stone coal

Study on the Extraction of Vanadium Pentoxide from Stone Coal Ore

从石煤矿中提取五氧化二钒的工艺研究

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This machine produces all kinds of hollow brick with coal stone . rock . coaIash or adhesion soil.

该机适用于煤矸石、岩、煤灰以及粘土等原料生产各种空心砖.

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A New Technology for Recovering V_2O_5 from Stone coal Ash

石煤灰渣中提取五氧化二钒的新工艺

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The advantages of lime stone-gypsum FGD method are as follows: The content of sulphur in the applyed coal is width, high desulfurization efficiency, the limestone source is abundant and cheap, no artifactitious contamination for producing limestone absorbent etc.

湿式石灰石&石膏法具有适用煤种含硫量范围广、脱硫效率高、石灰石来源丰富且廉价、石灰石吸收剂无加工污染等优点。

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Liu Xiao-rail transit railway, built in the Stone Town have made 500,000 tons of coal stations.

孝柳铁路过境, 并在石庄镇建有50万吨发煤站.

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The combustion characteristics of stone coal are similar to anthracite coal and worse than anthracite.

石煤的燃烧特性与无烟煤相近,但比无烟煤差.

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A new technology forV _ 2 O _ 5 from stone coal ash and the optimal technological conditions article.

研究了从石煤灰渣中提取五氧化二钒的新工艺及最佳工艺条件.

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The Vacuum Draw-out and Discharge System of Stone Coal

石子煤真空抽取排放系统的研究和应用

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At present, the industry of extracting vanadium from stone coal in China still has many problems such as tatty equipment, low recovery rate of vanadium, low utilization rate of stone coal, high producing cost, and serious environmental pollution.

现阶段，我国石煤提钒工业存在设备简陋、钒回收率低、资源利用率低、生产成本高、环境污染严重等一系列难题。

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Test on passing stone gate actual mining in combined mining thick coal seam

厚煤层综采跨石门回采的尝试

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The lime-stone rocks bed up against the coal. This social stratum is unstable;

石为岩层紧靠着煤矿层。这个阶层是动摇的阶层；

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A study on composition of stone coal cinder thermal insulation material

石煤渣保温材料的配方研究

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