CA2670049A1 - Rocks and aggregate, and methods of making and using the same - Google Patents
Rocks and aggregate, and methods of making and using the same Download PDFInfo
- Publication number
- CA2670049A1 CA2670049A1 CA002670049A CA2670049A CA2670049A1 CA 2670049 A1 CA2670049 A1 CA 2670049A1 CA 002670049 A CA002670049 A CA 002670049A CA 2670049 A CA2670049 A CA 2670049A CA 2670049 A1 CA2670049 A1 CA 2670049A1
- Authority
- CA
- Canada
- Prior art keywords
- aggregate
- carbonate
- roadway
- divalent cation
- magnesium
- 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 24
- 239000011435 rock Substances 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 12
- -1 e.g. Substances 0.000 claims abstract 11
- 239000002244 precipitate Substances 0.000 claims abstract 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract 5
- 239000002440 industrial waste Substances 0.000 claims abstract 5
- 229910052749 magnesium Inorganic materials 0.000 claims abstract 5
- 239000000203 mixture Substances 0.000 claims abstract 5
- 239000001095 magnesium carbonate Substances 0.000 claims abstract 3
- 238000001556 precipitation Methods 0.000 claims abstract 3
- 239000011575 calcium Substances 0.000 claims 10
- 239000011777 magnesium Substances 0.000 claims 10
- 150000001768 cations Chemical class 0.000 claims 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 8
- 229910052799 carbon Inorganic materials 0.000 claims 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 6
- 239000003546 flue gas Substances 0.000 claims 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 5
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 4
- 229910052791 calcium Inorganic materials 0.000 claims 4
- 239000002803 fossil fuel Substances 0.000 claims 4
- 238000005194 fractionation Methods 0.000 claims 4
- 239000007789 gas Substances 0.000 claims 4
- 230000000155 isotopic effect Effects 0.000 claims 4
- 239000000463 material Substances 0.000 claims 3
- 241000284466 Antarctothoa delta Species 0.000 claims 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 2
- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical compound [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 claims 2
- 239000004568 cement Substances 0.000 claims 2
- 239000003245 coal Substances 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 2
- 229910052753 mercury Inorganic materials 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- 230000001376 precipitating effect Effects 0.000 claims 2
- 239000013535 sea water Substances 0.000 claims 2
- 239000012267 brine Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000003345 natural gas Substances 0.000 claims 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims 1
- 235000010216 calcium carbonate Nutrition 0.000 abstract 1
- 235000011160 magnesium carbonates Nutrition 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 0 C1[C@]2*1CCCC2 Chemical compound C1[C@]2*1CCCC2 0.000 description 7
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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
Compositions comprising synthetic rock, e.g., aggregate, and methods of producing and using them are provided. The rock, e.g., aggregate, contains CO2 and/or other components of an industrial waste stream. The CO2 may be in the form of divalent cation carbonates, e.g., magnesium and calcium carbonates. Aspects of the invention include contacting a CO2 containing gaseous stream with a water to dissolve CO2, and placing the water under precipitation conditions sufficient to produce a carbonate containing precipitate product, e.g., a divalent cation carbonate.
Claims (68)
1. An aggregate comprising a CO2-sequestering component
2. The aggregate of claim 1 wherein the CO2-sequestering component comprises one or more carbonate compounds.
3. The aggregate of claim 2 wherein the one or more carbonate compounds make up at least 50%
w/w of the aggregate.
w/w of the aggregate.
4. The aggregate of claim 2 wherein the one or more carbonate compounds make up at least 90%
w/w of the aggregate.
w/w of the aggregate.
5. The aggregate of claim 2 wherein the one or more carbonate compounds make up at least 98%
w/w of the aggregate.
w/w of the aggregate.
6. The aggregate of claim 2 wherein the carbonate compounds comprise magnesium carbonate, calcium carbonate, magnesium calcium carbonate, or a combination thereof.
7. The aggregate of claim 6 wherein the molar ratio of calcium to magnesium in the aggregate is from 1/1 Ca/Mg to 1/10 Ca/Mg.
8. The aggregate of claim 6 wherein the molar ratio of calcium to magnesium in the aggregate is from 150/1 Ca/Mg to 10/1 Ca/Mg.
9. The aggregate of claim 6 wherein the molar ratio of calcium to magnesium in the aggregate is from 2/1 Ca/Mg to 1/2 Ca/Mg.
10. The aggregate of claim 1 having carbon isotopic fractionation (.delta.13C) value more negative than -10%~.
11. The aggregate of claim 1 having carbon isotopic fractionation (.delta.13C) value more negative than -20%~.
12. The aggregate of claim 1 that has a bulk density of between 75 lb/ft3 and 125 lb/ lb/ft3.
13. The aggregate of claim 1 that has a bulk density of between 90 Lb/ft3 and 115 lb/ lb/ft3.
14. The aggregate of claim 2 also comprising a sulfate and/or a sulfite.
15. The aggregate of claim 14 wherein the combined sulfate and/or sulfite comprise at least 0.1% w/w of the aggregate.
16. A structure comprising the aggregate of claim 1.
17. The structure of claim 16 that is a building, a roadway, or a dam.
18. The structure of claim 17 that is a roadway.
19. The roadway of claim 18 wherein the roadway sequesters at least 1 ton of CO2 per lane mile of roadway.
20. The roadway of claim 18 wherein the roadway sequesters at least 100 tons of CO2 per lane mile of roadway.
21. The roadway of claim 18 wherein the roadway sequesters at least 1000 tons of CO2 per lane mile of roadway.
22. An aggregate comprising carbon wherein the carbon has a carbon isotopic fractionation (.delta.13C) value more negative than -10%~.
23. The aggregate of claim 22 wherein the carbon has a .delta.13C value more negative than -20%~.
24. The aggregate of claim 22 wherein the carbon has a .delta.13C value more negative than -30%~.
25. The aggregate of claim 22 wherein the aggregate comprises carbonate.
26. The aggregate of claim 25 wherein the carbonate content of the aggregate is at least 10% w/w.
27. The aggregate of claim 25 wherein the carbonate content of the aggregate is at least 50% w/w.
28. The aggregate of claim 26 also comprising a sulfate and/or a sulfite.
29. The aggregate of claim 28 wherein the combined sulfate and sulfite comprise at least 0.1% w/w of the aggregate.
30. The aggregate of claim 25 wherein the carbonate comprises calcium carbonate, magnesium carbonate, calcium magnesium carbonate, or a combination thereof.
31. The aggregate of claim 30 wherein the calcium:magnesium molar ratio is between 200:1 and 1:2.
32. The aggregate of claim 22 that has a bulk density of between 75 lb/ft3 and 125 lb/ lb/ft3.
33. The aggregate of claim 22 that has a bulk density of between 90 Lb/ft3 and 115 lb/ lb/ft 3.
34. A structure comprising the aggregate of claim 22.
35. The structure of claim 34 that is a building, a roadway, or a dam.
36. The structure of claim 35 that is a roadway.
37. An aggregate comprising 90-99.9% carbonate, 0.1 to 10% sulfate and/or sulfite.
38. The aggregate of claim 37 further containing 0.00000001 to 0.000001%
mercury or mercury-containing compound.
mercury or mercury-containing compound.
39. The aggregate of claim 37 having a carbon isotopic fractionation (.delta.13C) value more negative than -10%~.
40. The aggregate of claim 37 that has a bulk density of between 75 lb/ft3 and 125 Lb/ lb/ft 3.
41. The aggregate of claim 40 that has a bulk density of between 90 Lb/ft3 and 115 Lb/ lb/ft 3.
42. A structure comprising the aggregate of claim 37.
43. The structure of claim 42 that is a building, a roadway, or a dam.
44. The structure of claim 43 that is a roadway.
45. A method of sequestering CO2 comprising (i) precipitating a Co2-sequestering carbonate compound composition from a divalent cation-containing water to form a precipitate; and (ii) producing aggregate comprising the Co2-sequestering carbonate compound composition
46. The method of claim 45 wherein producing the aggregate comprises subjecting the precipitate of claim 45 to elevated temperature, elevated pressure, or a combination thereof.
47. The method of claim 46 wherein said elevated temperature, elevated pressure, or combination thereof is produced by an extruder.
48. The method of claim 45 further comprising contacting the divalent cation-containing water with CO2 from an industrial waste gas stream.
49. The method of claim 45 further comprising contacting contacting the divalent cation-containing water with CO2 from the combustion of a fossil fuel.
50. The method of claim 48 wherein the industrial waste gas stream is a flue gas from a power plant or a cement plant.
51. The method of claim 50 wherein the flue gas is flue gas from a power plant.
52. The method of claim 51 wherein the power plant is a coal-fired power plant.
53. The method of claim 45 wherein the divalent cations of the divalent cation-containing water come at least partially from a saltwater.
54. The method of claim 53 wherein the saltwater comprises seawater or brine.
55. The method of claim 53 wherein the saltwater comprises seawater.
56. The method of claim 45 wherein the producing of the aggregate comprises producing aggregate of a predetermined size and shape.
57. A method of manufacturing aggregate comprising precipitating a carbonate compound from a divalent cation-containing water and processing the precipitate to produce an aggregate.
58. The method of claim 57 further comprising contacting contacting the divalent cation-containing water with CO2 from an industrial waste gas stream.
59. The method of claim 58 wherein the industrial waste gas stream is a flue gas from a power plant or a cement plant.
60. The method of claim 59 wherein the flue gas is flue gas from a power plant.
61. The method of claim 60 wherein the power plant is a coal-fired power plant.
62. The method of claim 57 further comprising contacting contacting the divalent cation-containing water with CO2 from the combustion of a fossil fuel.
63. The method of claim 62 wherein the fossil fuel comprises natural gas or coal.
64. The method of claim 63 wherein the fossil fuel comprises coal.
65. The method of claim 57 wherein the processing of the precipitate comprises treating the precipitate with elevated temperature, elevated pressure, or a combination thereof.
66. The method of claim 57 wherein the processing of the precipitate comprises combining the precipitate with a cementitious material and water, allowing the combination to set to provide a solidified material.
67. The method of claim 66 further comprising breaking up the solidified material.
68. A system for producing an aggregate, comprising (i) an input for a divalent cation-containing water;
(ii) a carbonate compound precipitation station that subjects the water to carbonate compound precipitation conditions and produces a precipitated carbonate compound composition; and (iii) an aggregate producer for producing aggregate from the precipitated carbonate compound composition.
(ii) a carbonate compound precipitation station that subjects the water to carbonate compound precipitation conditions and produces a precipitated carbonate compound composition; and (iii) an aggregate producer for producing aggregate from the precipitated carbonate compound composition.
Applications Claiming Priority (27)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5697208P | 2008-05-29 | 2008-05-29 | |
| US61/056,972 | 2008-05-29 | ||
| US7331908P | 2008-06-17 | 2008-06-17 | |
| US61/073,319 | 2008-06-17 | ||
| US8129908P | 2008-07-16 | 2008-07-16 | |
| US61/081,299 | 2008-07-16 | ||
| US10163108P | 2008-09-30 | 2008-09-30 | |
| US10162908P | 2008-09-30 | 2008-09-30 | |
| US10162608P | 2008-09-30 | 2008-09-30 | |
| US61/101,626 | 2008-09-30 | ||
| US61/101,629 | 2008-09-30 | ||
| US61/101,631 | 2008-09-30 | ||
| US10764508P | 2008-10-22 | 2008-10-22 | |
| US61/107,645 | 2008-10-22 | ||
| US11754108P | 2008-11-24 | 2008-11-24 | |
| US11754308P | 2008-11-24 | 2008-11-24 | |
| US61/117,543 | 2008-11-24 | ||
| US61/117,541 | 2008-11-24 | ||
| US12/344,019 | 2008-12-24 | ||
| US12/344,019 US7887694B2 (en) | 2007-12-28 | 2008-12-24 | Methods of sequestering CO2 |
| US14963309P | 2009-02-03 | 2009-02-03 | |
| US61/149,633 | 2009-02-03 | ||
| US15899209P | 2009-03-10 | 2009-03-10 | |
| US61/158,992 | 2009-03-10 | ||
| US18125009P | 2009-05-26 | 2009-05-26 | |
| US61/181,250 | 2009-05-26 | ||
| PCT/US2009/045722 WO2009146436A1 (en) | 2008-05-29 | 2009-05-29 | Rocks and aggregate, and methods of making and using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2670049A1 true CA2670049A1 (en) | 2009-11-29 |
| CA2670049C CA2670049C (en) | 2011-10-25 |
Family
ID=41416196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2670049A Active CA2670049C (en) | 2008-05-29 | 2009-05-29 | Rocks and aggregate, and methods of making and using the same |
Country Status (3)
| Country | Link |
|---|---|
| AR (1) | AR073172A1 (en) |
| CA (1) | CA2670049C (en) |
| TW (1) | TW201012755A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9108883B2 (en) | 2013-06-25 | 2015-08-18 | Carboncure Technologies, Inc. | Apparatus for carbonation of a cement mix |
| US9376345B2 (en) | 2013-06-25 | 2016-06-28 | Carboncure Technologies Inc. | Methods for delivery of carbon dioxide to a flowable concrete mix |
| US9388072B2 (en) | 2013-06-25 | 2016-07-12 | Carboncure Technologies Inc. | Methods and compositions for concrete production |
| US9492945B2 (en) | 2012-10-25 | 2016-11-15 | Carboncure Technologies Inc. | Carbon dioxide treatment of concrete upstream from product mold |
| US9738562B2 (en) | 2013-06-25 | 2017-08-22 | Carboncure Technologies Inc. | Methods and compositions for concrete production |
| US9790131B2 (en) | 2013-02-04 | 2017-10-17 | Carboncure Technologies Inc. | System and method of applying carbon dioxide during the production of concrete |
| US10350787B2 (en) | 2014-02-18 | 2019-07-16 | Carboncure Technologies Inc. | Carbonation of cement mixes |
| US10570064B2 (en) | 2014-04-07 | 2020-02-25 | Carboncure Technologies Inc. | Integrated carbon dioxide capture |
| US10927042B2 (en) | 2013-06-25 | 2021-02-23 | Carboncure Technologies, Inc. | Methods and compositions for concrete production |
| US11660779B2 (en) | 2016-04-11 | 2023-05-30 | Carboncure Technologies Inc. | Methods and compositions for treatment of concrete wash water |
| US11958212B2 (en) | 2017-06-20 | 2024-04-16 | Carboncure Technologies Inc. | Methods and compositions for treatment of concrete wash water |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109776044A (en) * | 2017-11-15 | 2019-05-21 | 无锡乘航装饰工程有限公司 | A kind of novel high-strength inorganic artificial hilllock stone and preparation method thereof |
| WO2020154518A1 (en) * | 2019-01-23 | 2020-07-30 | Blue Planet, Ltd. | Carbonate aggregate compositions and methods of making and using the same |
| CN110320122B (en) * | 2019-06-12 | 2022-06-10 | 华北水利水电大学 | Accurate detection method for rock mineral abrasiveness |
-
2009
- 2009-05-29 AR ARP090101939 patent/AR073172A1/en unknown
- 2009-05-29 CA CA2670049A patent/CA2670049C/en active Active
- 2009-06-01 TW TW98118039A patent/TW201012755A/en unknown
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9492945B2 (en) | 2012-10-25 | 2016-11-15 | Carboncure Technologies Inc. | Carbon dioxide treatment of concrete upstream from product mold |
| US10654191B2 (en) | 2012-10-25 | 2020-05-19 | Carboncure Technologies Inc. | Carbon dioxide treatment of concrete upstream from product mold |
| US10683237B2 (en) | 2013-02-04 | 2020-06-16 | Carboncure Technologies Inc. | System and method of applying carbon dioxide during the production of concrete |
| US9790131B2 (en) | 2013-02-04 | 2017-10-17 | Carboncure Technologies Inc. | System and method of applying carbon dioxide during the production of concrete |
| US9376345B2 (en) | 2013-06-25 | 2016-06-28 | Carboncure Technologies Inc. | Methods for delivery of carbon dioxide to a flowable concrete mix |
| US9108883B2 (en) | 2013-06-25 | 2015-08-18 | Carboncure Technologies, Inc. | Apparatus for carbonation of a cement mix |
| US9758437B2 (en) | 2013-06-25 | 2017-09-12 | Carboncure Technologies Inc. | Apparatus for delivery of carbon dioxide to a concrete mix in a mixer and determining flow rate |
| US9388072B2 (en) | 2013-06-25 | 2016-07-12 | Carboncure Technologies Inc. | Methods and compositions for concrete production |
| US10246379B2 (en) | 2013-06-25 | 2019-04-02 | Carboncure Technologies Inc. | Methods and compositions for concrete production |
| US11773031B2 (en) | 2013-06-25 | 2023-10-03 | Carboncure Technologies Inc. | Apparatus for delivery of a predetermined amount of solid and gaseous carbon dioxide |
| US9738562B2 (en) | 2013-06-25 | 2017-08-22 | Carboncure Technologies Inc. | Methods and compositions for concrete production |
| US9463580B2 (en) | 2013-06-25 | 2016-10-11 | Carboncure Technologies Inc. | Methods for carbonation of a cement mix in a mixer |
| US11773019B2 (en) | 2013-06-25 | 2023-10-03 | Carboncure Technologies Inc. | Methods and compositions for concrete production |
| US10927042B2 (en) | 2013-06-25 | 2021-02-23 | Carboncure Technologies, Inc. | Methods and compositions for concrete production |
| US10350787B2 (en) | 2014-02-18 | 2019-07-16 | Carboncure Technologies Inc. | Carbonation of cement mixes |
| US10570064B2 (en) | 2014-04-07 | 2020-02-25 | Carboncure Technologies Inc. | Integrated carbon dioxide capture |
| US11878948B2 (en) | 2014-04-07 | 2024-01-23 | Carboncure Technologies Inc. | Integrated carbon dioxide capture |
| US11660779B2 (en) | 2016-04-11 | 2023-05-30 | Carboncure Technologies Inc. | Methods and compositions for treatment of concrete wash water |
| US11958212B2 (en) | 2017-06-20 | 2024-04-16 | Carboncure Technologies Inc. | Methods and compositions for treatment of concrete wash water |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201012755A (en) | 2010-04-01 |
| CA2670049C (en) | 2011-10-25 |
| AR073172A1 (en) | 2010-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |