| |
[推荐]焦油破乳剂物化法处理合成废水
[IMG=www.chembbs.com.cn|201709211153113pce.jpg]799232_20151016072832192400_1.jpg[/IMG]
焦油破乳剂物化法处理合成废水
1.由相关研究可知，物化法主要涉及水力旋流技术、加热处理法与粗粒法。其中，就目前情况来看，加热处理法是经济性最强的一种破乳工艺。加热之后，可有效降低乳化液中的油相黏度，在融化界面膜的基础上，使得乳化剂界面强度得以一定程度的降低，实现油、水分开的目的。
2.通过加热油包水型乳化液，...
http://www.polymer.cn/bbs/Portal/ForumTopic.aspx?PageID=63354 |
| |
[推荐]焦油破乳剂的合成与改良效果
[IMG=www.chembbs.com.cn|20170919041331wgrp.jpg]799232_20151016072832192400_1.jpg[/IMG]
焦油破乳剂的合成与改良效果
焦油劣质化程度的加深要求必须生产适应当前商品油生产标准的焦油破乳剂，研发性能好、润湿渗透性好的焦油破乳剂是发展的必然要求。为使焦油破乳剂达到生产的需要，对现有的破乳剂进行改良，不断提高破乳剂的分子质量，提高脱水率等是比较有效的方法。
对破乳剂的不断研究下，破乳剂的分子含量比以前有了...
http://www.polymer.cn/bbs/Portal/ForumTopic.aspx?PageID=63336 |
| |
[推荐]焦油破乳剂合成原理
[IMG=www.chembbs.com.cn|2017091904113531nd.jpg]b17eca8065380cd7425c1bc4ab44ad345982815d.jpg[/IMG]
焦油破乳剂合成原理
1.从化学方面讲，原油破乳剂的研究主要是以非离子型为主要，通过对传统的破乳剂进行改进，形成新型的高效焦油破乳剂。对传统焦油破乳剂的改进方法主要是以改头、换尾、扩链为主。
2.改头是指使用合适的具有活泼氢的起始剂，对起始剂的深入研究，已经从原来的单一性转变为多样化。
3.换尾是指运用...
http://www.polymer.cn/bbs/Portal/ForumTopic.aspx?PageID=63335 |
| |
有机合成方法数据库ChemKey Search Database
The ChemKey Search computer database has been compiled over a 35 year period by Professor Albert Padwa and now contains 90,000 references chosen from all the major organic journals. Particular attention has been devoted to heterocyclic chemistry, synthetic methodology, asymmetric synthesis, natural product synthesis, reactive intermediates, organometallic chemistry, stereochemistry, etc. Available...
http://www.polymer.cn/resource/13060resource.html |
| |
SPRESIweb (化学反应、合成方法库网络版)
SPRESIweb is a chemical structure and reaction database that provides direct access to over 5,0 million structures, 3,7 million reactions and 28 million factual data (physical constants, reaction conditions) and keywords, extracted from 600.000 references and patents.
http://www.polymer.cn/resource/13015resource.html |
| |
液相法合成甲醇的技术报告(免费)
Liquid Phase Methanol - LaPorte Process Development Unit - 1984 to 2003
http://www.polymer.cn/resource/12925resource.html |
| |
有机合成文献综述数据库Synthesis Reviews(免费)
Thieme Chemistry publishes three chemistry journals SYNFACTS, SYNLETT, and SYNTHESIS covering all fields of synthetic organic chemistry. All manuscripts are peer-reviewed by experts in the field, processed using state-of-the-art technologies and are accessible in electronic and printed format.
http://www.polymer.cn/resource/12724resource.html |
| |
Organic Syntheses(有机合成手册), John Wiley & Sons(免费)
Organic Syntheses procedures may be accessed either via the tables of contents of individual volumes ("journal mode") or by conducting structure and keyword searches ("database mode"). Specific in dividual procedures can be accessed via the table of contents for either the original annual volume or collective volume in which the procedure appeared. "Database mode" allows users to simultaneously se...
http://www.polymer.cn/resource/12581resource.html |
| |
上海: 上海市合成纤维研究所
【简介】 上海市合成纤维研究所建于1964年，其前身为1958年建立的上海合成纤维实验厂，是全国最早从事合成纤维制造与加工技术研究的科研单位，也是中国国家纺织工业局（原纺织工业部、中国纺织总会）重点科研单位之一。经过四十多年的发展，上海市合成纤维研究所已经具有在合成纤维制造工艺技术及相关的设备、测试技术、信息技术和加工助剂等领域进行综合开发研究的能力。研究对象主要涉及涤纶、锦纶、丙...
http://www.polymer.cn/resource/12217resource.html |
| |
拉脱维亚有机合成研究所
【简介】The Latvian Institute of Organic Synthesis was founded in 1957 as Institute of Organic Synthesis of Latvian Academy of Sciences. The Latvian Institute of Organic Synthesis is involved in fundamental studies in the field of organic (O-, S- and N-heterocycles, betaines), bioorganic (peptides, prostaglandins, membrane active substances), organoelement (organic compounds of silicon, g ermanium...
http://www.polymer.cn/resource/11644resource.html |
| |