KR100613492B1 - 칼슘설포알루미네이트 광물이 함유된 고화재 및 그제조방법 - Google Patents
칼슘설포알루미네이트 광물이 함유된 고화재 및 그제조방법 Download PDFInfo
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- KR100613492B1 KR100613492B1 KR20040008783A KR20040008783A KR100613492B1 KR 100613492 B1 KR100613492 B1 KR 100613492B1 KR 20040008783 A KR20040008783 A KR 20040008783A KR 20040008783 A KR20040008783 A KR 20040008783A KR 100613492 B1 KR100613492 B1 KR 100613492B1
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- cement
- calcium sulfoaluminate
- sludge
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- 239000011575 calcium Substances 0.000 title claims abstract description 45
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- -1 Calcium Sulfo Aluminate Chemical class 0.000 title claims abstract description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000010802 sludge Substances 0.000 claims abstract description 32
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 25
- 239000002440 industrial waste Substances 0.000 claims abstract description 15
- 231100001261 hazardous Toxicity 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000002910 solid waste Substances 0.000 claims abstract 2
- 239000004568 cement Substances 0.000 claims description 35
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 30
- 239000011707 mineral Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 15
- 239000010440 gypsum Substances 0.000 claims description 11
- 229910052602 gypsum Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000010459 dolomite Substances 0.000 claims description 9
- 229910000514 dolomite Inorganic materials 0.000 claims description 9
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- 210000004556 brain Anatomy 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000011812 mixed powder Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 150000002736 metal compounds Chemical class 0.000 abstract description 4
- 239000006227 byproduct Substances 0.000 abstract description 3
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- 235000010755 mineral Nutrition 0.000 description 22
- 238000007711 solidification Methods 0.000 description 13
- 230000008023 solidification Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000006703 hydration reaction Methods 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 230000036571 hydration Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229940037003 alum Drugs 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- MYZAXBZLEILEBR-RVFOSREFSA-N (2S)-1-[(2S,3R)-2-[[(2R)-2-[[2-[[(2S)-2-[(2-aminoacetyl)amino]-5-(diaminomethylideneamino)pentanoyl]amino]acetyl]amino]-3-sulfopropanoyl]amino]-3-hydroxybutanoyl]pyrrolidine-2-carboxylic acid Chemical compound C[C@@H](O)[C@H](NC(=O)[C@H](CS(O)(=O)=O)NC(=O)CNC(=O)[C@H](CCCN=C(N)N)NC(=O)CN)C(=O)N1CCC[C@H]1C(O)=O MYZAXBZLEILEBR-RVFOSREFSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 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
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011738 major mineral Substances 0.000 description 1
- 235000011963 major mineral Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 108700002400 risuteganib Proteins 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Images
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
- C04B18/0418—Wet materials, e.g. slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/10—Acids or salts thereof containing carbon in the anion
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
-
- 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
- C04B28/16—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 anhydrite, e.g. Keene's cement
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
-
- 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)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
시료명 | 화학조성(중량%) | ||||||||
SiO2 | Al2O3 | Fe2O3 | CaO | MgO | Na2O | K2O | SO3 | lg-loss | |
백운석슬러지 | 3.7 | 1.2 | 1.7 | 40.7 | 10.4 | 0.13 | 0.26 | 0.61 | 41.06 |
압연슬러지 | 13.8 | 22.1 | 7.0 | 11.3 | 2.2 | 0.44 | 0.48 | 0.55 | 39.83 |
인산부산석고 | 3.34 | 0.87 | 0.35 | 33.93 | 0.45 | 0.01 | 0.03 | 42.23 | 16.40 |
시료명 | 중금속 함유량(mg/kg) | |||||
Hg | Cd | Cr+6 | As | Pb | Cu | |
슬러지 | 2.3 | 25.3 | 10.0 | 1,720 | 4,650 | 478 |
구 분 | 배합비(중량%) | 고화강도(kg/cm2) | |||||
슬러지 | 고화재 조성물(20중량%) | 7일 | 28일 | ||||
시멘트 | CSA | 명반 | 소다회 | ||||
비교예 | 80 | 100 | 0 | 0 | 0 | 2.0 | 2.7 |
실시예 1 | 80 | 95 | 5 | 0 | 0 | 5.8 | 8.6 |
실시예 2 | 80 | 90 | 10 | 0 | 0 | 11.2 | 14.3 |
실시예 3 | 80 | 80 | 15 | 5 | 0 | 14.3 | 16.7 |
실시예 4 | 80 | 70 | 20 | 0 | 5 | 22.4 | 28.9 |
실시예 5 | 80 | 60 | 30 | 5 | 5 | 30.6 | 35.9 |
실시예 6 | 80 | 50 | 50 | 0 | 0 | 33.5 | 40.1 |
구 분 | 중금속 용출량(mg/L) | |||||
Hg | Cd | Cr+6 | As | Pb | Cu | |
비교예 | 0.07 | 0.48 | 0.13 | 27.26 | 12.24 | 6.36 |
실시예 1 | 불검출 | 0.04 | 0.06 | 0.14 | 0.13 | 0.85 |
실시예 2 | 불검출 | 0.01 | 0.05 | 0.06 | 0.08 | 0.37 |
실시예 3 | 불검출 | 불검출 | 0.03 | 0.02 | 0.04 | 0.11 |
실시예 4 | 불검출 | 0.005 | 불검출 | 0.01 | 0.02 | 0.04 |
실시예 5 | 불검출 | 불검출 | 0.01 | 불검출 | 0.01 | 0.03 |
실시예 6 | 불검출 | 불검출 | 0.01 | 불검출 | 0.01 | 0.02 |
기준치 | 0.005 | 0.1 | 0.5 | 0.5 | 1.0 | 3.0 |
Claims (11)
- 유해 중금속 함유 산업폐기물 및 슬러지의 고화재에 있어서;30 ~ 66중량%인 압연종말슬러지와, 30 ~ 50중량%인 백운석슬러지와, 4 ~ 20 중량%인 부산석고로 이루어져 시멘트 100 중량부에 대하여 5 ~ 50 중량부를 이루는 칼슘설포알루미네이트 분말과;시멘트 100 중량부에 대하여 1 ~ 5 중량부를 이루는 불용성 무수석고(CaSO4)와;시멘트 100 중량부에 대하여 0.5 ~ 10 중량부를 이루는 알칼리 탄산염; 및시멘트 100 중량부에 대하여 0.5 ~ 10 중량부를 이루는 황산염이 포함된 것을 특징으로 하는 칼슘설포알루미네이트 광물이 함유된 고화재.
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서;상기 칼슘설포알루미네이트 분말은 브레인 비표면적이 2,000 ∼5,000cm2/g인 것을 특징으로 하는 칼슘설포알루미네이트 광물이 함유된 고화재.
- 제 1 항에 대하여;상기 알칼리 탄산염은 Na2CO3, K2CO3 중에 어느 하나 인 것을 특징으로 하는 칼슘설포알루미네이트 광물이 함유된 고화재.
- 제 1 항에 있어서;상기 황산염은 Al2(SO4)3인 것을 특징으로 하는 칼슘설포알루미네이트 광물이 함유된 고화재.
- 유해 중금속 함유 산업폐기물 및 슬러지의 고화재 제조방법에 있어서;칼슘설포알루미네이트 광물을 분쇄하여 분말의 브레인 비표면적이 2,000 ∼5,000cm2/g를 이루도록 하는 분쇄단계와;시멘트 및 상기 시멘트 100 중량부에 대하여 5 ~ 50 중량부를 이루는 칼슘설포알루미네이트 분말, 시멘트 100 중량부에 대하여 1 ~ 5 중량부를 이루는 불용성 무수석고 분말, 시멘트 100 중량부에 대하여 0.5 ~ 10 중량부를 이루고, Na2CO3, K2CO3 중에 어느 하나로 이루어지는 알칼리 탄산염, 시멘트 100 중량부에 대하여 0.5 ~ 10 중량부를 이루고, Al2(SO4)3로 이루어지는 황산염을 섞는 혼합단계가 포함된 것을 특징으로 하는 칼슘설포알루미네이트 광물이 함유된 고화재 제조방법.
- 삭제
- 삭제
- 제 8 항에 있어서;상기 칼슘설포알루미네이트 광물은 30 ~ 66중량%인 압연종말슬러지와, 30 ~ 50중량%인 백운석슬러지와, 4 ~ 20 중량%인 부산석고가 혼합되고, 상기 혼합물의 입도가 88㎛, 잔분이 5 ~ 20 중량%로 분쇄되며, 상기 혼합분말이 전기로에서 1,000 ~ 1,300℃로 1시간 이상 소성된 후에, 소성된 혼합물이 공냉됨으로써 이루어진 것을 특징으로 하는 칼슘설포알루미네이트 광물이 함유된 고화재 제조방법.
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