separation of water from granulated slag

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A new technological approach to the granulation of slag melts of ...

2021年11月3日 Disintegration of vertically pumped slag melt, separation of metallic and graphite inclusions, and subsequent fine crushing of slag droplets are carried out by means of tangential and angular water-jet blows of the toroidal water blast generated in the diffusor (2)

Full article: Characterisation and leaching behaviour of

2021年12月16日 Therefore, this study aims to determine the contribution and leaching mechanism of the separate slag constituents of a water granulated iron silicate slag – glass (amorphous oxide), matte (copper sulfide), and

Effect of Water Granulation Conditions on Density and Grain Size

Water granulated slag for fine aggregate of concrete dif-fers from water granulated slag for cement, in that a high density granulated slag with a unit weight 1.45 kg/l or more is demanded

Current Development of Slag Valorisation in China

2014年2月19日 In China, different methodologies are used to granulate the BF slags. These mainly include INBA [2], TYNA [3], SG-MTC, and Jiaheng processes. These processes involve

Preface for Thematic Section: Slag Granulation

2019年5月31日 Water granulation of slag has some shortcomings when measured against increasingly stringent requirements for sustainable operations. As a “wet” process, water

Dry Slag Granulation: A Path to Improving the Safety and

2016年8月23日 Slag dumping and water granulation are the most commonly used slag treatment methods in the metallurgical industries. In both processes, water is present (by

A new technological approach to the granulation of

2021年11月3日 It is shown that the main advantage of the proposed HVG process is the provision of forced high-speed vortex convection of water, with the effect of vertical suction, crushing, and degassing of...

JPH04305040A - Separation of water in treating equipment of

PURPOSE: To compact an equipment and to reduce operating cost by pulling out water from the supernatant part in a storage tank of slurry of slag by a rotary strainer via a filter in the...

The mineralogy of air granulated converter slag

2020年10月29日 The increased V and Cr leaching indicate that granulated converter slag is more soluble in water than industrially cooled slag. The results show that it is not possible to create amorphous converter slag using air

SLAG - IRON AND STEEL - IBM

Odisha reported production of Granulated slag BF slag at 3,754,185 tonnes 1,406,656 tonnes, respectively. ... molten slag by means of high-pressure water jets. Quenching prevents crystallisation, thus resulting in granular, ... separation of metal and slag. Adequate granulation takes place and leads to good stability

Multifunctional granulated blast furnace slag-based inorganic

2022年12月1日 Semantic Scholar extracted view of "Multifunctional granulated blast furnace slag-based inorganic membrane for highly efficient separation of ... Multifunctional stable PDA/RGO/MOFsSiO2-COOH membrane with excellent flux and anti-fouling performance for the separation of organic dye and oil/water. Yucheng Liu Zhi Huang +5 authors ...

Separation of Iron and Calcium from a BSSF Steelmaking Slag

2022年5月1日 After BOF slag was oxidized at 1300 ℃ for 240 min and cooled in the furnace (1 ℃/min), the grade of magnetic slag obtained by magnetic separation had a grade of 40.26%, a recovery of 70.95% ...

Copper Slag as a Source of Iron: An Overview SpringerLink

2024年7月5日 Cooling molten copper slag by immersing it in water creates amorphous granulated slag upon discharge from smelting facilities. This granulated slag is typically composed of small, well-defined, and angular particles, with sizes ranging from 4.75 mm to 0.075 mm (Gorai et al., 2003).

Slag Separation - an overview ScienceDirect Topics

Due to the success of water chilling for granulated blast furnace slag, ... (Zn) and (Pb) exceeded 99% at 1400 °C. After metal-slag separation, iron was enriched in the metallic part in which the zinc and lead contents decreased from 22 wt% and 1.12 wt%, respectively, to both less than 0.005 wt%. Apart from carbon, ...

Development of Refractory Material from Water Quenched Granulated

2016年5月11日 Request PDF Development of Refractory Material from Water Quenched Granulated Ferrochromium Slag ... Tripathy et al. (2013) Fe 3 O 4, followed by magnetic separation.

Sustainable and Comprehensive Utilization of Copper Slag: A

2023年4月21日 Large amounts of copper slag are produced every year and major fractions of it are currently disposed, not withstanding the multiple ways the material can be used. Application of the slag is often limited by the presence of hazardous elements and their leaching behavior so they can potentially pollute soil, surface water and underground water. To remove such

BOF Steel Slag: Critical Assessment and Integrated Approach for ...

2021年9月24日 During steel production, the impurities in the hot metal react with the fluxes forming the steel slag. Chemical constituents of this steel slag (SS) are relevant to iron/steelmaking or blended cement manufacture. Harmful impurities present in it, however, limit its recycling to these applications. Japan, Europe, and the US consume a significant amount of

Comprehensive Utilization Technology of Steel Slag

2019年5月23日 The advantages of this technique are that there is no need to treat the slag with water and that the granulated slag completely enters the covered boiler, ... Condensation, breakage, and separation of slag and steel are completed simultaneously in the roller. After many years of exploration, ...

Processing of Waste Copper Converter Slag Using Organic Acids

2020年3月23日 An innovative, economical, and environmentally sound hydrometallurgical process has been proposed for recovering Cu, Ni, and Co from copper-rich converter slag by organic acids. In the leaching experiments, the effects of organic acid concentrations, pulp density, temperature, and time were investigated. Optimum recovery of 99.1% Cu, 89.2% Ni,

Full article: Characterisation and leaching behaviour

2021年12月16日 The settled slag is water granulated when tapped from the furnace. ... and thereby contributes to their leaching although their contents were reduced by remelting and separation of Cu inclusions and Zn vaporisation.

Comprehensive utilisation of blast furnace slag - Taylor Francis

2023年7月21日 1.1.2 The Lhasa method (RASA) The Lhasa method (RASA) water granulated slag treatment system was developed by Nippon Steel Pipe and the British trading company RASA and was first applied on blast furnace No. 1 at Fukuyama Steel Works in Japan [Citation 4].The principle of the RASA method is that after the blast furnace slag has been water

Granulated Blast Furnace Slag - ScienceDirect Topics

Liquid blast furnace slag cooling regimes traditionally include air-cooling, granulating (wet), expanding, and pelletizing, and result in four distinct types of blast furnace slag: air-cooled slag, solidified under ambient conditions; granulated slag, solidified by quick water quenching to a vitrified (glassy) state; expanded or foamed slag, solidified with controlled quantities of water ...

Recovery of metal from slag/mixed metal generated in ferroalloy

2005年1月6日 The small quantity of metal recovered (1%) did not justify the treatment of slag. 5.2. Studies with enriched granulated slagThe “enriched granulated slag” was also beneficiated through the same process route as mixed metal. The sample was subjected to two-stage crushing to reduce the size to −10 mm and screened at 1 mm.

Ceramic membrane synthesis based on alkali activated blast furnace slag

2016年11月1日 Ceramic membrane synthesis based on alkali activated blast furnace slag for separation of water from ethanol. Author links open overlay panel Mohammadreza Azarshab, Farzaneh Mohammadi, Hojjatollah Maghsoodloorad, Toraj Mohammadi. ... [24], granulated slag [22] and fly ash [25], [26] are used as the base material of geopolymer gel.

Identification of the Elemental Composition of Granulated Blast

2022年10月22日 At the same time, granulated blast furnace slag or its mixtures with fly ash act as compaction agents, binders and water repellents and change the soil behavior [16,17]. The presence of calcium (CaO) in granulated blast furnace slag helps to reduce the setting time and increase the compressive strength of clay soil [ 18 , 19 , 20 ].

The potential utilization of slag generated from iron- and

2019年10月29日 Along with iron and steel production, large amount of slag is generated. Proper management on the iron- and steelmaking slag is highly demanded due to the high cost of direct disposal of the slag to landfill, which is the most adopted management approach. In this article, the potential application of iron- and steelmaking slag has been reviewed, which included the

Ferrochrome slag: A critical review of its properties, environmental ...

2023年1月15日 Following the separation process of metal from slag, the slag that originates from water cooling is granulated into size fractions mostly less than 4.75 mm, whereas the slag that yields from air cooling is converted into size fractions of 8–20 mm (Al-Jabri, 2018).

Dry slag granulation: producing valuable by-products from waste

However, water granulation consumes large volumes of water and may generate acid mist causing air pollution. More importantly, the wet process does not recover the large amount of high-grade heat contained in molten slag. On cooling from around 1500 °C to ambient temperature, one tonne of molten slag releases about 1.8 gigajoules (GJ) of heat.

SLAG - IRON AND STEEL

production of BF slag, Granulated slag and Steel slag at 1,141,810 tonnes, 868,395 tonnes and 772,476 tonnes, respectively. Bokaro steel plant reported production of 748,836 tonnes of Slag. Bhilai steel plant reported production of 1,557,343 tonnes Granulated slag. KIC Metaliks reported production of 19,400 tonnes of Granulated slag. Sky Alloys

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