The FTIR spectrum shows the ZJ coal's structure changes before and after deashing and swelling;
FTIR光谱表征了ZJ煤去灰前后和溶胀处理效果的结构变化；
Expenses for repairing and maintenance were reduced after the low frequency sound wave deashing device was used.
经采用低频声波清灰装置，减少了检修和维护的费用。
The results showed that HF acid has remarkable deashing capacity for coal and graphite with high Si and low Ca content.
结果表明，HF酸对高硅低钙含量的煤和石墨有显著的脱灰效果；
A new method of deashing was provided to solve the difficulty of flotation deashing by some special kind of reagent changing the surface nature of Zhungeer coal.
主要针对准格尔煤浮选降灰的难度，提出某种药剂改变准格尔煤表面性质，从而降低灰分的方法。
As a new development of mild coal cleaning, the desulfurization and deashing of coal by electrochemical oxidation of coal water slurry has received an increasing great interest abroad.
作为一种煤的温和化化学净化，煤的电化学法脱灰脱硫近期在国外引起广泛关注。
Juice purification, corn syrup deashing, beat sugar purification and sweetener decolorization are practiced daily in many ion Exchange Separations and Activated Carbon Adsorption installations.
采用离子交换分离装置和活性炭吸附分离装置进行果汁纯化、玉米糖浆脱灰、甜菜糖纯化、甜味剂脱色的工厂日益增多。
For effective desulfurization and deashing of high-sulfur coal with its use of usual magnetic separation device, a surface magnetism enhancement of coal-derived minerals is a new key technology.
煤系矿物的表面磁性强化是利用通常磁选设备实现高硫煤脱硫脱灰的新型关键技术。
For effective desulfurization and deashing of high-sulfur coal with its use of usual magnetic separation device, a surface magnetism enhancement of coal-derived minerals is a new key technology.
煤系矿物的表面磁性强化是利用通常磁选设备实现高硫煤脱硫脱灰的新型关键技术。
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