Concentrates of vitrinite, semi-vitrinite and fusinite are separated from Xinglong- zhuang coal by centrifugal method with heavyliquid.
通过重液离心分离法将兴隆庄煤分为镜质组、半镜质组、丝质组的富集物。
2
Production situation and market of heavyliquid wax were analyzed. The Suggestions for further development of liquid wax in our country were put forward.
另外，对国内重液蜡生产现状与市场进行了分析，并就今后液蜡生产提出了若干建议。
3
High purity heavyliquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.