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1.发明授权公开(公告)号：US08524191B2
公开(公告)日：2013-09-03
申请号：US13413278
申请日：2012-03-06
申请人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
发明人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
IPC分类号： C01F7/00
CPC分类号： C01F7/46 , C01P2006/80 , C04B35/10 , C04B35/62655 , C04B35/632 , C04B35/63444 , C04B2235/3201 , C04B2235/72 , C04B2235/721 , C04B2235/722 , C04B2235/94
摘要： A process for preparing aluminum oxide with a low calcium content, in which (1) crude alpha- and/or gamma-aluminum oxide with a total calcium content in the range from 50 to 2000 ppm, based on the crude alpha- and/or gamma-aluminum oxide, is mixed with an aqueous solution or suspension comprising the compounds selected from the group of inorganic acid, organic acid and complexing agent, (2) the mixture from step (1) is admixed with a flocculating aid, (3) in the mixture of step (2), the solids are separated from the liquid, (4) the solids separated are mixed with water in the presence or in the absence of a flocculating aid, (5) in the mixture of step (4), the solids are separated from the liquid, (6) optionally, steps (4) and (5) are repeated once or more than once, (7) optionally, the solids separated optionally after addition of further compounds, are dried.
摘要翻译： 一种制备具有低钙含量的氧化铝的方法，其中（1）基于粗α和/或α的总钙含量在50至2000ppm范围内的粗α和/或γ-氧化铝 将γ-氧化铝与包含选自无机酸，有机酸和络合剂的化合物的水溶液或悬浮液混合，（2）将来自步骤（1）的混合物与絮凝助剂混合，（3） 在步骤（2）的混合物中，固体与液体分离，（4）在存在或不存在絮凝助剂的情况下将分离的固体与水混合，（5）在步骤（4）的混合物中， ，固体与液体分离，（6）任选地，步骤（4）和（5）重复一次或多于一次，（7）任选地，任选地，在加入其它化合物之后分离的固体被干燥。
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2.发明申请公开(公告)号：US20130040799A1
公开(公告)日：2013-02-14
申请号：US13413259
申请日：2012-03-06
申请人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Michael Karcher , Axel Salden
发明人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Michael Karcher , Axel Salden
CPC分类号： C01F5/22 , C01F5/20 , C01F5/24 , C04B35/04 , C04B35/62675 , C04B2235/3206 , C04B2235/3217 , C04B2235/725 , C04B2235/94
摘要： A process for preparing magnesium compounds by precipitation, in which an aqueous solution or suspension of a magnesium compound is mixed with a precipitant and the corresponding magnesium compound is precipitated wherein the aqueous solution or suspension of a magnesium compound is obtained by reaction of an organomagnesium compound with an aldehyde or a ketone or another electrophile and subsequent aqueous workup of the reaction mixture at a pH of at most 10 or from a magnesium salt with a maximum calcium content and/or potassium content of 200 ppm, based on the magnesium salt used.
摘要翻译： 通过沉淀制备镁化合物的方法，其中将镁化合物的水溶液或悬浮液与沉淀剂混合，并且沉淀出相应的镁化合物，其中镁化合物的水溶液或悬浮液通过有机镁化合物 与醛或酮或另外的亲电子试剂反应，随后在pH最高为10的情况下反应混合物的水处理，或以所使用的镁盐为最高钙含量和/或钾含量为200ppm的镁盐。
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3.发明申请公开(公告)号：US20130040801A1
公开(公告)日：2013-02-14
申请号：US13413278
申请日：2012-03-06
申请人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
发明人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
CPC分类号： C01F7/46 , C01P2006/80 , C04B35/10 , C04B35/62655 , C04B35/632 , C04B35/63444 , C04B2235/3201 , C04B2235/72 , C04B2235/721 , C04B2235/722 , C04B2235/94
摘要： A process for preparing aluminum oxide with a low calcium content, in which(1) crude alpha- and/or gamma-aluminum oxide with a total calcium content in the range from 50 to 2000 ppm, based on the crude alpha- and/or gamma-aluminum oxide, is mixed with an aqueous solution or suspension comprising the compounds selected from the group of inorganic acid, organic acid and complexing agent, (2) the mixture from step (1) is admixed with a flocculating aid, (3) in the mixture of step (2), the solids are separated from the liquid, (4) the solids separated are mixed with water in the presence or in the absence of a flocculating aid, (5) in the mixture of step (4), the solids are separated from the liquid, (6) optionally, steps (4) and (5) are repeated once or more than once, (7) optionally, the solids separated optionally after addition of further compounds, are dried.
摘要翻译： 一种制备具有低钙含量的氧化铝的方法，其中（1）基于粗α和/或α的总钙含量在50至2000ppm范围内的粗α和/或γ-氧化铝 将γ-氧化铝与包含选自无机酸，有机酸和络合剂的化合物的水溶液或悬浮液混合，（2）将来自步骤（1）的混合物与絮凝助剂混合，（3） 在步骤（2）的混合物中，固体与液体分离，（4）在存在或不存在絮凝助剂的情况下将分离的固体与水混合，（5）在步骤（4）的混合物中， ，固体与液体分离，（6）任选地，步骤（4）和（5）重复一次或多于一次，（7）任选地，任选地，在加入其它化合物之后分离的固体被干燥。
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