Results 1 to 10 of about 110,244 (302)

Zirconia as a support for catalysts: Evolution of the texture and structure on calcination in air [PDF]

, 1990
Zirconia samples, prepared by precipitation from a solution of zirconyl chloride at a constant pH of 10, were calcined in flowing air at temperatures up to 850°C in order to study the development and stability of the porous texture in conjunction with ...
Burggraaf, A.J., Doesburg, E.B.M., Mercera, P.D.L., Ommen, J.G. van, Ross, J.R.H.   +4 more
core   +26 more sources

The Effect of Calcination Temperature on The Quality of Quicklime from Different Limestone Mines in West Sumatera, Indonesia

Journal of Applied Agricultural Science and Technology, 2022
Quicklime is a widely used industrial chemical and its characteristics may be affected by the limestone characteristics and calcination temperature. The present study investigated the quicklime characteristics obtained from limestone after calcination at
Reni Desmiarti, Ellyta Sari, Firdaus Firdaus, Erda Desfitri, Amelia Amir, Inva Salsabil, Maulana Rosadi, Nofri Naldi   +7 more
doaj   +1 more source

Adsorption of Phosphate from Aqueous Solution by Calcination of Silicified Coal: Kinetic and Isotherm Studies

Aceh International Journal of Science and Technology, 2023
Silicified coal (SC) consisting of SiO2 is a promising raw material for adsorbent. The present study aimed to utilize silicified coal bottom ash (SCBA) adsorbent by calcination of the SC at temperatures of 600, 800, and 1000 oC for 1 hour.
Lisa Fandana, Faisal Abdullah, Abrar Muslim*, Suhendrayatna Suhendrayatna, Hesti Meilina   +4 more
doaj   +1 more source

Synthesis and Charactrization of ZnO Nanoparrticles with Different Morphology and their Structural Properties [PDF]

شیمی کاربردی روز, 2014
In this paper, Zinc Oxide nanoparticles are prepared by direct precipitation method. The ZnO nanoparticles are obtained after calcinations of precursor at 250˚C for 2h. Resulted nanoparticles by this method have hexagonal structure.
Reza Moradi, Hadi Arabi, Hassan Karimi-Maleh   +2 more
doaj   +1 more source

Wall Materials and Manufacturing Techniques for Korean Ancient Mural Paintings (Great Gaya, 6th Century)—Discovery of Shells Used in Wall Plaster and Identification of Their Processing Status

Crystals, 2022
This study used morphological analysis to identify the materials used for the wall plaster in the Goa-ri Tomb and elucidate the wall manufacturing techniques by determining the processing conditions for the plaster ingredients through a calcination ...
Hwa Soo Lee, Yeong Gyeong Yu, Han Hyoung Lee, Kyeong Soon Han   +3 more
doaj   +1 more source

Monometallic cerium layered double hydroxide supported Pd-Ni nanoparticles as high performance catalysts for lignin hydrogenolysis [PDF]

, 2020
Monometallic cerium layered double hydroxides (Ce-LDH) supports were successfully synthesized by a homogeneous alkalization route driven by hexamethylenetetramine (HMT).
Bruneel, Els, De Buysser, Klaartje, De Saegher, Tibo, Hanssen, Jorku, Lauwaert, Jeroen, Van Geem, Kevin, Van Zele, Matthias, Verberckmoes, An   +7 more
core   +1 more source

Effect of Calcination Rate on Performance of Co-precipitated Cu-MgO Catalyst in Hydrogenation of Furfural [PDF]

Journal of Sciences, Islamic Republic of Iran, 2019
Co-precipitated Cu-MgO catalysts were prepared and evaluated for the gas-phase hydrogenation of furfural. The effect of heating rate at the calcination step was studied by comparing the performance of three catalysts prepared via the same procedure but ...
Mohammad Ghashghaee, Samira Shirvani, Vahid Farzaneh, Samahe Sadjadi   +3 more
doaj   +1 more source

The Influence of Calcination Temperature on Structural and Optical properties of ZnO-SiO2 Nanocomposite by Simple Thermal Treatment Route [PDF]

Archives of Metallurgy and Materials, 2018
This study offers a new method to synthesize facilely willemite (Zn2SiO4) based phosphor at the temperature of 800 °C. The ZnO-SiO2 nanocomposite was calcined at different temperatures between 500 and 1000 °C.
Ibrahim Mustapha Alibe, Khamirul Amin Matori, Haj Abdul Aziz Sidek, Yakoob Yazid, Elias Saion, Ali Mustapha Alibe, Mohd Hafiz Mohd Zaid, Ali Engku Abd Ghapur Engku, Tasiu Zangina   +8 more
doaj   +1 more source

Comparative Study of Manufacturing NdFeB Magnet Wastes Recycling: Oxidative Roasting-Selective Leaching and Whole Leaching Routes

Recycling, 2022
This research investigated recycling of manufacturing NdFeB magnet wastes in as-sintered and powder forms which contained high carbon via pyro-hydro metallurgy process.
Tapany Patcharawit, Woranittha Kritsarikan, Tanongsak Yingnakorn, Sakhob Khumkoa   +3 more
doaj   +1 more source

Effect of iron doping on structural and optical properties of TiO2 thin film by sol–gel routed spin coating technique [PDF]

Journal of Advanced Dielectrics, 2017
Thin films of iron (Fe)-doped titanium dioxide (Fe:TiO2) were prepared by sol–gel spin coating technique and further calcined at 450∘C. The structural and optical properties of Fe-doped TiO2 thin films were investigated by X-ray diffraction (XRD ...
Stephen Lourduraj, Rayar Victor Williams
doaj   +1 more source