RU96122864A - SYNTHETIC MAXNEAL PRODUCT AND METHOD - Google Patents

SYNTHETIC MAXNEAL PRODUCT AND METHOD

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Publication number
RU96122864A
RU96122864A RU96122864/25A RU96122864A RU96122864A RU 96122864 A RU96122864 A RU 96122864A RU 96122864/25 A RU96122864/25 A RU 96122864/25A RU 96122864 A RU96122864 A RU 96122864A RU 96122864 A RU96122864 A RU 96122864A
Authority
RU
Russia
Prior art keywords
oxide
meixnerite
alumina
synthetic
magnesium oxide
Prior art date
Application number
RU96122864/25A
Other languages
Russian (ru)
Other versions
RU2155710C2 (en
Inventor
С.Мартин Эдвард
Пирсон Алан
Original Assignee
Алюминум Компани оф Америка
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
Priority claimed from US08/235,504 external-priority patent/US5514361A/en
Application filed by Алюминум Компани оф Америка filed Critical Алюминум Компани оф Америка
Publication of RU96122864A publication Critical patent/RU96122864A/en
Application granted granted Critical
Publication of RU2155710C2 publication Critical patent/RU2155710C2/en

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Claims (16)

1. Синтетический мейкснеритный продукт, изготовленный путем смешивания оксида магния и поверхностного оксида алюминия в, по существу, не содержащей карбоната водной суспензии, при этом упомянутый продукт имеет характеристику дифракции рентгеновских лучей, подобную характеристике, показанной на фиг.1.1. A synthetic meixnerite product made by mixing magnesium oxide and surface aluminum oxide in a substantially carbonate-free aqueous suspension, said product having an X-ray diffraction characteristic similar to that shown in FIG. 2. Мейкснеритный продукт по п.1, в котором переходный оксид алюминия, содержащий, по существу, регидратируемый порошок оксида алюминия. 2. Meixnerite product according to claim 1, in which the transition alumina containing essentially rehydratable alumina powder. 3. Улучшенный синтетический мейкснерит, имеющий уровень карбонатного загрязнения около 1,0% по весу или менее, когда оно выражено как неорганический углерод. 3. Improved synthetic meixnerite, having a carbonate pollution level of about 1.0% by weight or less when expressed as inorganic carbon. 4. Синтетический мейкснерит по п.3, который имеет уровень загрязнения неорганическим углеродом около 0,1 - 0,1% по весу. 4. Synthetic meixnerite according to claim 3, which has a level of contamination with inorganic carbon of about 0.1 - 0.1% by weight. 5. Синтетический мейкснерит по п.3, который имеет характеристику дифракции рентгеновских лучей, сходную с характеристикой, показанной на фиг.1. 5. Synthetic meixnerite according to claim 3, which has an X-ray diffraction characteristic similar to the characteristic shown in FIG. 6. Синтетический мейкснерит по п.3, который изготовлен путем смешивания оксида магния и переходного оксида алюминия в, по существу, не содержащей карбоната водной суспензии. 6. Synthetic meixnerite according to claim 3, which is made by mixing magnesium oxide and transition aluminum oxide in a substantially carbonate-free aqueous suspension. 7. Синтетический мейкснерит по п.6, в котором переходный оксид алюминия содержит, по существу, активированный оксид алюминия, имеющий ВЕТ площадь поверхности около 100м2/г или более.7. Synthetic meixnerite according to claim 6, in which the transition alumina contains essentially activated alumina having a BET surface area of about 100 m 2 / g or more. 8. Способ изготовления слоистого двойного гидрата соединения, включающий:
а) реагирование по крайней мере одного оксида двухвалентного металла и порошка оксида трехвалентного металла в, по существу, не содержащем карбоната растворе для образования слоистого двойного гидрата соединения:
б) отделение слоистого двойного гидрата соединения от раствора.8. A method of manufacturing a layered double hydrate compounds, including:
a) reacting at least one oxide of a bivalent metal and a powder of a trivalent metal oxide in a substantially carbonate-free solution to form a layered double hydrate of the compound:
b) separating the layered double hydrate of the compound from the solution. 9. Способ по п. 8, в котором оксид двухвалентного металла выбирают из группы, включающей: оксид магния, оксид кальция и их смеси. 9. The method according to p. 8, in which the oxide of the divalent metal is chosen from the group including: magnesium oxide, calcium oxide and mixtures thereof. 10. Способ по п.9, в котором оксид двухвалентного металла содержит, по существу, порошок оксида магния. 10. The method according to claim 9, in which the oxide of the divalent metal contains, essentially, a powder of magnesium oxide. 11. Способ по п.8, в котором порошок оксида трехвалентного металла содержит, по существу, переходный оксид алюминия. 11. The method according to claim 8, in which the powder of trivalent metal oxide contains essentially transitional alumina. 12. Способ по п.11, в котором переходный оксид алюминия содержит, по существу, регидратируемый оксид алюминия. 12. The method according to claim 11, wherein the transition alumina contains substantially rehydratable alumina. 13. Способ изготовления синтетического мейкснерита, включающий:
а) реагирование измельченного в порошок оксида магния с переходным оксидом алюминия с высокоразвитой площадью поверхности в, по существу, не содержащем карбоната растворе для образования подобного мейкснериту соединения;
б) отделение упомянутого подобного мейкснериту соединения от раствора.13. A method of manufacturing synthetic meixnerite, including:
a) reacting powdered magnesium oxide with transition alumina with a highly developed surface area in a substantially carbonate-free solution to form a meixnerite-like compound;
b) separating said meixnerite-like compound from the solution. 14. Способ по п. 13, в котором переходный оксид алюминия содержит, по существу, порошок активированного оксида алюминия, имеющего ВЕТ площадь поверхности около 100 м2/г и более.14. The method according to p. 13, in which the transition alumina contains, in essence, an activated alumina powder having a BET surface area of about 100 m 2 / g or more. 15. Способ по п.13, в котором этап а) включает:
(i) смешивание оксида магния и переходного оксида алюминия в аггломерат;
(ii) подвергание упомянутого аггломерата воздействию воды, нагретой до одной или более температур между около 80 - 180oC (176 - 356oF).15. The method according to item 13, in which step a) includes:
(i) mixing magnesium oxide and transition alumina into an agglomerate;
(ii) subjecting said agglomerate to water heated to one or more temperatures between about 80 - 180 o C (176 - 356 o F). 16. Способ по п.15, в котором оксид магния и переходный оксид алюминия, смешанный на этапе (i), нагревают до одной или более температур между около 50 - 70oC (122 - 158oF).16. The method according to claim 15, wherein the magnesium oxide and the transition alumina mixed in step (i) are heated to one or more temperatures between about 50 ° - 70 ° C (122 - 158 ° F).
RU96122864/12A 1994-04-29 1995-01-06 Synthetic meyksnerite product (versions) and method of preparation thereof RU2155710C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/235,504 US5514361A (en) 1994-04-29 1994-04-29 Method for making a synthetic meixnerite product
US235,504 1994-04-29

Publications (2)

Publication Number Publication Date
RU96122864A true RU96122864A (en) 1999-01-20
RU2155710C2 RU2155710C2 (en) 2000-09-10

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Country Status (14)

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US (1) US5514361A (en)
EP (1) EP0759888B1 (en)
JP (1) JPH09512519A (en)
AT (1) ATE190589T1 (en)
AU (1) AU708168B2 (en)
BR (1) BR9507557A (en)
CA (1) CA2189020A1 (en)
CZ (1) CZ316296A3 (en)
DE (1) DE69515658T2 (en)
ES (1) ES2143615T3 (en)
HU (1) HUT75979A (en)
RU (1) RU2155710C2 (en)
SK (1) SK139596A3 (en)
WO (1) WO1995029874A1 (en)

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DE19743606A1 (en) * 1997-10-02 1999-04-15 Hydro Agri Deutschland Gmbh Use of anion-exchanging minerals
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WO1999041198A1 (en) * 1998-02-11 1999-08-19 Akzo Nobel N.V. Process for producing anionic clay using two types of alumina compounds
JP4445124B2 (en) * 1998-02-11 2010-04-07 アクゾ ノーベル ナムローゼ フェンノートシャップ Method for producing anionic clay-containing composition
CA2495321A1 (en) * 2002-08-13 2004-02-19 Intercat, Inc. Flue gas treatments to reduce nox and co emissions
EP1732679B1 (en) * 2003-12-05 2012-03-07 Intercat, Inc. Method for reducing SOx, NOx, and CO emissions from a fluid stream
US7431825B2 (en) * 2003-12-05 2008-10-07 Intercat, Inc. Gasoline sulfur reduction using hydrotalcite like compounds
TWI342335B (en) * 2004-06-02 2011-05-21 Intercat Inc Mixed metal oxide additives
EP2064152A1 (en) * 2006-09-21 2009-06-03 Akzo Nobel N.V. Process for preparing layered double hydroxide comprising carbonate
MX2007003775A (en) * 2007-03-29 2008-10-28 Mexicano Inst Petrol Process for preparing multimetallic anionic clays and products thereof.
WO2008129034A1 (en) * 2007-04-20 2008-10-30 Euro Support Catalyst Group Bv Hydrotalcite-like layered double hydroxide (ldh) composition and process of making same
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CA2945590C (en) 2014-04-13 2019-06-11 Alcoa Inc. Systems and methods for regeneration of aqueous alkaline solution

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