The results showed that HVI lube base oils with good oxidization stability could be prepared by high pressure hydrotreating or solvent refining medium pressure hydrotreating along with solvent dewaxing.

• 中型试验结果表明 ,采用高压加氢处理、溶剂精制 -中压加氢处理技术 ,配以溶剂脱蜡可以制取氧化安定性好的 HVI润滑油基础油 ;