JP5109060B2 - 鉛ガラスの無害化を伴う無機質固化体の製造方法 - Google Patents
鉛ガラスの無害化を伴う無機質固化体の製造方法 Download PDFInfo
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- JP5109060B2 JP5109060B2 JP2006136156A JP2006136156A JP5109060B2 JP 5109060 B2 JP5109060 B2 JP 5109060B2 JP 2006136156 A JP2006136156 A JP 2006136156A JP 2006136156 A JP2006136156 A JP 2006136156A JP 5109060 B2 JP5109060 B2 JP 5109060B2
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- lead
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- 239000005355 lead glass Substances 0.000 title claims description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000001784 detoxification Methods 0.000 title description 3
- 239000002994 raw material Substances 0.000 claims description 68
- 239000000203 mixture Substances 0.000 claims description 59
- 239000002699 waste material Substances 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 22
- 239000011019 hematite Substances 0.000 claims description 18
- 229910052595 hematite Inorganic materials 0.000 claims description 18
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 18
- 238000010304 firing Methods 0.000 claims description 16
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 13
- 239000002440 industrial waste Substances 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 6
- 229910003480 inorganic solid Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 description 19
- 239000002956 ash Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- 229910001385 heavy metal Inorganic materials 0.000 description 10
- 239000010881 fly ash Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 235000013980 iron oxide Nutrition 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052793 cadmium Inorganic materials 0.000 description 4
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 4
- 239000010883 coal ash Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- -1 silicate compound Chemical class 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011335 coal coke Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- CYPPCCJJKNISFK-UHFFFAOYSA-J kaolinite Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[O-][Si](=O)O[Si]([O-])=O CYPPCCJJKNISFK-UHFFFAOYSA-J 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002023 wood 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
- Processing Of Solid Wastes (AREA)
- Compositions Of Oxide Ceramics (AREA)
Description
(a)焼成後の無機質固化体中のSiO2と、Al2O3と、Na2O(K2Oを等モルでNa2Oに換算した値を含む)の合計を100重量%としたとき、SiO2が75重量%以上95重量%未満の場合はNa2O/(Al2O3+Na2O)の値を0.1〜0.9とし、SiO2が45重量%以上75重量%未満の場合はNa2O/(Al2O3+Na2O)の値を0.1〜0.6とする。
(b)焼成後の無機質固化体中のCaOを40重量%未満とする。
(c)全原料混合物中のヘマタイトに換算した酸化鉄量を、内割りで、全原料混合物中のヘマタイト量最大値(重量%)=(1250−焼成温度(℃))×(8/250)+7と、全原料混合物中のヘマタイト量最小値(重量%)=(1250−焼成温度(℃))×(1/250)+1との間とする。
(d)全原料混合物中の炭素量(重量%)を、内割りで、全原料混合物中の炭素量最大値(重量%)=全原料混合物中のヘマタイト量最大値×0.8と、全原料混合物中の炭素量最小値(重量%)=全原料混合物中のヘマタイト量最小値との間とする。
条件(b):焼成後の無機質固化体中のCaOを40重量%未満とする。
条件(c):全原料混合物中のヘマタイトに換算した酸化鉄量を、内割りで、全原料混合物中のヘマタイト量最大値(重量%)=(1250−焼成温度(℃))×(8/250)+7と、全原料混合物中のヘマタイト量最小値(重量%)=(1250−焼成温度(℃))×(1/250)+1との間とする。
条件(d):全原料混合物中の炭素量(重量%)を、内割りで、全原料混合物中の炭素量最大値(重量%)=全原料混合物中のヘマタイト量最大値×0.8と、全原料混合物中の炭素量最小値(重量%)=全原料混合物中のヘマタイト量最小値との間とする。
Claims (2)
- 都市ゴミや産業廃棄物を焼却又は溶融して得られる灰を主原料とする無機質固化体の製造方法において、原料に単独で平均粒径15μm以下に粉砕した鉛ガラスを原料全体の20重量%以下混合し、得られた原料混合物を5〜20mmの大きさに造粒するか若しくは所定の形状に成形して、1000〜1250℃の温度で焼成することにより、鉛ガラス中の鉛を揮発分離して無害化することを特徴とする無機質固化体の製造方法。
- 下記組成条件(a)〜(d)を満足するように原料混合物の配合を調整することを特徴とする、請求項1に記載の無機質固化体の製造方法。
(a)焼成後の無機質固化体中のSiO2と、Al2O3と、Na2O(K2Oを等モルでNa2Oに換算した値を含む)の合計を100重量%としたとき、SiO2が75重量%以上95重量%未満の場合はNa2O/(Al2O3+Na2O)の値を0.1〜0.9とし、SiO2が45重量%以上75重量%未満の場合はNa2O/(Al2O3+Na2O)の値を0.1〜0.6とする。
(b)焼成後の無機質固化体中のCaOを40重量%未満とする。
(c)全原料混合物中のヘマタイトに換算した酸化鉄量を、内割りで、全原料混合物中のヘマタイト量最大値(重量%)=(1250−焼成温度(℃))×(8/250)+7と、全原料混合物中のヘマタイト量最小値(重量%)=(1250−焼成温度(℃))×(1/250)+1との間とする。
(d)全原料混合物中の炭素量(重量%)を、内割りで、全原料混合物中の炭素量最大値(重量%)=全原料混合物中のヘマタイト量最大値×0.8と、全原料混合物中の炭素量最小値(重量%)=全原料混合物中のヘマタイト量最小値との間とする。
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---|---|---|---|
JP2006136156A JP5109060B2 (ja) | 2006-05-16 | 2006-05-16 | 鉛ガラスの無害化を伴う無機質固化体の製造方法 |
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JP2006136156A JP5109060B2 (ja) | 2006-05-16 | 2006-05-16 | 鉛ガラスの無害化を伴う無機質固化体の製造方法 |
Publications (2)
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JP2007308310A JP2007308310A (ja) | 2007-11-29 |
JP5109060B2 true JP5109060B2 (ja) | 2012-12-26 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CZ2008129A3 (cs) * | 2008-03-04 | 2009-12-09 | Vysoká škola chemicko-technologická v Praze | Produkt získaný úpravou odprašku z výroby olovnatého skla, zpusob jeho prípravy a použití |
CZ301868B6 (cs) * | 2008-12-08 | 2010-07-14 | Vysoká škola chemicko - technologická v Praze | Produkt získaný úpravou odprašku z výroby olovnatého skla, zpusob jeho prípravy a použití |
JP6061291B2 (ja) * | 2012-11-12 | 2017-01-18 | 鳥取県 | ガラスからの重金属の分離方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1095648A (ja) * | 1996-09-19 | 1998-04-14 | Sumitomo Metal Mining Co Ltd | 人工骨材の製造方法 |
JP2002003248A (ja) * | 2000-06-21 | 2002-01-09 | Sumitomo Metal Mining Co Ltd | ごみ焼却灰を用いた人工骨材の製造方法 |
JP2003246656A (ja) * | 2001-12-18 | 2003-09-02 | Sumitomo Metal Mining Co Ltd | 無機質固化体の製造方法 |
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