0086-21-58386256
Abstract Fluorite is widely employed as a fluxing agent in metallurgical processes, inevitably leading to severe pollution. In this study, to promote the development of sustainable metallurgy, B2O3 is used as a fluxing agent of CaO–SiO2–MgO–Al2O3–TiO2–Cr2O3 slag, acting as a replacement for CaF2. The …
Vanadium–titanium magnetite is a complex ore with iron, vanadium, titanium, and other valuable elements, and it is of great significance to recycle the valuable elements. HIsmelt smelting reduction of vanadium–titanium magnetite is a clean and effective ironmaking process. The effect of TiO2 content on the viscosity of …
Street, Taipingchong Village, Jiangbei District400026, Chongqing, China, gpyfff@126 Abstract: The article mainly introduces the raw material of the titaniferous slag smelting and the conventional and new metallurgical process of the titaniferous slag smelting. Through ana- ... reductant of the titanium slag smelting is the coke. 3. The ...
The elemental distribution and migration behavior are discussed in this work. In reduction experiments, the copper slag smelting liquid was divided into three layers: a reduction slag layer, a reactive boundary layer, and an iron ingot layer. Reduction slag and ingot iron were on the top and bottom of the liquid, respectively.
In China's Sichuan Province, the Pangang Group (now part of the Angang Group) is smelting local ilmenite concentrates to produce sulfate slag. Pangang constructed its first EAF in 2006 using Ukrainian technology [26] .
The titanium slag grade prepared from Panzhihua titanium concentrate through the electric furnace smelting method is not very high (*wt 75%) due to the presence of alkaline earth metal oxides in the titanium concentrate, e.g., MgO, CaO, and Al 2O 3. Further enrichment processes are essential to prepare high titanium slag, but these processes, …
China is the largest iron- and steelmaking slag producer in the world, and intensive efforts have been made during last decades for slag valorisation, including …
Mlinar et al. explain that direct current (DC) plasma arc smelting technology is used to produce titania slag at Tronox's Namakwa Sands, South Africa, and note that a variant of this technology is used at the same company's KwaZulu Natal (KZN) sands operation.Tronox states that the company relies upon intellectual property for their …
This paper demonstrates the results on the experimental smelting of the titanium rich slag and complex titanium-containing ferroalloy under the large-scale laboratory conditions that simulate industrial one. The technological researches of the process were performed on an ore-thermal furnace with 200 kVA transformer power. The …
Appropriate titanium slag composition during smelting of vanadium titanomagnetite metallized pellets [J] ... The results indicated that MnO addition could reduce the titanium slag viscosity. The activities of titania and silica in the slag decreased with the increasing MnO content. ... Transactions of Nonferrous Metals Society of China, …
Saudi FM discusses Gaza situation with China's Wang Yi; ... the US-based chemicals giant will acquire 90 percent of the Jazan-based titanium slag smelter facility, which has the capacity to ...
A novel direct-current electric arc furnace (DC-EAF) was designed and constructed in this study for experimentally investigating high-titanium slag smelting, with an emphasis on addressing the issues of …
China is the largest titanium producer and consumer. In order to move toward carbon neutrality ambition, it is critical to uncover China's overall titanium …
This paper proposes a new technique for preparation of high-grade titanium slag from Panzhihua vanadium titanomagnetite concentrate by reduction–melting–magnetic separation processing. Chemical analysis, x-ray diffraction, and scanning electron microscopy in conjunction with energy-dispersive spectroscopy were …
The titanium slag composition (%) is as follows: 32 TiO 2, 22 SiO 2, ... This leading company was the birthplace of China's vanadium and titanium industry and is located in Luanhe river town, Shuangluan district, Chengde city, Hebei province, China. ... In 1972 a new technology for smelting vanadium slag by direct alloying in an electric ...
More than 65% of ilmenite is smelted using electric furnaces worldwide and 85% in China, where it is the primary production method for ilmenite [ 6 ]. Ilmenite is …
amount of slag during smelting, which had a great influence on the cohesive zone in blast furnace. The XRD pattern of the sinter is shown in Fig. 1. The results indicate that the main phases included hematite (Fe 2O 3), titanomagnetite (Fe 2.75Ti 0.25O 4), perovskite (CaTiO 3) and so on. Titanium may also exist in hematite named titanium ...
HIsmelt is well suited for smelting vanadium–titanium magnetite due to its flexibility in feedstock selection and tolerance to high viscosity slag, compared with the blast furnace. In this work, the effect of smelting time on the distribution behavior and recovery rates of vanadium and titanium in HIsmelt smelting of vanadium–titanium magnetite …
With the depletion of rutile resource, titanium slag has become the main titanium-rich material to produce the metallic titanium and titanium white in China. The electric-furnace smelting has become the dominant process …
The company mines and processes titanium ore, zircon and other minerals, and manufactures titanium dioxide pigments that add brightness and durability to paints, plastics, paper, and other ...
The experimental results show that extending the smelting time increases the FeO content in the slag, the LV rose from 0.66 to 5.02, the LTi declined from 206.90 to 114.86, the shorter smelting ...
Titanium metal and alloy are key materials for technological development, which significantly promote the development of the high-tech economy in China. The consumption of high-end titanium materials and …
Extraction of titanium alloys from titanium oxide minerals involves carbothermic, aluminothermic, and silicothermic smelting routes. The carbothermic smelting of ilmenite produces pig iron and TiO 2-rich slag, where the operating temperature is about 1650 °C to 1700 °C.Smelting of pre-reduced ilmenite (≈ 60% metallization of Fe) …
China' s titanium resources, the primary titanium ore cannot be directly used to produce titanium dioxide, and the method of smelting titanium slag must be used to meet the needs. Usually, the EAF is used to heat and melt ilmenite, so …
Titanium slags produced through ilmenite electric furnace smelting contain 60–80%TiO2, a vital titanium resource in the titanium industry. The processing and utilization of titanium slag is faced with many challenges, such as complex mineral structures, high requirements, severe environmental pollution, and heavy additives and …
The optimum conditions for smelting vanadium titanomagnetite were about 11.38% content of MgO and quaternary basicity was about 1.10. The product, vanadium-bearing iron, can be applied in the converter steelmaking process, and titanium slag containing 50.34% TiO2 can be used by the acid leaching method.
Electric Smelting for Alternative Hot Metal. November 2022. Conference: Global Low-Carbon Metallurgy Innovation Forum 2022 & The 8th Baosteel Biennial Academic Conference. At: Shanghai, China ...
Vanadium titanium magnetite (V–Ti) ore is one kind of important polymetallic minerals in China and the mainstream route of comprehensive utilization process is blast furnace ... Distribution behavior of vanadium and titanium between hot metal and high titanium slag relevant to HIsmelt smelting condition. 2022, Journal of Materials …
China has been a dominant role in the global titanium supply chain. China also experiences rapid growth in titanium alloy products, while its average annual …
The 25000 kV·A electric furnace for titanium slag smelting at the Panzhihua Iron and Steel plant was developed in China in 2000 and is one of the largest in Asia. During smelting, ilmenite concentrate and a solid reducing agent (for example, anthracite coal or coke) are mixed in a certain proportion to reduce the smelt.
July 26 (Reuters) - Miner Rio Tinto (RIO.AX) said on Monday it planned to cut production at its BC Works aluminium smelter in Kitimat, Canada to 35% following a strike initiated by the Canadian ...
The blast furnace (BF) smelting of Ti-bearing iron ore occupies an appreciable proportion in hot metal production because of abundant titanomagnetite resources in China [1,2].
Chuxiong Notary Office of Yunnan Province, Chuxiong, China. 5. Kunming Metallurgy College, Kunming, China. a. 151688688@qq *Corresponding author: …
US titanium producer Tronox plans to acquire French metallurgy company Eramet's Norway-based TiZir Titanium and Iron business for US$300 million. The smelter has an annual titanium slag capacity of about 230,000t
The smelting reduction process of the ilmenite in an electric arc furnace (EAF) is a commonly used technology for producing titanium slag in the world. It has particular significance to analyze the velocity–temperature–electromagnetics multi-physical field in an EAF for improving its productivity and reducing energy consumption. A …
Wei Li. Miaoyong Zhu. A study on the melting and viscosity properties of the chromium-containing high-titanium melting slag (CaO-SiO2-MgO-Al2O3-TiO2-Cr2O3) with TiO2 contents ranging from 38.63wt ...
Gradually implementing these suggestions, the overall level of China's titanium industry will be greatly improved, thereby rapidly establishing an advanced scientific and technological country. ... F. Chen, and F.Q. Zheng, Effects of basicity and MgO in slag on the behaviors of smelting vanadium titanomagnetite in the direct reduction ...
Current situation and development trend of titanium metal industry in China. Guanzhou Qiu & Yufeng Guo. International Journal of Minerals, Metallurgy and …
Vanadium is recovered as a by-product from the ironmaking process, while the titania-bearing slag is discarded as an inconvenient waste stream. In China it is …