FR2490719A1 - Procede de remblayage pneumatique au moyen d'alpha-sulfate-semi-hydrate et/ou de beta-sulfate-semi-hydrate - Google Patents
Procede de remblayage pneumatique au moyen d'alpha-sulfate-semi-hydrate et/ou de beta-sulfate-semi-hydrate Download PDFInfo
- Publication number
- FR2490719A1 FR2490719A1 FR8117621A FR8117621A FR2490719A1 FR 2490719 A1 FR2490719 A1 FR 2490719A1 FR 8117621 A FR8117621 A FR 8117621A FR 8117621 A FR8117621 A FR 8117621A FR 2490719 A1 FR2490719 A1 FR 2490719A1
- Authority
- FR
- France
- Prior art keywords
- hemihydrate
- sulfate
- alpha
- sulphate
- beta
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 16
- 235000019738 Limestone Nutrition 0.000 claims abstract description 13
- 239000006028 limestone Substances 0.000 claims abstract description 13
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052925 anhydrite Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract 1
- 238000007792 addition Methods 0.000 description 9
- 239000010881 fly ash Substances 0.000 description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 8
- 235000011941 Tilia x europaea Nutrition 0.000 description 8
- 239000004571 lime Substances 0.000 description 8
- XZZZMRPZBYIFPN-UHFFFAOYSA-N O.OS(O)(=O)=O.OS(O)(=O)=O Chemical compound O.OS(O)(=O)=O.OS(O)(=O)=O XZZZMRPZBYIFPN-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000004035 construction material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 235000010261 calcium sulphite Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000004295 calcium sulphite Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- VCSZKSHWUBFOOE-UHFFFAOYSA-N dioxidanium;sulfate Chemical compound O.O.OS(O)(=O)=O VCSZKSHWUBFOOE-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- DGMKFQYCZXERLX-UHFFFAOYSA-N proglumide Chemical compound CCCN(CCC)C(=O)C(CCC(O)=O)NC(=O)C1=CC=CC=C1 DGMKFQYCZXERLX-UHFFFAOYSA-N 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- QVJDRNBLHGWWNG-UHFFFAOYSA-N sulfurous acid dihydrate Chemical compound O.O.S(=O)(O)O QVJDRNBLHGWWNG-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 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)
- Inorganic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (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 (de) | 1980-09-20 | 1980-09-20 | Blasversatz von (alpha) -sulfathalbhydrat und/oder (beta) -sulfathalbhydrat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2490719A1 true FR2490719A1 (fr) | 1982-03-26 |
| FR2490719B1 FR2490719B1 (de) | 1985-02-08 |
Family
ID=6112475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8117621A Granted FR2490719A1 (fr) | 1980-09-20 | 1981-09-18 | Procede de remblayage pneumatique au moyen d'alpha-sulfate-semi-hydrate et/ou de beta-sulfate-semi-hydrate |
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)
| 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)
| 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 |
-
1980
- 1980-09-20 DE DE19803035590 patent/DE3035590A1/de active Granted
-
1981
- 1981-08-05 ZA ZA815367A patent/ZA815367B/xx unknown
- 1981-09-18 FR FR8117621A patent/FR2490719A1/fr active Granted
- 1981-09-18 AU AU75505/81A patent/AU548565B2/en not_active Ceased
- 1981-09-18 GB GB8128295A patent/GB2084130B/en not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| Néant. * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2084130A (en) | 1982-04-07 |
| AU548565B2 (en) | 1985-12-19 |
| DE3035590A1 (de) | 1982-05-06 |
| GB2084130B (en) | 1984-07-04 |
| AU7550581A (en) | 1982-04-01 |
| ZA815367B (en) | 1982-08-25 |
| DE3035590C2 (de) | 1990-06-28 |
| FR2490719B1 (de) | 1985-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |