Tag Archives: ore

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 »

Pretreatment method of refractory aurin ore containing As and other elements

Application Number: 00122421Application Date: 2000.07.30Publication Number: 1336446Publication Date: 2002.02.20Priority Information: International: C22B1/02Applicant(s) Name: Wang KuixiAddress: Inventor(s) Name: Wang KuixiPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to pretreatment of hard processing gold concentrate containing arsenic etc. The hard processing gold concentrate containing arsenic etc. is uniformly mixed with additive, calcined in rotary kiln… Read More »

Process for purifying natural 3R-type graphite ore

Application Number: 00110587Application Date: 2000.06.30Publication Number: 1331048Publication Date: 2002.01.16Priority Information: International: C01B31/04Applicant(s) Name: Guo DongzhangAddress: Inventor(s) Name: Guo Dongzhang;Li Gui;Zhu GuizengPatent Agency Code: 21109Patent Agent: liang yanAbstract A process for purifying the natural 3R-type graphite ore includes crushing, acid treating with hydrofluoric acid and hydrochloric acid, washing in water, baking, classifying and packing. Its advantages… Read More »

Super-fine whirl mill and its non-metallic ore wet method super-fine technology

Application Number: 00114024Application Date: 2000.01.19Publication Number: 1260242Publication Date: 2000.07.19Priority Information: International: B02C19/00Applicant(s) Name: Huanan Science and Engineering UniversityAddress: Inventor(s) Name: Bi ShuPatent Agency Code: 44201Patent Agent: luo guanxiangAbstract The grinding machine comprises motor drive portion, motor and motor base, abrasive disk, grinding cylinder and moving rollers, bearing seat, main shaft, main column, base , diaphragm… Read More »

Method for producing bacterial potash fertilizer by microbial solid fermentation to decompose in-soluble potassium ore

Application Number: 00123208Application Date: 2000.11.03Publication Number: 1290673Publication Date: 2001.04.11Priority Information: International: C05D1/04;C05F11/08;C12P39/00;C12S13/00Applicant(s) Name: Du ShiqiangAddress: Inventor(s) Name: Du Shiwei;Du Shiqiang;Ke DanPatent Agency Code: 23100Patent Agent: li yunxiaAbstract By using potassium feldspar containing K2O, AI2O3 and SiO2, calcium oxide, carbon source matter and nitrogen source matter as solid fermentation material as well as water and potash… Read More »

Agitator bath for pre-treating refractory As-containing gold ore by impregnating in strong alkali solution

Application Number: 00110679Application Date: 2000.07.19Publication Number: 1334348Publication Date: 2002.02.06Priority Information: International: C22B3/02Applicant(s) Name: Shenyang Inst of Metals Research, Chinese Academy of SciencesAddress: Inventor(s) Name: Meng Yuqun;Wu Minjie;Suo ShaolingPatent Agency Code: 21002Patent Agent: zhang chenAbstract An agitator bath for pretreating refractory As-contained gold ore by forced immersion in alkali solution is composed of electric motor, agitating… Read More »

Process for extracting gold (silver) from gold (silver) ore by cyanation

Application Number: 00114309Application Date: 2000.01.03Publication Number: 1302911Publication Date: 2001.07.11Priority Information: International: C22B11/08Applicant(s) Name: Sun GuangchaoAddress: Inventor(s) Name: Sun Guangchao;Xie JuanPatent Agency Code: 42100Patent Agent: wang bangjunAbstract A process for extracting gold or silver from gold or silver ore by cyanation method includes such steps as grinding ore, impregnating in alkaline solution of cyanide, then stacking… Read More »

Dressing process for gold ore

Application Number: 00123984Application Date: 2000.10.29Publication Number: 1302697Publication Date: 2001.07.11Priority Information: International: B02C17/00;B02C23/16;B02C23/38;B03D1/00;B04C7/00Applicant(s) Name: Xiadian Gold Mine, Zhaoyuan CityAddress: Inventor(s) Name: Wang Peifu;Li Jinyou;Chen XiangqunPatent Agency Code: 37102Patent Agent: Abstract A dressing process for gold ore includes closed crushing, closed grinding, optimal floatation, concentration, dressing tailings, merging with concentrate and raw ore, and grinding and dressing… Read More »

Process and equipment for preparing sintered ore

Application Number: 00111139Application Date: 2000.06.14Publication Number: 1276436Publication Date: 2000.12.13Priority Information: International: C22B1/16Applicant(s) Name: Sinter Plant, Laiwu Iron & Steel Co., Ltd.Address: Inventor(s) Name: Yang DongjinPatent Agency Code: 37100Patent Agent: cui minhaiAbstract A production method and equipment of sintered ore is disclosed. The raw mixture containing solid fuel is distributed onto continuously moving pallet by distributor.… Read More »

Method for producing briquetted iron ore using fine iron powder extracted from steel slag

Application Number: 00116007Application Date: 2000.09.08Publication Number: 1288068Publication Date: 2001.03.21Priority Information: International: C22B1/14Applicant(s) Name: Wuhan Smelter Slag Environmental Protection Engineering Co., Ltd., WuhanAddress: Inventor(s) Name: Ji Gengxin;Xiao Zhurong;Wang YinghongPatent Agency Code: 42104Patent Agent: hu qingtangAbstract A technology for preparing spheroidized ore with refined iron powder extracted from steel slags refined iron powder (40-60 wt.%) and ferrous… Read More »

High-purity iron oxide red producing process with iron ore powder and other iron-bearing material

Application Number: 00124851Application Date: 2000.09.19Publication Number: 1344681Publication Date: 2002.04.17Priority Information: International: C01G49/06Applicant(s) Name: Zhang MenjiaoAddress: Inventor(s) Name: Zhang MenjiaoPatent Agency Code: 13103Patent Agent: zhang yunheAbstract The producing process of high-purity iron oxide red includes: regulating the concentration of acid solution to 20-70 %, addition of iron bearing material, reaction at normal temperature under 130 deg.C… Read More »

Process for preparing floatation catcher of iron ore

Application Number: 00112563Application Date: 2000.09.21Publication Number: 1343531Publication Date: 2002.04.10Priority Information: International: B03D1/04Applicant(s) Name: Meanshan Presearch Inst of Mines, Ministry of Metallurgical IndustryAddress: Inventor(s) Name: Shangguan Zhengming;Chen Yuhua;Wang KuanPatent Agency Code: 34100Patent Agent: chang qianfaAbstract A capturing agent for the floatation of iron is prepared from plant oil, acidified oil, and coarse fatty acid or mixed… Read More »

Process for comprehensively recovering very-low-grade copper from iron ore

Application Number: 00116049Application Date: 2000.09.27Publication Number: 1317371Publication Date: 2001.10.17Priority Information: International: B03D1/004Applicant(s) Name: Wuhan Iron and Steel (Group) CoAddress: Inventor(s) Name: Yu Kuixiang;Xiao Gan;Tang Xin'anPatent Agency Code: 42102Patent Agent: cheng yuhanAbstract A process for recovering very-low-grade copper from iron ore includes grinding, sieving while magnetic separation to separate out iron ore concentrate, mixed floatation, adding… 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 »

Vibrating rotary disk ore dressing machine

Application Number: 00112672Application Date: 2000.01.31Publication Number: 1306886Publication Date: 2001.08.08Priority Information: International: B03B5/04Applicant(s) Name: Yang BoAddress: Inventor(s) Name: Yang Bo;Ge Baoliang;Luo XuemeiPatent Agency Code: 53100Patent Agent: zhao yunAbstract The ore dressing machine for separating minerals of different specific weight has several units mounted in different layers of frame, which are driven by shaking bed head to… Read More »

Apparatus and process for producing sponge iron by using coal gas-making shaft furnace to reduce iron ore

Application Number: 00116216Application Date: 2000.05.30Publication Number: 1275624Publication Date: 2000.12.06Priority Information: International: C21B13/02Applicant(s) Name: Baoshan Iron & Steel Co., Ltd.Address: Inventor(s) Name: Shen Chengxiao;Li Yongquan;Chen HongPatent Agency Code: 31209Patent Agent: he wenxinAbstract The presenti nvention is a technology for producing sponge iron and its equipment, and includes the following steps: milling coal and water to obtain… Read More »

Basic pressure digestion process of high-calcium tungsten ore

Application Number: 00126770Application Date: 2000.12.28Publication Number: 1361296Publication Date: 2002.07.31Priority Information: International: C22B3/12Applicant(s) Name: Zhuzhou Hard Alloy FoundryAddress: Inventor(s) Name: Yao Zhengang;Xie Shengde;Pu Chong'enPatent Agency Code: 43001Patent Agent: jiang jinAbstract The basic pressure digestion process of high calcium tungsten mineral includes grinding the mineral, pressure digestion of the mineral with high-concentration alkali of 1.8-4 times theoretic… Read More »

Floatation agent for ore dressing

Application Number: 00112749Application Date: 2000.03.08Publication Number: 1290575Publication Date: 2001.04.11Priority Information: 1999/12/28 CN 99117496.8International: B03D1/016Applicant(s) Name: Sun JinyuanAddress: Inventor(s) Name: Sun Jinyuan;Sun Yuhong;Sun LimingPatent Agency Code: 51123Patent Agent: kang haiyanAbstract The floatation agent contains mainly sulfate of fatty alcohol polyoxyl ether of molecular expression R-O-(CH2-CH2-O)n-OSO3Na and fatty phenol polyoxyl ether. It has high selectivity and high… Read More »

Method for sorting raw ore, especially coal

Application Number: 00117953Application Date: 2000.05.24Publication Number: 1274620Publication Date: 2000.11.29Priority Information: 1999/5/24 DE 19923600.3International: B03B5/34;B04C3/06Applicant(s) Name: Haintz HohltAddress: Inventor(s) Name: Haintz Hohlt;P. Wel SchenskyPatent Agency Code: 72001Patent Agent: yang songlingAbstract The process involves using an inclined cylindrical separating vessel (1) with a separating medium directed in at least two partial streams through inlet tubes into the… Read More »

Floatation agent for ore dressing

Application Number: 00112749Application Date: 2000.03.08Publication Number: 1290575Publication Date: 2001.04.11Priority Information: 1999/12/28 CN 99117496.8International: B03D1/016Applicant(s) Name: Sun JinyuanAddress: Inventor(s) Name: Sun Jinyuan;Sun Yuhong;Sun LimingPatent Agency Code: 51123Patent Agent: kang haiyanAbstract The floatation agent contains mainly sulfate of fatty alcohol polyoxyl ether of molecular expression R-O-(CH2-CH2-O)n-OSO3Na and fatty phenol polyoxyl ether. It has high selectivity and high… Read More »

Boron ore dressing method

Application Number: 00118225Application Date: 2000.05.29Publication Number: 1281751Publication Date: 2001.01.31Priority Information: International: B03B5/00Applicant(s) Name: Li HonglingAddress: Inventor(s) Name: Li Hongling;Yu Zhongxin;Qi YongshengPatent Agency Code: 63100Patent Agent: quan hongyiAbstract The enrichment method of boron ore is formed from three technoloical steps of breaking boron ore, cleaning and drying to dehydrate. Its technological process is simple, operation is… Read More »

NaOH decomposition method of scheelite and mixed wolframite and scheelite ore

Application Number: 00113250Application Date: 2000.01.31Publication Number: 1307140Publication Date: 2001.08.08Priority Information: International: C22B3/12Applicant(s) Name: Zhongnan Polytechnical Univ.Address: Inventor(s) Name: Li Honggui;LIu Maosheng;Li YunjiaoPatent Agency Code: 43200Patent Agent: gong canfanAbstract Scheelite ore of 74 micron below size and mixed wolframite and scheelite ore are mixed with NaOH and water and press digested in an autoclave with reverse… Read More »

Iron ore block formed by punch

Application Number: 00118518Application Date: 2000.06.08Publication Number: 1328163Publication Date: 2001.12.26Priority Information: International: C22B1/14;C22B1/243Applicant(s) Name: Guo JianpingAddress: Inventor(s) Name: Guo JianpingPatent Agency Code: 00000Patent Agent: Abstract An iron ore block is prepared from iron ore concentrate through regulating pH value, mixing with cheap adhesive and water, and punching. Its advantages are high rate of finished products (100%),… 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 »

Process for preparing potassium nitrate and sodium nitrate from nitrate-type solid-liquid ore

Application Number: 00118905Application Date: 2000.06.14Publication Number: 1283589Publication Date: 2001.02.14Priority Information: International: C01D9/02;C01D9/16Applicant(s) Name: Changtuo Building Chemicals Co., Ltd., ShanshanAddress: Inventor(s) Name: Kang Dianxiang;Zhao XingsenPatent Agency Code: 65002Patent Agent: lin dongchunAbstract A proces for preparing potassium nitrate or sodium nitrate from nitrate-type solid or liquid ore includes evaporating raw bittern in class-1 salina, crystallizing to remove… Read More »

Reflecting powder made of tailing of Ta-Nb ore after floatation and lepidolite for highway and its preparing process

Application Number: 00113579Application Date: 2000.07.26Publication Number: 1283657Publication Date: 2001.02.14Priority Information: International: C09D5/33;C09D7/12Applicant(s) Name: Zhou JinAddress: Inventor(s) Name: Zhou Jin;Deng Dongyuan;Tan RishanPatent Agency Code: 43105Patent Agent: xiao meizheAbstract A reflecting powder for highway is prepared from lepidolite as base material and additives through screening, washing and surface treating. Its advantages include simple preparing process no poison… Read More »

Metal manganese electrolyzing techn with roasted ore to replace natural manganese dioxide ore

Application Number: 00120569Application Date: 2000.11.08Publication Number: 1310238Publication Date: 2001.08.29Priority Information: International: C22B3/08;C25C1/10Applicant(s) Name: Chongqing Sanjiaotan Manganese Industry Co., ltd.Address: Inventor(s) Name: Tian Jingxue;Zheng JunPatent Agency Code: 51102Patent Agent: guo yunAbstract The technological process includes the steps of leaching-out, straining, neutralization, purification, filtering, replenishing electrolyte solution, electrolysis, post-treatment of product and packing. By simultaneous leaching out… Read More »

Method for treating high zinc infusible fine copper ore

Application Number: 00110342Application Date: 2000.04.21Publication Number: 1275629Publication Date: 2000.12.06Priority Information: International: C22B15/02Applicant(s) Name: Shenyang Smeltery FactoryAddress: Inventor(s) Name: Lin Quan;Song Jie;Min HuayangPatent Agency Code: 21107Patent Agent: han huiAbstract A method for treating high-zinc infusible copper concentrate is characterized by using blast furnace smelting process to treat high-zinc copper concentrate whose zinc content is 4-9%, and… Read More »

Extraction method for ore containing As and others difficult to process

Application Number: 00110298Application Date: 2000.04.05Publication Number: 1316532Publication Date: 2001.10.10Priority Information: International: C22B3/08;C22B3/46Applicant(s) Name: Fu ZhannengAddress: Inventor(s) Name: Fu Zhanneng;Cao QiurongPatent Agency Code: 22100Patent Agent: zhao zhengAbstract A process for extracting from the ore containing As and others difficult to treat incldues such steps as ore dressing to obtain ore concentrate, adding powdered pyrolusite, mixing with… Read More »

In-situ double energy Gama absorption iron ore pulp grade measuring method and instrument

Application Number: 00109760Application Date: 2000.07.05Publication Number: 1274843Publication Date: 2000.11.29Priority Information: International: G01N23/02;G01T1/202Applicant(s) Name: Dandong Dongfang Measurement & Control Technology Co., Ltd.Address: Inventor(s) Name: Hou ChaoqinPatent Agency Code: 11007Patent Agent: dong tongyuanAbstract By means of double energy ray absorption principle, the instrument of the present invention can measure the contents of three components including iron, impurity… Read More »