JPH0228534B2 - - Google Patents
Info
- Publication number
- JPH0228534B2 JPH0228534B2 JP7463884A JP7463884A JPH0228534B2 JP H0228534 B2 JPH0228534 B2 JP H0228534B2 JP 7463884 A JP7463884 A JP 7463884A JP 7463884 A JP7463884 A JP 7463884A JP H0228534 B2 JPH0228534 B2 JP H0228534B2
- Authority
- JP
- Japan
- Prior art keywords
- coal ash
- coal
- granular
- weight
- ash
- 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
- 239000000463 material Substances 0.000 claims description 29
- 239000010883 coal ash Substances 0.000 claims description 27
- 239000003245 coal Substances 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 13
- 238000011282 treatment Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 229910052602 gypsum Inorganic materials 0.000 claims description 9
- 239000010440 gypsum Substances 0.000 claims description 9
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 8
- 150000004683 dihydrates Chemical class 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 8
- 239000000920 calcium hydroxide Substances 0.000 claims description 7
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 7
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 235000012255 calcium oxide Nutrition 0.000 claims description 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 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 4
- 239000011812 mixed powder Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 16
- 238000003756 stirring Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 6
- 239000010881 fly ash Substances 0.000 description 5
- 238000004898 kneading Methods 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910001653 ettringite Inorganic materials 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010298 pulverizing process 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
- C04B18/085—Pelletizing
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59074638A JPS60221351A (ja) | 1984-04-13 | 1984-04-13 | 石炭灰を主原料とする粒状硬化体の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59074638A JPS60221351A (ja) | 1984-04-13 | 1984-04-13 | 石炭灰を主原料とする粒状硬化体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60221351A JPS60221351A (ja) | 1985-11-06 |
| JPH0228534B2 true JPH0228534B2 (enExample) | 1990-06-25 |
Family
ID=13552950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59074638A Granted JPS60221351A (ja) | 1984-04-13 | 1984-04-13 | 石炭灰を主原料とする粒状硬化体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60221351A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756761A (en) * | 1986-06-16 | 1988-07-12 | O'okiep Copper Company Ltd. | Methods of making cementitious compositions from waste products |
| JP2002255619A (ja) * | 2001-02-27 | 2002-09-11 | Taiheiyo Cement Corp | 空洞充填材 |
| JP4835359B2 (ja) * | 2005-09-30 | 2011-12-14 | 宇部興産株式会社 | 石炭灰造粒砂および石炭灰造粒砂の製造方法 |
-
1984
- 1984-04-13 JP JP59074638A patent/JPS60221351A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60221351A (ja) | 1985-11-06 |
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