1) coal tar refining
煤焦油精制
1.
Summarizes the history evolution, status in quo and development of coal tar processing, introduces the domestic process and equipments evolution technologies of coal tar refining and products deep processing, also with the related new technologies which are introduced into our home these years.
对煤焦油加工的历史沿革、现状与发展进行综述,重点介绍国内煤焦油精制及其产品深加工的工艺与设备改进技术与近年引进的有关新技术,旨在新技术能为我所用,提高煤焦油加工产品的质量,增加产品品种,尤其在节能降耗、环境保护方面有所得益。
2) New Techniques of Coal Tar Refining
煤焦油精制新技术
3) Coal tar refined soft pitch
煤焦油精制软沥青
1.
Distribution and Heat Stability of Nitrogen and Sulphur in Coal Tar Refined Soft Pitch
煤焦油精制软沥青中氮、硫的分布和热稳定性的分析
2.
The distribution and heat stability of nitrogen in coal tar refined soft pitch were discussed by element analysis,and unstable nitrogen was analyzed by IR.
以高温煤焦油为原料,经蒸馏、溶剂萃取沉降以制得煤焦油精制软沥青,再经溶剂索氏提取制备族组成;通过元素分析来研究杂原子氮的分布和热稳定性,通过红外光谱(IR)鉴别不稳定性氮基团的结构。
3.
Spectral Analysis of Structural of Heptane-Insoluble Toluene-Soluble from Coal Tar Refined Soft Pitch
以高温煤焦油为原料制备软化点为32℃煤焦油精制软沥青,再以庚烷、甲苯为溶剂超声萃取得庚烷不溶甲苯可溶物。
4) coal tar distillation
煤焦油精馏
5) prepared tar
精制焦油
6) kerosene rafflnate
精制煤油
补充资料：煤焦油间歇蒸馏(见煤焦油蒸馏)
煤焦油间歇蒸馏(见煤焦油蒸馏)
batch distillation of coal tar
meijiaoyou Jian珊zhen目iu煤焦油间歇蒸馏(batch distillation of coaltar)见煤焦油蒸馏。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条