A new type of complex flocculant PBKD is prepared from coal refuse and pyrite slag, and is used as flocculant in the treatment of tanning waste water.
以煤矸石及硫酸烧渣做原料，制备了一种新型复合絮凝剂PBKD，并将其用于制革废水的处理。
In-door planting experiment was carried out to study the influence of the mining offal, using coal refuse and fly ash as the planting medium, on the crop of red soybean.
通过室内栽培试验，研究了煤矸石和粉煤灰作为培养基对作物生长的影响。
Extracting alumina from coal refuse, sintering cement clinker directly from residues and circulating waste gas and liquid is a unusual technology for utilization of coal refuse.
从煤矸石中提取氧化铝，并用残渣直接煅烧硅酸盐水泥熟料，同时作废气、废液循环，是煤矸石资源开发利用的新工艺。
Take new built mine seam for example, expound the advantages of leaving roadway fashion of concrete coal refuse cinder cement stone wall, and make analysis of technical economic.
以典型的新建煤矿煤层为例，阐述采用水泥煤矸碴胶泥砌筑石墙留巷方式的优点，并进行技术经济分析。
Based on analyzing of coal solid wastes such as refuse in heaps of Nantong Mining Corporation Ltd., this paper puts forward effective utilizing measure according to the property.
针对南桐矿业公司目前堆积在矸石山的煤矸石等煤炭固体废弃物进行取样分析，并根据其性质提出可有效利用的途经。
Therefore, medium and small coal enterprise often have excuses for miners refuse to treatment, and refuses to recognize is occupational disease.
为此，中小煤炭企业常已各种借口为由拒绝为矿工治疗，并拒绝承认是职业病。
The refuse derived fuel (RDF) was made from mixture of Xuzhou Jiahe coal and municipal domestic refuses with a steel piston mold under room temperature.
采用活塞钢模，室温下利用徐州市夹河煤和生活垃圾制备出了垃圾衍生燃料。
The fact that coal mine refuse of Yongcheng is sandy mudstone was confirmed by XRD.
经XRD证实永城煤矸石是砂质泥岩。
Surface subsidence and the discharge of refuse, wastewater and waste gas constitute the main impact of coal mining on the environment.
煤炭开采过程中对环境的主要影响有地表塌陷破坏和废石、废水、废气的排放。
For meeting the reeds of coal production and assuring engineering quality, thd key refuse bin of the flotating refuse system are reformed.
为了适应煤炭生产的需要，对选矸系统进行必要的改造，为了确保工程质量，对关键部件矸石仓进行行之有效的特殊处理。
Using GDT14/2.5G vibro_assisted jig replace selecting coal by hands can lift the rate of discharging refuse, improve separation, conditions, reduce production cost and increase the economic benefit.
以GDT1 4 /2 5G型动筛跳汰机代替人工手选，提高了排矸率，改善了分选条件，降低了生产成本，增加了经济效益。
This paper discusses a plant test at the Gan Baji Coal Preparation plant, Natung Coal Mine, involving a circuit for recovering pyrite from refuse of that plant.
本文介绍从南桐矿务局干坝子选煤厂洗选尾矸中回收黄铁矿的工业性试验生产流程。
This paper discusses a plant test at the Gan Baji Coal Preparation plant, Natung Coal Mine, involving a circuit for recovering pyrite from refuse of that plant.
本文介绍从南桐矿务局干坝子选煤厂洗选尾矸中回收黄铁矿的工业性试验生产流程。
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