GR1008134B - Process of producing zeolites from rice husk ash (rha) - Google Patents

Process of producing zeolites from rice husk ash (rha)

Info

Publication number
GR1008134B
GR1008134B GR20120100663A GR20120100663A GR1008134B GR 1008134 B GR1008134 B GR 1008134B GR 20120100663 A GR20120100663 A GR 20120100663A GR 20120100663 A GR20120100663 A GR 20120100663A GR 1008134 B GR1008134 B GR 1008134B
Authority
GR
Greece
Prior art keywords
solution
tfp
christovalite
ash
produce
Prior art date
Application number
GR20120100663A
Other languages
Greek (el)
Inventor
Βλαδιμηρος Βασιλειου Νικολακης
Λαμπρος Γεωργιου Λιτος
Original Assignee
Ευ.Γε.Πιστιολας Α.Β.Ε.Ε.,
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 Ευ.Γε.Πιστιολας Α.Β.Ε.Ε., filed Critical Ευ.Γε.Πιστιολας Α.Β.Ε.Ε.,
Priority to GR20120100663A priority Critical patent/GR1008134B/en
Publication of GR1008134B publication Critical patent/GR1008134B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/20—Faujasite type, e.g. type X or Y
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/20—Faujasite type, e.g. type X or Y
    • C01B39/205—Faujasite type, e.g. type X or Y using at least one organic template directing agent; Hexagonal faujasite; Intergrowth products of cubic and hexagonal faujasite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/36—Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
    • C01B39/38—Type ZSM-5
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/36—Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
    • C01B39/38—Type ZSM-5
    • C01B39/40—Type ZSM-5 using at least one organic template directing agent
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/46—Other types characterised by their X-ray diffraction pattern and their defined composition
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/46—Other types characterised by their X-ray diffraction pattern and their defined composition
    • C01B39/48—Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

Σε αυτή την εφεύρεση περιγράφεται η διαδικασία, μέσα από χημικές διεργασίες, για την σύνθεση ζεόλιθων (LTA, ΒΕΑ, MFI, FAU) χρησιμοποιώντας σαν πηγή πυριτίου το διοξείδιο του πυριτίου, που περιέχεται στην Τέφρα Φλοιού Ρυζιού (ΤΦΡ). Η διεργασία που περιγράφεται μπορεί να χρησιμοποιηθεί για τέφρα η οποία έχει παραχθεί έπειτα από την καύση του Φλοιού Ρυζιού (ΦΡ) για παραγωγή ενέργειας σε κλίβανο με αποτέλεσμα να έχει το διοξείδιο του πυριτίου σε κρυσταλλική μορφή, του Χριστοβαλίτη ή του Τριδυμίτη. Ένα σημαντικό στάδιο της διαδικασίας είναι η επεξεργασία της ΤΦΡ σε υδατικό διάλυμα καυστικού νάτριου σε θερμοκρασία από 80 έως 120 βαθμούς Κελσίου ώστε να διαλυθεί η κρυσταλλική δομή του Χριστοβαλίτη και να παραχθεί διάλυμα άμορφων πυριτικών ειδών. Το διάλυμα αυτό αναμιγνύεται με υδατικό διάλυμα αργιλίου, κατάλληλης σύστασης. Η κρυστάλλωση του ζεόλιθου επιτυγχάνεται με θέρμανση σε θερμοκρασία από 85 ως 175 βαθμούς Κελσίου υπό ανάδευση. Επίσης αναφέρεται η διαδικασία που πρέπει να ακολουθηθεί για την επιτυχή ανακύκλωση του μητρικού υγρού. Τέλος ζεόλιθος LTA που παρήχθηκε από ΤΦΡ ακολουθώντας τα Στάδια που αναφέρονται είχε Ικανότητα Απομάκρυνσης κατιόντων Ca2+ από το πόσιμο νερό μεταξύ 56 και 89.7 τοις εκατό.This invention describes the process, by chemical processes, for the synthesis of zeolites (LTA, BEA, MFI, FAU) using silicon as the source of silica contained in Rice Shell Ash (TFP). The process described can be used for ash that has been produced after the burning of the Rice Peel (FF) to produce an energy in the furnace resulting in the crystalline silica, Christovalite or Tridymite having. An important step in the process is to treat TFP in aqueous sodium hydrogen solution at 80 to 120 degrees Celsius to dissolve the crystalline structure of Christovalite and to produce a solution of amorphous silicon species. This solution is mixed with aqueous aluminum solution of appropriate composition. Crystallization of the zeolite is achieved by heating to a temperature of 85 to 175 degrees C with stirring. The procedure to successfully recycle the mother liquor is also mentioned. Finally, LTA zeolite produced by TFP following the steps reported had the ability to remove Ca2 + cations from drinking water between 56 and 89.7 percent.

GR20120100663A 2012-12-31 2012-12-31 Process of producing zeolites from rice husk ash (rha) GR1008134B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR20120100663A GR1008134B (en) 2012-12-31 2012-12-31 Process of producing zeolites from rice husk ash (rha)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR20120100663A GR1008134B (en) 2012-12-31 2012-12-31 Process of producing zeolites from rice husk ash (rha)

Publications (1)

Publication Number Publication Date
GR1008134B true GR1008134B (en) 2014-03-07

Family

ID=48536933

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20120100663A GR1008134B (en) 2012-12-31 2012-12-31 Process of producing zeolites from rice husk ash (rha)

Country Status (1)

Country Link
GR (1) GR1008134B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070059238A1 (en) * 2004-01-16 2007-03-15 Thakur Ram M Process for enhancing yield of sodium aluminosilicate molecular sieves during synthesis

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070059238A1 (en) * 2004-01-16 2007-03-15 Thakur Ram M Process for enhancing yield of sodium aluminosilicate molecular sieves during synthesis

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
AZIZI S N ET AL: "Synthesis of zeolites NaA and analcime using rice husk ash as silica source without using organic template", JOURNAL OF MATERIALS SCIENCE OCTOBER 2010 SPRINGER NETHERLANDS NLD, vol. 45, no. 20, October 2010 (2010-10-01), pages 5692 - 5697, XP002714689, DOI: 10.1007/S10853-010-4637-7 *
DIDIK PRASETYOKO ET AL.: "Synthesis of zeolite beta directly from rice husk ash: Effect of reaction composition on crystallinity of zeolite beta", INDO. J. CHEM, vol. 6, no. 1, 2006, pages 11 - 15, XP002714721 *
E. L. FOLETTO ET AL.: "Convenrsion of rice husk ash into zeolitic materials", LATIN AMERICAN APPLIED RESEARCH, vol. 39, 2009, pages 75 - 78, XP002714720 *
GHASEMI Z ET AL: "Preparation of Free-Template Nanometer-Sized Na-A and -X Zeolites From Rice Husk Ash", WASTE AND BIOMASS VALORIZATION SPRINGER NETHERLANDS NETHERLANDS, vol. 3, no. 1, March 2012 (2012-03-01), pages 61 - 74, XP002714691, ISSN: 1877-2641 *
HADI NUR: "Direct synthesis of NaA zeolite from rice husk and carbonaceous rice husk ash", INDONESIAN JOURNAL OF AGRICULTURAL SCIENCES, vol. 1, 2001, pages 40 - 45, XP002714690 *
KALAPATHY U ET AL: "A simple method for production of pure silica from rice hull ash", BIORESOURCE TECHNOLOGY, ELSEVIER BV, GB, vol. 73, no. 3, 1 July 2000 (2000-07-01), pages 257 - 262, XP002665387, ISSN: 0960-8524, [retrieved on 20000309], DOI: 10.1016/S0960-8524(99)00127-3 *
KORDATOS K ET AL: "Synthesis of highly siliceous ZSM-5 zeolite using silica from rice husk ash", MICROPOROUS AND MESOPOROUS MATERIALS, ELSEVIER SCIENCE PUBLISHING, NEW YORK, US, vol. 115, no. 1-2, 1 October 2008 (2008-10-01), pages 189 - 196, XP023521078, ISSN: 1387-1811, [retrieved on 20080219], DOI: 10.1016/J.MICROMESO.2007.12.032 *
PRASETYOKO D ET AL: "Conversion of rice husk ash to zeolite beta", WASTE MANAGEMENT, ELSEVIER, NEW YORK, NY, US, vol. 26, no. 10, 1 January 2006 (2006-01-01), pages 1173 - 1179, XP024961282, ISSN: 0956-053X, [retrieved on 20060101], DOI: 10.1016/J.WASMAN.2005.09.009 *
WANG H P ET AL: "Synthesis of zeolite ZSM-48 from rice husk ash", JOURNAL OF HAZARDOUS MATERIALS FEBRUARY 1998 ELSEVIER SCI B.V. NL, vol. 58, no. 1-3, February 1998 (1998-02-01), pages 147 - 152, XP002714692, DOI: 10.1016/S0304-3894(97)00127-1 *

Similar Documents

Publication Publication Date Title
WO2011049333A3 (en) Method of preparing zsm-5 zeolite using nanocrystalline zsm-5 seeds
AR074712A1 (en) PROCESSES TO FORM DIRECT AND SELECTIVELY ETHANOL FROM ACETIC ACID
NO20100062L (en) Surfactant calcium carbonate in combination with hydrophobic adsorbent for water treatment
DK2453739T3 (en) PROCEDURE FOR PREPARING A WATER SUSPENSION OF AN ORGANIC PESTICID COMPOUND
MY186254A (en) Method for producing aei zeolite
JP2018162206A5 (en)
RU2017145573A (en) ZOL-GEL-METHOD OF MANUFACTURE OF AEROGELES OF SILICON DIOXIDE
NZ751256A (en) Method for producing the crystalline form of modification a of calcobutrol
PT2537841E (en) Continuous production of furfural and levulininc acid
WO2010100203A3 (en) Process for the preparation of an isomorphously substituted silicate
MX2015014754A (en) Process for preparing 1,2-benzisothiazolin-3-ones.
GR1008134B (en) Process of producing zeolites from rice husk ash (rha)
MY173758A (en) Method for producing ddr-type zeolite crystals and method for producing ddr-type zeolite membrane
BR112015023343A2 (en) method of preparing sovaprevir, method of preparing a compound of formula (c), method of preparing compound f-2, compound, process, method of preparing a pure amorphous form of sovaprevir, and crystalline form of sovaprevir
BR112013032901A2 (en) process for manufacturing hydroxyethyl starch derivatives
CY1122847T1 (en) COMPACT REAGENT FOR ENZYMATIC TREATMENT
WO2011066127A3 (en) Preparation of x zeolite
JO3693B1 (en) A process for production of pure phase zeolite ZSM-5 from raw kaolinite
MX345678B (en) Process for preparing 1,2-benzisothiazolin-3-one.
TH131322B (en) Process for preparing titanium-MWW zeolite
ES2530850T3 (en) Wort manufacturing process with reduced consumption of thermal energy and process water
AR110384A1 (en) PROCESS FOR THE MANUFACTURE OF DIAZEPIN DERIVATIVES
RU2014151070A (en) A method of obtaining a photocatalyst based on alkaline earth metal bismuthate and a method for purifying water from organic pollutants by a photocatalyst
RU2013106188A (en) METHOD FOR SYNTHESIS OF 1,6-HEXAMETHYLENE DIAMIN-N, N'-DIHANIC ACID
WO2015151190A1 (en) Method for producing irsogladine maleate

Legal Events

Date Code Title Description
PG Patent granted

Effective date: 20140416