Recovery of Zinc and Copper from Lead Slag by the Combined Process

The valuable metals copper and zinc were successfully recovered from a water quenched lead smelting slag containing zinc in Gansu Province This study focuses on the application of the direct reduction roasting flotation process for extracting these metals from the slag phase To comprehend the recovery principle of copper and zinc minerals in the slag

Ladle Furnace Slag Synthesis Properties and Applications

This paper reviews the production process the mineralogical and morphological properties stabilization techniques and the applications of ladle furnace LF slag such as free CaO as a flux in the secondary steel processing stage results in volumetric instability of the LF slag in the presence of water due to the formation of portlandite

Chapter 11 Iron and Steel Slags Springer

steelmaking plants Worldwide iron slag production in 2014 was estimated on the order of 310 370 Mt while steel slag was about 170 250 Mt [7] In the USA the steel produced via either the integrated manufacturing process BOF or the EAF processisapproximately 37and63% of total steel production respectively[7]

Production characterization and performance of green

Industrial by products; have received a lot of attention as a possible precursor for cement and/or concrete production for a more environmentally and economically sound use of raw materials and

Life cycle assessment on the vanadium production process

Sodium roasting production process accounts for over 90% of the V 2 O 5 production process from vanadium slag and is the mainstream vanadium production process used by sodium salts were added to the process The vanadium in the vanadium slag is converted to water soluble V 2 O 5 after oxidative roasting The product obtained roasted was

Energy environment economy evaluations of

During water quenching process high pressure water is employed to shatter the molten slag However the water quenching methods not only fail to recover the high temperature waste heat but also consume a huge amount of fresh water by the evaporation of 1000 1500 The main environmental impact came from the slag production process

Utilisation perspective on water quenched and air cooled

The process of production of slag by these two methods are shown in Fig 2 GBF slag is a non crystalline granular material that varies from the source to source depending on the quality of the raw material smelted as well as the method of production The process of granulation is a controlled rapid quenching of the BF slag in cold water

Resource utilization of solid waste carbide slag a brief

In the actual production process the acetylene generator first discharges the liquid carbide slag slurry with a water content of 5% to 95% After treatment it becomes a thick substance with slightly water After natural stacking it becomes a paste with about 50% water content

Energy environment economy evaluations of

It involves the slag granulation by high pressure water slag splitter from water slag transmission and slag drying The WQ systems are well commercialized and adopted to treat slag worldwide On the contrary the DSG system is still at the stage of research The main data for preliminary slag production process is reported in Table 3

Titanium production by magnesium thermal reduction in the

After Kroll process material requires several thermal post treatment steps to isolate pure titanium In industrial scale Ti production is done in confined stainless steel reactors of several cubic

Ferrochrome slag A critical review of its properties

Ferrochrome slag is a by product of the production of ferro chrome alloy an essential component in stainless steel The conventional process of ferrochrome making involves the carbothermic reduction of chromite ore where around tons of slag containing approximately 8 12% of chromium oxide is generated per ton of hot metal Jena and

Blast Furnace Ironmaking SpringerLink

Blast furnace slag is used in the form of water slag or dry slag in the manufacture of cement and other building materials Blast furnace gas is an important part of energy system in iron and steel complex enterprises and low production cost In terms of process operation and function the volume of blast furnace largely depends on the

PRODUCTION CHARACTERISTICS AND USE OF

Granulated slag and/or classified slag products are produced depending on the production process The slag products are mainly marketed in road and civil construction purposes but also in producing refractories where high pressure water breaks slag into Figure 2 Typical reduction reactions in the ferrochrome furnace 2 2 3 3 0 0166 % 0 0098 %

High Titanium Slag Preparation Process by Carbothermic

As the titanium industry rapidly develops low grade ilmenite resources are drawing global attention The direct use of low grade ilmenite can result in low production efficiency and heavy pollution In addition the production of high titanium slag via electric furnace melting consumes significant energy and possesses low production efficiency Therefore a

A Review of Granulation Process for Blast Furnace Slag

11ügranulated slag Figure 2 INBA process 4 Dry granulation process On the blast furnace slag treatment technology for a long time water quenching process has token the leading position However there are many defects of water quenching slag method which can be roughly concluded as follow a mass of sensible heat unrecovered high

Review on treatment technologies of coal gasification wastewater

Pulverized coal gasification wastewater is mainly generated from gas washing water and quench slag water which belongs to high temperature gasification wastewater The wastewater fully mixes with the back water after dissolved gas in the process of rising The N 2 flotation technology can avoid the production of benzoquinone pyridine

An Overview of Utilization of Blast Furnace and Steelmaking Slag

General overview of the slag production process and various characteristics of slags are introduced and the extents to which they are reused are addressed S V Dimitrova Metal sorption on blast furnace slag Water Research 30 1996 228â 232 [23] O Z Bayer G E Elif Preparation of ceramic wall tiling derived from blast

Production characterisation utilisation and beneficial soil

At the end of the process BFS can either be rapidly cooled with large volumes of water under high pressure to form water quenched slag or through slow cooling in air to form air cooled slag Different cooling conditions water quenched or air cooled will form different physicochemical characteristics of the BFS Tripathy et al 2020

Energy environment economy evaluations of

It involves the slag granulation by high pressure water slag splitter from water slag transmission and slag drying The WQ systems are well commercialized and adopted to treat slag worldwide On the contrary the DSG system is still at the stage of research The main data for preliminary slag production process is reported in Table 3

Utilisation perspective on water quenched and air cooled

It is concluded that water quenched slag is closely matching with the properties required to be utilised in Portland slag cement manufacturing process On the other hand air cooled slag is

A review of use of metallurgical slag for its carbonation

In response to the pressing global issue of reducing carbon emissions and the crucial technical challenges of fully utilizing steel slag researchers have been studying an accelerated carbonation process that entails the carbonation of basic oxides in steel slag to store CO2 However despite its promising potential the process has yet to see widespread

Hydrometallurgical Processes for the Recovery of Metals

Hocheng et al bioleached metals from EAF slag that was washed with water before bioleaching This reduced the slag s pH from to step electrodialysis process produces a ZnSO 4 solution with a low enough chloride concentration for an electrolytic zinc production process from leaching solutions of Zn bearing raw materials with up