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is of great significance. Vacuum steam stripping of methyl isobutyl ketone (MIBK) and methyl ethyl ketone (MEK) from cathodic electrophoretic emulsion was studied. The effects of mass ratio of vapor to feed (V... flow, vacuum degree and feed temperature.Key words:vacuum steam stripping; environment friendly emulsion paint; waterborne coating; methyl isobutyl ketone; methyl ethyl ketone......
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and kinetics of methyl isobutyl ketone (MIBK) extraction resin for adsorption and separation of zirconium and hafnium were studied under the different conditions of acidity, initial total.... Key words: equilibrium; kinetics; adsorption; methyl isobutyl ketone; extraction resin; zirconium; hafnium; separation ......
标志码:A 文章编号:1672-7207(2013)02-0469-06 Separation of butanone and methyl isobutyl ketone by batch distillation LI Xiao, WU Dingyu, QIU Yunren (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: The separation of butanone (MEK) and methyl isobutyl ketone (MIBK) mixture by constant reflux batch......
oxidation method-leaching gold-extracting gold with methyl isobutyl ketone (MIBK)-stripping gold" process. The statistical methods were used to analyze the impact of different factors on the extraction... extraction rate can reach as high as 96.1%. At last, the organic phase is stripped with solution of oxalic acid (5%) to get sponge gold. Key words: Au; methyl isobutyl ketone; factorial design; waste......
as collector and methyl isobutyl carbinol (MIBC) as foaming agent. The effect of the amount of collector and foaming agent, the type and the mount of inhibitor agent and dispersing agent were investigated... polyacrylate as inhibitor. Key words: flotation; lithium-ion battery; lithium cobaltate; methyl isobutyl carbinol 锂离子电池因为具有能量密度高,无记忆性,密度低,寿命长等优点而被大量数码产品的厂商所采用,并且受到了广大消费者的喜爱[1].但是,锂离子电池在被大量使用的同时,其报废量也迅速增加.一方面......
that a limited number of extractants and extraction systems have been used for the extraction and separation between hafnium and zirconium, such as methyl isobutyl ketone (MIBK) [7], Cyanex 302 [8], Cyanex 923... using the mixture of diisobutyl ketone (DIBK) and tributyl phosphate (TBP) as the extractant was developed. This extraction process was investigated experimentally as a function of the amount of TBP......
with methanol to methyl carbamate (MC)), the reaction kinetics can be described as the first order with respect to the concentrations of both methanol and urea. For the second reaction of DMC synthesis... of DMC is 135 kJ/mol. The highest yield of DMC is 23%. Key words: macro-kinetics; dimethyl carbonate; urea; methanol; methyl carbamate 1 Introduction Dimethyl carbonate (DMC), as an important green......
甲基异丁基酮负载泡塑富集-原子吸收法测定金 魏连喜1,徐文胜2,陈佩锋1 (1.黑龙江省有色地质勘查研究总院,黑龙江,哈尔滨,150046;2.湖南地勘局,湖南,长沙,410015) 摘要:用甲基异丁基酮(MIBK)负载泡塑从5%~25%的王水介质中吸附富集金,经2%硫脲~1%盐酸解脱,以原子吸收法测定.金的回收率大于99.8%,方法用于含金地质样品的分析时,效果较泡塑吸附好.用火焰原子吸收法测定w(Au)为19.40×10-6的金标样,验证分离富集方法的可靠性.结果其平均值为19.32×10-6,相对标准偏差(RSD)为1.15%(n=11). 关键词:火焰原子吸收法; 分离富集; ......
甲基异丁基甲酮萃取磷钼杂多酸-钼火焰原子吸收光谱法间接测定钢中磷 黄小凤1,陆建平1,石建荣2,马柳军2,彭剑1 (1.广西大学化学化工学院,广西南宁,530004;2.广西华锑化工有限公司,广西南宁,530241) 摘要:在0.01~1.0 mol/L的盐酸介质中,磷酸根与钼酸铵形成磷钼杂多酸,用甲基异丁基甲酮萃取,以火焰原子吸收光谱法测定磷钼杂多酸中的钼,据此建立了一种间接测定钢中微量磷的新方法.选择溶解体系为王水+HF+H2O2;萃取条件为:5.0 mL的甲基异丁基酮,振荡时间为3 min,2.0 mL 20 g/L钼酸铵溶液.当磷的含量在0.04~1.00 mg/L范围内时,吸光......
