Removal and Determinaion of Heat Stable Salts in Amine Slution Used in Gas Desulfurization [PDF]
摘要采用胺液脱硫是石油天然气工业常用的方法。胺液在脱硫过程中由于降解等原因导致热稳态盐(HeatStableSalts,简称HSS)的产生和积累,进而引起胺液发泡、胺液脱硫效率下降、过滤器寿命减短和设备腐蚀等严重后果,造成重大的的经济损失。本论文就脱硫胺液中热稳态盐的去除和检测提出新的方法。设计出采用电解水去除热稳态盐的电化学装置,建立了检测脱硫胺液中的热稳态盐的电渗析离子交换-离子色谱法。本论文共分为三章:第一章介绍了热稳态盐的形成及危害,评价了现有关于热稳态盐的去除和检测方法 ...
吴述超
core
某酒厂附近的换流站RTV绝缘子出现憎水性快速失效的现象。为深入分析换流站RTV绝缘子憎水性下降机理,本文对酒厂附近不同地点的RTV绝缘子试样开展自然积污实验,并采用了憎水性测试、不同湿度下的耐压试验、傅里叶红外光谱试验、液相色谱质谱联用试验分析特殊污秽的影响及成分,并通过特殊污秽人工模拟老化试验进行验证。结果显示,RTV样品的憎水性下降速度与距离酒厂的距离呈现负相关关系;距离酒厂越近的RTV样品耐压值下降速度越快。傅里叶红外光谱试验及液相色谱质谱联用试验结果表明,涂层污秽表面生成了-OH基团 ...
何继厚 +8 more
doaj
Discussion on effective enzymatic hydrolysis of cellulose [PDF]
纤维素酶解可为生物质基的能源与化工品开发提供必需的水溶性还原糖。实验以浓磷酸解结晶处理结合纤维素酶-β-葡萄糖苷酶混合酶液的协同酶解,构建了一种高效酶解方法。实验结果表明,酶水解的最佳条件为:酶液质量浓度为0.062 5 Mg/M l,底物质量浓度为12.5 Mg/M l,P H为4.8缓冲溶液,酶解温度为50℃,转速为120 r/MIn。解结晶MCC结合协同酶解方法作用120 H和解结晶麦草结合协同酶解方法作用120 H,产物得率均得到大幅提高。Enzymatic hydrolysis can ...
张景强, 李清春, 林鹿
core
[Determination of glucose in exhaled breath and saliva by ion chromatography]. [PDF]
Xu JJ, Lou CY, Zhuo YH, Zhu Y.
europepmc +1 more source
[Advances in the application of ion chromatography-mass spectrometry in the fields of life and health]. [PDF]
Yi YX, Jin MC.
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[Design and application of a gas-liquid separator for the removal of carbon dioxide in the eluent of an ion chromatography system]. [PDF]
Peng YH +4 more
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[Applications of ion chromatography for the analysis of Chinese herbal medicine components]. [PDF]
Zhang B +5 more
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[Ion chromatography-pulsed amperometry method for determination of trace hydrogen sulfide in air]. [PDF]
Gao XJ, Ni T, Shen R, Shi CO.
europepmc +1 more source
[Application of ion chromatographic fingerprint analysis for quality evaluation of tobacco flavors]. [PDF]
Xu GY +9 more
europepmc +1 more source

