Therefore, for the gray water recovery system in coal gasification process, bubble column is also a suitable type for hot water tower.
故鼓泡塔亦是较理想的热水塔塔型，可用于水煤浆气化系统。
2
The high salt medium is beneficial to organic concentration and preservation. The gray mudstone and shale in middle Shasi column was a kind of high quality source rocks in Dongying Depression.