脱灰（Deliming）皮革工业术语。把浸灰过的裸皮脱出碱性材料，消去裸皮膨胀、有利后续工序的操作过程。
脱灰(Deliming)• 1.1 脱灰的目的将灰碱转变成可溶性盐而除去（包括化学结合和物理填充、 吸附的灰碱）消除灰碱裸皮的膨胀状态， 进一步除去纤维...
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De-ashing treatment could improve bio-oil yield and had great influence on components of the bio-oil.
脱灰处理除可提高生物油产率外,还对生物油组成有较大的影响。
参考来源 - 油料秸秆快速热解液化及生物油品质评价In this paper two kinds of typical agriculture waste were selected. Both peanut shell and rice straw were pretreated by deashing and salt addition.
本文选取两种典型的农业废弃物——花生壳和稻草,采用脱灰预处理和添加金属盐的方法,在热重分析仪上进行一系列的热解试验。
参考来源 - 预处理对生物质热解特性影响的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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；
The results showed that HF acid has remarkable deashing capacity for coal and graphite with high Si and low Ca content.
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.
利用SLon-100立环脉动高梯度磁选机对煤粉进行了湿法磁脱硫、脱灰的试验研究。
SLON-100 vertical ring pulsating high magnetic separator is used to do the experiment of the wet HGMS preliminarily desulphurization and demineralization of coal powder.
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