Tag Archives: sulfide

Treatment method for gas composition contaiming hydrogen sulfide

Application Number  00128744 Application Date  2000.09.15 Publication Number  1288772 Publication Date  2001.03.28 Priority Information   1999/9/16 EP 99810824.5   International Classification  B01D53/52;C10G32/00   Applicant(s) Name  ABB Research Ltd.   Address     Inventor(s) Name  B. Erirson;E. Giler;U. Kergerschatc   Patent Agency Code  72001 Patent Agent  wu dajian AbstractA method of treating a normally gaseous composition… Read More »

Process for preparing nm-class organic/inorganic doped luminous material of cadmium sulfide

Application Number  00128253 Application Date  2000.12.14 Publication Number  1306067 Publication Date  2001.08.01 Priority Information     International Classification  C09K11/00   Applicant(s) Name  Changchun Inst of Applied Chemistry, Chinese Academy of Sciences   Address     Inventor(s) Name  Chen Yanming;Ji Xiangling;Jiang Shichun   Patent Agency Code  22001 Patent Agent  cao guizhen AbstractA nm-class orgainc/inorganic doped material… Read More »

Reduction and sulfonium making smelting process with non-ferrous sulfide ore and sulfide containing material

Application Number: 00113284Application Date: 2000.02.22Publication Number: 1310241Publication Date: 2001.08.29Priority Information: International: C22B5/00;C22B13/02Applicant(s) Name: Zhongnan Polytechnic Univ.Address: Inventor(s) Name: Tang Motang;Tang Chaobo;Yao WeiyiPatent Agency Code: 43200Patent Agent: gong canfanAbstract Non-ferrous sulfide ore is first ground and mixed with sulfonium making agent, reductant and additive and the mixture is then sulfonium making smelted at 900-1300 deg.c. Without… Read More »

Hg-Sb floatation separation method for Hg-Sb symbiotic sulfide ore

Application Number: 00113737Application Date: 2000.02.18Publication Number: 1308988Publication Date: 2001.08.22Priority Information: International: B03D1/00;B03B5/58Applicant(s) Name: Experimental Inst of Geological Mineral Products, Shaanxi Prov.Address: Inventor(s) Name: Wang Jianbin;Liu Yunjie;Chen WenkePatent Agency Code: 61114Patent Agent: han lingAbstract An Hg-Sb floatation process for the Hg-Sb symbiotic sulfide ore includes crushing, grinding, classifying, mixture floatation, removing chemical from mixed concentrate, suppressing… Read More »

Antifriction cast steel containing chromium and tungsten sulfide

Application Number: 00114501Application Date: 2000.04.14Publication Number: 1271028Publication Date: 2000.10.25Priority Information: International: C22C38/60Applicant(s) Name: Xu ZeruAddress: Inventor(s) Name: Xu ZeruPatent Agency Code: 41102Patent Agent: nie mengminAbstract By adding ferrochromium, ferrotungsten and ferric sulfide to molten steel, the self-lubricant iron-base antifriction cast steel with solid lubricant Cr3S4, WS2 and FeS is formed at high tempearture. The cast… Read More »

Polyhydrated sodium sulfide dewatering techn during production of polyphenyl thioether

Application Number: 00116141Application Date: 2000.09.30Publication Number: 1312306Publication Date: 2001.09.12Priority Information: International: C08G75/02Applicant(s) Name: Huatuo Industry Development Co., Ltd., Sichuan Prov.Address: Inventor(s) Name: Jiang YuePatent Agency Code: 51105Patent Agent: zhang pengAbstract The present invention adopts polyhydrate sodium sulfide and p-dichlorobenzene as raw material, and utilizes the processes of dehydrating sodium sulfide and polycondensation to produce polyphenylene… Read More »

Process for preparing monocrystal filament of zinc oxide directly from zinc sulfide

Application Number: 00120602Application Date: 2000.12.16Publication Number: 1305024Publication Date: 2001.07.25Priority Information: International: C30B25/00;C30B29/16;C30B29/62Applicant(s) Name: Kunming Science and Engineering UnivAddress: Inventor(s) Name: Shen Qianghua;Zhu ZuzePatent Agency Code: 53108Patent Agent: zhan xihanAbstract A process for preparing monocrystal filament of zinc oxide directly from zinc sulfide includes such steps as proportionally mixing zinc sulfide, carbonaceous reducer and lime or… Read More »

Process for preparing hydrogen sulfide remover for liquid-state hydrocarbon and process for regenerating it

Application Number: 00121439Application Date: 2000.07.21Publication Number: 1282778Publication Date: 2001.02.07Priority Information: International: C10G25/00Applicant(s) Name: Petroleum Univ. (Beijing)Address: Inventor(s) Name: Ke Ming;Liu Baohua;Fan ZhimingPatent Agency Code: 11013Patent Agent: jin jieAbstract A hydrogen sulfide remover for liquid-state hydrocarbon is prepared through immersing activated carbon in soluble metal salt solution, reaction of the activated carbon adsorbed metal salt on… Read More »

Ultravlow-carbon high-toughness steel resisting hydrogen sulfide for gas deliver pipeline

Application Number: 00123185Application Date: 2000.11.01Publication Number: 1351189Publication Date: 2002.05.29Priority Information: International: C22C38/26Applicant(s) Name: Metal Inst, Chinese Academy of SciencesAddress: Inventor(s) Name: Shan Yiyin;Yang ke;Qu JinboPatent Agency Code: 21002Patent Agent: zhang chenAbstract An ultralow-carbon high-toughness steel resisting hydrogen sulfide for gas-delivering pipeline contains C (0.02-0.04 wt.%), Si (0.15-0.35), Mn (1.4-1.6), Nb (0.03-0.05), V (0.02-0.04), Mo (0.2-0.4),… Read More »

Wet process for treating copper or arsenic sulfide

Application Number: 00124881Application Date: 2000.09.21Publication Number: 1343623Publication Date: 2002.04.10Priority Information: International: C01G3/10Applicant(s) Name: Huaxin Metal Co Ltd, Guixi SmelteryAddress: Inventor(s) Name: LIu Changyong;Wu Wei;Zeng XiaodongPatent Agency Code: 00000Patent Agent: Abstract A process for preparing copper sulfate from the sulfide containing copper and arsenic includes mixing the said sulfide with 2-valence iron ions and compressed air… Read More »

Preparation of chemical agent for removing hydrogen sulfide from liquid hydrocarbon and use method thereof

Application Number: 00124977Application Date: 2000.09.29Publication Number: 1345912Publication Date: 2002.04.24Priority Information: International: B01J8/10;B01J20/06Applicant(s) Name: Petroleum Univ.Address: Inventor(s) Name: Ke Ming;Liu Baohua;Fan ZhimingPatent Agency Code: 11013Patent Agent: liu tianyuAbstract The present invention relates to a preparation method of hydrogen sulfide removing agent. Said preparation method includes the following steps: using soluble metal salt solution of IB and… Read More »

Process for treating metal sulfide ore

Application Number: 00126673Application Date: 2000.11.10Publication Number: 1353202Publication Date: 2002.06.12Priority Information: International: C22B7/04;C22B13/02;C22B30/00Applicant(s) Name: Huandong Metallic Material Factory, Liuzhou CityAddress: Inventor(s) Name: Li Jianmin;Lai Qionglin;Xie ZhaofengPatent Agency Code: 43200Patent Agent: gong canfanAbstract A process for treating metal sulfide ore includes such steps as adding the sulfur and arsenic fixating agent of Na-Fe type with caustic soda… Read More »

Medicinal box of Re-188-rhenium sulfide suspension and its preparing process

Application Number: 00111447Application Date: 2000.01.14Publication Number: 1264601Publication Date: 2000.08.30Priority Information: International: A61K51/00;A61K51/12Applicant(s) Name: Shanghai Inst. of Atomic Nuclei, Chinese Academy of SciencesAddress: Inventor(s) Name: Yu Junfeng;Yin Duanzhi;Wang YongxianPatent Agency Code: 31002Patent Agent: fei kaikuiAbstract A medicinal box for preparing Re188-rhenium sulfide suspension and a method for preparing said medicinal box with KR3O4, Na2S2O3, NaCl, PVP,… Read More »

Method for analysing hydrogen sulfide content in hydride gas

Application Number: 00104399Application Date: 2000.03.22Publication Number: 1268664Publication Date: 2000.10.04Priority Information: 1999/3/24 US 09/275574International: G01N21/86Applicant(s) Name: Raxair Tech., Inc.Address: Inventor(s) Name: M. M. Litewin;S. Salin;J. B. GedadPatent Agency Code: 72001Patent Agent: lu xinhuaAbstract The method measures hydrogen sulfide concentrations in hydride gases in a sealed vessel. The sealed vessel has a gas inlet to receive a… Read More »

Process for preparing rare-earth sulfide

Application Number: 00100424Application Date: 2000.01.31Publication Number: 1262224Publication Date: 2000.08.09Priority Information: International: C01F17/00Applicant(s) Name: Li BoAddress: Inventor(s) Name: Li BoPatent Agency Code: 11139Patent Agent: sun haochenAbstract A process for preparing rare-earth sulfide features that rare-earth metal and zinc sulfide take part in reaction at 1000-1600 deg.C under 10 to the power (-2–4) pa to obtain ReS… Read More »