patents on lime stone grinding additive



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grinding aid for lime stone

Limestone Grinding Save to increase production in limestone grinding MApei Grinding Aid /C Pack set inhibitors for cement Pack set inhibitors for cement DESCRIPTION MAGA/C are high performance grinding aids generally used to increase mill production and to improve the cement quality particularly in the grinding of Portland and limestone cements...

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mineral grinding patents

patents on lime stone grinding additive obsdelindertnl The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone using glycerol derived from biofuel production in combination with various grinding additiv Get More...

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Patents Assigned to GCP Applied Technologies Inc

Justia - Patents - Patents and Patent Application Resourc Abstract: The present invention provides cement grinding additive compositions and methods which allow a PVC-safe, powerful, and robust defoaming agent to be uniformly dispersed throughout a broad concentration range while retaining storage stability even in cases wherein the defoaming agent is highly diluted...

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cement grinding aid patent

WO2005123621A1 - Cement grinding aid - Google Patents The invention relates to an aqueous polymer composition which is used in the form of a cement grinding aid and makes it possible to effectively reduce the grinding time and to obtain cements exhibiting excellent characteristics...

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Cement Production

Other additives that are commonly used in small quantities are fly ash and limestone powder Control of temperature is essential during grinding, since high temperatures during intergrinding could cause a transformation of gypsum into hemihydrate or anhydrite, which can cause false set (upon reconversion to gypsum) during hydration...

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WO2015107408A1

In a method of enhancing the dry grinding efficiency of petcoke comprising adding additives to the petcoke and dry grinding the petcoke together with the additives, a combination of at least one organic additive and at least one inorganic additive is used as said additiv...

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KR20140009116A

The present invention provides a cement grinding additive composition and method that allows for a strong and tough antifoaming agent that maintains storage stability while being uniformly dispersed throughout a wide concentration range even when the antifoam is highly diluted Exemplary cement grinding additive compositions include at least one amine cement grinding additive; Tri-iso ....

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ANTIBACTERIAL PORTLAND CEMENT

Sep 18, 2014· 4 The antibacterial portland cement according to claim 1, wherein the mineral additive comprises at least one of the following group: limestone, cinder, silica fume, fly ash, pozzuolana and cooked schist 5 The antibacterial portland cement according to claim 1, further comprising grinding facilitating additive 6...

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MINERAL GRINDING AIDS

Sep 21, 1971· A novel additive has now been found which will function as a grinding aid and a pack set inhibitor for minerals The novel additive of the present invention is an amine salt of an aryl hydroxy compound Such additives are the reaction product of an aryl hydroxy compound, eg, phenol, with an ,...

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US Patent for Multi

The multi-stage polymer composite of the present invention can be added, as a grinding additive in the grinding stage at a content range of from 01% to 2%, preferably from 03% to 15%, and most preferably from 06% to 10% by weight based on the total weight of the coating composition, and binder and other additives can be added in the ....

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AT515261A1

In a process for improving the efficiency of the drying of petroleum coke comprising adding additives to the petroleum coke and dry-milling the petroleum coke together with the additives, the additives used are a combination of at least one organic additive and at least one inorganic additive...

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Mape Grinding cement

Mape Grinding Machine China large mining , grinding machine 201ml pictur grinding machine 201 ml pictures MAPE grindING MACHINE TYPE 201ML,S/N 76,295151 ....

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Additive combination for hydraulic cement compositions

Mar 08, 1983· The low temperature stability of an additive product for imparting desirable properties such as water repellency, set-retardation, etc, to hydraulic cement compositions and Portland masonry cements in particular, is improved by the addition of a small amount of certain low molecular weight, water soluble, non-ionic organic materials (eg alcohols, ketones, amides, and aldehydes) to ,...

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Patents Assigned to W R Grace & Co

Abstract: The present invention discloses a process for the selective hydrogenation of glycerol in the liquid phase to produce 1- and 2-propanols in high yields as the major organic products The process comprises subjecting a glycerol stream having at least 30% by weight water to a combination of low pressure and high temperature hydrogenation conditions in the presence of a promoted or un ....

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Mineral grinding

Patents US 2019/0119170 A1 Mineral grinding (22) 28032017 (43) 25042019 (57) The present invention pertains to the discovery that short chain aliphatic fatty acids, such as potassium sorbate, can be used in liquid-additive grinding compositions in the amount of at least 10 %, more preferably at least 20 %, and most preferably at least 30 % ....

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DK2844622T3

DK2844622T3 DK137177788T DK13717778T DK2844622T3 DK 2844622 T3 DK2844622 T3 DK 2844622T3 DK 13717778 T DK13717778 T DK 13717778T DK 2844622 T3 DK2844622 T3 DK 2844622T3 Authority DK Denmark Prior art keywords grinding weight additive process according cement Prior art date 2012-05-03 Application number DK137177788T...

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US8758504B2

The present invention provides cement grinding additive compositions and methods which allow a powerful, robust defoamer to be uniformly dispersed throughout a broad concentration range while retaining storage stability even in cases wherein the defoamer is highly diluted Exemplary cement grinding additive compositions comprise at least one amine cement grinding additive; a tri-iso ....

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