	US 12,239,953 B2
	Biogenic porous carbon silicon dioxide compositions
James A Mennell, Brighton, UT (US); Daniel J. Despen, Oakdale, MN (US); and Dustin Slack, Oakdale, MN (US)
Assigned to Carbon Technology Holdings, LLC, Oakdale, MN (US)
Appl. No. 17/250,179
Filed by Carbon Technology Holdings, LLC, Oakdale, MN (US)
PCT Filed Jun. 13, 2019, PCT No. PCT/US2019/036881 § 371(c)(1), (2) Date Dec. 9, 2020, PCT Pub. No. WO2019/241463, PCT Pub. Date Dec. 19, 2019.
Claims priority of provisional application 62/685,126, filed on Jun. 14, 2018.
Prior Publication US 2021/0220801 A1, Jul. 22, 2021
Int. Cl. B01J 20/20 (2006.01); B01J 20/10 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01)

CPC B01J 20/20 (2013.01) [B01J 20/103 (2013.01); B01J 20/28004 (2013.01); B01J 20/28011 (2013.01); B01J 20/3007 (2013.01); B01J 20/3028 (2013.01); B01J 20/3078 (2013.01); B01J 2220/42 (2013.01)]

14 Claims

1. A high-carbon biogenic reagent composition comprising, on a dry basis:

at least about 50 wt % total carbon,

at most about 5 wt % hydrogen,

at most about 1 wt % nitrogen,

at most about 0.5 wt % phosphorus,

at most about 0.2 wt % sulfur,

at most about 0.02 wt % titanium,

at most about 0.5% calcium,

at most about 0.1% aluminum, and

silicon dioxide;

wherein the total carbon comprises biogenic carbon;

wherein the silicon dioxide is comprised within river rock or

wherein the silicon dioxide is comprised within silica fume.