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1. (WO2018099243) NOX ABATEMENT METHOD FOR PRECIOUS METAL REFINERY AND RECYCLING PROCESSES
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/099243 International Application No.: PCT/CN2017/109342
Publication Date: 07.06.2018 International Filing Date: 03.11.2017
IPC:
Applicants: HERAEUS PRECIOUS METAL TECHNOLOGY (CHINA) CO., LTD.[CN/CN]; Plot 3 B-2-1, Developed Land, Chemical Industry Park Nanjing, Jiangsu 211500, CN
HERAEUS SITE OPERATIONS GMBH & CO. KG[DE/DE]; Heraeusstrasse 12 - 14 63450 Hanau, DE
Inventors: NOWOTTNY, Christian; DE
YU, Zhenggang; CN
LI, Wengang; CN
Agent: ZHONGZI LAW OFFICE; 7F, New Era Building 26 Pinganli Xidajie, Xicheng District Beijing 100034, CN
Priority Data:
Title (EN) NOX ABATEMENT METHOD FOR PRECIOUS METAL REFINERY AND RECYCLING PROCESSES
(FR) PROCÉDÉ DE RÉDUCTION DES ÉMISSIONS DE NOX POUR AFFINERIE DE MÉTAUX PRÉCIEUX ET PROCESSUS DE RECYCLAGE
Abstract:
(EN) The present invention relates to a process for NOx removal wherein an aqueous liquid, at least one gaseous and/or at least one liquid oxidant, and a NOx-containing off-gas are fed into a venturi mixing unit, thereby obtaining a turbulent aqueous reaction zone in the venturi mixing unit, and a HNO3-enriched aqueous liquid leaves the venturi mixing unit.
(FR) La présente invention concerne un procédé d'élimination des émissions de NOx dans lequel un liquide aqueux, au moins un oxydant gazeux et/ou au moins un oxydant liquide, et un gaz d'échappement contenant du NOx sont introduits dans une unité de mélange venturi, ce qui permet d'obtenir une zone de réaction aqueuse turbulente dans l'unité de mélange de venturi, un liquide aqueux enrichi en HNO3 quittant l'unité de mélange de venturi.
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, JO, 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)