TR201912292A2 - Dolomi̇t taşinin sağlamlaştirilmasi - Google Patents
Dolomi̇t taşinin sağlamlaştirilmasi Download PDFInfo
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- TR201912292A2 TR201912292A2 TR2019/12292A TR201912292A TR201912292A2 TR 201912292 A2 TR201912292 A2 TR 201912292A2 TR 2019/12292 A TR2019/12292 A TR 2019/12292A TR 201912292 A TR201912292 A TR 201912292A TR 201912292 A2 TR201912292 A2 TR 201912292A2
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- dolomite
- stone
- obtaining
- nanoparticle solution
- solution containing
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- 229910000514 dolomite Inorganic materials 0.000 title claims abstract description 47
- 239000010459 dolomite Substances 0.000 title claims abstract description 47
- 239000004575 stone Substances 0.000 title claims abstract description 31
- 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 title description 2
- 238000005728 strengthening Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002105 nanoparticle Substances 0.000 claims description 30
- 239000000920 calcium hydroxide Substances 0.000 claims description 18
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 18
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 17
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 16
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 14
- 239000000347 magnesium hydroxide Substances 0.000 claims description 14
- 235000012254 magnesium hydroxide Nutrition 0.000 claims description 14
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 14
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- 235000012245 magnesium oxide Nutrition 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 5
- 235000012255 calcium oxide Nutrition 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 abstract description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229910021532 Calcite Inorganic materials 0.000 description 2
- -1 Mg2+ ions Chemical class 0.000 description 2
- 229910052599 brucite Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical class [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052564 epsomite Inorganic materials 0.000 description 1
- 150000003278 haem Chemical class 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 150000004687 hexahydrates Chemical class 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WRUGWIBCXHJTDG-UHFFFAOYSA-L magnesium sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O WRUGWIBCXHJTDG-UHFFFAOYSA-L 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229940001593 sodium carbonate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
-
- 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
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5072—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with oxides or hydroxides not covered by C04B41/5025
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00008—Obtaining or using nanotechnology related materials
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/547—Imitating ancient compositions, e.g. mediaeval mortars; Compositions specially designed for restauration of ancient buildings or building elements
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- C04B2111/72—Repairing or restoring existing buildings or building materials
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- Life Sciences & Earth Sciences (AREA)
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Abstract
Buluş, dolomit taşından Ca(OH)₂ ve Mg(OH)₂ nanotaneli solüsyonun hazırlanması ve zayıf dolomit taşının, bu nanotaneli solüsyon ile, içinde dolomit sentezleyerek sağlamlaştırılması yöntemi ile ilgilidir.
Description
TARIFNAME
DOLOMIT TASININ SAGLAM LASTIRILMASI
Bulusun Ilgili Oldugu Teknik Alan
Bulus, yapEitasüiolomit olan birçok degerli tarihi eserin zayithan bölgelerinde yine dolomit
sentezleyerek saglamlastüßiasüöntemi ile ilgilidir.
Bulusla Ilgili Teknigin Bilinen Durumu (Önceki Teknik)
Tarihi yapüâriöi onarIiIda kullanilân çimento, polimer esasIEharçlar gibi bazIZmaIzemeler
tarihi yapilârI özgün malzemeleri ile uyum göstermemekte ve bozulma sorunlarlZI
olusmaktadlü Örnegin yapEtasüjolomit olan bir yapüçimento esasIEharçlar ile onariIJEa o
bölgelerdeki taslar hlîla bozulmaktadlEI Çimentolu harçlar gözeneklilik ve su buharEl
geçirimliligi gibi özellikler bakIiIan dolomit ile uyusmadigiîiçin yap. nem sorunu ortaya
çiiîmakta ve çimentonun olusturdugu bazik ortamda dolomit tasükimyasal ayrlgh'iaya
ugramaktadIE Kimyasal ayrâ'na sonucu dolomitten ayrliân Mg2+ iyonlarüsimentonun içerdigi
sülfat (5042`) iyonlarEliIe birleserek çesitli MgSO4 tuzlarEI(epsomit ve hekzahidrat gibi)
olusturmaktadlEi YaplîltaslarIaki kopma, ayrIJBia gibi sorunlarda yaplgtlEina, bosluk
doldurma amaçlEbnarIilar için tasI fiziksel ve fizikomekanik özellikleri ile uyumlu olan,
kimyasal yan etki olusturmayacak harçlar hazEHanmaktadlB
Teknigin bilinen durumunda tarihi yapEliasIarIia zamanla olusan zaylflhmalarügidermek için
özellikle kireçtaslarüiçin Ca(OH)2 (kalsiyum hidroksit) nanotaneli solüsyonlar ile onari
çalEinaIarElûnce çatlaklari: doldurma, saglamlastlüna gibi) yapliîhaktadlü Nanotaneli
solüsyonlar tasI en ince kIaIIarIEia kadar girebilmektedir. Ca(OH)2 nanotaneleri nemli
ortamda, CO: (karbon dioksit) takviyesi ile tasI içinde karbonatlasarak CaCO3 (kalsiyum
karbonat-kalsit) olusmakta ve tasa benzer bir yapEIzayif] bölgelerde yeniden olusarak
saglamlastHna gerçeklesmektedir.
Dolomit tasII saglamlastßlßiasia da en ideal çözüm tasI yap-Dolusturan dolomit
mineralini zalehmlg bölgelerde yeniden olusturmaktlB Ancak dolomit normal atmosferik
kosullarda sentezlenemeyen bir mineraldir. Dolomit, dogada çok özel jeolojik ortamlarda
olusabilmekte, özellikle kinetik faktörler (Ca2+ ve Mg2+ iyonlarII (2032' iyonlarEile SEIEbir
sekilde dizilmesindeki zorluk gibi) olusumunu engellemektedir.
Bu nedenle dolomit tasII zaylfihyan bölgelerine (ince çatlak ve gözenekler gibi) kendisine
benzer bir dolomit tasEkuIIanilârak elde edilen nanotaneli solüsyonun uygulanmasEi/e bu
bölgelerde solüsyonun karbonatlasmaslýla dolomitin kendi yap_ benzer bir yapü
olusturularak saglamlastlEiIBiasühtiyaclîluyulmaktadEl
Bulusun Klgia Açilalamaslîiie Amaçlarij
Mevcut bulus, yukari bahsedilen gereksinimleri karsilâyan, dezavantajlarEörtadan kaIdEin
ve Ilave bazüivantajlar getiren, dolomit tasIan Ca(OH)2 ve Mg(OH)2 nanotaneli solüsyonun
haziEIhnmasEl/e zayIEl dolomit tasII nanotaneli solüsyon ile içinde dolomit sentezleyerek
saglamlastlîilü'iaslîiöntemi ile ilgilidir.
Bulusun öncelikli amacEl yapEi tasü dolomit olan birçok degerli tarihi eserin
saglamlastlElBiasIa dolomit taslZi ile mükemmel uyum gösterecek bir malzeme
gelistirilmesidir.
Bulusun amacEldoIomit tasII kendisinin kullanilârak Ca(OH)2 ve Mg(OH)2 nanotaneli
solüsyonlar. haziEiIanmasDve bu nanotaneli solüsyonun tasI içine uygulanmasEile zayiiîi
dolomit tasII içinde dolomit sentezlenmesi ile zayiiîidolomit tasII fiziksel ve fizikomekanik
özelliklerini yeniden kazandürak saglamlastlîlliîaslü
Bulusun bir diger amacüise Ca(OH)2 ve Mg(OH)2 nanotaneli solüsyonun dolomit tasII
kendisinden baslayarak bir arada hazIEIianmas-
Bulus ile hazlElianan nanotaneli solüsyonlar nano boyutlarIan dolayEldolomit tasia
bulunan çok küçük gözenek ve çatlaklara kolaylliîla nüfuz edebilmekte ve malzemenin yapEiZi
ile uyumlu saglamlastüna olanagüirtmaktadlü
Bulusu Açtlilayan Sekillerin TaniB'ilarEI
Sekil 1: Ca(OH)2 ve Mg(OH)2 nanotaneli solüsyonun haziEiianmasEiie bu solüsyonun tasI
Içerisinde ve tas. dEiar-a karbonatlasarak dolomit olusturmasElsIem adIiIarIEI
gösteren akElsemasEl
Bulusu Olusturan UnsurlarI/KIEIIBiIarII/Parçalar Tanm'ilarEi
Bulus dolomit tasIan Ca(OH)2 ve Mg(OH)2 nanotaneli solüsyonun hainanmasEi/e ve bu
solüsyonun tasI içerisinde ve dlgiar-da karbonatlasarak dolomit olusturulmasElislem
adllarüyrüyrüiumaralandlîlßî@olup her bir numaranlElaçUZlamasüisag- verilmektedir.
1: Tas OcagIan aI-n dolomit tasEE pulverizatör ile toz haline getirilmesi
2: Toz haline getirilen dolomitin 0.125 mm'lik süzgeçten geçirilip süzgecin
alt-a kalan örneklerin toplanmasü
(sönmemis kireç) ve MgO (periklaz) elde edilmesi
4: CaO/MgO toz karml, stokiyometrik orandan daha fazla, saf su eklenerek ultrasonik
banyoda, petri kaplarüçerisinde 1 saat boyunca hidroliz edilmesi
: Hidroliz olan örnegin desikatör içerisinde kurutulmaslîl
6: Ca(OH)2 (portlandit) ve Mg(OH)2 (brusit) nanotanelerinin elde edilmesi
7: Ultrasonik vibrasyon ve yaklasllZl 16 saat manyetik karlStlElna ile ve Ca(OH)2 Mg{OH)2
nanotanelerinin etil alkol içinde dagilîllîhasüle ortalama 400nm boyutunda nanotaneler içeren
ve derisimi 5% (aglEilllZYhacim) oran Eda olan bir nanotaneli solüsyon elde edilmesi
8: HazlEIhnan nanotaneli solüsyonun dolomit tasII zaymhyan bölgelerine (ince çatlak veya
gözenekler gibi) uygulanmasü/e yüksek bagiElnem (%80-95) ve yüksek pCOZ baletEwß-
0.4 atm) ortam Saglanan desikatörde uygulama yapüân taslar. karbonatlasmaslîl
9: Dolomit tasII içinde yine dolomit sentezlenmesi ve zayHîltasI saglamlasmasü
: Nanotaneli solüsyonun petri kaplarEIçerisinde yüksek bagiljnem (%80-95) ve yüksek
pCOZ baleicEGOB-OA atm) ortam Saglanan desikatörde karbonatlasmasü
11: Laboratuvar ortamIda dolomit sentezi
Bulusun AyrItmilçllamasEl
Bulusta öncelikle dogal dolomit örnekleri midyat dolomit tas ocaklarIan temin edilmistir.
AllEian bu örnekler pulverizatör ile toz haline getirilmis ve parçaciiîl boyutu ayüna
süzgecinden geçirilerek 0.125 mm altlElda kalan tanecikler toplanmSIIE Toplanan taneciklerin
(periklaz) elde edilmistir. CaO/MgO toz karglüli., stokiyometrik orandan daha fazla, saf su
eklenerek ultrasonik banyoda, petri kaplarlîliçerisinde 1 saat boyunca hidroliz edilmistir.
Hidroliz olan örnek desikatör içerisinde kurutulmustur. Sonuç olarak 100% verim ile Ca(OH)2
(portlandit) ve Mg(OH)2 (brusit) nanotaneleri elde edilmistir. Ultrasonik vibrasyon ve yaklasllZl
16 saat manyetik karlgtlîilna ile Ca(OH)2 ve Mg(OH)2 nanotaneleri alkol içinde dagßîüüig
(tercihen etil alkol )ve ortalama 400nm boyutunda nanotaneler içeren ve derisimi 5%
(aglîllllîihacim) oranIa olan bir nanotaneli solüsyon elde edilmistir. Bulus yöntemde
hazlEllanan nano taneli solüsyonlarlEl çökelmesine izin vermeden karlgt- [Etan hemen sonra
kullanilBialIB Solüsyonun hazEliandlgiülakitteki Mg/Ca oranü'dir yani Mg ve Ca oranßsittir.
Eger solüsyon bekletilirse Mg(OH)2 nanotanelerine göre daha büyük olan Ca(OH)2 taneleri
çökelmekte ve Mg/Ca oran BrtmaktadlE Mg orani. yüksek oldugu durumlarda genel olarak
görülen ürünler kalsit (CaCO3), nesquehonit (MgC03.3H20) ve eser miktarda dolomittir.
Yüksek bagllîlnem, desikatörün tabanlEla yerlestirilen doygun KN03 çözeltisi ile saglanmlStE
Karbondioksit kaynag &larak desikatör içine yerlestirilen bir beherde olusturulan okzalik asit
(C2H204) ve sodyumkarbonat (Na2C03) reaksiyonundan yararlanllüilStlE Elde edilen Ca(OH)2
ve Mg(OH)2 nanotaneli solüsyonu hem dolomit tasII içerisinde hem de dEar-a
karbonatlastEllErak dolomit olusumu gerçeklestirilebilmektedir. Bu nanotaneli solüsyon,
laboratuvar ortam a, desikatör içerisinde %80-95 bag [hemde (Tercihen %95) ve pCOz =
0,3-0,4 atm (Tercihen pCOz :0.4 atm) COZ ortam-a karbonatlastlElârak dolomit
sentezlenmistir. Bu yöntem ile olusturulan, ortalama 400nm boyutunda nanotaneler içeren ve
derisimi 5% (aglElilEl/hacim) oranIa olan nanotaneli solüsyon karigt-llîtan hemen sonra
karbonatlastlEllIhalIlEl AynEhanotaneli solüsyon, zayElhmEdolomit taslîörneklerine enjekte
edildiginde/emdirildiginde ve uygulama bölgesinde yüksek bagllîlnem %80-95 baglünemde
(Tercihen %95) ve zenginlestirilmis pCOz = 0,3-0,4 atm COZ ortamE(Tercihen pCOz :0.4
atm) saglandlgiIa, tasI bünyesine nüfuz eden solüsyon gözeneklerde/çatlaklarda
karbonatlasül dolomit olusturarak tasßaglamlastlîilnaktadlü
Claims (1)
- ISTEMLER Dolomit tasIElzlan Ca(0H)2 ve Mg(OH)2 `u birlikte içeren nanotaneli solüsyonun elde edilme yöntemi olup özelligi; Dolomit tas toz haline getirilmesi, Toplanan taneciklerin f-a 850-950 °C araliglia @Barak CaO ve MgO `e dönüsmesi, CaO/MgO toz karlSlînllEla su eklenerek ultrasonik banyoda hidroliz edilmesi, Örneklerin desikatör içerisinde kurutulmasÇl Ultrasonik vibrasyon ve manyetik karlgtülna ile Ca(OH)2 ve Mg(OH)2 nanotanelerin Ca(OH)2 ve Mg(OH)2 `u birlikte içeren nanotaneli solüsyonun elde edilmesi islem adilarllîiçermesidir. Istem 1 `e uygun yöntemle sentezlenen Ca(OH)2 ve Mg(OH)2 `u birlikte içeren nanotaneli solüsyon olup özelligi; dolomit elde edilmesinde kullan [Ifhaslîl Istem 1 `e uygun yöntemle sentezlenen Ca(OH)2 ve Mg(OH)2 `u birlikte içeren nanotaneli solüsyon olup özelligi; dolomit taslöllöl içinde yine dolomit sentezlenmesi ve zayllîltasI saglamlasmasIa kullanilBiasIEl Dolomit elde edilme yöntemi olup özelligi; Istem 1 `e göre hazEllanan nano taneli solüsyonlarE çökelmesine izin veremden karlSt-[Etan hemen sonra %80-95 bagiEl nem ve pCOz = 0,3-0,4 atm ortamIa dolomit yüzeyine uygulanmaslîlile gerçeklesmesidir.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR2019/12292A TR201912292A2 (tr) | 2019-08-15 | 2019-08-15 | Dolomi̇t taşinin sağlamlaştirilmasi |
PCT/TR2020/050705 WO2021029845A2 (en) | 2019-08-15 | 2020-08-13 | Dolomite consolidation |
EP20851739.1A EP3983350A4 (en) | 2019-08-15 | 2020-08-13 | CONSOLIDATION OF DOLOMITE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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TR2019/12292A TR201912292A2 (tr) | 2019-08-15 | 2019-08-15 | Dolomi̇t taşinin sağlamlaştirilmasi |
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TR201912292A2 true TR201912292A2 (tr) | 2021-02-22 |
Family
ID=74571280
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Application Number | Title | Priority Date | Filing Date |
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TR2019/12292A TR201912292A2 (tr) | 2019-08-15 | 2019-08-15 | Dolomi̇t taşinin sağlamlaştirilmasi |
Country Status (3)
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EP (1) | EP3983350A4 (tr) |
TR (1) | TR201912292A2 (tr) |
WO (1) | WO2021029845A2 (tr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4140534A (en) * | 1978-03-06 | 1979-02-20 | General Refractories Company | Process for producing synthetic magnesite - dolomite sinter |
US5908801A (en) * | 1997-05-23 | 1999-06-01 | Servicios Industriales Penoles, S.A. De C.V. | Process for the production of synthetic dolomite |
DE10327514B3 (de) * | 2003-06-17 | 2005-01-20 | Ziegenbalg, Gerald, Dr.rer.nat. | Verfahren zur verfestigenden Behandlung von mineralischen anorganischen Baustoffen |
DE102006027915B4 (de) * | 2006-06-17 | 2010-08-26 | K+S Ag | Verfahren zur Herstellung von Mg(OH)2-Nanopartikeln |
CN101318781A (zh) * | 2008-07-08 | 2008-12-10 | 浙江大学 | 一种从白云岩制备超细氧化镁的方法 |
DE102009034700B4 (de) * | 2008-07-25 | 2013-08-22 | Bene_Fit Systems Gmbh & Co. Kg | Nanoskalige Calcium- und/oder Magnesiumverbindungen zur Verwendung als Flammschutz in Polymeren |
-
2019
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2020
- 2020-08-13 EP EP20851739.1A patent/EP3983350A4/en active Pending
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WO2021029845A2 (en) | 2021-02-18 |
EP3983350A2 (en) | 2022-04-20 |
WO2021029845A3 (en) | 2021-07-22 |
EP3983350A4 (en) | 2022-08-31 |
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