有机溶剂蒸汽可以从气流(烟雾)通过活性炭进行吸附。
Organic solvent vapors can be recovered from an air stream (fume) by adsorption on granular activated carbon.
更能有效吸附水中的游离氯、酚、硫、油、胶质、农药残留物和其他有机污染物,余氯、半脱氯值,以及有机溶剂的回收等。
More effective adsorption of free, phenol, sulfur, oil, resin, pesticide residues and other organic contaminants, dechlorination half the value, as well as recycling of organic solvents.
对于原料药和成药的色谱步骤的具体要求,包括吸附剂和展开溶剂,在具体各论中给出。
Specific requirements for chromatographic procedures for drug substances and dosage forms, including adsorbent and developing solvents, are given in the individual monographs.
采用溶剂萃取和吸附精制的方法对山城紫苕中的天然色素进行提取和分离。
The natural pigments from purple potato of Shancheng were extracted and analysed by solvent extraction and adsorption.
天然气脱水方法有低温分离法、溶剂吸收法、固体干燥剂吸附法。
Methods for dehydration of natural gas includes the low temperature separation method, solvent adsorption method, and solid desiccant adsorption method.
通过以上研究发现,MOF508对有机溶剂分子的选择性吸附效果更明显。
From the above results, the selective adsorption of organic solvent molecules was more effective in the MOF508.
结果表明,框架物比表面积的大小与吸附有机溶剂分子的量成正比关系。
The results showed that the amount of organic solvent molecules adsorbed was positive to the specific surface area of MOFs.
热失重分析表明,不同溶剂与酚醛树脂的竞争性吸附导致树脂在石英表面平衡吸附量存在差异。
Thermo-gravimetric analysis (TGA) shows that competitive adsorption between phenolic resin and various solvents results in different equilibrium adsorption quantity on silica surface.
实验发现在硅烷化处理时,选择不同极性的溶剂对复合光催化剂的吸附性能有显著影响。
It was found that the polarities of the solvents in the silylanization have great influences on the adsorbability of photocatalyst composite.
本文对有机溶剂的回收方法,如吸附法、吸收法、冷凝法和膜分离法等的研究进展与应用进行了综述。
The research progress and application of technologies for organic solvent recovery, such as adsorption, absorption, (condensation), and membrane technology, are reviewed.
这些溶剂在活性炭上的冲洗作用很不同于在极性吸附剂上的冲洗作用。
These solvents give very different eluting actions on active carbon as compared with the elution on polar adsorbents.
方法:用纯净水提取,溶剂萃取,大孔吸附树脂和硅胶柱色谱分离等方法分离并纯化亚麻根的微量成分,通过波谱分析鉴定化合物的结构。
Method: Isolation and purification of the trace constituents were carried out mainly by solvents extraction and macroporous adsorbing resin and silica gel column chromatography.
而从具有最低恒沸点的混合溶剂中吸附溶质时,吸附量与溶剂组成的关系与直线呈负偏差。
From constant boiling mixtures with a minimum, the adsorption of solutes also varies with the composition of mixed solvents, but a negative deviation is observed.
当在面罩内可闻出溶剂气味时,表明所用的吸附剂已失去作用,应及时更换。
When one can smell out the odor of solvent, it shows the adsorbent is disabled, and it needs to be replaced immediately.
更能有效吸附水中的游离氯、酚、硫、油、胶质、农药残留物和其他有机污染物,余氯、半脱氯值,以及有机溶剂的回收等。
More effective adsorption of free chlorine, phenol, sulfur, oil, resin, pesticide residues and other organic pollutants, chlorine, dechlorination half the value, and the recycling of organic solvents.
本文研究了硅胶和活性炭从二元混合溶剂中吸附苯甲酸和蒽。
In this paper, we have studied the adsorption of benzoic acid and anthracene from binary mixed solvents; on silica gel and activated carbon.
方法首先用溶剂萃取结合大孔吸附树脂分离,然后用硅胶柱精制提取。
Methods Silica gel superfine process was conducted by combining solvent extraction and separation with macroporous absorbent resin.
用萃取剂N_(235)(多种叔胺混合物)浸渍大孔苯乙烯-二乙烯基苯吸附树脂(SDAR)制备了溶剂浸渍树脂(SIR)。
Solvent impregnating resins (SIR) have been prepared by impregnating macroporous styrene-divinylbenzene copolymer adsorption resins (SDAR) in the solution of extracting agent N235.
方法采用提取溶剂和吸附树脂的筛选进行提取和分离。
Methods Tests were carried out to select the best absorbent resin and extracting solvent.
对石油化学实验中所使用正庚烷溶剂的回收方法进行了对比,实验表明,采用氧化铝作为吸附剂效果良好,方法简便易行。
By contrasting with many retrieving methods of normal heptane in petroleum chemistry experiment this paper showed that alumina is a good sorbent, both simple and convenience.
采用乙酸乙酯为溶剂,粉状活性炭吸附精制异山梨醇粗品,得出适宜的精制条件,其精制品质量符合USP2 4版质量标。
Using ethyl acetate as solvent, isosorbide can be refined with actived carbon, the suitable condition can be obtained and the product quality meets the quality standard of USP24.
结果以甲醇为溶剂,用索氏提取器提取经大孔吸附树脂分离,提取效率最高(2 。0 0 % ) ;
Results The highest extract rate(2.00%) was got through the method of continuous distillation, then seperating different parts by adsorbent resin.
海水中的铀与吸附剂都是溶剂化的,二者接近以后,逐步共用一部分液膜,吸附剂上的羟基与带负电荷的铀质点结合成表面羟基化合物。
Both uranium and the adsorbent are solvated in seawater. They gradually share a part of their liquid membrane when coming into contact forming a surface hydroxyl compound, thus lowering the ?
吸附剂和溶剂消耗低,整个分离过程不涉及到化学反应。
An adsorbent and a solvent have low consumption and the whole separating device does not relate to chemical reactions.
而且,进一步研究了吸附量与溶剂浓度的关系,发现在保留情况下,其吸附量的对数与流动相中置换剂的摩尔浓度之间成线性关系。
It was also found there exists a linear relationship between the logarithm of adsorbed amount and molar concentration of the displacing agent of mobile phase.
而且,进一步研究了吸附量与溶剂浓度的关系,发现在保留情况下,其吸附量的对数与流动相中置换剂的摩尔浓度之间成线性关系。
It was also found there exists a linear relationship between the logarithm of adsorbed amount and molar concentration of the displacing agent of mobile phase.
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