ether value
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In calculation with this model, epoxide value of diglycidyl ether of 1,2-cyclohexandiol could be predicted,which depended on mole ratio of 1,2-cyclohexandiol, epichlorohydrin and catalyst.
利用该模型可以从原料CHD,ECH和三氟化硼-乙醚的配比预测产物的环氧值。
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The optimum conditions are as follows: the / 1.0, temperature 55.0℃, pH value 8.0 for the autolysis process and the amount of petroleum ether 75mL, pH value 4.0, temperature 40℃ and time 20 minutes for the extraction one.
结果表明,在最优自溶酶解工艺/=1.0,t=55.0℃,pH8.0和最优萃取工艺:萃取时间25min,石油醚量为75mL,萃取温度40℃,pH4.0下提油率为56.42%。
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But, at present, the production of a soil displacement agent from heavy alkylbenzene sulfonate and petroleum sulfonate as oil displacement agent, there were still some problems as the instable quality, produce scale. It is necessary to develop a feasible production process of arylalkyl sulfonate, alkylated diphenyl ether sulfonate and fatty alcohol ether sulfonate as they can be used as oil displacement assistant in some special oil reservoir. In which Because their abundant raw material, big changeability of structure, high electrolyte tolerance, especial strong calcium tolerance, fatty alcohol ether sulfonate has huge industrialized value.
指出重烷基苯磺酸盐和石油磺酸盐作为三次采油的主表面活性剂,目前在工业化生产中仍存在一些问题,产品质量不太稳定,需进一步改进生产工艺技术,提高产品质量,扩大生产规模;芳基烷基磺酸盐和烷基二苯醚磺酸盐可作为助表面活性剂用于特殊的油藏条件,有必要尽快开发可行的工业化生产工艺;脂肪醇醚磺酸盐类表面活性剂的原料来源丰富,分子结构可变性强,耐电解质能力强,尤其是耐钙能力强,应用领域广,极具工业化价值。
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ether value:醚值
ethereal oil 香精油 | ether value 醚值 | ether peroxide 醚过氧化物