化学技术与冶金大学
期刊
会议
图书
作者:Bauyrzhan Surimbayev , Lyudmila Bolotova , Aliya Baikonurova ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:Studies on the intensive cyanidation of gold-bearing gravity concentrate are carried out in a conical type apparatus. The process takes place in presence of 1.5 kg/t and 3.0 kg/t of an organic acid as an activator varying the sodium cyanide concentration. It is shown that the inc...
作者:Ebtihal A. Aldayyat , Motasem N. Saidan , Mousa A. Abu Saleh ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:The inefficient solid waste management (SWM) affects negatively the environment and the community health. That is why the SWM sector should take serious precautions and measures to address the growing rate of solid waste (SW) generation noting its characteristics (compositio...
作者:Adeleke Adekunle Akanni , Odusote Jamiu Kolawole , Paswan Dayan ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:Torrefaction process is a thermal treatment that can improve quality of lignocellulosic biomass into a carbon-rich and hydrophobic feedstock which is applicable as fuel and metallurgical reductant. Biomass (Melina and Teak wood) of Nigerian origin was subjected to mild (240oC) an...
作者:Mladen E. Lilov , Plamen P. Kirilov
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:The stability of urea solutions (20 % N) in presence of mineral acids (HNO3, H2SO4, H3PO4) and their ammonium salts (NH4NO3, (NH4)2SO4, NH4H2PO4) is studied in the course of 150 days storage at 298.15 K. The study is carried out by periodical measurement of the electric conductiv...
作者:Umirzak Zh. Jussipbekov , Aktolkyn A. Agatayeva , Raissa M. Chernyakova ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:According to the literature data iron hexacyanoferrate has a crystalline lattice with а channels diameter of 3.0 Å - 3.5 Å. It displays an adsorption capacity in respect to cations of a number of metals. In this view the effect of silver concentration, temperature, time, the...
作者:Nils Lichtenberg , Philipp Kinzel , Nicole A. Parks ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:This article describes a detailed investigation of the flow at the entry of a twin-belt caster, combining non-intrusive flow velocity measurements via Particle-Image Velocimetry (PIV) with detailed numerical simulations based on Computational Fluid Dynamics (CFD). The experi...
作者:Kenan Büyükkaya
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:The composites аnalyzed are prepared by using the shell of hazelnut fruit, chestnut tree and hornbeam dust of a size of 425 μm - 600 μm fixed to PMMA matrix. The kinetics of long composite (13000 h) water absorption behavior of these composites is investigated at 23oC. The r...
作者:Simona Nikolova , Mihail Mihaylov , Nikolay Dishovsky
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:The present work reports on the preparation and investigation of the properties of composites based on acrylonitrile butadiene rubber (NBR) aimed for production of sealants in water supply networks carrying hot and cold potable water. The studies involve 12 NBR-based composites. ...
作者:Ercan Ercan , Fethi Dagdelen
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:The isothermal oxidation behavior of Cu-11Al-3Ta (in mass %) high temperature shape memory alloy (HTSMA) was investigated by using the thermogravimetric analysis (TG) method. The alloy was initially heated under standart atmospheric pressure in the range from 25ºC to 1000ºC ...
作者:Lachezar Stamenov , Vladislava Stefanova , Biserka Lucheva ...
来源:[J].Journal of Chemical Technology and Metallurgy, 2019, Vol.54 (2)UCTM
摘要:The study is focused on the utilization of waste solutions containing a high concentration of ferric ions and sulfuric acid (> 60 g L-1). It is found that the crystallization of ferricopiapite (Fe4.67(SO4)6(OH)2.20H2O), rhomboclase (Fe2(SO4)3. H2SO4.8H2O) and paracoquimbite (Fe2(...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×