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Online since: July 2020
Authors: Bambang Suharno, Deni Ferdian, Nolzha Primadha Ilman, Achmad Shofi, Fajar Nurjaman
Study of Low-Grade Nickel Laterite Processing Using Palm Shell Charcoal as Reductant Bambang Suharno1,a, Nolzha Primadha Ilman1,b, Achmad Shofi2,c, Deni Ferdian1,d, Fajar Nurjaman3,e* 1Department of Metallurgy and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia 2Public Works and Spatial Planning, Rembang Regency,Central Java, Indonesia 3Research Unit for Mineral Technology, Indonesian Institute of Sciences, Lampung, Indonesia asuharno@metal.ui.ac.id, bnolzhaprimadha@yahoo.co.id, cachmad.shofi@lipi.go.id, ddeni@metal.ui.ac.id, efajar.nurjaman@lipi.go.id Keywords: lateritic nickel ore, palm kernel shell charcoal, sodium sulfate, selective reduction Abstract.
Most of the industries used coal as non-renewable materials for reductant in nickel ore processing, which contributed to high acidic pollutant emission due to the sulfur dioxide and nitrogen oxide released into the air during the reduction/combustion process [12-13].
The study of biomass as a renewable material for reductant in nickel ore processing should be investigated for lowering the pollutant emission [14].
International Conference of Chemical and Material Engineering(ICCME), 1699(1) (2015) 1-6
International Journal of Mineral Processing 106-109 (2012) 1-7
Online since: February 2013
Authors: Chang Sen Zhang, Zhi Jun Li, Xing Min Xu, Li Yang, Rui Qin Zhang
The reaction materials (water, toluene or benze) were fed by SZB-1A pump and the space velocity was controlled at 862h-1.
Catalytic purification of tarry fuel gas with carbonate Rocks and Ferrous Materials, Fuel, , 71 (1992) 211-218
Petit, Grafted NiO on natural olivine for dry reforming of methane, Science and Technology of Advanced Materials, 3 (2002) 271–282
XIE, et al, Effect of Basic Promotors on the Performance of Ni/CaO-Al2O3 Catalysts, Journal of Molecular Catalysis (China), 14 (2000) 3:179-183
Online since: June 2025
Authors: Francois Njock Bayock, Paul Kah, Maxime Yana Yebga, Dimitrif Dongho Tsague
The results of some researchers are focusing now on the weldability of those base materials.
Welding dissimilar materials such as high-strength steel becomes a difficult task [4-7].
Materials and Methods II.1.
Materials Yield strength in MPa Ultimate resistance to traction.
Wassell, Hardness measured with traditional Vickers and Martens hardness methods, Dental Materials, 23 (2007), 1079‑1085
Online since: August 2013
Authors: Zheng Li, Wei Dou Ni, Lin Wei Ma, Li Xue Jiang, Fei Fei Yu
d) Non-fuel use: non-fuel use mainly included coal-derived products used as materials in chemical or other industry. 4) End-use In end-use sectors, final energy included eight kinds of energy carriers: raw coal, cleaned coal, briquettes, coke, gas, other coking products, electricity, and heat.
Non-Fuel use Coal-derived products used as materials in chemical or other industry.
Non-Fuel use Coal-derived products used as materials in chemical or other industry.
References [1] BP: BP Statistical Review of World Energy 2011, available at http://www.bp.com/assets/bp_internet/globalbp/globalbp_uk_english/reports_and_publications/statistical_energy_review_2011/STAGING/local_assets/pdf/statistical_review_of_world_energy_full_report_2011.pdf [2] IEA: CO2 emissions from fuel combustion highlights 2012, available at http://www.iea.org/co2highlights/co2highlights.pdf [3] Aden Nathaniel, Fridley David and Zheng Nina: China’s Coal: Demand, Constraints, and Externalities, 2009, available at http://china.lbl.gov/publications/china%E2%80%99s-coal-demand-constraints-and-externalities [4] Research team for the medium- and long-term energy development strategy for China: Medium- and Long-term Energy Development Strategy for China- Energy Saving • Coal Volume (Science Press, China 2011), in Chinese
Cullen, Zheng Li: Energy Vol. 40 (2012), p. 174-188 [17] Cullen JM, Allwood JM: Energy Vol. 35 (2010), p. 2059-2069 [18] Schmidt M: Journal of Industrial Ecology Vol. 12 (2008), p. 82-94 [19] Department of Energy Statistics of National Bureau of Statistics of China: China energy yearbook 2009 (China Statistics Press, China 2010)
Online since: July 2014
Authors: R. Kandasamy, R. Thenmozhi
Material Properties The development of an appropriate analytical model to predict the behavior of Cold-Formed Steel (CFS) structural members requires a correct representation of the corresponding material characteristics.
Stress-Strain Curve The material properties derived from coupon test are tabulated in table. 1 TABLE.1.
MATERIAL PROPERTIES Sl.
References [1] John T.DeWolf and Clinton J.Gladding (1978), "Journal of the Structural Division, Post-Buckling Behavior of Beam Webs in Flexure", Vol.104, No.ST7, pp 1109-1122
J.," Design of Cold Formed Steel Members ", Elsevier Applied Science, London and New York.
Online since: April 2014
Authors: Alexey Rodin, Boris Bokstein
The first evidence for accelerated diffusion in polycrystalline materials was obtained with the use of tracers [6-9].
Stress effect For GB heterodiffusion and self-diffusion in multicomponent (at least, impure) materials the significant difference from the Fisher linearizing coordinates is observed.
Only ∇p can be an additional driving force in deformed materials.
The data obtained for materials of different purities demonstrate that the diffusion in the metal of higher purity is faster.
Herzig: Interface science, V.11 (2003), p.21 [56] A.
Online since: July 2015
Authors: Samuel C. Uzoechi, Goddy C. Okoye, Ejeta Kennedy Oghenenyore, Benjamin I. Nkem, Gideon I. Ndubuka, Patrick Ugochukwu Agbasi
Chondrocytes are harvested from donor material, expanded in monolayer and in most cases introduced to a three-dimensional environment before being transplanted back into same host (autologous) or into another host (allogenic).
Materials and methods Proliferation medium The proliferation medium was DMEM with 4.5g/L glucose GIBCO (life technologies), 10% fetal bovine serum (Cambrex Bio Science Verviers), 1% fungizone (Sigma-Aldrich), 100μg/ml streptomycin, 100 units/ml penicillin, 1% non-essential amino acids (Sigma-Aldrich) and 40μg/ml Proline (Sigma-Aldrich), 20mM L-ascorbic acid (Sigma-Aldrich), 2mM L-glutamine (Life technologies).
Prospects for material-based solutions in tissue engineering.
Poole, Cartilage and diarthrodial joints as paradigms for hierarchical materials and structures.
Pflugers Archiv : European journal of physiology, 2008. 455(4): p. 563-73
Online since: May 2011
Authors: Xiang Hui Wan, Hong Jie Zhang, Li Jun Chi, Li Hui Zheng, Ke Wen Peng
Serious loss circulation happened several times that 40 ton of circulation materials like polymer sealing agent, sawdust, cotton seed shell and soybean were consumed in total, but circulation could not be set up and it was unable to drill to the formation of interest in the third section when the depth reached to 1074m.
Conclusions Laboratory evaluations and field applications show that fuzzy-ball drilling fluid differs from other types of drilling fluid containing inert sealing materials, it has many advantages as follows
Then, it can effectively balance the high pressure of reservoir by making use of inert weighting materials to improve its density.
In addition, further thanks to National Science and Technology for providing research funding.
Vol. 31 (2010), p. 493 [6] Lihui Zheng, Shangzhi Meng and Yuan Cao: JOURNAL OF CHINA COAL SOCIETY.
Online since: September 2024
Authors: Guilherme Jahnecke Weymar, Daniela Buske, Carolina Pinz Medronha, Ana Paula Rozado Gomes, Cícero Coelho de Escobar
Accidents involving hazardous products occur when the risk becomes uncontrollable, resulting in a leak that can cause harm to human health, material losses, and/or environmental impacts.
Additionally, public awareness of the risks associated with the transportation of hazardous materials is crucial for promoting a proactive approach to accident prevention.
Havens, Application of dispersion models to flammable cloud analysis, Journal of Hazardous Materials, vol. 49, November 1996, pp. 115–124
Available at: https://www.sciencedirect.com/science/article/abs/pii/0004698182900294
Pasquill, The estimation of the dispersion of windborne material, The Meteorological Magazine, vol. 90, no. 1,063, February 1961.
Online since: August 2017
Authors: Sebastian Schöffel, Johannes Schwank, Franca Alexandra Rupprecht
Introduction Industrial corporations comprise many different disciplines from mechanical engineering to industrial engineering up to computer science.
Material flow: Just as between the production areas, optimal material flow should be found for the working stations (Figure 13 b)
For example, bottlenecks in the material flow in relation to the workload of the machines can easily be noticed and associated adjustments can be realized (see Fig. 14 c).
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 8511 LNCS(PART 2):254-263, 2014
The Journal of Hand Surgery, 16(3):409 - 419, 1991
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