DE3732281A1 - Verfahren zum kompaktieren von gips und abfallstoffen mit gips als bindemittel - Google Patents
Verfahren zum kompaktieren von gips und abfallstoffen mit gips als bindemittelInfo
- Publication number
- DE3732281A1 DE3732281A1 DE19873732281 DE3732281A DE3732281A1 DE 3732281 A1 DE3732281 A1 DE 3732281A1 DE 19873732281 DE19873732281 DE 19873732281 DE 3732281 A DE3732281 A DE 3732281A DE 3732281 A1 DE3732281 A1 DE 3732281A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- air
- moldings
- autoclave
- gypsum
- 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
- 239000010440 gypsum Substances 0.000 title claims abstract description 34
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000002699 waste material Substances 0.000 title description 9
- 239000011230 binding agent Substances 0.000 title description 3
- 150000004683 dihydrates Chemical class 0.000 claims abstract description 16
- 230000018044 dehydration Effects 0.000 claims abstract description 10
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000036961 partial effect Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000010811 mineral waste Substances 0.000 claims description 3
- 239000002956 ash Substances 0.000 description 11
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 239000004566 building material Substances 0.000 description 7
- 239000011455 calcium-silicate brick Substances 0.000 description 6
- 230000036571 hydration Effects 0.000 description 6
- 238000006703 hydration reaction Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000007575 Calluna vulgaris Nutrition 0.000 description 2
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000003077 lignite Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- JLFVIEQMRKMAIT-UHFFFAOYSA-N ac1l9mnz Chemical compound O.O.O JLFVIEQMRKMAIT-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011394 gypsum concrete Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000004056 waste incineration 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
- C04B28/141—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 containing dihydrated gypsum before the final hardening step, e.g. forming a dihydrated gypsum product followed by a de- and rehydration step
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873732281 DE3732281A1 (de) | 1987-09-25 | 1987-09-25 | Verfahren zum kompaktieren von gips und abfallstoffen mit gips als bindemittel |
| DE19893908964 DE3908964A1 (de) | 1987-09-25 | 1989-03-18 | Verfahren zur herstellung von schaumgips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873732281 DE3732281A1 (de) | 1987-09-25 | 1987-09-25 | Verfahren zum kompaktieren von gips und abfallstoffen mit gips als bindemittel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3732281A1 true DE3732281A1 (de) | 1989-04-06 |
| DE3732281C2 DE3732281C2 (enrdf_load_stackoverflow) | 1990-10-18 |
Family
ID=6336838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873732281 Granted DE3732281A1 (de) | 1987-09-25 | 1987-09-25 | Verfahren zum kompaktieren von gips und abfallstoffen mit gips als bindemittel |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3732281A1 (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3117662A1 (de) * | 1981-05-05 | 1982-11-25 | Heinrich 4350 Recklinghausen Quante | Gipsstein- und gipssandsteinherstellung |
-
1987
- 1987-09-25 DE DE19873732281 patent/DE3732281A1/de active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3117662A1 (de) * | 1981-05-05 | 1982-11-25 | Heinrich 4350 Recklinghausen Quante | Gipsstein- und gipssandsteinherstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3732281C2 (enrdf_load_stackoverflow) | 1990-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AT396225B (de) | Verfahren zur erzeugung von calciumsulfat-alphahalbhydrat aus feinteiligem calciumsulfat und dessen verwendung | |
| DE3819652C2 (enrdf_load_stackoverflow) | ||
| EP0064793B1 (de) | Verfahren zur Herstellung von Gipsformsteinen | |
| DE2255501B2 (de) | Sich ausdehnendes Zementadditiv und Verfahren zu seiner Herstellung | |
| DE3732281C2 (enrdf_load_stackoverflow) | ||
| DE3117662A1 (de) | Gipsstein- und gipssandsteinherstellung | |
| DE2818169C2 (de) | Verfahren zum Herstellen von porenarmen Gips-Formerzeugnissen | |
| EP0423567A2 (de) | Verfahren zur Entsorgung von Stäuben aus Abfallverbrennungsanlagen | |
| EP0208070B1 (de) | Verfahren zum Herstellen von Bauelementen aus Verbrennungsrückständen | |
| DE3711367C2 (enrdf_load_stackoverflow) | ||
| DE19627250C2 (de) | Verfahren zur Herstellung von praktisch phasenreinem Calciumsulfat-beta-Halbhydrat | |
| DE3816513C2 (enrdf_load_stackoverflow) | ||
| DE2251222C3 (de) | Verfahren zur Herstellung einer Masse für die Herstellung von Gipsformen aus ausrangierten Gipsformen | |
| DE3728464A1 (de) | Verfahren zur herstellung waermedaemmender voll- und lochsteine aus wirbelschichtrueckstaenden | |
| DE2160204A1 (de) | Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfaten | |
| DE3635237C2 (enrdf_load_stackoverflow) | ||
| AT124409B (de) | Verfahren zur Herstellung von Ziegeln. | |
| DE4109733A1 (de) | Verfahren zum herstellen von leichtbauelementen | |
| DE3340440A1 (de) | Verfahren zum herstellen von grobkeramischen formteilen | |
| AT349376B (de) | Verfahren zur herstellung von bauelementen | |
| DE2122201C3 (de) | Verfahren zur Herstellung hydraulisch erhärtender Baustoffe durch Brennen von SiO tief 2 enthaltendem Kalk | |
| DE19627251C2 (de) | Verfahren zur Herstellung von praktisch phasenreinem Calciumsulfat-Alpha-Halbhydrat | |
| DE2164886C3 (de) | Verfahren zur Herstellung von Bauelementen oder Zuschlagstoffen für Bauelemente aus einer Mischung aus Flugasche oder Waschberge und organischen Bindemitteln | |
| CH605464A5 (en) | Building materials prodn. from fly ash | |
| DE2146777A1 (de) | Verfahren zur herstellung von abbindefaehigen calciumsulfaten aus feinteiligen calciumsulfaten |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 3908964 Format of ref document f/p: P |
|
| AG | Has addition no. |
Ref country code: DE Ref document number: 3908964 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 3908964 Format of ref document f/p: P |
|
| 8331 | Complete revocation |