US20110133006A1 - Use of formulations containing glycerol as a dry grinding aid agent of mineral matter - Google Patents
Use of formulations containing glycerol as a dry grinding aid agent of mineral matter Download PDFInfo
- Publication number
- US20110133006A1 US20110133006A1 US12/961,921 US96192110A US2011133006A1 US 20110133006 A1 US20110133006 A1 US 20110133006A1 US 96192110 A US96192110 A US 96192110A US 2011133006 A1 US2011133006 A1 US 2011133006A1
- Authority
- US
- United States
- Prior art keywords
- glycerol
- dry grinding
- grinding aid
- weight
- aid agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title claims abstract description 175
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 100
- 238000009837 dry grinding Methods 0.000 title claims abstract description 71
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 37
- 239000011707 mineral Substances 0.000 title claims abstract description 37
- 239000000203 mixture Substances 0.000 title claims abstract description 22
- 238000009472 formulation Methods 0.000 title abstract description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 46
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000454 talc Substances 0.000 claims abstract description 3
- 229910052623 talc Inorganic materials 0.000 claims abstract description 3
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 37
- 229920000223 polyglycerol Polymers 0.000 claims description 36
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 29
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Substances OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 13
- 235000019253 formic acid Nutrition 0.000 claims description 13
- AGNTUZCMJBTHOG-UHFFFAOYSA-N 3-[3-(2,3-dihydroxypropoxy)-2-hydroxypropoxy]propane-1,2-diol Chemical compound OCC(O)COCC(O)COCC(O)CO AGNTUZCMJBTHOG-UHFFFAOYSA-N 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- 150000001720 carbohydrates Chemical class 0.000 claims description 9
- 235000014633 carbohydrates Nutrition 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- WOKDXPHSIQRTJF-UHFFFAOYSA-N 3-[3-[3-[3-[3-[3-[3-[3-[3-(2,3-dihydroxypropoxy)-2-hydroxypropoxy]-2-hydroxypropoxy]-2-hydroxypropoxy]-2-hydroxypropoxy]-2-hydroxypropoxy]-2-hydroxypropoxy]-2-hydroxypropoxy]-2-hydroxypropoxy]propane-1,2-diol Chemical compound OCC(O)COCC(O)COCC(O)COCC(O)COCC(O)COCC(O)COCC(O)COCC(O)COCC(O)COCC(O)CO WOKDXPHSIQRTJF-UHFFFAOYSA-N 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 6
- -1 inorganic acid salt Chemical class 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid group Chemical group C(C(=O)O)(=O)O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims description 6
- JYKSTGLAIMQDRA-UHFFFAOYSA-N tetraglycerol Chemical compound OCC(O)CO.OCC(O)CO.OCC(O)CO.OCC(O)CO JYKSTGLAIMQDRA-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 5
- 229960004418 trolamine Drugs 0.000 claims description 5
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 4
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 claims description 4
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920002873 Polyethylenimine Polymers 0.000 claims description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 229920001451 polypropylene glycol Polymers 0.000 claims description 3
- 239000005720 sucrose Substances 0.000 claims description 3
- GVNHOISKXMSMPX-UHFFFAOYSA-N 2-[butyl(2-hydroxyethyl)amino]ethanol Chemical compound CCCCN(CCO)CCO GVNHOISKXMSMPX-UHFFFAOYSA-N 0.000 claims description 2
- IOAOAKDONABGPZ-UHFFFAOYSA-N 2-amino-2-ethylpropane-1,3-diol Chemical compound CCC(N)(CO)CO IOAOAKDONABGPZ-UHFFFAOYSA-N 0.000 claims description 2
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 claims description 2
- 229930091371 Fructose Natural products 0.000 claims description 2
- 239000005715 Fructose Substances 0.000 claims description 2
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 claims description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000001361 adipic acid Substances 0.000 claims description 2
- 235000011037 adipic acid Nutrition 0.000 claims description 2
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000008103 glucose Substances 0.000 claims description 2
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 claims description 2
- 125000005395 methacrylic acid group Chemical group 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims 1
- 229910000514 dolomite Inorganic materials 0.000 claims 1
- 238000000227 grinding Methods 0.000 abstract description 59
- 235000010216 calcium carbonate Nutrition 0.000 description 18
- 235000010755 mineral Nutrition 0.000 description 16
- 239000000463 material Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 8
- 239000012855 volatile organic compound Substances 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 238000004383 yellowing Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229940068917 polyethylene glycols Drugs 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 235000011007 phosphoric acid Nutrition 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000001033 granulometry Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002879 Lewis base Substances 0.000 description 2
- 239000013011 aqueous formulation Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 150000007527 lewis bases Chemical class 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical class CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- NJTGANWAUPEOAX-UHFFFAOYSA-N molport-023-220-454 Chemical compound OCC(O)CO.OCC(O)CO NJTGANWAUPEOAX-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-N palmitic acid group Chemical group C(CCCCCCCCCCCCCCC)(=O)O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/40—Compounds of aluminium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Definitions
- VOCs volatile organic compounds
- the mineral industry is a large consumer of chemicals. They are used in the various stages of transformation/modification/processing to which mineral matter is subject. Dry grinding of mineral matter, of which natural calcium carbonate represents a special example due to its multiple uses, constitutes one of these steps.
- first “grinding” operation proper leading to a reduction of the particle size following inter-particle impacts or additional impacts with other materials such as grinding beads. It may also comprise a second step known as “selection”, the aim of which is to grade the particles according to their sizes, and notably to reintroduce into the grinder the particles which have not yet reached the desired fineness.
- grinding aid agents known as “grinding aid” agents, the function of which is to facilitate the mechanical grinding action as described above. These are introduced during the grinding step, and can be found in the selection step.
- the second group consists of the weak Brönstedt bases; it notably includes alcanolamines, including TIPA (tri isopropanol amine) and TEA (tri ethanol amine), which are well known to the skilled man in the art. With this regard reference may be made to documents EP 0 510 890 and GB 2 179 268.
- the Lewis bases constitute the third group of dry grinding aid agents, and contain alcohols. These are ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol and dipropylene glycol.
- Documents WO 2002/081 573 and US 2003/019 399 describe, for example, the use of diethylene glycol as a dry grinding aid agent in their table 1.
- Document WO 2005/071 003 makes reference to a polyhydric alcohol, which is ethylene glycol.
- Document WO 2005/026 252 describes a dry grinding aid agent which may be a triethanolamine, a polypropylene glycol or an ethylene glycol.
- document WO 2007/138410 proposes to make use of polyalkylene glycols of low molecular weight.
- glycol-based products are the ones most commonly used for dry grinding of natural calcium carbonate, of which propylene glycol (or monopropylene glycol) is the most widespread.
- propylene glycol or monopropylene glycol
- additives are, indeed, renowned for their efficiency in facilitating grinding phenomena, and for their low cost; and, indeed, this is reported in document WO 2007/138410 cited above.
- glycerol has the equally unexpected advantage that it does not react with CaO and Ca(OH) 2 , concerning which the Inventors consider that they are formed on the surface of the carbonate material, resulting in the fact that this dry grinding agent used according to the invention does not change colour. In fact, it leads to no, or a minimum of, yellowing of the calcium carbonate with which it is ground, whereas a yellowing appears in the case of grinding with monopropylene glycol (MPG).
- MPG monopropylene glycol
- specific grinding energy signifies the total quantity of energy expressed in kWh required to grind a tonne of dry calcium carbonate.
- grinding capacity signifies the mass of dry calcium carbonate ground each hour. It is understood that both these magnitudes are determined, in the context of the invention, “at the limits” of the overall method of dry grinding of calcium carbonate: i.e. by incorporating both the grinding steps proper, followed by that of selection.
- One of the original aspects of the present invention is precisely that the grading step, which is often overlooked when phenomena of grinding of mineral matter are addressed, is taken into account.
- granulometry refers to the median diameter d50 ( ⁇ m) determined by a SedigraphTM 5100 device sold by the company MICROMERITICSTM, while the specific area (m 2 /g) s measured according to the BET method well known to the skilled man in the art.
- dry grinding a grinding in a grinding unit with a quantity of water less than 10% by dry weight of the said material in the said grinding unit.
- the first object of the invention therefore lies in the use, as a dry grinding aid agent of a mineral matter chosen from among the dolomites, talc, titanium dioxide, alumina, kaolin and calcium carbonate, the function of which is to reduce the specific grinding energy and to increase the grinding capacity, of formulations comprising:
- the Gardner colour index of the dry grinding aid agent has a value of less than 3 measured according to the Gardner DIN ISO4630/ASTM D 1544 68 method, expressed in a scale from 1 (colourless) to 20 (very dark brown).
- This use also enables the yellowing of the ground product to be prevented, and notably leads to a ground product with a change of degree of whiteness of less than 1% relative to the initial degree of whiteness according to the TAPPI T452 ISO2470 standard.
- this use is also characterised in that the said formulations consist of glycerol in the pure form.
- this use is also characterised in that the said formulations consist of water and glycerol.
- this use is also characterised in that the said formulations contain 25% to 95%, preferentially 45% to 90%, and very preferentially 75% to 85%, by weight of glycerol relative to their total weight, the remainder consisting of water.
- this use is also characterised in that the said formulations consist of glycerol with one or more of the said agents, in the aqueous or pure form.
- this use is also characterised in that the said inorganic acid is a phosphoric acid.
- this use is also characterised in that the said inorganic salt is a mono-, di- or tri-alkaline salt, and is preferentially a salt of a cation of Group I or II of the Periodic Table of the Elements.
- this use is also characterised in that the said salt of formic or citric acid is a mono-, di- or tri-alkaline salt, and is preferentially a salt of a cation of Group I or II of the Periodic Table of the Elements.
- this use is also characterised in that the said organic polyacid has the formula COOH—(CH 2 ) n —COOH, in which n is an integer having a value of between 0 and 7, inclusive, or is a mono- or di-alkaline salt of the organic polyacid of formula COOH—(CH 2 )n-COOH, in which n is equal to an integer having a value of between 0 and 7 inclusive, or is a polymeric organic polyacid of one or more of the following monomers, in the acid form, or in the form which is partially or fully neutralised with one or more cations of Group I or II of the Periodic Table of the Elements: acrylic, methacrylic, maleic or itaconic, and is preferentially an oxalic acid, a pimelic acid or an adipic acid.
- this use is also characterised in that the said alcanolamine is chosen from among 2-amino-2-methyl-1-propanol, 2-amino-2-ethyl-1,3-propanediol, tri-ethanolamine, N-butyldiethanolamine and tri-iso-propanolamine, whether or not neutralised, and is preferentially chosen from among their forms which are neutralised by means of a formic or citric acid salt, or of an organic polyacid salt.
- this use is also characterised in that the said polyalkylene glycol polymer is a polyethylene glycol, a polypropylene glycol, or an ethylene-propylene glycol copolymer, whether random or block.
- this use is also characterised in that the said carbohydrate having a root mean square of the radius of gyration of the said carbohydrate equal to or less than the modal radius of the mineral matter is glucose, fructose, sucrose, starch or cellulose, and is preferentially sucrose.
- this use is also characterised in that the polyglycerol or polyglycerols are chosen from among di-glycerol, tri-glycerol, tetra-glycerol, penta-glycerol, hexa-glycerol, hepta-glycerol, octa-glycerol, nona-glycerol and deca-glycerol and their blends, and preferentially from among di- and tri-glycerol.
- this use is also characterised in that the said formulations contain 20% to 95% by weight of glycerol, 1% to 50% by weight of the said agent and 0% to 65% by weight of water, preferentially 30% to 90% by weight of glycerol, 10% to 45% by weight of the said agent and 0% to 60% by weight of water, and preferentially 35% to 75% by weight of glycerol, 30% to 40% by weight of the said agent and 5% to 50% by weight of water, relative to their total weight, where the sum of the percentages by weight of glycerol, of the said agent and of water are, in each case, equal to 100%.
- this use is also characterised in that the said formulations consist of one or more polyglycerols in the pure form.
- this use is also characterised in that the polyglycerol or polyglycerols are chosen from among di-glycerol, tri-glycerol, tetra-glycerol, penta-glycerol, hexa-glycerol, hepta-glycerol, octa-glycerol, nona-glycerol and deca-glycerol and their blends, and preferentially from among di- and tri-glycerol.
- this use is also characterised in that the said formulations consist of water and one or more polyglycerols.
- this use is also characterised in that the said formulations contain 25% to 95%, preferentially 45% to 90%, and very preferentially 75% to 85%, by weight of polyglycerols relative to their total weight, the remainder consisting of water.
- this use is also characterised in that the polyglycerol or polyglycerols are chosen from among di-glycerol, tri-glycerol, tetra-glycerol, penta-glycerol, hexa-glycerol, hepta-glycerol, octa-glycerol, nona-glycerol and deca-glycerol and their blends, and preferentially from among di- and tri-glycerol.
- this use is also characterised in that use is made of 100 to 5,000 ppm, and preferentially 500 to 3,000 ppm, of glycerol or polyglycerol, relative to the dry weight of the said mineral matter.
- this use is also characterised in that use is made of between 0.1 and 1 mg, and preferentially between 0.2 and 0.6 mg, total dry equivalent, of the said glycerol or polyglycerol and every possible agent for each m 2 of mineral matter.
- this use is also characterised in that the said mineral matter is ground as far as an average diameter, measured by a SedigraphTM 5100, of between 0.5 and 10 ⁇ m, and preferentially between 1 ⁇ m and 5 ⁇ m.
- this use is also characterised in that the said mineral matter is ground until a percentage by weight of particles having a diameter of less than 2 ⁇ m, measured by a SedigraphTM 5100, of between 20% and 90%, and preferentially between 30% and 60%, is obtained.
- this use is also characterised in that the said mineral matter is a natural calcium carbonate.
- This example is relative to the dry grinding of a natural calcium carbonate which is a Carrara marble.
- the grinding is undertaken by means of an installation fitted with a ball-mill and a classifier.
- the Carrara marble was introduced into a ball-mill of capacity 5.7 m 3 using 8 tonnes of CylpebTM iron grinding beads, in the form of cylinders, having an average diameter of 16 mm, with a view to obtaining a ground material:
- the dry grinding is undertaken continuously.
- the ground material When it leaves the grinding chamber the ground material is conveyed to a classifier of the SELEXTM 6S type. Its rotational speed and its air flow rate are set respectively at 5,200 revolutions/min. and 6,000 m 3 /h, so as to select that portion of particles having an average diameter less than or equal to a given value, and which will constitute the finished product; the portion of remaining particles having an average diameter greater than this value is reintroduced into the ball-mill.
- a classifier of the SELEXTM 6S type Its rotational speed and its air flow rate are set respectively at 5,200 revolutions/min. and 6,000 m 3 /h, so as to select that portion of particles having an average diameter less than or equal to a given value, and which will constitute the finished product; the portion of remaining particles having an average diameter greater than this value is reintroduced into the ball-mill.
- the grinding is undertaken in such a way that the selector's feed rate is always equal to 4 tonnes/h, and that the quantity of fresh product injected into the ball-mill matches the quantity of selected product leaving the system.
- the system After starting the system, and before recording the results which are indicated below, the system is operated until stable values are obtained for the quantity of ground material, the grinding capacity and the grinding energy.
- the dry grinding aid agents were introduced into the grinding system in the area of the point where the fresh material is introduced, in such a way as to maintain a constant quantity of grinding aid agent relative to the fresh material introduced for grinding.
- the grinding aid agents referenced MPG consist of an aqueous solution containing 75% (by mass) of monopropylene glycol, and were obtained from the company FLUKATM.
- the grinding aid agents referenced EG consist of ethylene glycol, and were obtained from the company FLUKATM.
- the grinding aid agents referenced PEG consist of an aqueous solution containing 75% (by mass) of polyethylene glycol of molecular mass by weight equal to 600 g/mole and were obtained from the company FLUKATM.
- Glycerol designates an aqueous solution containing 75% (by mass) of glycerol.
- Glycerol+H3PO4 designates an aqueous solution containing 75% (by mass) of a blend (99/1 by mass) of glycerol/phosphoric acid.
- Each of the tests uses 2,000 ppm of active product (or 2,667 ppm of each aqueous solution).
- the Gardner yellow index of the grinding agent is measured according to the DIN ISO 4630/ASTM D 1544 68 standard, and the value is expressed in a scale ranging from 1 (colourless) to 20 (very dark brown), where the value 1 to 2 signifies almost colourless, the value 5 signifies a yellow colour 5, while the value 11 signifies a brown colour.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Disintegrating Or Milling (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Polyethers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/961,921 US20110133006A1 (en) | 2009-12-07 | 2010-12-07 | Use of formulations containing glycerol as a dry grinding aid agent of mineral matter |
| US14/220,151 US9700895B2 (en) | 2009-12-07 | 2014-03-20 | Use of formulations containing glycerol as a dry grinding aid agent of mineral matter |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0958685 | 2009-12-07 | ||
| FR0958685A FR2953426B1 (fr) | 2009-12-07 | 2009-12-07 | Utilisation de formulations contenant du glycerol comme agent d'aide au broyage a sec de matieres minerales. |
| US28645509P | 2009-12-15 | 2009-12-15 | |
| US12/961,921 US20110133006A1 (en) | 2009-12-07 | 2010-12-07 | Use of formulations containing glycerol as a dry grinding aid agent of mineral matter |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/220,151 Division US9700895B2 (en) | 2009-12-07 | 2014-03-20 | Use of formulations containing glycerol as a dry grinding aid agent of mineral matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20110133006A1 true US20110133006A1 (en) | 2011-06-09 |
Family
ID=42173741
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/961,921 Abandoned US20110133006A1 (en) | 2009-12-07 | 2010-12-07 | Use of formulations containing glycerol as a dry grinding aid agent of mineral matter |
| US14/220,151 Active 2032-06-08 US9700895B2 (en) | 2009-12-07 | 2014-03-20 | Use of formulations containing glycerol as a dry grinding aid agent of mineral matter |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/220,151 Active 2032-06-08 US9700895B2 (en) | 2009-12-07 | 2014-03-20 | Use of formulations containing glycerol as a dry grinding aid agent of mineral matter |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US20110133006A1 (https=) |
| EP (1) | EP2510059B1 (https=) |
| JP (1) | JP2013512774A (https=) |
| KR (1) | KR20120088881A (https=) |
| CN (1) | CN102639648B (https=) |
| AU (1) | AU2010329605A1 (https=) |
| BR (1) | BR112012013749A2 (https=) |
| CA (1) | CA2782282A1 (https=) |
| FR (1) | FR2953426B1 (https=) |
| RU (1) | RU2588631C2 (https=) |
| WO (1) | WO2011070416A1 (https=) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653636A (zh) * | 2012-04-10 | 2012-09-05 | 池州版筑科技有限公司 | 一种助磨改性剂及其制备方法 |
| FR3002162A1 (fr) * | 2013-02-18 | 2014-08-22 | Chryso | Additif de broyage pour le broyage a sec d'un liant hydraulique |
| US9163147B2 (en) | 2009-12-24 | 2015-10-20 | Coatex S.A.S. | Use of glycerol as an agent to improve the self-dispersing properties of a mineral material to be added to an aqueous composition |
| US11014858B2 (en) | 2016-03-30 | 2021-05-25 | Gcp Applied Technologies Inc. | Mineral grinding |
| US20240300862A1 (en) * | 2021-03-26 | 2024-09-12 | Sika Technology Ag | Dry grinding of clay mineral, ground clay mineral, and its use in construction materials |
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| FR3017872B1 (fr) | 2014-02-21 | 2016-05-20 | Coatex Sas | Utilisation de copolymeres de styrene et d'anhydride maleique pour preparer des particules de matiere minerale |
| CN105992788A (zh) | 2014-02-26 | 2016-10-05 | 巴斯夫欧洲公司 | 制备聚胺的方法 |
| KR101459587B1 (ko) * | 2014-04-01 | 2014-11-10 | 유동우 | 광물의 미분쇄용 분쇄조제 및 이를 이용한 분쇄방법 |
| CA2948956A1 (en) | 2015-12-15 | 2017-06-15 | Rohm And Haas Company | Phenyl glycidyl ether adduct of maltodextrin |
| CA2948965A1 (en) | 2015-12-17 | 2017-06-17 | Dow Global Technologies Llc | Di- or tristyrylphenol monogycidyl ether adduct of maltodextrin |
| CA2948961C (en) | 2015-12-28 | 2023-12-05 | Dow Global Technologies Llc | Polyether-urethane-urea additives for block resistance and open time |
| US10669444B2 (en) | 2016-03-11 | 2020-06-02 | Dow Global Technologies Llc | Coating formulation with an open time additive |
| AU2017293355B2 (en) | 2016-07-05 | 2021-03-25 | Dow Global Technologies Llc | Compositions comprising polyether-urethane-urea additives for block resistance and open time |
| CN106380110B (zh) * | 2016-09-05 | 2018-06-26 | 济南大学 | 一种氧化石墨烯改性水泥助磨剂及其制备方法 |
| CN111748221A (zh) * | 2020-07-07 | 2020-10-09 | 山东齐润源新材料科技有限公司 | 一种滑石粉的造粒方法 |
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-
2010
- 2010-12-01 CN CN201080055201.1A patent/CN102639648B/zh active Active
- 2010-12-01 CA CA2782282A patent/CA2782282A1/fr not_active Abandoned
- 2010-12-01 RU RU2012128517/05A patent/RU2588631C2/ru active
- 2010-12-01 KR KR1020127017132A patent/KR20120088881A/ko not_active Ceased
- 2010-12-01 BR BR112012013749-2A patent/BR112012013749A2/pt not_active Application Discontinuation
- 2010-12-01 AU AU2010329605A patent/AU2010329605A1/en not_active Abandoned
- 2010-12-01 JP JP2012542628A patent/JP2013512774A/ja active Pending
- 2010-12-01 WO PCT/IB2010/003074 patent/WO2011070416A1/fr not_active Ceased
- 2010-12-01 EP EP10810871.3A patent/EP2510059B1/fr active Active
- 2010-12-07 US US12/961,921 patent/US20110133006A1/en not_active Abandoned
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9163147B2 (en) | 2009-12-24 | 2015-10-20 | Coatex S.A.S. | Use of glycerol as an agent to improve the self-dispersing properties of a mineral material to be added to an aqueous composition |
| US10221319B2 (en) | 2009-12-24 | 2019-03-05 | Coatex | Use of glycerol as an agent to improve the self-dispersing properties of a mineral material to be added to an aqueous composition |
| CN102653636A (zh) * | 2012-04-10 | 2012-09-05 | 池州版筑科技有限公司 | 一种助磨改性剂及其制备方法 |
| FR3002162A1 (fr) * | 2013-02-18 | 2014-08-22 | Chryso | Additif de broyage pour le broyage a sec d'un liant hydraulique |
| US11014858B2 (en) | 2016-03-30 | 2021-05-25 | Gcp Applied Technologies Inc. | Mineral grinding |
| US20240300862A1 (en) * | 2021-03-26 | 2024-09-12 | Sika Technology Ag | Dry grinding of clay mineral, ground clay mineral, and its use in construction materials |
Also Published As
| Publication number | Publication date |
|---|---|
| US9700895B2 (en) | 2017-07-11 |
| RU2588631C2 (ru) | 2016-07-10 |
| EP2510059A1 (fr) | 2012-10-17 |
| US20140205530A1 (en) | 2014-07-24 |
| AU2010329605A1 (en) | 2012-07-26 |
| RU2012128517A (ru) | 2014-01-20 |
| CA2782282A1 (fr) | 2011-06-16 |
| CN102639648A (zh) | 2012-08-15 |
| JP2013512774A (ja) | 2013-04-18 |
| KR20120088881A (ko) | 2012-08-08 |
| BR112012013749A2 (pt) | 2020-08-25 |
| FR2953426B1 (fr) | 2014-10-03 |
| CN102639648B (zh) | 2015-05-27 |
| FR2953426A1 (fr) | 2011-06-10 |
| EP2510059B1 (fr) | 2019-03-20 |
| WO2011070416A1 (fr) | 2011-06-16 |
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| AS | Assignment |
Owner name: COATEX S.A.S., FRANCE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GUILLOT, MURIELLE;MONGOIN, JACQUES;GUERRET, OLIVIER;REEL/FRAME:025462/0409 Effective date: 20101206 |
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| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |