Patent application number | Description | Published |
20110130076 | ALKALINE EARTH CARBONATE CONTAINING MINERAL FOR SURFACE CLEANING - The present invention relates to a dry blasting process for the cleaning of solid surfaces as well as special abrasive pigments suitable therefor and a method for their production. | 06-02-2011 |
20130164411 | MICRONIZED CaCO3 SLURRY INJECTION SYSTEM FOR THE REMINERALIZATION OF DESALINATED AND FRESH WATER - The present invention concerns a process for treating water and the use of calcium carbonate in such a process. In particular, the present invention is directed to a process for remineralization of water comprising the steps of providing feed water, and injecting gaseous carbon dioxide and a slurry into the feed water, wherein the slurry comprises micronized calcium carbonate. | 06-27-2013 |
20130180435 | PROCESS FOR THE PREPARATION OF CEMENT, MORTARS, CONCRETE COMPOSITIONS CONTAINING A CALCIUM CARBONATE-BASED FILLER (PRE) -TREATED WITH A SUPERPLASTICIZER, COMPOSITIONS AND CEMENT PRODUCTS OBTAINED AND THEIR APPLICATIONS - The invention concerns a PROCESS for the preparation of cement/mortar/concrete (for simplicity: “cement”) compositions or systems, (hereafter “cement” compositions or systems for simplicity), of a general known type, in which the filler(s) is/are comprising or consist of “calcium carbonate-based filler(s)”, comprising at least one step where the said filler(s) is/are treated with an efficient treating amount of at least one treating agent consisting of or comprising superplastifier(s). The main purpose of this invention is to build a process aimed at providing improved, “High performance”, FLUID, cement or mortars or concrete systems or compositions having an improved compacity, an improved flowability, and globally speaking a definitely improved “workability”, and “regularity” of the properties of the final systems. The present invention also concerns a filler for “cement” compositions, characterized in that if consists of or comprises, a calcium-carbonate-based filler or blends of same, pre-treated with an “efficient amount” of at least one superplastifier. | 07-18-2013 |
20140209544 | REMINERALIZATION OF DESALINATED AND OF FRESH WATER BY DOSING OF A CALCIUM CARBONATE SOLUTION IN SOFT WATER - The present invention concerns a process for treating water and the use of calcium carbonate in such a process. In particular, the present invention is directed to a process for remineralization of water comprising the steps of providing feed water, providing an aqueous solution of calcium carbonate, wherein the aqueous solution of calcium carbonate comprises dissolved calcium carbonate and reaction species thereof, and combining the feed water and the aqueous calcium carbonate solution. | 07-31-2014 |
20140284519 | SURFACE-TREATED CALCIUM CARBONATE AND ITS USE IN WATER PURIFICATION AND FOR THE DEWATERING OF SLUDGES AND SEDIMENTS - The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising a surface-treated calcium carbonate and impurities originated from different sources obtainable by said process. | 09-25-2014 |
20140366781 | PROCESS FOR THE PREPARATION OF CEMENT, MORTARS, CONCRETE COMPOSITIONS CONTAINING CALCIUM CARBONATE - BASED FILLER(S) (PRE) - TREATED WITH ULTRAFINE (UF) FILLER(S), COMPOSITIONS AND CEMENT PRODUCTS OBTAINED AND THEIR APPLICATIONS - Process for the preparation of “High performance”, “HP”, or “FLUID”, or “technical”, cement or mortars or concrete systems or compositions (hereafter for simplicity “cements” or “cements systems” or “cement compositions” or “cements”) having an improved compacity, an improved flowability (and globally speaking a definitely improved “workability”; Product consisting of, or comprises, a blend of coarse (or optionally HP) “calcium carbonate-based filler(s)” pre-blended with at least an UF; CEMENT COMPOSITIONS incorporating the said blend or aqueous composition, namely the said blend of low or medium (or optionally HP) coarse filler(s) treated with at least one UF; USE of the said blend, or aqueous compositions and cement composition. | 12-18-2014 |
20150034554 | SURFACE-TREATED CALCIUM CARBONATE FOR BINDING AND BIOREMEDIATING HYDROCARBON-CONTAINING COMPOSITIONS - The invention relates to a surface-treated calcium carbonate for binding and bioremediating hydrocarbon-containing compositions, to a method for binding and bioremediating hydrocarbon-containing compositions as well as to the use of surface-treated calcium carbonate for binding and bioremediating hydrocarbon-containing compositions and to a composite material comprising the surface-treated calcium carbonate and a hydrocarbon-containing composition. | 02-05-2015 |
20150037463 | MICRONIZED CaCO3 SLURRY INJECTION SYSTEM FOR THE REMINERALIZATION OF DESALINATED AND FRESH WATER - The present invention concerns a process for treating water and the use of calcium carbonate in such a process. In particular, the present invention is directed to a process for remineralization of water comprising the steps of (a) providing feed water having a concentration of carbon dioxide of at least 20 mg/l, preferably in a range of 25 to 100 mg/l, and more preferably in a range of 30 to 60 mg/l, (b) providing an aqueous slurry comprising micronized calcium carbonate, and (c) combining the feed water of step (a) and the aqueous slurry of step (b) in order to obtain remineralized water. | 02-05-2015 |