cement grinding aids patents

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Effects of grinding aids on model parameters of a cement ,

15-02-2019· This research focuses on investigating the effects of the three different grinding aids, consisting of a mixture of amine, glycol and polyol in different ratios, on the model parameters of a two-compartment cement ball mill and an air classifier...

Cement Grinding Aids | Sanghavi Group

Cement Grinding Aid Mechanism in VRM Benefits of Cement Grinding A CGA reduces the inter-particle attractive forces of cement which causes agglomeration of cement grains CGA are adsorbed on the newly created surface, neutralising electrical charges and thus reducing their tendency to re-agglomerate Hence, the cement grains show a lower ....

The Effect on the Performance of Cement Grinding Aid ,

By adding different inorganic reinforcing components, Developed a cement grinding aidsThe result turns out, compared with blank sample, the adulteration of grinding aid leads compression strength of 3d, 7d and 28d respectively are improved 179%, 178% and 168%,cement fineness to reduce by 631% and specific surface area to increase about ....

GCP Applied Technologies receives European patent for ,

19-10-2018· Europe: US-based company GCP Applied Technologies has received a European patent for increasing the efficiency of cement grinding by using sustainable raw materials The grinding aids and quality improvers allow the use of bio-derived glycerol and reduce the use and the impact of oil-derived chemicals...

GCP Applied Technologies receives European patent for ,

19-10-2018· Europe: US-based company GCP Applied Technologies has received a European patent for increasing the efficiency of cement grinding by using sustainable raw materials The grinding aids and quality improvers allow the use of bio-derived glycerol and reduce the use and the impact of oil-derived chemicals...

Cement grinding aid prepared by using waste antifreeze ,

29-09-2015· Patents WO 2016/184004 A1 Cement grinding aid prepared by using waste antifreeze (22) 29092015 (43) 24112016 (57) A cement grinding aid prepared by using waste antifreeze The cement grinding aid comprises the following components by weight: 20–75 parts of pretreated waste antifreeze, 5–40 parts of alkanolamine, ....

Cement grinding aid and set retarder - Patent US-4204877-A ,

Additives for use as grinding aids and set retarders in the manufacture of hydraulic cement composed of polyglycerol, preferably a polyglycerol selected from the group of di-, tri-, and tetraglycerol and mixtures thereof, the additive being used either alone or in combination with at least one of a water-soluble glycol, a water-soluble hydroxy-alkyl amine, a water-soluble salt of a sulfonated ....

Cement grinding aids - GCPAT

TAVERO® grinding aids make life easier for busy cement producers Our grinding aids are designed to increase mill output without increasing costs, while saving energy and reducing CO 2 emissions Improved cement flowability reduces the effort for handling and transporting cement Improve grinding ,...

GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT CLINKERS ,

25-06-2007· Patent: Examined Patent Application - Republic of Korea Application: KR20070062453 on 2007-06-25 Publication: 2008-12-31 , A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) ....

Cement grinding aids additives | MasterCem

MasterCem cement additives amplify grinding efficiency, resulting in a higher mill throughput and lower the clinker factor, with an overall reduction in CO2 emissions Our performance enhancers modify and elevate cement’s properties, improving its strength, workability and flow and ultimately upgrading cement’s usability and durability...

Cement grinding aids additives | MasterCem

MasterCem cement additives amplify grinding efficiency, resulting in a higher mill throughput and lower the clinker factor, with an overall reduction in CO2 emissions Our performance enhancers modify and elevate cement’s properties, improving its strength, workability and flow and ultimately upgrading cement’s usability and durability...

Cement Grinding Aids Patents - corrigerende-bodynl

Cement Grinding Aids Patents CN101898878B Cement grinding aids Google Patents The invention discloses a cement grinding aid comprising calcium formate solution compound glycerol distilled residue solution triethanolamine diols and molasses While the product reutilizes the industrial wastes the components of the product synergistically act to optimize the efficacy of...

GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT CLINKERS ,

25-06-2007· Patent: Examined Patent Application - Republic of Korea Application: KR20070062453 on 2007-06-25 Publication: 2008-12-31 , A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) ....

Grinding aids for high performance cements

Grinding aids for high performance cements Grinding aids are organic compounds that are added to the mill during cement grinding Their main purpose is to reduce the energy required to grind the clinker into a given fineness In addition, some products (usually referred to as performance enhancers) provide positive effect on cement hydration ....

CN1332903C - Cement grinding aids - Google Patents

The present invention relates to a grinding aid for cement, which belongs to the field of cement production The grinding aid for cement is composed of 4 wt% to 20 wt% of triethanolamine, 5 wt% to 25 wt% of ethylene glycol, 5 wt% to 10 wt% of acetamide, 22 wt% to 26 wt% of carbamide, 3 wt% to 5 wt% unsaturated polyester resin and 36 wt% to 44 wt% pulp waste...

US Patent for Cement grinding aids prepared with waste ,

It discloses cement grinding aids prepared with waste antifreeze which comprises the following components in parts by weight: 20-75 parts of pretreated waste antifreeze, 5-40 parts of alkanolamine, 1-5 parts of acid solution, 3-12 parts of saccharide and 15-50 parts of water The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze to regulate the pH ....

US3615785A - Cement grinding aid and pack , - Google Patents

Additive compositions for use as grinding aids and pack set inhibitors in the manufacture of hydraulic cement composed of a water-soluble polyol, particularly a glycol, and a water-soluble salt of an aliphatic acid having no more than three carbons, said additive compositions being used either alone or in combination with water-soluble salts of a sulfonated lignin, a water-soluble hydroxyalkyl ....

GCP Applied Technologies receives European sustainable ,

24-10-2018· GCP Applied Technologies Inc has been issued with a patent for increasing cement grinding efficiency by using sustainable raw materials The novel grinding aids and quality improvers allow the use of bio-derived glycerol and reduce the use and the ,...

CEMENT GRINDING AID COMPOSITION - Dow Global ,

8 The grinding aid composition of claim 1 comprising from 40% to 70% of the alkanolamine compound, from 25% to 50% of the glycol, and from 0% to 55% of water, each by weight based on the total weight of the grinding aid composition 9 A cement mix comprising: cement clinker, gypsum, and the grinding aid composition of claim 1...

GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT CLINKERS ,

25-06-2007· Patent: Examined Patent Application - Republic of Korea Application: KR20070062453 on 2007-06-25 Publication: 2008-12-31 , A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) ....

Cement Grinding Aids | Sanghavi Group

Cement Grinding Aid Mechanism in VRM Benefits of Cement Grinding A CGA reduces the inter-particle attractive forces of cement which causes agglomeration of cement grains CGA are adsorbed on the newly created surface, neutralising electrical charges and thus reducing their tendency to re-agglomerate Hence, the cement grains show a lower ....

Cement Grinding Aid - Patent Details

Such CEMENT GRINDING AIDs are typically selected from the class comprising glycols such as alkylene glycols, amines or amino alcohols For example, US 5,084,103 describes trialkanolamines, such as tr is opropanolamine (TIPA) or N,N-bis(2-hydroxyethyl)-N-(2-hydroxypropyl)amine and tris(2-hydroxybutyl)amine as grinding aids for clinkers...

Grinding aids for high performance cements

Grinding aids for high performance cements Grinding aids are organic compounds that are added to the mill during cement grinding Their main purpose is to reduce the energy required to grind the clinker into a given fineness In addition, some products (usually referred to as performance enhancers) provide positive effect on cement hydration ....

The Effect on the Performance of Cement Grinding Aid ,

The grinding aid of cement grinding aids is determined by orthogonal optimization By adding different inorganic reinforcing components, Developed a cement grinding aidsThe result turns out, compared with blank sample, the adulteration of grinding aid leads compression strength of 3d, 7d and 28d respectively are improved 179%, 178%...

PAPER OPEN ACCESS ,

Comparison between grinding of cement clinker with and without grinding aid (after Fuerstenau, 1990) Figure 1 shows the typical comparison between grinding of cement clinker with and without a grinding aid in a laboratory mill As discussed in the literature [1,2,4], there was significant effect of using grinding aid in cement grinding...

Cement grinding aid composition - Google Patents

A grinding aid composition for improving the efficiency of cement grinding The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol...

The influence of Triethanol amine and ethylene glycol on ,

24-01-2019· grinding of clinker, the ground particles may be agglomerated For that, grinding aids are usually added in concentration range of 002 to 01 % of the manufactured cement weight4,5 According to their structure, grinding aids could be classified into groups such as aliphatic amines-base,6 glycols-base7 and phenol-base grinding aids...

The Effect on the Performance of Cement Grinding Aid ,

By adding different inorganic reinforcing components, Developed a cement grinding aidsThe result turns out, compared with blank sample, the adulteration of grinding aid leads compression strength of 3d, 7d and 28d respectively are improved 179%, 178% and 168%,cement fineness to reduce by 631% and specific surface area to increase about ....

SINTEF Building and Infrastructure Christian J Engelsen

33 Patents , Grinding aids are mostly organic compounds that are added to the clinker in the cement mill Their main purposes are to reduce the energy required to grind the clinker into a given fineness and therefore increase the efficiency of the cement mill Grinding aids have been used for more...

Progress with grinding aids for VRMs - Global Cement

01-06-2018· Grinding aids for VRMs increase the powder flowability of the finished cement without reduction of the stability of the material bed The impact of grinding aids depends strongly on the fineness of the cement: The higher the surface area, the bigger the attraction force and therefore the bigger the benefit from an appropriate grinding a...