1) oxidizingsulphidizing roasting
氧化-硫化焙烧
1.
If sulphide reagents exist, oxidizingsulphidizing roasting in weak oxidizing atmosphere will benefit FeAsS to decompose and low poison arsenicsulphur compound will form.
当有硫化剂存在时，在弱氧化气氛下进行氧化－硫化焙烧，将有利于ＦｅＡｓＳ分解，并生成毒性低的砷硫化物。
2) oxidized roasting of pyrite
硫铁矿氧化焙烧
3) Sulfidation roasting
硫化焙烧
1.
The process of chalcopyrite sulfidation roasting is investigated by using of the thermal analytical method and the X-ray diffraction method at lower temperature and with Ar gas protection.
结果表明,黄铜矿硫化焙烧转化为CuS和FeS2的最佳条件为:温度350～400℃;时间4h;粒度-74μm,矿∶硫=10∶1。
4) Oxidizing roasting
氧化焙烧
1.
The phase transformation and weight loss rate of ludwigite in oxidizing roasting were studied by DTA-TG,isothermal TG and XRD.
利用DTA-TG、恒温TG和XRD测试方法研究了硼铁矿氧化焙烧过程中的相变和失重率。
2.
The arsenolite cinders were treated by the processes of oxidizing roasting-pyrolusite pulp absorption,magnetizing roasting-magnetic separation and acid leaching.
采用氧化焙烧—软锰矿浆吸收、磁化焙烧—磁选、酸浸工艺处理砷华废渣。
3.
Germanium is recovered from gerichened vacuumn furnace slag of Shaoguan smelter using the flowsheet of ball milling neural leaching oxidizing roasting chloridizing distillation hydrolysis.
针对韶冶真空炉提锌产生的富锗渣 ,提出了“球磨 中性浸出 氧化焙烧 氯化蒸馏 水解”工艺回收其中的锗。
5) oxidation roasting
氧化焙烧
1.
Based on a great deal of researches for recovery of S, Fe and Zn from solid waste, a comprehensive utilization technique, including oxidation roasting-absorptio.
本文综述了从固体废渣中回收利用S、Fe、Zn的大量研究成果,同时考虑到原料来源、处理技术、经济效益等因素,采用氧化焙烧-软锰矿浆吸收、磁化焙烧-磁选、酸浸的方案实现砷华生产废渣的综合利用,并通过进一步的试验探索了设计方案的各项优化工艺参数。
2.
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.
实验研究了低品位钼精矿在氧化焙烧过程中温度、时间、通氧气次数、不同熔剂对钼的氧化转化率的影响。
3.
Oxidation roasting was a pretreatment technique for low-grade and complex siderite, the parameters of oxidation roasting were important to roasting efficiency.
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。
6) oxidation roast
氧化焙烧
1.
This paper presents that Cr,Si and Al in raw materials of magnetic cobalt-alloy are removed by oxidation roast method using NaNO 3and Na 2CO 3which are chemicals commonly adopted,and they are directly decomposed by H 2SO 4,since a technique combined to extraction is botained.
论述了使用常用化工原料NaNO3、Na2 CO3 进行氧化焙烧法除去磁钴合金料中的Cr、Si、Al,并直接用H2 SO4分解 ,从而得到与萃取除杂联接的工
2.
Oxidation roast test of iran's Mo concentrate in a rotary tube electric furnacehas revealed that physical and chemical properties of the concentrate has a great effect on itsoxidation roast performance, and in order to obtain satisfactory cinder from this type concentrate proper measures must be taken during roasting.
通过回转管电炉焙烧伊朗钼精矿的工艺试验，发现该矿的一些理化指标对其氧化焙烧过程具有很大影响。
补充资料：硫化焙烧
硫化焙烧
sulphidizing roasting
!luhuo bershQO硫化焙烧(sulphidizing roasting)矿物原料还原焙烧工艺之一，即难选金属氧化矿加入硫化剂在还原气氛下加热，使有用组分转变为固态金属硫化物(焙砂)的工艺过程。焙砂经物理选矿富集可获得合格精矿。常用的硫化剂为黄铁矿，也可用元素硫、硫酸钠、石膏等。还原剂用粉煤、焦炭。矿石经硫化焙烧处理后，能取得较好的技术经济指标，但此法生产费用较高，应用受到限制。氧化矿的硫化焙烧工艺与还原焙烧相似，只是炉料中需预先混入所需的硫化剂。 (熊志章)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条