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Dry preparation of kaolin in production of high purity alumina
The invention relates to a method for preparing raw kaolin (R) in a milling and separating device (1) which has a milling section (13) and a first separating section (16). The raw kaolin (R) is a material mixture of at least kaolin as a first fraction (F1) and a second fraction (F2) which comprises at least quartz. The raw kaolin (R) is supplied to the milling section (13), in which the first fraction (F1) is at least partly removed from the raw kaolin (R) by means of a grinding process, and the first fraction (F1) is then separated from the second fraction (F2) in the first separating section(16).
一种用于在研磨和分离装置(1)中制备粗高岭土(R)的方法，所述研磨和分离装置具有研磨区段(13)和第一分离区段(16)，其中所述粗高岭土(R)是由至少以高岭土作为第一馏份(Fl)和至少包含石英的第二馏份(F2)形成的混合物，将所述粗高岭土(R)输送到所述研磨区段(13)中，其中所述第一馏份(Fl)通过磨碎至少部分地从所述粗高岭土(R)中析出，并且随后在所述第一分离区段(16)中将所述第一馏份(Fl)与所述第二馏份(F2)分离。
Dry preparation of kaolin in production of high purity alumina
The invention relates to a method for preparing raw kaolin (R) in a milling and separating device (1) which has a milling section (13) and a first separating section (16). The raw kaolin (R) is a material mixture of at least kaolin as a first fraction (F1) and a second fraction (F2) which comprises at least quartz. The raw kaolin (R) is supplied to the milling section (13), in which the first fraction (F1) is at least partly removed from the raw kaolin (R) by means of a grinding process, and the first fraction (F1) is then separated from the second fraction (F2) in the first separating section(16).
一种用于在研磨和分离装置(1)中制备粗高岭土(R)的方法，所述研磨和分离装置具有研磨区段(13)和第一分离区段(16)，其中所述粗高岭土(R)是由至少以高岭土作为第一馏份(Fl)和至少包含石英的第二馏份(F2)形成的混合物，将所述粗高岭土(R)输送到所述研磨区段(13)中，其中所述第一馏份(Fl)通过磨碎至少部分地从所述粗高岭土(R)中析出，并且随后在所述第一分离区段(16)中将所述第一馏份(Fl)与所述第二馏份(F2)分离。
Dry preparation of kaolin in production of high purity alumina
在制造高纯度氧化铝时高岭土的干式制备
MUSTAFI EMIR (author) / GIER-ZUCKETTO JOACHIM (author) / SCHRIEWER THORSTEN (author) / STASTNY RAFFAEL (author)
2021-01-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B02C
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
,
Brechen, Pulverisieren oder Zerkleinern allgemein
/
C09C
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
,
Behandlung von anorganischen Stoffen, außer von faserigen Füllstoffen, zum Erhöhen ihrer pigmentierenden oder füllenden Eigenschaften
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