JPH0524873B2 - - Google Patents
Info
- Publication number
- JPH0524873B2 JPH0524873B2 JP9914988A JP9914988A JPH0524873B2 JP H0524873 B2 JPH0524873 B2 JP H0524873B2 JP 9914988 A JP9914988 A JP 9914988A JP 9914988 A JP9914988 A JP 9914988A JP H0524873 B2 JPH0524873 B2 JP H0524873B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- coal ash
- gypsum
- kneading
- 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 - Lifetime
Links
- 239000010883 coal ash Substances 0.000 claims description 55
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 229910052602 gypsum Inorganic materials 0.000 claims description 26
- 239000010440 gypsum Substances 0.000 claims description 26
- 238000004898 kneading Methods 0.000 claims description 26
- 150000004683 dihydrates Chemical class 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011812 mixed powder Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 10
- 238000002156 mixing Methods 0.000 description 9
- 230000000704 physical effect Effects 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
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 239000004566 building material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 3
- 239000001509 sodium citrate Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001653 ettringite Inorganic materials 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- -1 civil engineering Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63099149A JPH01270553A (ja) | 1988-04-20 | 1988-04-20 | 石炭灰の硬化体製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63099149A JPH01270553A (ja) | 1988-04-20 | 1988-04-20 | 石炭灰の硬化体製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01270553A JPH01270553A (ja) | 1989-10-27 |
| JPH0524873B2 true JPH0524873B2 (cs) | 1993-04-09 |
Family
ID=14239636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63099149A Granted JPH01270553A (ja) | 1988-04-20 | 1988-04-20 | 石炭灰の硬化体製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01270553A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8016937B2 (en) * | 2007-01-19 | 2011-09-13 | Ceratech, Inc. | High strength cement, mortar and concrete including industrial by-products |
| GB2497574B (en) | 2011-12-15 | 2019-10-02 | Saint Gobain Placo Sas | A method of forming a gypsum based product |
| US9394200B2 (en) | 2013-11-01 | 2016-07-19 | Ceratech Inc | Highly workable, high strength cement compositions |
-
1988
- 1988-04-20 JP JP63099149A patent/JPH01270553A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01270553A (ja) | 1989-10-27 |
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