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:
Mar. 15, 2016
Filed:
Aug. 21, 2012
Klaus S. Lackner, Dobbs Ferry, NY (US);
Klaus S. Lackner, Dobbs Ferry, NY (US);
The Trustees of Columbia University in the City of New York, New York, NY (US);
Abstract
Methods and systems for producing a moisture swing sorbent for carbon dioxide capture from air are disclosed. In some embodiments, the methods include the following: providing a heterogeneous ion-exchange material; soaking the material in deionized water; washing the material in hydroxide or carbonate solutions; rinsing the material in deionized water; collecting and titrating residuals of the soaking and the washing steps into a residual solution; measuring an amount of chloride in the residual solution; repeating all of the steps if the amount of chloride measured in the residual solution is greater than zero; and drying the material with either dry nitrogen gas or air free of carbon dioxide and water.