NL8001024A - Werkwijze voor het vergroten van de helderheid van kalksteen, alsmede het daarbij verkregen produkt. - Google Patents

Werkwijze voor het vergroten van de helderheid van kalksteen, alsmede het daarbij verkregen produkt. Download PDF

Info

Publication number
NL8001024A
NL8001024A NL8001024A NL8001024A NL8001024A NL 8001024 A NL8001024 A NL 8001024A NL 8001024 A NL8001024 A NL 8001024A NL 8001024 A NL8001024 A NL 8001024A NL 8001024 A NL8001024 A NL 8001024A
Authority
NL
Netherlands
Prior art keywords
limestone
slurry
acetic acid
brightness
per ton
Prior art date
Application number
NL8001024A
Other languages
English (en)
Dutch (nl)
Original Assignee
Dresser Ind
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dresser Ind filed Critical Dresser Ind
Publication of NL8001024A publication Critical patent/NL8001024A/nl

Links

Classifications

    • 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
    • C09C1/021—Calcium carbonates
    • C09C1/022—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • 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
    • C01P2004/61—Micrometer sized, i.e. from 1-100 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
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Magnetic Heads (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Paper (AREA)
NL8001024A 1979-02-26 1980-02-20 Werkwijze voor het vergroten van de helderheid van kalksteen, alsmede het daarbij verkregen produkt. NL8001024A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/015,089 US4239736A (en) 1979-02-26 1979-02-26 Method for increasing the brightness of limestone
US1508979 1979-02-26

Publications (1)

Publication Number Publication Date
NL8001024A true NL8001024A (nl) 1980-08-28

Family

ID=21769467

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8001024A NL8001024A (nl) 1979-02-26 1980-02-20 Werkwijze voor het vergroten van de helderheid van kalksteen, alsmede het daarbij verkregen produkt.

Country Status (14)

Country Link
US (1) US4239736A (fr)
JP (1) JPS55116625A (fr)
AU (1) AU526864B2 (fr)
BR (1) BR8001111A (fr)
CA (1) CA1134563A (fr)
DE (1) DE3007220A1 (fr)
ES (1) ES8102991A1 (fr)
FI (1) FI800520A (fr)
FR (1) FR2449712A1 (fr)
GB (1) GB2043612B (fr)
IT (1) IT1127357B (fr)
NL (1) NL8001024A (fr)
NO (1) NO800508L (fr)
SE (1) SE8001456L (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900533A (en) * 1981-02-24 1990-02-13 English Clays Lovering Pochin & Company Alkaline earth metal carbonates
DE3122218A1 (de) * 1981-06-04 1982-12-23 Peroxid-Chemie GmbH, 8023 Höllriegelskreuth Verfahren zum aufhellen von naturkreide
US4389323A (en) * 1981-11-02 1983-06-21 Gancy Alan B Process of making two uniform grades of calcium magnesium acetate
US4426308A (en) 1981-12-21 1984-01-17 Gancy Alan B Process of making calcium acetate deicing agents
US4377488A (en) * 1981-12-21 1983-03-22 Gancy Alan B Process of making calcium acetate deicing agents
US4488978A (en) * 1983-02-10 1984-12-18 Gancy Alan B Coarse-particle calcium/magnesium acetate suitable for roadway and walkway deicing, and process for its manufacture
US4661164A (en) * 1985-02-15 1987-04-28 Franklin Industries, Inc. Method of tinting a mineral filler
US4824653A (en) * 1988-09-29 1989-04-25 Franklin Industries, Inc. Method of bleaching limestone
US5690897A (en) * 1994-11-21 1997-11-25 Minerals Technologies Inc. Method for purification of calcium carbonate
CA2237960A1 (fr) * 1997-06-18 1998-12-18 Goldcorp Inc. Production de carbonate de calcium precipite a couleur amelioree, sous forme cristallisee stable
US6527431B2 (en) * 2001-04-10 2003-03-04 Taiwan Footwear Research Institute Combined mixing and injecting device for a mold
US7105139B2 (en) * 2002-04-25 2006-09-12 Imerys Pigments, Inc. Stabilization of the viscosity of formamidine sulfinic acid bleached calcium carbonate slurries
US7833339B2 (en) 2006-04-18 2010-11-16 Franklin Industrial Minerals Mineral filler composition
US7651559B2 (en) 2005-11-04 2010-01-26 Franklin Industrial Minerals Mineral composition
US10590003B1 (en) 2017-08-24 2020-03-17 Mississippi Lime Company Method of brightening ground calcium carbonate

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB567998A (en) * 1943-07-30 1945-03-13 Pilkington Brothers Ltd Improvements in or relating to processes for reducing iron impurities in ground calcite, dolomite, magnesite and cryolite
US2520850A (en) * 1944-02-12 1950-08-29 Minnick Leonard John Process of whitening alkaline earth carbonates
GB1394910A (en) * 1972-10-23 1975-05-21 Pluss Stauffer Ag Process for the optical brightening of minerals
AU476200B2 (en) * 1973-03-08 1975-09-11 RALPH ASHWORTH and KATHLEEN MARY PLUCK DEREK Mineral bleaching process
JPS50122498A (fr) * 1974-03-13 1975-09-26
JPS5147597A (en) * 1974-10-23 1976-04-23 Denki Kagaku Kogyo Kk Tansankarushiumuno hakushokudokojokahoho
JPS5147598A (en) * 1974-10-23 1976-04-23 Denki Kagaku Kogyo Kk Tansankarushiumuno hakushokudokairyoho
GB1599632A (en) * 1977-01-19 1981-10-07 English Clays Lovering Pochin Comminution of solid materials
JPS5390199A (en) * 1977-01-20 1978-08-08 Shiraishi Kogyo Kaisha Ltd Method of modifying calcium carbonate
JPS53119299A (en) * 1977-03-29 1978-10-18 Shiraishi Kogyo Kaisha Ltd Surfacee modified material of cubic calcium carbonate having diameters of 0*1 to 1*0 micro meter

Also Published As

Publication number Publication date
IT8047888A0 (it) 1980-02-13
US4239736A (en) 1980-12-16
ES488913A0 (es) 1981-02-16
JPS55116625A (en) 1980-09-08
GB2043612B (en) 1983-01-26
GB2043612A (en) 1980-10-08
AU526864B2 (en) 1983-02-03
AU5523780A (en) 1980-09-04
ES8102991A1 (es) 1981-02-16
FR2449712A1 (fr) 1980-09-19
FI800520A (fi) 1980-08-27
NO800508L (no) 1980-08-27
CA1134563A (fr) 1982-11-02
SE8001456L (sv) 1980-08-27
BR8001111A (pt) 1980-10-29
IT1127357B (it) 1986-05-21
DE3007220A1 (de) 1980-09-04

Similar Documents

Publication Publication Date Title
NL8001024A (nl) Werkwijze voor het vergroten van de helderheid van kalksteen, alsmede het daarbij verkregen produkt.
US4227920A (en) Methods of clay benefication
US5624488A (en) Ultrahigh brightness calcined clay pigment, manufacture & use thereof
FI100980B (fi) Kalsinoidusta kaoliinisavesta muodostuva täyteainepigmentti, menetelmä sen valmistamiseksi ja sitä sisältäviä mekaanisesta massasta valmiste ttuja papereita
FI91241C (fi) Menetelmä kalsiumkarbonaattipitoisen mineraalin puhdistamiseksi
DE69130032T2 (de) Hochdurchsichtiges Tonprodukt und Herstellungsverfahren
US5454865A (en) Method for preparing refined kaolin in clay products
AU669334B2 (en) Process for producing a kaolin clay product
US4419228A (en) Process for producing high brightness clays utilizing magnetic beneficiation and calcining
US4824653A (en) Method of bleaching limestone
US3536264A (en) Removal of titanium impurities from clay
CA2013619C (fr) Transformation cationique des minerais a base de kaolin
NL7905466A (nl) Werkwijze voor het opwerken van aluminiumzoutslakken.
US3961971A (en) Method for improving brightness of kaolinite clays including iron pyrites
DE69600197T2 (de) Behandlung der Abwässer eines Papierbehandlungverfahrens
US3206127A (en) Process for upgrading mica
Luz et al. Purification of kaolin by selective flocculation
US20060131243A1 (en) Method of treating an aqueous suspension of kaolin
US5147458A (en) Structured pigment from high TiO2 /Fe2 O3 kaolinite reject material
EP0216002A2 (fr) Procédé d'enrichissement de minerais de calcite naturels
CA2364743A1 (fr) Composition de matiere comprenant des pigments de carbonate de calcium a haute brillance et procedes de fabrication
US1774510A (en) Method of refining pigments
US3635744A (en) Treatment of clay
US2084917A (en) Method of preparing titanium dioxide pigments
US3806043A (en) Talc beneficiating process

Legal Events

Date Code Title Description
BV The patent application has lapsed