Tag Archives: hydroxide

Preparation method of nickel positive active material spherical alpha-nickel hydroxide

Application Number: 00123599Application Date: 2000.08.25Publication Number: 1282114Publication Date: 2001.01.31Priority Information: International: H01M4/04;H01M4/32;H01M4/52Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Du Xiaohua;Jiang changyin;Wan ChunrongPatent Agency Code: 11201Patent Agent: luo wenqunAbstract The preparation method of nickel anion active material spherical alpha-nickel hydroxide includes the following steps: pumping the nickel salt aqueous solution and sodium hydroxide alkaline aqueous solution with… Read More »

Prepn of tetraethyl ammonium hydroxide

Application Number: 00126629Application Date: 2000.10.11Publication Number: 1347872Publication Date: 2002.05.08Priority Information: International: C07C211/63;C07C209/00Applicant(s) Name: Changling Oil Refining Chemical Co., Ltd., China Petrochemical GroupAddress: Inventor(s) Name: Liu Zhijian;Liao JianjunPatent Agency Code: 00000Patent Agent: Abstract The present invention provides one kind of synthesis process of tetraethyl ammonium hydroxide as molecular sieve template agent. Surfactant, non-protonic solution, triethyl amine… Read More »

Production process of high-activity spherical nickel hydroxide

Application Number: 00110683Application Date: 2000.07.20Publication Number: 1335266Publication Date: 2002.02.13Priority Information: International: C01G53/04Applicant(s) Name: Chang ShouwenAddress: Inventor(s) Name: Chang Shouwen;Zhao Quan;Li XumingPatent Agency Code: 21107Patent Agent: li fenglaiAbstract The present invention relates to the production of high activity spherical nickel hydroxide for nickel battery. The present invention features that the stirring speed in the reactor is… Read More »

Equipment for treating black liquid generated by making paper with wheat straws by sodium hydroxide method

Application Number: 00110976Application Date: 2000.03.22Publication Number: 1264772Publication Date: 2000.08.30Priority Information: International: D21C11/04Applicant(s) Name: Qingquan Sewage Treatment Inst., Taian CityAddress: Inventor(s) Name: Wang Zhanyou;Dai XiufengPatent Agency Code: 37100Patent Agent: ma yaowenAbstract An equipment for treating the black liquid generated by making paper with wheat straw by sodium hydroxide method is composed of fibre filter pool, cooling… Read More »

Technological process of preparing aluminium hydroxide from sodium hydroxide fused bauxite

Application Number: 00112940Application Date: 2000.05.12Publication Number: 1323741Publication Date: 2001.11.28Priority Information: International: C01F7/06;C01F7/14Applicant(s) Name: Zhang ZhideAddress: Inventor(s) Name: Zhang ZhidePatent Agency Code: 52100Patent Agent: yu dunhanAbstract Method of preparing aluminium hydroxide by sodium hydroxide alkali fusion of bauxite is proceeded as follows: solid sodium hydroxide is added to alkali resisting reactor, heating and fusing adding bauxite… Read More »

Process for treating circulated cooling water in production of sodium hydroxide

Application Number: 00120503Application Date: 2000.10.23Publication Number: 1293153Publication Date: 2001.05.02Priority Information: International: C02F1/50;C02F5/14Applicant(s) Name: Kangqiao Applied Technologies, Development Inst, Zigong CityAddress: Inventor(s) Name: Xiong Duangang;Liao Shuming;Zhang GuangliPatent Agency Code: 51118Patent Agent: zhan fuwuAbstract A process for treating the circulating cooling water in sodium hydroxide production features that an inclined tube clarifying pool is used as filter… Read More »