Patent ID: 9475030
Filing Date: 2016-10-25
CPC Classification: B01D,B01J

Claim Text:
1. An acid gas sorbent composition comprising a compound of formula (I): wherein F is at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, or an amine-containing organosilane; B is a hygroscopic solid at a water to solid molar ratio of about 0.1 to about 6, wherein B is selected from alkali, alkali-earth, or a. lanthanide metal oxide, hydroxide, carbonate, and bicarbonate, said B containing at least one metal cation selected from calcium, magnesium, strontium, barium, sodium, lithium, potassium, cesium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, scandium, ytterbium, yttrium, and erbium; and the molar ratio of y/x is about 0.01 to about 0.5.