The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2026
Filed:
Sep. 28, 2020
Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno, 's-Gravenhage, NL;
Ruud Cuypers, Rijswijk, NL;
Leonard Ferdinand Gerard Geers, Valkenburg, NL;
Laurens Daniël Van Vliet, 's-Gravenhage, NL;
Arie Jacobus Kalkman, Zwijndrecht, NL;
Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO, 's-Gravenhage, NL;
Abstract
The invention is directed to a process for the purification of a raw hydrogen gas stream comprising hydrogen gas in an amount of 85-99%, said process comprising the step of contacting said raw hydrogen gas stream with an oxidized bed comprising an oxidized metal resulting in a waste gas stream comprising water and less than 5% hydrogen gas, and in a reduction of said oxidized metal; and a step of contacting a bed comprising a reduced metal with water to produce a purified hydrogen gas stream comprising more than 99% hydrogen gas, preferably comprising 99.97% or more hydrogen gas, and the oxidized metal. In a further aspect, the invention is directed to an apparatus suitable to carry out said process.