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电解法生产金属钠


1、检索课题名称:电解法生产金属钠 2、课检索课题名称题分析: “金属纳”属于本课题的主体,其应用目标是“电解法 和“生产” ,由此得出如下检索词(按其对课题影响程度排序) : 中文关键词:1 金属纳 2 电解法 3 生产 3、选择检索工具:本课题检索目标为中文各类相关文献。根据本图书馆的资源情况 选择如下数据库: (1)CNKI 数字图书馆:中国期刊全文数据库 (2)万方数据库

(会议论文) (3)超星数字图书馆(图书检索) 、书生之家数字图书馆等。 4、构建检索策略:因“金属纳”为课题的主体,应优先检索, “电解”和“生产 应在检索结果中同时存在。故制定如下检索策略。() “ ”表示优先、 “*”表示并 且。 检索算法: (金属纳)*电解*生产 时间范围:1950--2011 文献范围:期刊论文、会议论文、专著 为了保证查全率可考虑使用全文检索途径和高级检索方式。 5、简述检索策略调整的过程: 1)在 CNKI 中国期刊全文数据库中(CNKI 数据库镜像) : a、为保证查全率,使用“ (金属钠)*电解*生产”检索运算式,检索范围选择:所 有专辑、全文中检索,检索出记录 0 条。 C、上述检索策略没有得到检索结果,考虑扩大检索范围。改检索“生产金属钠” 检索出记录 15 条,数量适中 1、利用金属钠制备甲醇钠的生产工艺 孙向东 孙旭东 张慧波 王庆 薛永江 3、金属钠的应用及生产工艺 张莉 王树轩 青海大学学报(自然科学 版) 2006 年 第 04 期 2)万方数据库: 检索“生产*金属钠” ,检索出记录 38 条。如下图: 1 无机盐改性钠水玻璃富锌涂料的制备和流变学性能 [学位论文] 杨巧, 2008 - 武汉工业学院 武汉工业学院:应用化学 2 粗锂脱钠的真空蒸馏研究 [学位论文] 魏剑, 2003 - 昆明理工大学 昆明理工大学:有色金属冶 3)维普资讯网( 《中文科技期刊数据库》 (全文版):检索“生产金属钠“得到 ) 零条结果; 用“金属钠”单一算式检索,检索出记录 169 条。 6、标示原文线索: 1、 《高纯度固体叔丁醇钠安全生产技术》 2、 《金属钠生产过程中危险有害因素分析》 8期

吴朝香

技术与市场-2011 年 4 期 广州化工-2010 年

1、检索课题名称:电解法生产金属钠 2、课题分析:中文关键词:1 电解法 2 金属钠 3 英文关键词: (1) Electrolytic method ( 2 ) Sodium metal ( 3 ) produce

生产

3、选择收索引擎: 1 谷歌(google) 2 百度(baidu) 3 元收索(InfoSpace、Dogpile、Vivisimo、圣博牛收) 4、构建检索策略: 检索算法: (生产)*电解法*金属钠 文献范围:期刊论文、学位论文、会议论文、专著 使用学术文献检索、选择。 5、简述检索策略调整过程: (1)在谷歌:找到 202,000 个结果 (2)在百度:找到 75,800 个结果 (3)元收索:在 InfoSpace、Dogpile、Vivisimo 上使用“Electrolytic method Sodium metal produce”查询,也有很多结果,无具体条数 6、 整理收索结果:用电解法生产金属钠 在谷歌: (1) 、用电解法生产金属钠 在百度: (2) 、有关金属钠的生产的 您正在看的文章来自博研联盟 http://bbs.myboyan.com,原文地 址:http://bbs.myboyan.com/read.php?tid=18007 在 InfoSpace: (3) 、Sodium - How The Metal Is Obtained http://science.jrank.org/pages/6218/Sodium-How-metal-obtained.html 在 Vivisimo: (4)、用“Electrolytic method Sodium metal produce”没有收到结果——No results were found for your query. 在 Dogpile: (5)、用“Electrolytic method Sodium metal produce”收索,有 “ELECTROLYTIC METHOD OF OBTAINING GALLIUM METAL ” ,自 http://www.sumobrain.com/patents/wipo/Electrolytic-method-obtaininggallium-metal/WO1993022478.html 整理: 生产金属钠的主要方法是电解食盐。制钠的原料必须是经过加工的精制盐。为降 低电

解质的熔点,并改善电解质的物理性能,通常加氯化锶(或氯化钙)的两元电解 质, 或加氯化钡、氯化锶和氯化钙组成的四元电解质。 产钠的一项重要设备是电解槽,槽里有单园柱形石墨阳极和多阳极、园筒形环状 铸钢 阳极和铁制隔膜等。电解发生后,钠在负极表面产生,氯在正极表面产生。由于 产物 密度的差异, 以及槽内熔化物的密度不同 (钠的比重为 0.97, 电解质比重为 2.56) , 在正负极的作用下,使这些产物升到表面后被收集起来。在阳极的上方,有一个 氯气 收集罩和氯气桶,以收集上升的氯气;在电解槽的底下,有钠罐用来收集生成的 纳。 钠要用氮气防护,由于它在粗钠容器中处于油保护层下,因此,必须精制后才能 使 用。 用电解法生产金属钠,每吨需耗盐 2.8 吨。电解槽内的温度高达摄氏数百度,电 力消 耗大,每吨钠耗电 1.1~1.2 万度,是耗能的大户。由于我国的电力不足,因此, 金属 钠的生产还不能有太大的发展。 (摘自《无机盐工业手册》 ) 7、标示原文线索: (1)“用电解法生产金属钠”摘自《无机盐工业手册》 (2)“有关金属钠的生产的”原文地址:http://bbs.myboyan.com/read.php? tid=18007 (3)“Sodium - How The Metal Is Obtained” http://science.jrank.org/pages/6218/Sodium-How-metal-obtained.html (4)“ELECTROLYTIC METHOD OF OBTAINING GALLIUM METAL ” ,自 http://www.sumobrain.com/patents/wipo/Electrolytic-method-obtaininggallium-metal/WO1993022478.html

1、检索课题名称:电解法生产金属钠 2、课题分析:中文关键词:1 电解法 2 金属钠 3 英文关键词: (1) Electrolytic method (2) Sodium metal (3) produce

生产

3、选择检索工具: 《美国工程索引》 (Ei village2) 4、构建检索策略:Electrolytic method* Sodium metal* produce 5、简述检索过程: 选择快速检索,输入检索词:第一、Electrolytic method;第二:Sodium metal; 第三:produce;检索结果有 41 条记录 6、根据检索结果选择 3 条记录:
41 records in Compendex for 1969-2011

(1)Comparative feasibilities of processes for the destruction of organochlorines: Base-catalyzed dechlorination, sodium metal, hydrogen and electrolytic reduction processes
Davies, W.A. (Univ of Sydney, Sydney); Prince, R.G.H. Source: Process Safety and Environmental Protection: Transactions of the Institution of Chemical Engineers, Part B, v 72, n 2, p 113-115, May 1994

Database: Compendex Abstract - Detailed - Cited by in Scopus (8) (2)New method for the selection of sodium and calcium specifications in alumina Fortier, Francois (Alcan Smelters and Chemicals, Jonquiere, Canada); Hamel, Ghislain; Gilbert, Clement;
Gilbert, Richard Source: Light Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania), p 435-440, 1995

Database: Compendex Abstract - Detailed (3)Characterization of a multilayer coating prepared by combining plasma electrolytic oxidation, electroless copper and BTA passivity on a magnesium alloy
Jiang, Y.F. (College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, Jiangsu Province, China); Bao, Y.F. Source: Magnesium Technology, p 151-153, 2010, Magnesium Technology 2010 Held During TMS 2010 Annual Meeting and Exhibition

Database: Compendex Abstract - Detailed 阅读文摘: Comparative feasibilities of processes for the destruction of organochlorines: Base-catalyzed dechlorination, sodium metal, hydrogen and electrolytic reduction processes Davies, W.A.1; Prince, R.G.H.1 Source: Process Safety and Environmental Protection: Transactions of the
Institution of Chemical Engineers, Part B, v 72, n 2, p 113-115, May 1994; ISSN: 09575820; Publisher: Inst of Chemical Engineers Author affiliation: Univ of Sydney, Sydney

Abstract: We have examined the design and economics of chemical plant for the destruction of organochlorine wastes, such as hexachlorobenzene (HCB) and polychlorinated biphenyls (PCBs) as a contaminant of transformer oils. These studies were prompted by the need for destruction methods other than high-temperature incineration which has been rejected by the community in Australia. Instead of oxidation, the processes we examined are all based on reduction, for which there are several advantages: absence of gas streams vented to atmosphere, production of valuable hydrocarbon by-products and a significant reduction in the likelihood of producing toxic dioxins. Economic analysis found that sodium metal reduction of PCBs in transformer oil gave an attractive return on investment,

but the same was not true for HCB. Similarly base-catalyzed dechlorination was found to be suitable for HCB but not competitive for PCBs in transformer oil. Hydrogen reduction was uneconomic, as was electrolytic reduction. Despite the secrecy necessarily surrounding some of these commercial processes, it was possible to produce feasible and novel reactor designs.
Main Heading: Waste treatment

Controlled terms: Benzene - Catalysis - Chemical plants - Economics - Electrolytic reduction - Hydrogen - Polychlorinated biphenyls - Sodium Uncontrolled terms: Base catalyzed dechlorination - Destruction technology - Hexachlorobenzene (HCB) - Organochlorine wastes Classification Code: 549.1 Alkali Metals - 802.1 Chemical Plants and Equipment - 802.2 Chemical Reactions - 802.3 Chemical Operations - 804.1 Organic Compounds - 911.2 Industrial Economics
Treatment: Economic (ECO); General review (GEN) Database: Compendex (2) New

method for the selection of sodium and calcium specifications in

alumina
Fortier, Francois1; Hamel, Ghislain1; Gilbert, Clement1; Gilbert, Richard1 Source: Light Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania), p 435-440, 1995; ISSN: 10969586; Conference: Proceedings of the 124th TMS Annual Meeting, Febrary 12, 1995 - Febrary 16, 1995; Publisher: Minerals, Metals & Materials Soc (TMS)

Author affiliation: Alcan Smelters and Chemicals, Jonquiere, Canada

Abstract: Alcan Aluminium operates seven aluminium smelters in northeastern North America. In the last few years, some of the old H.S. Soderberg potlines were replaced by modern prebaked ones. Also, the potlining life has improved continuously. These changes in aluminium process technology pose new environmental challenges. Formerly, the Alcan smelters which were net bath consumers evolved to become net bath producers. Growing inventories of unrecycled bath generates an environmental problem which has to be addressed swiftly. A model of the sodium and calcium balance of the smelter was developed. The model takes into account raw material specification and consumption, scrubbing technologies, process losses, potlining life, electrolyte composition, transfer of sodium and calcium bearing materials between smelters. The model specifies the alumina characteristics required to eliminate the net generation of electrolytic bath. For the Alcan system the alumina required is characterized by 0.33% Na2O and 0.025% CaO. Also the model can predict, for any smelting technology, the alumina required for zero bath generation.
Main Heading: Alumina

(5 refs.)

Controlled terms: Aluminum Calcium Chemical equipment - Electrolytes - Furnaces - Geographical regions - Mathematical models - Numerical analysis - Sodium - Specifications Uncontrolled terms: Aluminum smelters - Cryolite - Electrolyte bath - Electrolytic process - Potlines - Quattro pro spread sheet - Raw material specification Classification Code: 532 Metallurgical Furnaces - 541.1 Aluminum - 549.1 Alkali Metals - 549.2 Alkaline Earth Metals - 804.2 Inorganic Compounds - 902.2 Codes and Standards

Treatment: Applications (APP); General review (GEN); Experimental (EXP) Database: Compendex

of a multilayer coating prepared by combining plasma electrolytic oxidation, electroless copper and BTA passivity on a magnesium alloy Jiang, Y.F.1; Bao, Y.F.1 Source: Magnesium Technology, p 151-153, 2010, Magnesium Technology 2010 Held During TMS 2010 Annual Meeting and Exhibition; ISSN: 15454150; ISBN-13: 9780873397469; Conference: Magnesium Technology 2010 - TMS 2010 Annual Meeting and Exhibition, February 14, 2010 February 18, 2010; Sponsor: Magnesium Committee of the Light Metals Division of TMS; Publisher: Minerals, Metals and Materials Society Author affiliation: College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, Jiangsu Province, China

( 3 ) Characterization

Abstract: A novel multilayer coating was prepared to produce pore-free copper coatings on AZ91 magnesium alloy combining the methods of plasma electrolytic oxidation (PEO) pre-treatment, electroless copper plating and benzotriazole ( BTA), which are examined using scanning electron microscopy (SEM) equipped with energy dispersiv e analysis of X-rays (EDX). Electrochemical characterization methods are employed to evaluate corrosion protection provided by the coating to the magnesium substrate in a 5% NaCl solution. It is indicated that the electroless copper process produces a rough interface between the electroless copper layer and the ceramic layer, while the corrosion potential shifts significantly to the positive direction and the current density decreases by more than one order of magnitude. There are no noticeable galvanic corrosion pits on the surface of the duplex coating combination of PEO and electroless copper plating after 168 hours of neutral salt spray testing. The color of copper after BTA immersion could be hold above 60 days (1 don't know what this last sentence means?).

(17 refs.)

Main Heading: Copper

Controlled terms: Alloys Cerium alloys Copper plating - Corrosion - Electrolysis - Electrolytic analysis - Electroplating - Functional electric stimulation Magnesium Magnesium alloys - Multilayers - Oxidation - Plasmas - Protective coatings - Scanning electron microscopy - Sodium chloride - Surface testing Uncontrolled terms: AZ91 magnesium alloys - Benzotriazoles - Ceramic layer - Copper coatings Corrosion potentials Duplex coatings Electrochemical characterizations - Electroless copper - Electroless copper plating - Galvanic corrosion - Magnesium substrates - Multi-layer-coating - NaCl solution - Neutral salt spray - Order of magnitude - Plasma electrolytic oxidation - Pre-Treatment - Rough interfaces - SEM Classification Code: 702 Electric Batteries and Fuel Cells - 741.1 Light/Optics - 801.4.1 Electrochemistry - 802.2 Chemical Reactions - 549.2 Alkaline Earth Metals - 804.2 Inorganic Compounds - 931.2 Physical Properties of Gases, Liquids and Solids - 932.3 Plasma Physics - 933.1 Crystalline Solids - 813.2 Coating Materials - 547.2 Rare Earth Metals - 461.5 Rehabilitation Engineering and Assistive Technology - 482.2

Minerals - 531.1 Metallurgy - 539.1 Metals Corrosion - 423.2 Non Mechanical Properties of Building Materials: Test Methods - 539.2.2 Protecting Materials - 539.3.1 Electroplating - 542.2 Magnesium and Alloys - 544.1 Copper - 539.3 Metal Plating
Database: Compendex

7、标示原文线索:用中文标示各检索结果的著录事项 第一篇文献: 一 、 篇 名 : Comparative feasibilities of processes for the destruction of organochlorines: Base-catalyzed dechlorination, sodium metal, hydrogen and electrolytic reduction processes 二、第一责任者:Davies.W.A 三、第一责任者单位:Univ of Sydney, Sydney 四、文献来源:Transactions of the Institution of Chemical Engineers, Part B, v 72, n 2, p 113-115, May 1994 第二篇文献: 一、篇名:New method for the selection of sodium and calcium specifications in alumina 二、第一责任者: Fortier.Francois 三 、 第 一 责 任者 单 位 : Alcan Smelters and Chemicals, Jonquiere, Canada 四、文献来源:Light Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania), p 435-440, 1995 第三篇文献: 一、篇名:Characterization of a multilayer coating prepared by combining plasma electrolytic oxidation, electroless copper and BTA passivity on a magnesium alloy 二、第一责任者: Jiang.Y.F 三、 第一责任者单位: College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, Jiangsu Province, China 四、文献来源:Magnesium Technology, p 151-153, 2010, Magnesium Technology 2010 - Held During TMS 2010 Annual Meeting and Exhibition


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