WO2016122422A1 - Procédés de production appliqués en vue d'obtenir une sépiolite de qualité rhéologique et produits obtenus - Google Patents

Procédés de production appliqués en vue d'obtenir une sépiolite de qualité rhéologique et produits obtenus Download PDF

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Publication number
WO2016122422A1
WO2016122422A1 PCT/TR2015/000034 TR2015000034W WO2016122422A1 WO 2016122422 A1 WO2016122422 A1 WO 2016122422A1 TR 2015000034 W TR2015000034 W TR 2015000034W WO 2016122422 A1 WO2016122422 A1 WO 2016122422A1
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WO
WIPO (PCT)
Prior art keywords
sepiolite
production process
obtaining
level
process applied
Prior art date
Application number
PCT/TR2015/000034
Other languages
English (en)
Inventor
Omar CELIK
Original Assignee
Celik Omar
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Celik Omar filed Critical Celik Omar
Priority to PCT/TR2015/000034 priority Critical patent/WO2016122422A1/fr
Publication of WO2016122422A1 publication Critical patent/WO2016122422A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/40—Clays
    • C01B33/405—Clays not containing aluminium

Definitions

  • PRODUCTION PROCESSES APPLIED FOR OBTAINING A RHEOLOGICAL GRADE SEPIOLITE AND RESULTING PRODUCTS
  • the invention is composed of the production processes applied for obtaining Sepiolite with a high rheological level and resulting products.
  • Sepiolite is a clay minera l which is composed of magnesium hydrosilicate. It is used as an admixture material in various production areas owing to its fibrous structure, crystal morphology, high surface area, surface activity as well as its absorptive, catalytic and especially , rheological characteristics. Considering the morphology of Sepiolite, it is seen that it has mainly a fibrous structure and there are internal channels throughout this fiber structure. Thanks to this structure, Sepiolite has a high level of absorption and it can retain water several times of its weight. Contrary to other clay minerals like Bentonite, during the water retention of Sepiolite, no expansion is experienced in its voiume. Such characterization prov ides an important advantage to the Sepiolite and its areas of usage.
  • Fibrous structuring which constitute the source of rheological qualification of sepiol ite stand as bund les/ c lusters which look like ' shrubs and grass' stacks.
  • Patents numbered EU Patent 0. 1 70.299. US Patent 3.951 .850, US Patent 3.999.068 and US Patent 3.509.056 in which methods of minimum 90% aqueous hydrocyclone. wet-mi lling and aqueous decantation/ disassociation/ disagglomeration methods with chemical agents are used in order to develop rheological qualifications of above mentioned m inerals and in order to enrich/ modify the mineral, can be given as an example.
  • the invention ensures that sepiol ite is gone through correct and serial mechanic/ physical processes and bundled/ clustered fibers are enriched/ modi fied b al igning/ setting/ elongating in the right direction without being damaged/ broken.
  • Sepiolite which w as brought to a superior leve l in terms of its rheological qualifications as a result of the invention confines/ holds the l iquid within its content and in its surrounding by easi ly dispersing in the water or high-low polarity dissolvers and it increases the suspension viscosity by this way.
  • PRODUCTION PROCESSES APPLIED FOR OBTAINING SEPIOLITE WITH A HIGH RHEO LOGICAL LE V EL AND RES ULTING PRODUCTS / DEFINITION OF IN VENTION
  • PRODUCTION PROCESSES APPLIED FOR OBTAINING SEPIOLITE W ITH A HIGH RHEOLOG CAL LEVEL AND RESULTING PRODUCTS / DEFI ITION OF INVENTION
  • the invention was considered to bring out a productive and less costly method with respect to the current methods and procedures appl ied for obtaining sepiolite with a high rheologica! level .
  • both the usage areas of the product would be enlarged and the yield from the product and its value-added would increase.
  • Clay mineral material which has a minimum 50% sepiolite in its content is extracted from the m ine by selecting it in its natural habitat. Sepiolite which was selectively extracted from the mine is laid at 1 0-20 cm thick in open field and left to rest for 5 to 20 days according to seasonal conditions in order to be homogenized and venti lated.
  • Rested sepiolite material is gathered and passed through a progressive crushing process and reduced to 0- 1 cm of size.
  • Sepiolite whose humidity is approx imated between 30-60% and sized, is m ixed with a single or double-blade Z type mixer unti l achieving a pasty material.
  • fiber structures which are bundled/ clustered to each other within its natural structure of the material , are separated from each other.
  • the material whose rheological qualifications are enriched/ modified by this way is removed from the double or single-blade Z type mixer-kneader and pelletized and sized by extrusion machine and afterwards dried below 300°C to have 6- 1 3% moisture in its content.
  • the pellets obtained as a result of this process is already a product on its self and can be placed on the market in order to be used in production processes where high rheological level additives with high-viscosity, thixotropic and pseudoplastic properties are required.
  • the production process for the product 1 is as follows:
  • Clay mineral material which has a minimum 50% sepiolite in its content is extracted from the mine by selecting it in its natural habitat.
  • Sepiolite which was selectively extracted from the mine is laid at 10-20 cm thick in open field and left to rest for 5 to 20 days according to seasonal conditions in order to be homogenized and ventilated.
  • Rested sepiolite material is gathered and passed through progressive crushing process and reduced to 0- 1 cm of size.
  • Sepiolite, whose hum idity is approximated between 30-60% and sized, is mixed/ kneaded with a single or double-blade Z type mixer-kneader until achieving a pasty material.
  • fiber structures which are bundled/ clustered to each other within its natural structure of the material are separated from each other and the first-phase of enrichment/ modification of this material's rheological qualifications is achieved .
  • the material removed from the double or single-blade Z type mixer-kneader is processed further by 2 or 3 cylinder-calander-machine, by this way, fiber structures are aligned/ set in the right direction and elongated by crushing/ kneading/ squeezing them and consequently the second phase of this enrichment/ modification process is completed.
  • the material whose rheological qualifications are enriched/ modified is pelletized and sized by extrusion machine and dried below 300°C to have 6- 1 3% moisture in its content.
  • the pel lets obtained as a result of this process is already a product on its self and can be placed on the market in order to be used in production processes where high rheological level additives with high-viscosity, thixotropic and pseudoplastic properties are required.
  • sepiolite which has reached the pel let-phase can be grinded at desired micron size to be able to be used in the fields in which micronized materials are needed in terms of grain size and easy appl ication.
  • Clay mineral material which has a m inimum 50% sepiolite in its content is extracted from the m ine by selecting it in its natural habitat.
  • Sepiolite which was selectively extracted from the mine is laid at 1 0-20 cm thick in open field and left to rest for 5 to 20 days according to seasonal conditions in order to be homogenized and ventilated.
  • Rested sepiolite material is gathered and passed through progressive crushing process and reduced to 0- 1 cm of size.
  • Sepiolite whose humidity is approximated between 30-60% and sized is mixed with a single or double-blade Z type mixer-kneader until achieving a pasty material.
  • fiber structures which are bundled/ clustered to each other within its natural structure of the material are separated from each other and the first-phase of enrichment/ modification of this material ' s rheologicai qualifications is achieved.
  • the material removed from the double or single-blade Z type mixer-kneader is processed further by a two-staged, plough/ spiral-extrusion machine, by this way, fiber structures are aligned/ set in the right direction and elongated by crushing kneading/ squeezing them and consequently the second phase of this enrichment/ modification process is completed.
  • the material whose rheologicai qualifications are enriched/ modified is pelletized and sized by extrusion machine and dried below 300°C to have 6- 1 3% moisture in its content.
  • the pel lets obtained as a result of this process is already a product on its self and can be placed on the market in order to be used in production processes where high rheologicai level additives with high-viscosity, thixotropic and pseudoplastic properties are required.
  • sepiolite which has reached the pel let-phase can be grinded at desired micron size to be able to be used in the fields in which micronized materials are needed in terms of grain size and easy appl ication.
  • Clay mineral material which has a minimum 50% sepiolite in its content is extracted from the mine by selecting it in its natural habitat.
  • Sepiolite which was selectively extracted from the mine is laid at 1 0-20 cm thick in open field and left to rest for 5 to 20 days according to seasonal conditions in order to be homogenized and venti lated.
  • Rested sepiolite material is gathered and passed through progressive crushing process and reduced to 0- 1 cm of size.
  • Sepiolite whose humidity is approximated between 30-60% and sized, is mixed with a single or double-blade Z type mixer until achieving a pasty material.
  • the material whose rheological qualifications are enriched/ modified is pelletized and sized b extrusion machine and dried below 300°C to have 6- 13% moisture in its content.
  • the pellets obtained as a result of this process is already a product on its self and can be placed on the market in order to be used in production processes where high rheological level additives with high- viscosity, thixotropic and pseudoplastic properties are required.
  • sepiolite which has reached the pellet-phase can be grinded at desired micron size to be able to be used in the fields in which microniquel materials are needed in terms of grain size and easy application.
  • rheological qualifications of final product which is achieved at the end of each production process vary according to enrichment/ modification level of fiber structure of the clay material which has a m inimum 50%) sepioiite in its content and the methods of m ixing, crushing, kneading and squeezing the material with other equipments.
  • M ixing, crushing, kneading and squeezing machines referenced by the invention are associated with today's technological opportunities.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

L'invention concerne les procédés de production appliqués en vue d'obtenir une sépiolite ayant un niveau rhéologique élevé et les produits obtenus qui garantissent que la sépiolite est enrichie/modifiée par passage par des processus mécaniques/physiques séquentiels adéquats et un alignement/agencement et allongement des faisceaux/amas de fibres dans le bon sens sans dommages/cassures.
PCT/TR2015/000034 2015-01-30 2015-01-30 Procédés de production appliqués en vue d'obtenir une sépiolite de qualité rhéologique et produits obtenus WO2016122422A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/TR2015/000034 WO2016122422A1 (fr) 2015-01-30 2015-01-30 Procédés de production appliqués en vue d'obtenir une sépiolite de qualité rhéologique et produits obtenus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2015/000034 WO2016122422A1 (fr) 2015-01-30 2015-01-30 Procédés de production appliqués en vue d'obtenir une sépiolite de qualité rhéologique et produits obtenus

Publications (1)

Publication Number Publication Date
WO2016122422A1 true WO2016122422A1 (fr) 2016-08-04

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Application Number Title Priority Date Filing Date
PCT/TR2015/000034 WO2016122422A1 (fr) 2015-01-30 2015-01-30 Procédés de production appliqués en vue d'obtenir une sépiolite de qualité rhéologique et produits obtenus

Country Status (1)

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WO (1) WO2016122422A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509056A (en) 1963-05-28 1970-04-28 Princeton Chemical Res Inc Viscosity index improvers
US3951850A (en) 1973-06-22 1976-04-20 Clocker Edwin T Conversion of clay to its colloidal form by hydrodynamic attrition
US3999068A (en) 1975-06-16 1976-12-21 Union Carbide Corporation Apparatus for measuring the radioactivity of the contents of tube like receptacles
GB2114107A (en) * 1982-01-27 1983-08-17 Tolsa Sa Sepiolite concrete additive
ES8505893A1 (es) * 1984-08-02 1985-06-01 Tolsa Sa Procedimiento de fabricacion de un producto de sepiolita de grado reologico
ES8505894A1 (es) * 1984-08-21 1985-06-16 Tolsa Sa Procedimiento de fabricacion con alta concentracion en solidos de un producto de sepiolita-paligorskita de grado reologico
ES8506358A1 (es) * 1984-08-03 1985-07-01 Tolsa Sa Procedimiento de fabricacion y purificacion de un producto de sepiolita de grado reologico
EP0170299A2 (fr) 1984-08-02 1986-02-05 Tolsa S.A., Industrial Produit de sépiolite ayant un degré rhéologique déterminé et procédé de sa fabrication
CN103979558A (zh) * 2014-06-01 2014-08-13 许盛英 钠化后的海泡石粘土

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509056A (en) 1963-05-28 1970-04-28 Princeton Chemical Res Inc Viscosity index improvers
US3951850A (en) 1973-06-22 1976-04-20 Clocker Edwin T Conversion of clay to its colloidal form by hydrodynamic attrition
US3999068A (en) 1975-06-16 1976-12-21 Union Carbide Corporation Apparatus for measuring the radioactivity of the contents of tube like receptacles
GB2114107A (en) * 1982-01-27 1983-08-17 Tolsa Sa Sepiolite concrete additive
ES8505893A1 (es) * 1984-08-02 1985-06-01 Tolsa Sa Procedimiento de fabricacion de un producto de sepiolita de grado reologico
EP0170299A2 (fr) 1984-08-02 1986-02-05 Tolsa S.A., Industrial Produit de sépiolite ayant un degré rhéologique déterminé et procédé de sa fabrication
ES8506358A1 (es) * 1984-08-03 1985-07-01 Tolsa Sa Procedimiento de fabricacion y purificacion de un producto de sepiolita de grado reologico
ES8505894A1 (es) * 1984-08-21 1985-06-16 Tolsa Sa Procedimiento de fabricacion con alta concentracion en solidos de un producto de sepiolita-paligorskita de grado reologico
CN103979558A (zh) * 2014-06-01 2014-08-13 许盛英 钠化后的海泡石粘土

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