roasting相关论文
一水硬铝石型铝土矿中铝硅的分离在氧化铝生产中具有重要意义.硫酸铵低温焙烧技术能有效提取矿物中的金属元素,本文以硫酸铵为提取......
The high calcium type stone coal from Hubei province was leached by water and dilute acid separately after being roasted......
Extraction of nickel and cobalt from low-grade laterites by sulphatization,roasting and leaching pro
Nickel Laterites remain important to the future supply of Ni and Co as they contain the bulk of known nickel and cobalt ......
This paper focused on investigating the roasting process of Bayan Obo tailings using coal-Ca(OH)2-NaOH....
The extraction of valuable metals from low-grade serpentinic nickeliferous laterites by sulphatizati
The extraction of nickel from nickeliferous laterites has attracted considerable attention of nickel industry during the......
A novel approach to extract Nb,Y and Ce from a niobium-bearing ore of low grade by roasting KHSO4-H2
In this work,a novel approach of leaching valuable metals,such as niobium,yttrium and cerium,from a niobium-bearing ore ......
Microemulsion leaching of vanadium from sodium-roasted vanadium slag by fusion of leaching and extra
The fusion of the leaching and purification processes was realized by directly using microemulsion as the leaching agent......
Mechanism of Lithium and Cobalt Recovery from Spent Lithium-ion Batteries by Sulfation Roasting Proc
Different from the traditional pyrometallurgical recovery process of Li and Co from spent lithium-ion batteries,a new re......
Decomposition of mixed rare earth concentrate by NaOH roasting and kinetics of hydrochloric acid lea
A new clean extraction technology for the decomposition of Bayan Obo mixed rare earth concentrate by NaOH roasting is pr......
In order to enhance the lead and zinc recovery from the refractory Pb-Zn oxide ore, a new technology was developed based......
A technology for recovering indium from Jinchuan copper-smelting ash was developed. Indium in the ash was first enriched......
A process of recovering Ge by chlorinating roasting was put forward. GeCl4 was separated and recovered from lignite ash ......
CaTiO_3 was decomposed by alkaline roasting method for the production of TiO_2. The process included alkaline roasting, ......
Decomposition reaction kinetics of Baotou RE concentrate with concentrated sulfuric acid at low temp
Baotou RE concentrate was decomposed with concentrated sulfuric acid by controlling the roasting temperature below 500℃......
By means of energy-dispersive X-ray spectroscopy(EDX) and scanning electron microscope(SEM)analysis,the phase structure ......
钼是重要的战略金属。目前随着钼需求的增加和钼矿资源的不断开采,我国钼矿资源日益紧缺,低品位钼矿将成为重点开采对象,其经济开......
所用氧化镍矿原矿含Ni 1.09%,Fe 9.12%,Mg O 29.08%,属于典型的镁质氧化镍矿。原矿主要物相为蛇纹石(利蛇纹石和纤蛇纹石)和铁矿物......
通过热力学计算得出温度为800,900 K时,不同Mo S2,Ca O,O2初始物质量条件下对应Mo S2-Ca O-O2体系的热力学平衡,确定辉钼矿石灰焙......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
A kinetic study on the sulfuric acid leaching of multi-metal oxide,which is the product of multi-metal copper alloy with......
针对目前红土镍矿碱法处理过程中存在的问题提出工艺改进,研究低品位红土镍矿焙烧活化-碱浸过程中含硅矿物的转化.考察了焙烧温度......
Mineral phase and structure changes during roasting of fine-grained carbonaceous gold ores and their
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Extraction of iron and aluminum from high-iron bauxite by ammonium sulfate roasting and water leachi
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Application of response surface methodology in optimizaing the sulfation-roasting-leaching process o
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Roasting-induced phase change and its influence on phosphorus removal through acid leaching for high
In the present study, roasting-induced phase change and its influence on phosphorus removal via leaching has been invest......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Consolidation mechanism of gold concentrates containing sulfur and carbon during oxygen-enriched air
Consolidation in calcines is a common problem in the oxygen-enriched air roasting of refractory gold concentrates contai......
Extraction of metals from complex sulfide nickel concentrates by low-temperature chlorination roasti
The recovery of valuable metals from complex sulfide concentrates was investigated via chlorination roasting followed by......
Alkaline digestion behavior and alumina extraction from sodium aluminosilicate generated in pyrometa
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Process mineralogy characteristics of acid leaching residue produced in low-temperature roasting-aci
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
本文介绍了某冶炼公司对脱砷焙烧+氧化焙烧处理复杂金精矿生产系统及提金系统部分设备在运行中存在的问题以及相应的改造方案和改......
根据目前国内石煤提钒焙烧设备均不够成熟的状况,尝试利用隧道窑对湖北某石煤矿进行了无盐焙烧试验,并进行了工业试生产.与其它焙......
The extraction technology of vanadium from stone coal by means of no-salt-roasting and dilute acid solution leaching tre......
An ever increasing demand for zinc has resulted in worldwide efforts to exploit complex and lean grade reserves of zinc ......
The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaCl-CaCl2 was studied by means ......
Application of response surface methodology in optimizaing the sulfation-roasting-leaching process o
Nickel was recovered from nickel laterite using a sulfation-roasting-leaching process and the effects of operation param......
Metal leaching from a low-grade nickel ore was investigated using an ammonium sulfate rasting-water leaching process.The......
Activation pretreatment of Cr-containing limonitic laterite ores by NaOH roasting to remove Cr,Al,and Si,as well as its ......
通过差热−热重实验和非等温分析法研究辉钼精矿的氧化焙烧动力学。结果表明:高温焙烧有利于辉钼矿的氧化,其初始氧化温度为450℃,......
以石英提纯过程中主要杂质矿物云母为研究对象,进行了焙烧、水淬和浸出试验,并对焙砂、浸出渣进行了XRD、SEM表征,对比研究了不同......
锰矿是重要的战略性矿产资源,在国民经济、社会发展中占据重要地位。我国选锰工艺相对成熟,针对不同地质成因的锰矿,都能取得良好......
采用焙烧-氨浸工艺从钼精矿中提取钼,主要考察焙烧对氨浸过程中Mo浸出率的影响,确定最佳的焙烧条件。并对氨浸前焙砂预处理的技术......
根据硼铁矿的化学成分和矿物组成,文章设计了硼铁矿清洁、高效及综合利用的工艺流程。该工艺通过硫酸铵焙烧硼铁矿,矿物中的镁、铁......
Reaction behaviors of Pb and Zn sulfates during reduction roasting of Zn leaching residue and flotat
To evaluate the feasibility of recovering Pb and Zn sulfides and Ag-containing minerals from Zn leaching residue by the ......
Tin recovery from a low-grade tin middling with high Si content and low Fe content by reduction–sulf
A new method for separating and recovering tin from a low-grade tin middling with high Si content and low Fe content by ......
为研究烘焙对花生过敏原Ara h 1潜在致敏性的影响,采用高离液序列盐溶液从鲜花生和烘焙花生中提取总蛋白,通过十二烷基硫酸钠-聚丙......
随着环保要求越来越高,金矿资源日趋贫、细、杂,选矿难度越来越大,尾渣的资源化利用成为研究热点。针对焙烧氰化尾渣中金的提取,根......
In the present study, the kinetics of thermal decomposition of hydrated minerals associated in natural hematite iron ore......
通过试验确定了原料配比及其它工艺参数.实践证明,在合理的原料配比和工艺条件下,可以生产出质量上乘的干法氧化铁红.......
