GB2084130B - Pneumatic stowing of alpha-sulphate hemihydrate and/or beta-sulphate hemihydrate - Google Patents

Pneumatic stowing of alpha-sulphate hemihydrate and/or beta-sulphate hemihydrate

Info

Publication number
GB2084130B
GB2084130B GB8128295A GB8128295A GB2084130B GB 2084130 B GB2084130 B GB 2084130B GB 8128295 A GB8128295 A GB 8128295A GB 8128295 A GB8128295 A GB 8128295A GB 2084130 B GB2084130 B GB 2084130B
Authority
GB
United Kingdom
Prior art keywords
sulphate hemihydrate
beta
alpha
pneumatic stowing
hemihydrate
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.)
Expired
Application number
GB8128295A
Other languages
English (en)
Other versions
GB2084130A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAG AG
Steag GmbH
Original Assignee
Ruhrkohle AG
Steag GmbH
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 Ruhrkohle AG, Steag GmbH filed Critical Ruhrkohle AG
Publication of GB2084130A publication Critical patent/GB2084130A/en
Application granted granted Critical
Publication of GB2084130B publication Critical patent/GB2084130B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • C04B28/146—Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/08—Filling-up hydraulically or pneumatically
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB8128295A 1980-09-20 1981-09-18 Pneumatic stowing of alpha-sulphate hemihydrate and/or beta-sulphate hemihydrate Expired GB2084130B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803035590 DE3035590A1 (de) 1980-09-20 1980-09-20 Blasversatz von (alpha) -sulfathalbhydrat und/oder (beta) -sulfathalbhydrat

Publications (2)

Publication Number Publication Date
GB2084130A GB2084130A (en) 1982-04-07
GB2084130B true GB2084130B (en) 1984-07-04

Family

ID=6112475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8128295A Expired GB2084130B (en) 1980-09-20 1981-09-18 Pneumatic stowing of alpha-sulphate hemihydrate and/or beta-sulphate hemihydrate

Country Status (5)

Country Link
AU (1) AU548565B2 (de)
DE (1) DE3035590A1 (de)
FR (1) FR2490719A1 (de)
GB (1) GB2084130B (de)
ZA (1) ZA815367B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806854A1 (de) * 1988-03-03 1989-09-14 Knauf Westdeutsche Gips Verfahren zur herstellung eines belegereifen estrichs aus fliessestrichmasse

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2216039C3 (de) * 1972-04-01 1981-09-17 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Hydraulisch abbindendes Material für Ausbauzwecke im Bergbau
DE2906230A1 (de) * 1979-02-17 1980-08-28 Steag Ag Verfahren zur beseitigung des rueckstandes der abgaswaesche von feuerungen, insbesondere von steinkohlenkraftwerken

Also Published As

Publication number Publication date
FR2490719A1 (fr) 1982-03-26
DE3035590C2 (de) 1990-06-28
GB2084130A (en) 1982-04-07
DE3035590A1 (de) 1982-05-06
AU7550581A (en) 1982-04-01
ZA815367B (en) 1982-08-25
AU548565B2 (en) 1985-12-19
FR2490719B1 (de) 1985-02-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940918