尾矿

This article discussed the use of tailings resources which must be addressed, and the use of tailings resources relevant policy recommendations.

论述了尾矿资源化利用必须解决的问题，并就尾矿资源化利用提出了相关政策建议。

The effect of pre-treatment of the asbestos tailings on the acid leaching reaction of asbestos tailings was studied.

本文就石棉尾矿的预处理对石棉尾矿与酸反应效果的影响进行了研究。

Use copper tailings to make colour sand, which can be used in buildings as decorated material s.

研究了铜尾矿资源综合利用的新途径，利用铜尾矿研制彩色石英砂，使其成为一种装饰材料应用于建筑工业。

The results show that the plant communities naturally colonizing on the wastelands markedly increased enzyme activities (urase, arylsulfatase, alkaline phosphatase and dehydrogenase) in the upper layer of the tailings (0~5 cm).

结果表明，自然定居在尾矿废弃地上的植物群落类型能够显著影响表层尾矿中(0~5cm)的脲酶、芳基硫酸酯酶、碱性磷酸酶和脱氢酶的活性。

The metal tailing applied test in desiccated circumgyrate kiln of 2500t/d as mineralizer and substitute of clay, indicates metal tailing can increase cement output by 10.07%, save coal by 8.29%, decrease dissipative electricity by 4.88%, the economic, social and environmental benefit is very obvious.

尾矿代粘土和矿化剂在2500t／d新型干法回转窑生产线上的应用结果显示，尾矿配料能使水泥产量增加10.07％，节约煤耗8.29％，降低电耗4.88％，经济效益、社会效益和环境效益显著。

To the collophanite of certain region, Liaoning Province, the content of P_2O_5 was 19.50% and MgO was 6.87%. Using MG as collector to reversely float dolomite, its concentrate can be upgraded to 24.68%(P_2O_5), and the P_2O_5 grade of concentrate of sodium oleate as collector was only 21%. Simultaneity, the recovery of P_2O_5 of concentrate was 83.20%; the tailing contained P_2O_5 only 10%, it obviously declined compareing with sodium oleate.

对于辽宁某地胶磷矿(原矿含P_2O_5 19.50％，MgO 6.87％)，使用MG药剂及单一反浮选工艺，可获得P_2O_5品位24.68％的精矿，较传统的油酸钠提高约3个品位，磷回收率83.20％，而尾矿P_2O_5品位仅为10％左右，比油酸钠等的尾矿P_2O_5有明显下降。

The feasibility of producing forsterite refractory with hi-silicon iron tailings and hi-magnesium raw material was discussed, the synthesis reaction process was studied by laboratory experiment, and the method of producing forsterite refractory and lightweight forsterite refractory by use of iron tailings were offered.

论证了利用鞍山地区高硅型铁尾矿和高镁原料合成和制备镁橄榄石材料的可行性，实验研究了合成反应过程，提出以铁尾矿生产镁橄榄石耐火材料和轻质保温耐火材料的方法。

A lot of hematite and martite lean intergrowth is existed in magnetic concentration tails in concentration mill of Laiwu mine Co ,Ltd For recovering these iron mineral the medium intensity magnete separator is used,and the comprehensive metal recovery factor is increased by an average 1 17%,the grade of tails is decreased by 0 5%~1 0%,the profit is up to 0 77 million yuan

莱矿选矿厂磁选尾矿中含有大量赤铁矿、假象赤铁矿贫连生体，为回收这部分铁矿物，采用了中磁场分选设备，使综合金属回收率平均提高 1.17%，尾矿品位降低 0 。5 %～ 1.0 %，年经济效益 77万

The article analyzed the actuality,value and availability of these gangues,which conduces to develop the comprehensive utilization in ferrous metal industry.

分析了我国黑色金属矿尾矿现状及其价值和可利用性，有助于推动我国黑色金属矿尾矿、冶炼渣资源综合利用工作的开展，对治理生态环境有重要的意义。

In the paper the main topics are:(1) to analyze the chemistry composition, the X-ray diffraction, the DTA, and the functions of all raw materials;(2) to define the best direction for producing glass and foam glass, and the best burning technical process;(3) to characterize the unit weight and thermal conductivity of foam glass;(4) to analyze the reason of bubbling up, including the influence factor of temperature, time and so on;(5) to discuss the reasons of leading to shortcomings.There is high content quartz (SiO2) in the two gangues from gold mine and potassium feldspar mine respectively. They can be used to prepare glass, because the quartz (SiO2) is the main raw material.

论文的主要内容包括：1、对矿山尾矿的湿化学分析，粒度、X射线衍射和热稳定性的分析，以及硼砂、碳酸钙及制备泡沫玻璃的玻璃粉、磷酸钠实验原料在实验中的作用进行分析；2、确定尾矿烧结成玻璃体和利用玻璃体烧结泡沫玻璃的最佳配方以及两次烧结的最佳烧成工艺条件；3、泡沫玻璃制品的体积密度和导热系数等物理性能的测定；4、泡沫玻璃的发泡机理分析，包括发泡温度、发泡时间、发泡剂的用量、稳定剂的用量及其它因素对发泡作用的影响；5、讨论造成泡沫玻璃成品各种缺陷的原因及其解决方法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。