• ferronickel preparation from nickeliferous laterite by

    ferronickel preparation from nickeliferous laterite by

    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. In this study, aiming to provide some meaningful guidance for ferronickel production of RKEF smelting, reductive roasting followed by smelting

  • material and energy flows in rotary kiln-electric furnace

    material and energy flows in rotary kiln-electric furnace

    Currently, the relatively mature pyrometallurgical smelting processes to extract nickel from laterite mainly consist of the Rotary Kiln-Electric Furnace (RKEF) process and the sintering-blast

  • production of fe ni by the rotary kiln-electric furnace

    production of fe ni by the rotary kiln-electric furnace

    May 01, 1987 · Production of the Fe-Ni by the rotary kiln-electric furnace process at Hyuga Smelter. Int. J. Miner. Process., 19: 189-198. Hyuga Smelting Co., established by Sumitomo Metal Mining Co., started the production of ferro-nickel by the sintering-electric furnace process in September 1956

  • major mines & projects | sorowako mine

    major mines & projects | sorowako mine

    The processing plant in Sorowako has three furnace dryers, five oil-fired reduction kilns, four electric furnaces and three Pierce-Smith converters. The pyrometallurgy nickel processing involves in initial mineralisation drying process, followed by reduction, smelting and converting to …

  • future ofrotary kiln-electric furnaces(rkef

    future ofrotary kiln-electric furnaces(rkef

    At the time, kiln capacity did not match the furnace capacity and to support the operation of two 120 MW furnaces, three rotary kilns were proposed. This paper reviews recent developments in kiln technology and combines FLSmidth Inc. and Polysius AG plans for higher kiln capacity together with the high capacity furnace concepts developed earlier

  • cn106636625a - method for producing ferronickel by

    cn106636625a - method for producing ferronickel by

    The invention provides a method for producing ferronickel by adopting a rotary kiln direct reduction-RKEF (Rotary Kiln-Electric Furnace) combination method. The method comprises the following steps: drying a laterite nickel ore for later use; crushing and screening an appropriate amount of the dried laterite nickel ore, and then mixing the screened laterite nickel ore with a carbonaceous

  • cn103421922b - method for producing ferronickelby

    cn103421922b - method for producing ferronickelby

    The invention provides a method for producing ferronickel by processing laterite nickel ore in Sulawesi, Indonesia through an RKEF technology. The method comprises the following steps: 1, prescreening a laterite ore raw material by a 50mm grizzly screen, crushing a part not passing through the screen by a jaw crusher to below 50mm, and mixing the obtained crushed material with a product

  • (pdf)overview of nickel industry in indonesia

    (pdf)overview of nickel industry in indonesia

    Nickel reserve in Indonesia is estimated at around 881.3 million tonnes with Ni contents range from 1.3 % to 3.0 %. ... The dried ore is then reduced in rotary kiln. units and smelted in electric

  • a review ofnickelpyrometallurgical operations -pdffree

    a review ofnickelpyrometallurgical operations -pdffree

    Abraham A. Dor and Hans Skretting, "The Production ofFerronickel by the Rotary Kiln-Electric Furnace Process,' International Laterite Symposium (1979). 52. Hans Skretting, "Slag Temperatures from Electric Smelting of Ferronickel from Laterites," TMS Paper Selection, Paper No. A77-89

  • processing of nickel laterite oreson the rise

    processing of nickel laterite oreson the rise

    Once ore has been dried, it is processed in a large-scale rotary kiln to remove chemically bound moisture, as well as the oxide component of the ore. This step is often referred to as pre-reduction. Reduction & Smelting. Nickel is further reduced and smelted in an electric furnace

  • teknologi dan keekonomian proses pengolahan laterit nikel

    teknologi dan keekonomian proses pengolahan laterit nikel

    Pembuatan ferro-nickel dilakukan melalui dua rangkaian proses utama yaitu reduksi dalam tungku putar (rotary kiln, RK) dan peleburan dalam tungku listrik (electric furnace, EF) dan lazim dikenal dengan Rotary kiln Electric Smelting Furnace Process atau ELKEM Process

  • (pdf)reliability analysis in process industries-an overview

    (pdf)reliability analysis in process industries-an overview

    Download full-text PDF Download full-text PDF Download full-text ... It concluded t hat the occurrence of failure of rotary kiln refractory brick can be ... These are electric arc furnace,

  • nickel furnace,rotary kilnincinatorfurnaceinnickel

    nickel furnace,rotary kilnincinatorfurnaceinnickel

    Rotary kiln Φ5.2×118m 2 Nickel laterite roasting 5 Shandong Huixiang Trading Co., Ltd. Rotary kiln Φ4.85×75m 3 Nickel laterite roasting Dryer φ4.3×34m 3 6 Guangdong Yangjiang Century Qingshan Nickel Industry Co., Ltd. Rotary kiln φ4.6×100m 4

  • from batchrotary kiln testing to detailed kiln design

    from batchrotary kiln testing to detailed kiln design

    The indirect kiln is used when a material cannot come into contact with the combustion gases, and thus the heat is introduced to the outside of the drum shell via gas burners or electric heaters. The indirect batch rotary kiln has a diameter of 10.5” (0.27 m) and a heated length of 24” (0.61 m)