Results 231 to 240 of about 112,560 (310)

Small Calciner for Drying and Calcination of SYNROC Slurry

Nuclear Technology, 1986
A laboratory scale calciner was developed in which a batch of SYNROC slurry could be dried and then calcined. A SYNROC sample was demonstratively prepared from a hydroxide-route slurry with the calciner. Results of x-ray diffraction and leach tests revealed that the calciner formed a SYNROC sample of good quality.
Hisayoshi Mitamura, Takashi Murakami, Tsunetaka Banba, Takayuki Amaya   +3 more
openaire   +1 more source

The influence of calcination temperature on structural and antimicrobial characteristics of zinc oxide nanoparticles synthesized by Sol–Gel method

Journal of Molecular Structure, 2019
The influence of different calcination temperatures on the molecular structure, optical, morphological and antimicrobial activity were investigated for Zinc Oxide nanoparticles (ZnO NPs) synthesized using green sol-gel method.
A. M. Ismail, A. Menazea, H. Kabary, A. El-Sherbiny, A. Samy   +4 more
semanticscholar   +1 more source

Calcination parameters on phosphogypsum waste recycling

, 2020
The calcination at low temperatures transforms phosphogypsum (PG) waste in a material with binder properties. This study evaluated two parameters of PG calcination: kiln residence time (1 h, 2 h, and 5 h) and temperature (120 °C, 150 °C, and 200 °C). The
R. Geraldo, A. R. D. Costa, Julia Kanai, J. S. Silva, Janaina Domingos de Souza, H. Andrade, J. P. Gonçalves, P. Fontanini, G. Camarini   +8 more
semanticscholar   +1 more source

Effect of Calcination Temperature on the Performance of the Ni@SiO2 Catalyst in Methane Dry Reforming

Industrial & Engineering Chemistry Research, 2020
Calcination acts important role in pursuing high performance catalyst for heterogeneous reaction.
Bo-Lin Han, Long Zhao, Fa-Gen Wang, Lei-Lei Xu, Hao Yu, Yi Cui, Jian-Ming Zhang, Weidong Shi   +7 more
semanticscholar   +1 more source

Reusing electrolytic manganese residue as an activator: The effect of calcination on its mineralogy and activity

, 2021
Electrolytic manganese residue (EMR) is a potential activator for alkali and salts activated binders. However, the high contents of water and organic substances in EMR restricts its use.
Yong-Xiang Zhou
semanticscholar   +1 more source

Influence of the calcination temperature of phosphogypsum on the performance of supersulfated cements

Construction and Building Materials, 2020
Supersulfated cements (SSCs) are binders comprising mostly of granulated blast-furnace slag and calcium sulfate. In this study, phosphogypsum was used as source of calcium sulfate and the influence of its solubility (availability) on the properties of ...
B. Gracioli, C. Angulski da Luz, C. S. Beutler, J. I. Pereira, A. Frare, J. Rocha, M. Cheriaf, R. Hooton   +7 more
semanticscholar   +1 more source

Alumina Calcination in the Fluid-Flash Calciner

2016
In the mid 40’s, Alcoa turned to fluidized solids techniques as a means of improving the efficiency of the alumina calcining process. This paper traces calciner development from the first pilot operation in 1946 through the first plant fluid-bed unit in 1952, the early “fluid-flash” calciner designs in 1960, the first 300 ton/day fluid-flash calciner ...
openaire   +1 more source

Pozzolanicity of Calcined Sewage Sludge with Calcination and Fineness Conditions

Journal of the Korea Concrete Institute, 2015
This study discussed the pozzolanic properties of calcined sewage sludge (CSS) according to calcination and fineness conditions. The chemical and mineralogical analysis of CSS according to calcination temperature and time were carried out and compared with that of the existing pozzolanic materials such as fly-ash, blast furnance slag and meta-kaolin ...
Hyoung-Seok So, Seung-Young So, Janchivdorj Khulgadai, Jae-Hong Kang, Min-Hi Lee   +4 more
openaire   +1 more source

Effect of calcination on the reactivity of natural clinoptilolite zeolites used as supplementary cementitious materials

Construction and Building Materials, 2020
This study examined several sources of natural clinoptilolite zeolite calcined at temperatures of 300 °C-965 °C, tracking changes in phase content, particle size, surface area, and pore size distribution. Changes in pozzolanic reactivity with calcination
Lisa E. Burris, M. Juenger
semanticscholar   +1 more source

Influence of calcination temperature on the structure and hydration of MgO

Construction and Building Materials, 2020
The performance of magnesium oxide-based cements and expansion agent closely relates to the reactivity of MgO. This paper systematically investigates the structure and hydration properties of MgO calcined from amorphous magnesite at a wide range of ...
Li-Ming Huang, Zheng-Hong Yang, Shun-Feng Wang   +2 more
semanticscholar   +1 more source