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1. (WO2016176850) METHOD FOR EXTRACTING GERMANIUM BY THERMALLY REDUCING AND VOLATILIZING GERMANIUM ORE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2016/176850    International Application No.:    PCT/CN2015/078431
Publication Date: 10.11.2016 International Filing Date: 07.05.2015
IPC:
C22B 41/00 (2006.01)
Applicants: YUNNAN LINCANG XINYUAN GERMANIUM INDUSTRY CO., LTD. [CN/CN]; Pu Shikun No.168, Xiquewo Group, Mangpan Community, Linxiang Distrist Lincang, Yunnan 677000 (CN).
YUNNAN DONGCHANG METAL TECH CO.,LTD. [CN/CN]; Pu Shikun Guhai Village, Dongchuan Distrist Kunming, Yunnan 654100 (CN)
Inventors: PU, Shikun; (CN).
BAO, Wendong; (CN).
HU, Decai; (CN).
ZHU, Zhiguo; (CN).
XIE, Tianmin; (CN).
LI, Guangwen; (CN).
YAO, Caiwei; (CN).
BAO, Kaihong; (CN).
WU, Wangchang; (CN).
YANG, Zailei; (CN).
XIE, Gao; (CN)
Agent: KUNMING XIANGHE INTELLECTUAL PROPERTY AGENT LTD.; He Lin Room207, 2/F, No.102, Gulou Rd. Kunming, Yunnan 650051 (CN)
Priority Data:
Title (EN) METHOD FOR EXTRACTING GERMANIUM BY THERMALLY REDUCING AND VOLATILIZING GERMANIUM ORE
(FR) PROCÉDÉ D'EXTRACTION DE GERMANIUM PAR RÉDUCTION THERMIQUE ET VOLATILISATION DE MINERAI DE GERMANIUM
(ZH) 锗矿热还原挥发提取锗的方法
Abstract: front page image
(EN)Provided is a method for extracting germanium by thermally reducing and volatilizing germanium ore. Sodium hypophosphite is added to the germanium ore, air is isolated, the temperature is increased to carry out roasting, volatilization and enrichment so as to obtain a germanium concentrate.
(FR)Cette invention concerne un procédé d'extraction de germanium par réduction thermique et volatilisation de minerai de germanium. De l'hypophosphite de sodium est ajouté au minerai de germanium, l'air est isolé, la température est accrue pour effectuer la calcination, la volatilisation et l'enrichissement de manière à obtenir un concentré de germanium.
(ZH)一种锗矿热还原挥发提取锗的方法。在锗矿中加入次亚磷酸钠,隔绝空气,升温进行焙烧挥发富集从而得到锗精矿。
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, 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, KN, KP, KR, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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: Chinese (ZH)
Filing Language: Chinese (ZH)