solvent deasphalting

Aromatic extract oil can be utilized in many chemical fields, e.g. it can be used as active additives in vacuum distillation unit and solvent deasphalting unit, rubber extender oil and process softening agent in rubber industry, thermal conducting oil and printing ink solvent.

炼油厂重质芳烃油有多种化工用途，可作为蒸馏工艺强化剂、优化溶剂脱沥青工艺添加剂、橡胶工业的橡胶填充油和工艺软化油、工业导热油、黑色油墨溶剂油等。

互联网摘选

The authers has studied the phase characteristics and phase equilibrium of SDA ( solvent-deasphalting) of Dagang residue-I C 4 and Dagang residue mixed with some CCDO ( catalytic cracking decant oil)-I C 4 system under subcritical conditions systematically.

系统地研究了大港渣油－异丁烷体系及混有催化裂化澄清油的大港渣油－异丁烷体系在亚临界条件下，溶剂脱沥青过程的相特性及相平衡。

互联网摘选

The solvent extraction severity for deasphalting of VR in DACC technology ( a combination process of VR solvent deasphalting, ammonia from asphalt and DAO catalytic cracking) was studied.

前言：研究了“溶剂脱沥青-沥青制氨-催化裂化组合工艺”脱沥青的抽提深度。

互联网摘选

This paper summarizes the engineering design of process, equipments, automatic control and asphalt heater of the first supercritical mixed C_4 solvent deasphalting unit in China with a capacity of 200,000 metric tons per year.

本文从工艺、设备、自控、工业炉等四个方面总结了国内第一套生产能力为20×10~4t/a的超临界混合C4溶剂脱沥青装置的工程设计。

互联网摘选