氧化焙烧是解决低品位复杂难选菱铁矿的有效前处理工艺,氧化焙烧参数对焙烧效果影响很大。
Oxidation roasting was a pretreatment technique for low-grade and complex siderite, the parameters of oxidation roasting were important to roasting efficiency.
难选铜钼矿难于浮选的原因主要是矿物表面被氧化。
Copper molybdenum minerals is difficult to float because surface of the copper molybdenum minerals is oxidized.
提出采用常压活化氨浸处理我国东川铜矿低品位难选氧化铜矿取代加压氨浸的新工艺。
A new technology of atmospheric activating ammonia leaching for extracting copper from Dongchuan's copper oxide ores has been advanced instead of pressure ammonia leaching.
采用湿式氧化技术研究高盐度、难降解农药废水在湿式氧化反应中COD去除率的影响因素及色度的去除效果。
The influence factors of chemical oxygen demand (COD) and removal effect of chroma during the wet air oxidation of degradation-resistant pesticide wastewater with high salinity were investigated.
有毒有害、生物难降解的高浓度有机废水治理的高级氧化技术。
Advanced oxidation technologies for the toxic, bio-refractory, and highly concentrated waste water treatment.
介绍了难浸金矿用焙烧法、加压氧化法和细菌氧化法预处理的原理、工业实践及几种方法的技术经济比较。
The paper introduces the principle, industrial practice and comparison of technical economy to pretreat refractory gold mineral through roasting, pressure and bacterial oxidation.
从热力学角度分析了碱性(石灰)热压氧化预处理难浸金矿的可能性,并对其过程机理进行了动力学分析。
The possibility of pretreatment of refractory gold ores by alkaline(Lime) hot press oxidation was analyzed by thermodynamics and the dynamic analysis of mechanism in its process was presented.
接触氧化段较高的溶解氧对难降解的松脂加工废水有较好的处理效果。
Therefore, maintaining highly dissolved oxygen in the contact oxidation reactor has a high efficiency for the treatment of rosin processing effluent.
介绍了难浸金矿石堆式细菌氧化—氰化炭浸提金的基本试验方法和结果。
The method and result of leaching of gold ore heap bio oxidation cyanidation CIL process was introduced.
针对难选氧化锌矿的特点,对氧化锌矿的氨浸动力学和反应机制进行了研究。
Based on characteristic of refractory oxide zinc ore, the kinetics and reactive mechanism of ammonium leaching have been studied.
细菌氧化预处理难浸金矿由于其环境友好成本较低,受到越来越多的重视。
Bacterial pre-oxidation refractory gold ore has showed many advantages, such as low operation cost and environment friendly.
试验结果表明,长期施用有机肥料和秸秆还田可明显促进土壤有机质和易氧化有机质的积累,而难氧化有机质和KOS值降低。
The research showed that the organic matters and active organic matters increased obviously, but the inactive organic matters and KOS value decreased with long-term application of organic fertilizer.
研究了二氧化氯催化氧化法在处理难降解有机化工废水中催化剂的选择和实验条件的优化。
Optimization of catalysts and experimental conditions for chlorine dioxide catalytic oxidation of refractory wastewater under normal pressure and temperature were studied.
介绍了缺氧-好氧-接触氧化法处理难降解焦化废水的工艺原理、污泥的培养驯化及试运行效果。
The combined biochemical process includes three sections: anaerobic biochemical reduction, aerobic biochemical oxidation and contact biological degradation.
研究了钴、镍在硫酸盐、碳酸盐、硫化物、易溶硅酸盐、铁氧化物及难溶硅酸盐相态分析的新流程。
A new procedure is used in the phase and state analysis of cobalt and nickel in sulphate, carbonate, sulphide, easy dissoluble silicate, ferric oxide and hard dissoluble silicate phases.
汤丹难选氧化铜矿的选矿是一个世界难题。
The mineral processing of Tangdan refractory copper oxide ores is a worldwide difficult problem.
光催化氧化降解水体中有机污染物也是近年来兴起的一项新型水处理技术,能有效地降解废水中的难降解有机物,但因其对光源要求较高等因素限制了它的使用。
Photochemical catalysis technology has risen in recent years and can effectively degrade the hardly-degraded organic pollutants, but it is limited because of its high standards for light sources.
氧化焙烧是解决低品位复杂难选菱铁矿的有效前处理工艺,氧化焙烧参数对焙烧效果影响很大。
The effects of temperature, time, air frequency and different fluxes on the recovery rate of molybdenum for oxidation roasting on low grade molybdenum ore are discussed.
论述了煤泥氧化后对可浮性的影响及改善难浮煤泥浮选效果的可行途径。
The paper gives an account of the influence of oxidized coal slime on its floatability and the way to improve the performance of flotation treating such slime.
提出采用原地钻孔浸铜技术开采大冶铜山口难采、选氧化铜矿的设想。
Tentative idea about application of in-situ leach mining process in oxidized ore of trouble in mining and processing at Daye Tongshankou Copper Mine was introduced.
同时论述了焙烧氧化、热压氧化、生物氧化和化学氧化等难选冶矿石预处理技术的现状及发展趋势。
It also presents recent status and prospects of pretreatment processes such as roasting, pressure oxidation, biooxidation and chemical pretreatment.
本发明涉及一种低温硫化转化难选复杂氧化铅锌矿的方法。
The invention relates to the method of the low temperature sulfuration translating the bad choosing complex oxidation lead zinc mine.
分析难处理金矿难浸的原因,指出该类金矿浸出前必须进行预先氧化,才能取得理想的浸出效果。
Reasons hard to leach for refractory gold ore are analyzed. Pretreatment by oxidation method can obtain good results.
论述了化学选矿新工艺处理铜绿山铜矿低品位高含泥难选氧化铜矿石的可行性;
The oxidized copper ore of Tonglushan Copper-iron Mine has low copper grade and abundant mud, and is hard to treat.
简述了云龙难选氧化银铜矿的性质,论证了酸浸—硫化沉淀浮选工艺的可能性及工业试验结果。
The properties of Yun Long refractory silver-copper ore are summarized. The feasibility as well as the pilot test result of the acid leaching-sulfide precipitation flotation process is demonstrated.
叙述生物冶金法处理难浸含金硫化矿的优点及所用微生物种类,浸出的机理和方法研究与细菌氧化厂的工业应用。
Biometallurgy, roasting and pressure oxidation are generally used to pretreat the refractory gold containing sulfide ores or concentrates. The advantages of biooxidation were presented in the paper.
臭氧氧化作为一种有效的深度处理技术,对难降解有机废水具有良好的降解功效。
Study on in-depth treatment of dirty ballast water from oil tankers by ozone oxidation;
针对难选氧化锌矿的特点 ,对氧化锌矿氨浸过程进行热力学分析。
The ammonia leaching process of zinc oxide is thermodynamically analyzed based on the feature of refractory zinc oxide minerals.
针对难选氧化锌矿的特点 ,对氧化锌矿氨浸过程进行热力学分析。
The ammonia leaching process of zinc oxide is thermodynamically analyzed based on the feature of refractory zinc oxide minerals.
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