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- The ability to stabilize asphaltene of DBSA,DP and DAL as the asphaltene dispersants in toluene/heptane solution was investigated by UV-Vis spectrum. 采用紫外-可见光谱法研究了沥青质分散剂对甲苯-正庚烷-沥青质体系中沥青质的稳定作用,通过黏度法考察了沥青质分散剂对沥青质溶液中胶束缔合度的影响。
- asphaltene dispersants 沥青质分散剂
- A technique for modeling asphaltene precipitation in oil. 原油沥青沉降模拟方法。
- The effectiveness of these dispersants followed the order: DBSA>DP>DAL. 三种沥青质分散剂的稳定作用顺序为DBSA>DP>DAL。
- During petroleum thermal conversion, asphaltene yields coke via the second liquid phase and the carbonaceous mesophase. 在石油热转化过程中,沥青质经由第二液相和碳质中间相转化为焦。
- By analyzing the feature component of crude oil, the asphaltene inhibiter which is fit for TaHe oil field is developed. 针对塔河油田原油和析出物的特征组分，成功研制了适合于塔河油田胶质沥青质的抑制剂和清除剂。
- Like the asphaltene and the carbonaceous mesophase, the second liquid phase is treated as a solubility class w... 与沥青质和碳质中间相类似,第二液相也是一种溶液度类物态,其工作定义为甲苯(或苯)不溶而为喹啉(或吡啶)可溶物。
- The retardation of asphaltene aggregation was found to be in the order: DBSA>DP>DAL. 三种沥青质分散剂抑制沥青质胶团聚并强弱顺序为：DBSA>DP>DAL。
- DBSA had the best effect on the asphaltene aggregation and the relative viscosity was increased with the addition. DBSA浓度较大时，沥青质胶束没有明显的聚并，同时使得沥青质溶液的相对黏度增加明显。
- The content of asphaltene, colloid and sulfur decreases, and H/C increases after upgrading process. 胶质、沥青质、硫质量分数降低，H/C原子比提高，超稠油得到一定程度的改善。
- It is also noticed that asphaltene is the main active component and it converts to maltene, gas and char in SCW. 沥青质是轻质化反应的主要组分，它发生两极分化反应生成轻油和残焦。
- The adsorption characteristics of 6 CWS dispersants on 14 coals surface were studied. 研究了6种水煤浆分散剂在14种不同变质程度煤上的吸附作用特征。
- The CWS rheology of high rank coal depends mainly on the structure and property of the dispersants. 变质程度高且灰分较低煤浆的流变性,主要依赖于分散剂的结构与性质;
- The presence of dispersants and detergents increase the foaming tendency of crankcase oil . 在场的分散剂和洗涤剂增加发泡趋势曲轴箱油。
- Influence of varius dispersants on fluidity of corundum based self-flow castable are studied in this article. 研究了多种减水剂对刚玉质自流浇注料流变性能的影响。
- The article introduces the above ashless dispersants and their main producers at home and abroad. 文中概述了上述几种无灰分散剂及其国内外的主要生产厂家;
- Test shows that the relationship between the weight loss of asphaltene and temperature conforms with one stage reaction kinetics. 试验表明,沥青质失重与温度的关系符合一级反应动力学。
- In printing ink to include all types of pigment dispersants, immunointensifier, antiblowing and cocatalyst. 边印油不朱也参加百般颜料不合散剂、增不弱剂、消泡剂等助剂。
- The variation of composition,temperature can cause organic solid precipitation of wax and asphaltene and then bring serious problems in the production. 注气过程会改变原有体系的组成、温度等热力学条件,而诱发蜡质、沥青质等有机固相沉积问题,给生产带来严重的危害。
