ZA815367B - Pneumatic stowing of alpha-sulphate hemi-hydrate and/or betasulphate hemi-hydrate - Google Patents
Pneumatic stowing of alpha-sulphate hemi-hydrate and/or betasulphate hemi-hydrateInfo
- Publication number
- ZA815367B ZA815367B ZA815367A ZA815367A ZA815367B ZA 815367 B ZA815367 B ZA 815367B ZA 815367 A ZA815367 A ZA 815367A ZA 815367 A ZA815367 A ZA 815367A ZA 815367 B ZA815367 B ZA 815367B
- Authority
- ZA
- South Africa
- Prior art keywords
- hydrate
- hemi
- betasulphate
- alpha
- sulphate
- Prior art date
Links
- 229910021653 sulphate ion Inorganic materials 0.000 title 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803035590 DE3035590A1 (en) | 1980-09-20 | 1980-09-20 | BLOWING OFFSET OF (ALPHA) -SULFATHALBHYDRATE AND / OR (BETA) -SULFATHALBHYDRATE |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA815367B true ZA815367B (en) | 1982-08-25 |
Family
ID=6112475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA815367A ZA815367B (en) | 1980-09-20 | 1981-08-05 | Pneumatic stowing of alpha-sulphate hemi-hydrate and/or betasulphate hemi-hydrate |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU548565B2 (en) |
DE (1) | DE3035590A1 (en) |
FR (1) | FR2490719A1 (en) |
GB (1) | GB2084130B (en) |
ZA (1) | ZA815367B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3806854A1 (en) * | 1988-03-03 | 1989-09-14 | Knauf Westdeutsche Gips | METHOD FOR PRODUCING A READY-ON SCREED FROM FLOATING SCREED |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2216039C3 (en) * | 1972-04-01 | 1981-09-17 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Hydraulically setting material for expansion purposes in mining |
DE2906230A1 (en) * | 1979-02-17 | 1980-08-28 | Steag Ag | Disposal of residue obtd. from waste gas washing plants - where residue is calcined to form beta calcium sulphate hemi:hydrate employed to reinforce tunnels in underground mines |
-
1980
- 1980-09-20 DE DE19803035590 patent/DE3035590A1/en active Granted
-
1981
- 1981-08-05 ZA ZA815367A patent/ZA815367B/en unknown
- 1981-09-18 GB GB8128295A patent/GB2084130B/en not_active Expired
- 1981-09-18 AU AU75505/81A patent/AU548565B2/en not_active Ceased
- 1981-09-18 FR FR8117621A patent/FR2490719A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3035590C2 (en) | 1990-06-28 |
DE3035590A1 (en) | 1982-05-06 |
FR2490719B1 (en) | 1985-02-08 |
GB2084130A (en) | 1982-04-07 |
AU548565B2 (en) | 1985-12-19 |
FR2490719A1 (en) | 1982-03-26 |
AU7550581A (en) | 1982-04-01 |
GB2084130B (en) | 1984-07-04 |
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