WO 2016/185033 A1

Lime-based sorbent composition for mercury removal and its manufacturing process

(22) 20.05.2016

(43) 24.11.2016

(57) Sorbent composition containing core-shell particles for removing heavy metals, in particular, mercury from gases, wherein the core comprises a calcium-magnesium compound fitting the formula

aCaCO3.bMgCO3.xCaO.yMgO.zCa(OH)2.tMg(OH)2.ul,

wherein I represents impurities, a, b, x, y, z and t each being mass fractions > 0 and ≤ 100 %, u being mass fraction > 0 and < 20 % by weight, and is coated with a shell presenting a thickness comprised in the range of 50 nm to 20 μm, and comprising at least a metal salt and a sulfur-based compound and its manufacturing process.

(71) S.A. Lhoist Recherche et De­veloppement, rue Charles Dubois 28, 1342 Ottignies-Louvain-la-Neuve (BE)

(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)

Related articles:

6/2018 US9963386 (B1)

Method of manufacturing hydrated lime

(22) 16.05.2017 (43) 08.05.2018 (57) A method of providing highly reactive hydrated lime and the resultant lime hydrate where an initial lime feed comprising calcium and impurities is first ground to...

more
9/2015 WO 2015/104466 A1

Hydraulic cements based on cement or on cement clinker or on lime, on calcium sulphate, and on a pozzolanic component; ­process for the manufacturing thereof and uses thereof

(22) 10.01.2014 (43) 16.07.2015 (57) The present invention relates to a process for preparing a hydraulic cement based on cement or on cement clinker or on lime, and on calcium sulphate in the form of...

more
5/2016 EP 2991945 A1

A method for producing cement

(22) 30.04.2014 (45) 09.03.2016 (57) Summary of corresponding patent WO2014177858 A1: A method for producing calcium sulfoaluminate cement comprises the steps of providing thermal energy by combustion...

more
6/2016 US 2016/0102016 A1

Method for producing cement

(22) 30.04.2014 (43) 14.04.2016 (57) A method for producing calcium sulfoaluminate cement comprises the steps of providing thermal energy by combustion of sulphur and/or a sulphur-containing compound,...

more
1-2/2016 US 2015/0336848 A1

Cement grinding aid composition

(22) 31.05.2013 (43) 26.11.2015 (57) A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary...

more