Results 21 to 30 of about 246,701 (266)

Synthesis of Cu0.5Mg0.5Fe2O4 nanoparticle by chemical precipitation method and its effect on reduction of charge transfer resistant in electron transfer systems [PDF]

open access: yesشیمی کاربردی روز, 2015
In this work, the Cu0.5Mg0.5Fe2O4 nanoparticles were prepared by chemical precipitation method. The prepared powders were calcinated at 400-800 C. Properties of nanoparticles investigate using electrochemical impedance spectroscopy, X-ray diffraction ...
Farshad Taleshi   +2 more
doaj   +1 more source

Chemical Precipitation and Coatings of Tin Selenide

open access: yesASEAN Journal on Science and Technology for Development, 2017
Tin selenide were prepared chemically in alkaline aqueous solution. The crystalline powder was coated onto microscope glass slides using polyvinyl alcohol solution. The coatings were subjected to annealing at various temperatures to study the effect towards the structure, morphology and composition of the material.
Z Zainal   +4 more
openaire   +4 more sources

Pilot-Scale Experiences with Aerobic Treatment and Chemical Processes of Industrial Wastewaters from Electronics and Semiconductor Industry

open access: yesEnergies, 2021
TMAH is quaternary ammonium salt, consists of a methylated nitrogen molecule, and is widely used in the electronics industry as a developer and silicon etching agent. This substance is toxic and fatal if ingested. It can also cause skin burns, eye damage,
Valentina Innocenzi   +3 more
doaj   +1 more source

Chemical Precipitation method for Sulphate Removal from Treated Wastewater of Al-Doura Refinery [PDF]

open access: yesEngineering and Technology Journal, 2021
Wastewater treatment by Wastewater Treatment Plant, named (INGECO) in Doura refinery suffers from the elevated level of sulphate ion concentrations compared to the recommended EPA [14] specified (250 mg/L).
Aumar Alnakeeb, Rana Mohammed Rasheed
doaj   +1 more source

Structural, Electrical and Optical Studies of NixCd1-xS (x = 0.8, 0.6, 0.4 and 0.2) Nanoparticle System

open access: yesEast European Journal of Physics, 2023
This paper demonstrates the synthesis of NixCd1-xS (x=0.8,0.6,0.4,0.2) nanoparticles by microwave-assisted chemical precipitation method. The prepared samples were characterized by XRD, EDAX, SEM, UV-VIS, and PL spectroscopy.
Moly M. Rose   +3 more
doaj   +1 more source

Comparison of Microwave-Assisted Synthesis Routes in the Preparation of SnO2 Nanograins by Chemical Precipitation [PDF]

open access: yesPhilippine E-Journal for Applied Research and Development, 2017
This study considers the effect of microwave treatment in the production of SnO2 nanograins, showing that high-temperature annealing may be omitted in a microwave-assisted process. Tin dioxide nanograins were prepared by chemical precipitation and heated
Maricris C. Cunanan   +3 more
doaj  

Characteristics of Changes in Particle Size and Zeta Potential of the Digestate Fraction from the Municipal Waste Biogas Plant Treated with the Use of Chemical Coagulation/Precipitation Processes

open access: yesEnergies, 2020
The organic fraction of waste is increasingly used for biogas production. However, the fermentation process used for this purpose also produces waste in the form of digestate in addition to biogas. Its liquid fraction can, among other things, be a source
Agnieszka Urbanowska   +3 more
doaj   +1 more source

Chemical Precipitation removal of Boron in Synthetic Wastewater using Microwave Heating [PDF]

open access: yes대한환경공학회지
Objectives The objective of this study is to investigate the potential for the removal of boron(B) from synthetic wastewater through chemical precipitation using microwave heating to identify the optimal conditions for the removal of boron.
Minseo Sun, Jun Chun, Johng-Hwa Ahn
doaj   +1 more source

Evaluation of mature landfill leachates Treatment systems: the case of the landfill Curva de Rodas (Medellín-Colombia)

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2014
Leachates produced in the closed landfill Curva de Rodas in Medellin, Colombia are catalogued as mature leachates. These are characterized as poorly biodegradable waste containing organic compounds such as fulvic and humic acids, heavy metals, ammonia ...
Sebastian Canizales   +3 more
doaj   +1 more source

Spiral precipitation patterns in confined chemical gardens [PDF]

open access: yesProceedings of the National Academy of Sciences, 2014
Significance Chemical gardens are plant-like mineral forms existing in nature at various scales. Even though they have been described for more than three centuries thanks to their beauty and analogies with biological forms, their growth mechanisms remain largely not understood.
Florence Haudin   +3 more
openaire   +4 more sources

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