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1. (WO2018145142) COMBINED PROCESSING METHOD INCORPORATING ELECTROLYSIS FOR LITHIUM CONTAINING SOLUTIONS
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/145142 International Application No.: PCT/AU2017/050100
Publication Date: 16.08.2018 International Filing Date: 08.02.2017
IPC:
C01D 15/04 (2006.01) ,C22B 26/12 (2006.01) ,C22B 3/20 (2006.01)
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
D
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
15
Lithium compounds
04
Halides
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
B
PRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
26
Obtaining alkali, alkaline earth metals or magnesium
10
Obtaining alkali metals
12
Obtaining lithium
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
B
PRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
3
Extraction of metal compounds from ores or concentrates by wet processes
20
Treatment or purification of solutions, e.g. obtained by leaching
Applicants:
INNEOVATION PTY LTD [AU/AU]; Level 3, 1292 Hay Street West Perth, Western Australia 6005, AU
Inventors:
REED, Christopher John; AU
Agent:
WRAYS; 56 Ord Street West Perth, Western Australia 6005, AU
Priority Data:
Title (EN) COMBINED PROCESSING METHOD INCORPORATING ELECTROLYSIS FOR LITHIUM CONTAINING SOLUTIONS
(FR) PROCÉDÉ DE TRAITEMENT COMBINÉ INCORPORANT UNE ÉLECTROLYSE POUR SOLUTIONS CONTENANT DU LITHIUM
Abstract:
(EN) A combined processing method for the purification of lithium containing solutions, the method comprising the method steps of: a) passing a lithium containing solution to one or more purification steps to produce a substantially purified lithium chloride solution; and b) passing the substantially purified lithium chloride solution of step a) to an electrolysis step in which lithium hydroxide monohydrate is produced, wherein the one or more purification steps comprises either or both of a first purification step in which the lithium containing solution is contacted with a titanate adsorbent whereby lithium ions are adsorbed thereon whilst rejecting substantially all other cations, the recovery of lithium from the adsorbent providing a part-purified lithium containing solution, and a second purification step in which a graphene based filter medium is utilised to provide a further purified lithium containing solution.
(FR) L'invention concerne un procédé de traitement combiné pour la purification de solutions contenant du lithium, le procédé comprenant les étapes de procédé qui consistent : a) à faire passer une solution contenant du lithium à travers une ou plusieurs étapes de purification pour produire une solution de chlorure de lithium sensiblement purifiée ; et b) à faire passer la solution de chlorure de lithium sensiblement purifiée de l'étape a) dans une étape d'électrolyse dans laquelle un monohydrate d'hydroxyde de lithium est produit, la ou les étapes de purification comprenant une première étape de purification dans laquelle la solution contenant du lithium est mise en contact avec un adsorbant de titanate, des ions de lithium étant adsorbés sur celui-ci tout en rejetant sensiblement tous les autres cations, la récupération de lithium à partir de l'adsorbant fournissant une solution contenant du lithium partiellement purifiée, et/ou une seconde étape de purification dans laquelle un milieu filtrant à base de graphène est utilisé pour fournir une solution contenant du lithium davantage purifiée.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)