1) pre-desilication
预脱硅
1.
The effects of lime addition and pre-desilication on the composition of red mud were mainly studied.
36的一水硬铝石型铝土矿进行了常规拜耳法和石灰拜耳法的溶出对比研究,主要分析了石灰添加量和预脱硅对铝土矿溶出赤泥成分的影响。
2.
Importance of intensifying pre-desilication under existing production conditions of Zhongzhou Aluminum Plant is stressed.
提出了中州铝厂在现有生产条件下 ,实施强化预脱硅的重要性 ;针对预脱硅过程的影响因素 ,进行了大量研究。
3.
The paper presents the test of pre-desilication,digestion and settling and separation of red mud with bauxite containing higher content of ferric oxide,compared with current bauxite used in Bayer process.
通过对氧化铁含量较高(与现行生产相比)的铝土矿,采用石灰拜耳法生产方法,进行预脱硅、溶出、赤泥沉降分离三个主要工序的试验研究,结果表明:铝土矿中氧化铁含量增加,对预脱硅影响不大,脱硅率约25%;氧化铝溶出率略低,赤泥产出率增加4。
2) Pre-Desiliconization
预脱硅
1.
A leaching process for the pre-desiliconization of bauxite ore by high concentration NaOH solution under the atmospheric pressure was studied.
探讨了常压下高浓度NaOH浸取铝土矿的预脱硅过程中初始NaOH浓度、反应温度、浸出时间和碱矿比等因素对氧化铝、氧化硅浸出率及剩余固相中铝硅比的影响,并得出动力学方程。
3) predesilication
预脱硅
1.
The study of producing refining solution of seed precipitation by enhanced predesilication and normal-pressure desilication;
强化预脱硅加常压脱硅生产种分精液的研究
2.
The paper emphatically reviews the present conditions of research on predesilication of midlow grade bauxite using processing methods.
概要评述了中低品位铝土矿预脱硅的研究现状，对现有的预脱硅方法———物理选矿法、化学选矿法和生物选矿法脱硅的原理及特点进行了简要的分析，在此基础上对铝土矿预脱硅的发展趋势进行了探讨。
4) predesiliconi-zation under common pressure
常压预脱硅
5) desiliconization preheating exchanger
脱硅预热器
1.
The metallic oxide solid particles have been applied to the desiliconization preheating exchanger to solve the silica sediment problem, and the on line cleaning has been investigated.
将无机非金属材质的球形惰性固体颗粒引入铝土矿溶出粗液预热脱硅系统中 ,研究液固循环流化床在线清垢方法 ,解决脱硅预热器硅渣结垢严重、清洗费用高、劳动强度大等问题。
6) Roasting silica pre removal
焙烧预脱硅
补充资料：设备安装前的准备工作——设备的预装配与预调整
设备安装前的准备工作——设备的预装配与预调整 | ||
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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