The rotary kiln-electric furnaceElectric furnace (RKEF) process is the main method for producing ferronickelFerronickel from nickel lateriteNickel laterite oreOre . ... Rao MJ, Li GH, Jiang T, Luo J, Zhang YB, Fan XH (2013) Carbothermic reduction of nickeliferous laterite ores for nickel pig iron production in China: a review. JOM …
The rotary kiln-electric furnace (RKEF) process is the primary method for extracting nickel from saprolite ores. In this technique, the ore is first calcined and pre-reduced at 850–1000 °C in a rotary kiln followed by smelting in an electric furnace at 1500–1600 °C (Eliott, 2015, Warner et al., 2006). The resulting crude ferronickel is ...
Tsingshan pioneered the large-scale use of nickel pig-iron, a semi-refined product that's a low-cost alternative to pure nickel, to make stainless steel. The major innovation was the Rotary Kiln Electric Furnace (RKEF) process which allows ore to be processed, smelted and directed into stainless steel furnaces in a continuous hot flow.
Nickel-cobalt hydroxide : Caron Reduction Roast-Ammonia Leach . Nickel oxide and nickel-cobalt sulphide : Rotary Kiln Electric Furnace Smelting . Ferronickel : Sintering/Blast Furnace Smelting . Nickel pig iron : Sintering/Submerged Arc Smelting . Nickel pig iron : Commercially Applied as Satellite Operations. Atmospheric tank teaching with ...
The metal is formed under semi-molten conditions in the laterite nickel rotary kiln. The material frit from the rotary kiln is granulated by water, and after grinding, the reduced nickel-iron alloy and frit is separated by re-election and magnetic separator. Advantages: 1. Energy saving: The main energy source for smelting in laterite nickel ...
Description of Lateritic Nickel Rotary Kiln: Our lateritic nickel rotary kiln is mainly used to smelt lateritic nickel ores so as so get nickel pig iron. So far Jiangsu Pengfei Group Co., Ltd has successfully carried out many projects in Ch
Pembuatan nickel pig iron (NPI) dengan teknologi blast furnace telah dilakukan di China ... menggunakan teknologi Rotary Kiln ... terdiri dari neraca nikel, rotary dryer, sintering, blast furnace ...
The nickel processing facility at Xinhai Industrial Park will an annual production capacity of 73,000mt. PT Vale Indonesia (PTVI) has partnered with Taiyuan Iron & Steel Group (TISCO), a subsidiary of China Baowu Steel Group (Baowu), and Shandong Xinhai Technology (Xinhai) to produce stainless-steel raw material nickel pig iron (NPI) …
pengolahan menjadi nickel pig iron (NPI). Produksi ferronikel dari bijih laterit secara pirometalurgi memerlukan energi lebih tinggi dibanding hidrometalurgi, karena pada prakteknya bijih laterit atau bijih pra-reduksi langsung dilebur ... rotary kiln, yaitu: evaporasi dari air, disosiasi dari mineral-mineral pada temperatur 7000C
Dalam mewujudkan targetnya dalam membangun 48 smelter, Indonesia memilih teknologi Rotary Kiln-Electric Furnace (RKEF) Tiongkok dibandingkan penggunaan teknologi dari perusahaan western. ... Sedangkan produksi Nickel Pig Iron (NPI) mencapai 797.900 ton setara 127% dari target, dan produksi nikel matte sebanyak 85.200 ton atau 118,8% dari …
In the case of nickel alloys, the GHG emissions for producing nickel metal, nickel oxide, ferronickel and nickel pig iron are 14, 30, 6 and 7 tCO2-eq/t alloy (i.e. 14, 40, 18, and 69 tCO2-eq/t Ni ...
The rotary kiln-electric furnace (RKEF) process is the main method for producing ferronickel from nickel laterite ore . However, this process is energy intensive …
Rotary kiln-electric furnace... Nickel is an important strategic metal, which is mainly used for stainless steel production. ... M. J. Rao et al., "Carbothermic Reduction of Nickeliferous Laterite Ores for Nickel Pig Iron Production in China: A Review," JOM, 65 (11) (2013), 1573–1583. Article Google Scholar
The technological process of producing nickel pig iron (NPI) ... Watanabe T, Ono S, Arai H et al (1987) Direct reduction of garnierite ore for production of ferro-nickel with a rotary kiln at Nippon Yakin Kogyo Co. Ltd., Oheyama Works. Int J Miner Process 19(1–4):173–187.
In 2011, the nickel production in China amounted to 446 kilotons, with the proportion of electrolytic nickel and nickel pig iron (NPI) registering 41.5% and 56.5%, respectively.
In the recent years, ferronickel has been used as a substitute for electrolytic nickel for allev... Ferronickel Preparation from Nickeliferous Laterite by Rotary …
Nickel pig iron (NPI) has a high C% and Si% due to intensive reduction reactions in the B/F. The proper operation requires feed agglomeration, and coke which is an expensive …
Ferronickel is a ferroalloy consisting of nickel and iron. It is mainly used as a nickel additive for steelmaking, for the production of stainless steel and heat-resistant special steel, as well as low-alloy cast iron and cast steel. ... The direct reduction method of rotary kiln is to dry laterite nickel ore, and to mix it with carbonaceous ...
China is smelt to produce ferronickel (comprising nickel-contained pig iron) the first big country with laterite-type nickel ore in the world, and big or small hundreds of smeltery is arranged.Wherein, smelting process used has respectively blast furnace process, local method sintering-electric furnace reduction smelting, sintering machine …
In the recent years, ferronickel has been used as a substitute for electrolytic nickel for alleviating the cost of stainless steel production. Rotary kiln-electric furnace (RKEF) smelting is currently the world-wide mainstreaming process for ferronickel production from nickeliferous laterite ore, in spite of the high power consumption.
The primary pyrometallurgical route to produce ferronickel from laterite nickel ores is the Rotary Kiln-Electric Furnace (RKEF) process. ... ferronickel, and nickel pig iron is 174 GJ/t alloy (174 ...
Industrially, the pyrometallurgical treatment of laterites is mostly accomplished with a well-established method, namely, the rotary …
nickel matte, or nickel pig iron. High energy consumption and high capital expenditure are the limitations of ferronickel production via RKEF. Therefore, an alternative lateritic nick- ... Krupp–Renn rotary kiln process at Nippon Yakin Kogyo, Oheyama Works, Japan, since 1952 to produce ferronickel luppen at 1250–1400°C [17–18]. The ...
Coal is commonly used as fuel and reducing agent in the rotary kiln to produce solid reduction product which is then melted in the electric furnace. The use of …
The invention relates to a method for directly producing nickel-bearing pig iron in rotary kilns by using laterite-nickel, which is completed according to the following steps: firstly, laterite-nickel is added with dryers, then stirred uniformly and dewatered and dried; secondly, the mixture is broken up and added with reducing agents and particle …
Therefore, the use of the rotary kiln–electric arc furnace (RKEF) process appeared in the introduction of the strategic Udy smelting process, proposed by M.J. Udy and M.C. Udy in 1959, for the treatment of lateritic ores containing nickel and chromium in order to obtain the products of refined steel, chromium iron, and ferro-nickel .
In 2011, the nickel production in China amounted to 446 kilotons, with the proportion of electrolytic nickel and nickel pig iron (NPI) registering 41.5% and 56.5%, respectively.
In 2011, the nickel production in China amounted to 446 kilotons, with the proportion of electrolytic nickel and nickel pig iron (NPI) registering 41.5% and 56.5%, respectively. ... rotary kiln ...
A New Force in Global Nickel. Nickel Industries Limited (ASX: NIC) was incorporated in Australia in September 2007. The Group has become a globally significant, low cost producer of nickel pig iron (NPI), a key ingredient in the production of stainless steel.In 2022 the Company also commenced the production of nickel in high grade nickel matte, …
The rotary kiln of laterite nickel ore has been successfully developed by Jiangsu Pengfei Group, and this technology has rapidly entered the field of production and application. 4.8X60m Nickel Rotary Klin. 5.0x100m Nickel Rotary Klin. 5.2X70m Nickel Rotary Klin. Large quantities of nickel pig iron have been produced from laterite nickel ore by ...
pengolahan menjadi nickel pig iron (NPI). ... (Caron Process) and pyrometallurgy (Rotary Kiln Electric Furnace). Hydrometallurgy is a process used for nickel ore that has a grade of < 1.5%, while ...