the formula: AsA′tBuB′vB″wOx wherein A represents a lanthanide, Y, or mixture thereof; A′represents an alkaline earth metal or mixture thereof; B represents Fe; B′represents Cr, Ti, or mixture thereof; and B″represents Mn, Co, V, Ni, Cu, or mixture thereof and s, t, u, v, w, and x each represent a number such that: s/t equals from about 0.01 to about 100; u equals from about 0.01 to about 1; v equals from about 0.01 to 1; w equals from zero to about 1; x equals a number that satisfies the valences of the A, A′, B, B′and B″in the formula; and 0.91.1; or (2) a mixed metal oxide material having a perovskite structure represented by the formula: AsA′tBuB′vB″wOx wherein A represents a lanthanide or Y, or a mixture thereof; A′represents an alkaline earth metal or a mixture thereof; B represents Fe; B′represents Cr or Ti, or a mixture thereof; and B″represents Mn, Co, V, Ni or Cu, or a mixture thereof and s, t, u, v, w, and x each represent a number such that: s/t equals from about 0.01 to about 100; u equals from about 0.01 to about 1; v equals from about 0.01 to 1; w equals from zero to about 1; x equals a number that satisfies the valences of the A, A′, B, B′and B″in the formula; and 0.91.1. The membrane of claim 9 wherein B′is at least chromium.
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