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Synthesis, surface activity, and composition of dimeric petroleum sulfonates from low quality hydrocarbon feedstock

机译:来自低质量烃原料的二聚体石油磺酸盐的合成,表面活性和组成

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摘要

In the article we discuss the results of a comparison of interfacial activity and component composition data for petroleum sulfonates (PS) synthesized from an extract of selective N-MP refining of side stream II and for dimeric PS prepared from the same source in the presence of paraform (paraformaldehyde)a component responsible for the formation of disulfonic acids. The prepared technical anionic PS are characterized by a higher molecular mass (688 g/mol) and lower CMC values (40-fold for the mass 120 concentration and 500-fold for the molar concentration) relative to paraform-free sulfonation of hydrocarbons. Surfactants with low CMC values sourced from the low-quality multitonnage hydrocarbon feedstock are promising in a search of formulations for chemical flooding of reservoirs.
机译:在本文中,我们讨论从侧流II的选择性N-MP精炼的选择性N-MP精炼的提取物合成的石油磺酸盐(PS)的界面活性和组分组合数据的比较结果,并在存在的情况下 变形状动物(万变甲醛)一种组分,其负责形成二磺酸。 制备的技术阴离子Ps的特征在于,相对于无碳氢化合物的无晶圆磺化,较高的分子量(688g / mol)和较低的CMC值(对于质量120浓度为40倍,为摩尔浓度为500倍)。 来自低质量多型碳氢化合物原料的低CMC值的表面活性剂在寻找储层的化学洪水的制剂中有望。

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