RU2018144008A - Высокопрочные формованные оксиды алюминия и способ получения таких высокопрочных формованных оксидов алюминия - Google Patents

Высокопрочные формованные оксиды алюминия и способ получения таких высокопрочных формованных оксидов алюминия Download PDF

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RU2018144008A
RU2018144008A RU2018144008A RU2018144008A RU2018144008A RU 2018144008 A RU2018144008 A RU 2018144008A RU 2018144008 A RU2018144008 A RU 2018144008A RU 2018144008 A RU2018144008 A RU 2018144008A RU 2018144008 A RU2018144008 A RU 2018144008A
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alumina powder
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ppm
alumina
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Дэвид А. БАРКЛЕЙ
Марк М. ЧАВЕС
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СЭСОЛ (ЮЭсЭй) КОРПОРЕЙШН
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Claims (25)

1. Способ получения формованного оксида алюминия, включающий
i) подачу порошка оксида алюминия в агломератор, причем агломератор содержит вал со смесителями, способными вытеснять порошок оксида алюминия вдоль длины вала, и при этом порошок оксида алюминия включает в первом варианте порошок оксида алюминия, имеющий размер кристаллитов от 35 Å до 190 Å и величину D50 размера частицы не менее 40 мкм, во втором варианте порошок оксида алюминия, имеющий размер кристаллитов от 300 Å до 500 Å, или в третьем варианте комбинацию порошка оксида алюминия, имеющего размер кристаллитов от 35 Å до 190 Å и величину D50 размера частицы не менее 40 мкм, и порошка оксида алюминия, имеющего размер кристаллитов от 300 Å до 500 Å,
ii) распыление жидкого связующего на порошок оксида алюминия при его вытеснении вдоль длины вала агломератора с образованием формованного оксида алюминия,
iii) прокаливание формованного оксида алюминия.
2. Способ по п.1, в котором порошок оксида алюминия содержит оксигидроксид алюминия (AlOOH), бемит или псевдобемит.
3. Способ по п.1, в котором, когда первый или третий вариант (варианты) выбраны, способ включает в себя начальную стадию измельчения порошка оксида алюминия, имеющего размер кристаллитов 35-190 Å и величину D50 размера частицы не менее 40 мкм, для получения порошка оксида алюминия, имеющего величину D50 среднего размера частицы менее 40 мкм перед подачей такого порошка оксида алюминия в агломератор.
4. Способ по п.3, в котором порошок оксида алюминия, имеющий размер кристаллитов 35-190 Å и величину D50 размера частицы не менее 40 мкм, измельчают до величины D50 среднего размера частицы 30 мкм.
5. Способ по п.3, в котором порошок оксида алюминия, имеющий размер кристаллитов 35-190 Å и величину D50 размера частицы не менее 40 мкм, измельчают до величины D50 среднего размера частицы 10 мкм или менее.
6. Способ по любому из пп.1-5, где способ включает начальную стадию измельчения порошка оксида алюминия, имеющего размер кристаллитов 35-190 Å и величину D50 размера частицы не менее 40 мкм, до величины D50 среднего размера частицы менее 40 мкм, для образования измельченного порошка оксида алюминия, и объединение измельченного порошка оксида алюминия с порошком оксида алюминия, имеющим размер кристаллитов 300-500 Å, который не требует измельчения.
7. Способ по любому из пп.1-6, в котором порошок оксида алюминия содержит кислоту, включенную в порошок оксида алюминия в ходе процесса получения оксида алюминия.
8. Способ по п.7, в котором жидкое связующее включает воду.
9. Способ по любому из пп.1-7, в котором жидкое связующее содержит воду и кислоту.
10. Способ по любому из пп.1-9, в котором отношение порошка оксида алюминия к жидкому связующему составляет от 1,5:1 до 15:1 в расчете на массу.
11. Способ по п.10, в котором отношение порошка оксида алюминия к жидкому связующему составляет от 1,8:1 до 10:1.
12. Способ по любому из пп.1-11, в котором температура прокаливания составляет от 1250°C до 1700°C, и прокаливание осуществляют в течение периода времени от 1 ч до 40 ч.
13. Формованный оксид алюминия, полученный способом в соответствии с пп.1-12 и имеющий по меньшей мере одно из следующих свойств:
i) свободную насыпную плотность не менее 1,20 г/мл, предпочтительно более 1,65 г/мл;
ii) площадь поверхности менее 10 м2/г, предпочтительно менее 5 м2/г;
iii) содержание примесей менее 5 ч/млн, предпочтительно менее 3 ч/млн, и наиболее предпочтительно менее 2,5 ч/млн любого отдельного металла, и менее 9 ч/млн, предпочтительно менее 7 ч/млн в сумме; и
iv) прочность на раздавливание более 12000 фунт/кв. дюйм (82,7 МПа).
14. Формованный оксид алюминия, имеющий по меньшей мере одно из следующих свойств:
i) свободную насыпную плотность не менее 1,20 г/мл, предпочтительно более 1,650 г/мл;
ii) площадь поверхности менее 10 м2/г, предпочтительно менее 5 м2/г;
iii) содержание примесей менее 5 ч/млн, предпочтительно менее 3 ч/млн, и наиболее предпочтительно менее 2,5 ч/млн любого отдельного металла, и менее 9 ч/млн, предпочтительно менее 7 ч/млн в сумме; и
iv) прочность на раздавливание более 12000 фунт/кв. дюйм (82,7 МПа).
RU2018144008A 2016-05-23 2017-05-22 Высокопрочные формованные оксиды алюминия и способ получения таких высокопрочных формованных оксидов алюминия RU2759835C2 (ru)

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Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU521930B2 (en) * 1978-06-12 1982-05-06 Norton Co. Proppants
US4198318A (en) * 1978-11-24 1980-04-15 Conoco, Inc. Production of high strength alumina spheres by hydrogelling corresponding slurries
US4411771A (en) 1980-12-24 1983-10-25 American Cyanamid Company Process for hydrotreating heavy hydrocarbons and catalyst used in said process
SU1460899A1 (ru) * 1987-07-10 2001-01-27 Институт катализа СО АН СССР Способ получения сферического оксида алюминия
DE19602525A1 (de) * 1996-01-25 1997-08-07 Starck H C Gmbh Co Kg Sphärische Keramikformkörper, Verfahren zu ihrer Herstellung sowie deren Verwendung
CN1064333C (zh) 1998-01-23 2001-04-11 任建军 一种高强度耐火球
US7341976B2 (en) 2002-10-16 2008-03-11 Conocophillips Company Stabilized boehmite-derived catalyst supports, catalysts, methods of making and using
US20050245394A1 (en) 2004-03-12 2005-11-03 Dahar Stephen L Spray dried alumina for catalyst carrier
US20070280877A1 (en) * 2006-05-19 2007-12-06 Sawyer Technical Materials Llc Alpha alumina supports for ethylene oxide catalysts and method of preparing thereof
US8562900B2 (en) * 2006-09-01 2013-10-22 Imerys Method of manufacturing and using rod-shaped proppants and anti-flowback additives
JP5217322B2 (ja) 2006-09-19 2013-06-19 住友化学株式会社 αアルミナ粉末
US20110054196A1 (en) * 2008-03-26 2011-03-03 Nippon Shokubai Co., Ltd. Catalyst for production of ethylene oxide, and method for production of ethylene oxide using the catalyst
JP2010001198A (ja) 2008-06-23 2010-01-07 Sumitomo Chemical Co Ltd 球状αアルミナの製造方法
US8834833B2 (en) * 2008-12-17 2014-09-16 Evonik Degussa Gmbh Process for preparing an aluminium oxide powder having a high alpha-Al2O3 content
EP2424826A2 (en) * 2009-04-29 2012-03-07 Dow Technology Investments LLC Porous body precursors, shaped porous bodies, processes for making them, and end-use products based upon the same
FR2984303B1 (fr) 2011-12-14 2014-05-09 IFP Energies Nouvelles Materiau a base d'alumine, a structure multiechelle, comprenant un liant phosphate d'aluminium ayant une bonne resistance mecanique et son procede de preparation
FR2984180A1 (fr) * 2011-12-20 2013-06-21 IFP Energies Nouvelles Procede de fabrication de particules spheroidales d'alumine
US20140005449A1 (en) * 2012-03-07 2014-01-02 Basf Corporation Selective Hydrogenation Catalyst and Methods of Making and Using Same
RU2016105232A (ru) * 2013-09-06 2017-10-11 Шеврон Филлипс Кемикал Компани Лп Катализатор селективного гидрирования и способы его получения и применения
RU2568486C2 (ru) * 2014-01-09 2015-11-20 Открытое акционерное общество "Боровичский комбинат огнеупоров" Многослойный проппант и способ его получения
KR102335165B1 (ko) * 2014-01-21 2021-12-02 사솔 퍼포먼스 케미컬스 게엠베하 알루미나 조성물 및 이를 생성하는 방법
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