roast reduction process

Reduced iron powder was obtained by converting copperas to ferrous carbonate with(NH_4)_2CO_3,followed by reduction roasting with anthracite as reducer and CaCO_3 as additive.

提出了一种新的绿矾综合利用的途径,即绿矾经碳酸盐转化,然后采用无烟煤作还原剂,CaCO3为添加剂,进行高温还原焙烧制取还原铁粉。

Zinc calcine contains a small amount of refractory zinc ferrite that can be reduced by reduction roasting.

锌焙砂含有少量难溶的铁酸锌 ,通过还原焙烧可以降低铁酸锌含量。

The experiment of reduction roasting of strontium sulphate ore is carried out on a fluidized bed with the cross sectionof 0.

３ｍ，处理量为６０～７０ｋｇ／ｈ的流化床装置上进行了还原焙烧硫酸锶矿（天青石）的试验研究，获得焙烧操作的最佳工艺条件，锶矿还原率达７５％～７８％，吨产晶焙烧煤耗１。

By analyzing and researching utilization of BF dust,a technology of dealing with the BF gas slime adopting the containing carbon pellet direct roasting reduction method was put forward.

通过对攀钢高炉粉尘利用的分析研究,提出了采用含碳球团直接还原焙烧法处理高炉瓦斯泥的工艺。

The optimal pa-rameters of roasting reduction in reduction atmosphere with a metallization rate up to more than 80% were determined by orthogonal method.

在还原气氛下进行了红土贫铁矿的还原焙烧实验,采用正交实验设计方法,以C/O、焙烧时间和焙烧温度为因素,在还原气氛下得到了最佳工艺条件为:C/O是0。

The feasibility of roasting reduction method to dezinc the Zn bearing BF dust was proved by energy spectrum analysis and differential thermal(DT) and thermo gravimetric(TG) analysis firstly.

通过能谱、差热及热重分析等验证了用还原焙烧的方法脱除高炉含锌粉尘中锌的可行性。

Investigation of extracting iron from pyrite cinder by reductive roasting;

用还原焙烧法从硫铁矿烧渣中提取铁的研究

Reductive roasting is .

采用还原焙烧工艺对内蒙黄岗高锡铁精矿的处理进行了研究,考察了主要工艺参数对脱锡效果的影响。

The reductive roasting of carbon-containing laterite by heating in microwave field has been studied.

研究了含碳红土矿在微波场中的加热还原焙烧,考察了不同含碳量情况下微波加热焙烧过程中的样品温度和产物的物相组成,以及浮氏体、磁铁矿和赤铁矿等不同价态的铁氧化物在微波场中的加热性能。

A SIMULATION STUDY ON THE PRE-REDUCTION AND CALCINATION PROCESS OF LATERITE ORE IN ROTARY KILN

回转窑预还原焙烧红土矿工艺模拟研究

Research of Magnetic Reduction Roasting of Low Grade Ferromanganese Ore

磁化还原焙烧工艺处理贫锰铁矿的研究

Abstract: Zinc calcine contains a small amount of refractory zinc ferrite that can be reduced by reduction roasting.

文摘:锌焙砂含有少量难溶的铁酸锌，通过还原焙烧可以降低铁酸锌含量。

RECOVERY OF RARE-EARTH MINERALS FROM TAILINGS OBTAINED AFTER THE REDUCTION ROAST AND MAGNETIC SEPARATION OF BAO TOU IRON ORES

从包头铁矿石还原焙烧磁选尾矿中浮选回收稀土矿物

Research on Physicochemical Fundamental and New Technology of Tin, Zinc-Bearing Complex Iron Concentrate Pellets by Weak Reduction Roasting;

含锡锌复杂铁精矿球团弱还原焙烧的物化基础及新工艺研究

Pelletization,Reducing Roast and Magnetic Separation Tests of Mixture Fine Ore of Qijiang-type Hematite and Siderite

綦江式赤菱混合矿粉矿造球还原焙烧磁选试验研究

Test research on roasting-low intensity magnetic separation of oolitic hematite ore in Zhangjiakou area

张家口地区鲕状赤铁矿还原焙烧-弱磁选试验研究

Roasting-Magnetic Separation and Direct Reduction of a Refractory Oolitic-Hematite Ore;

难选鲕状赤铁矿焙烧—磁选和直接还原的研究

Application of Electricity Heat Rotary Calcine of Cooling Kiln in MnO_2 Reductive Reaction

电热式焙烧冷却炉在二氧化锰还原中的应用

The Change of hot strength of iron ore pellets during oxidizing roasting and reduction was researched.

研究了球团矿在氧化焙烧和还原过程中抗压强度的变化规律。

Effect of Calcination Temperature on the Reduction Kinetics of Iron-Based Fischer-Tropsch Catalyst

焙烧温度对费托合成铁基催化剂还原动力学的影响

Study on Extracting V_2O_5 from Vanadium-containing Stone Coal by Process of Ore Roasting-alkaline Pressure Leaching

石煤提钒原矿焙烧-加压碱浸工艺研究

SYNTHESIS OF ZSM-5 ZEOLITE FROM CALCINED KAOLIN

以焙烧高岭土为原料合成ZSM-5分子筛

The strength variation of pellets during oxidizing roast was studied with a high temperature compressive tester with adjustable atmosphere.

通过还原反应后的高温抗压强度研究估算了球团矿焙烧中必要的强度。

fluosolids roasting

流(态)化燃烧, 沸腾焙烧

Optimized baking process of anode baking furnace in Huasheng Al. Smelter

华圣铝业阳极焙烧炉的焙烧工艺优化

Simultaneous Determination of Sb and Bi in Roasted Molybdenum Oxide by Hydride Generation-Atomic Fluorescence Spectrometry

氢化物发生-原子荧光光谱法同时测定焙烧氧化钼中铋和锑

Freeman-Nichols roaster

弗里曼－尼科耳型焙烧炉