MENETELMÄ JA LAITTEISTO KIINTOAINEEN EROTTAMISEKSI LIETTEESTÄ SEKÄ MENETELMÄN JA/TAI LAITTEISTON KÄYTTÖ

The invention relates to a method and apparatus for mixing one or several solutions in a reactor (3) in conjunction with a hydrometallurgical process, such as precipitation, crystallisation or forming a suspension in solvent extraction. Mixing with a vertical circulation flow is created in the react...

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Bibliographische Detailangaben
Hauptverfasser:	VAARNO, JUSSI, NYMAN, BROR, LILJA, LAUNO LEO, PEKKALA, PERTTI, LYYRA, JUHANI
Format:	Patent
Sprache:	fin ; swe
Schlagworte:	CHEMISTRY METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The invention relates to a method and apparatus for mixing one or several solutions in a reactor (3) in conjunction with a hydrometallurgical process, such as precipitation, crystallisation or forming a suspension in solvent extraction. Mixing with a vertical circulation flow is created in the reactor by means of a multi-part mixer (1), so that the primary mixing zone in which the mixer rotates is over 70 % of the effective volume of the reactor, whereby the homogenous, low-intensity mixing needed for precipitation, crystallisation and/or the mixing stage of solvent extraction is achieved.