Patent ID: 9283539
Filing Date: 2016-03-15
CPC Classification: B01D,B01J,C01G,C01P,Y02P

Claim Text:
1. A desulfurizer comprising 88-93 wt. % of a composition comprising amorphous iron oxide hydroxide and 7-12 wt. % of an organic binder, wherein the composition comprising amorphous iron oxide hydroxide is prepared according to the following steps: (1) preparing a ferrous salt solution; (2) mixing the ferrous salt solution with a carbonate solution, a bicarbonate solution, a carbonate solid, or a bicarbonate solid to form a first mixture, and allowing the first mixture to react to yield a second mixture; (3) filtering the second mixture to remove generated soluble salt and yield a filter cake; and (4) charging the filter cake with a gas comprising oxygen to yield the composition comprising the amorphous iron oxide hydroxide.