Results 11 to 20 of about 79,481 (302)

A soft sensor for the Bayer process [PDF]

open access: yesJournal of Mathematics in Industry, 2017
A soft sensor for measuring product quality in the Bayer process has been developed. The soft sensor uses a combination of historical process data recorded from online sensors and laboratory measurements to predict a key quality indicator, namely ...
Vincent Cregan   +2 more
doaj   +7 more sources

A review of the determination of organic compounds in Bayer process liquors [PDF]

open access: yesAnalytica Chimica Acta, 2011
Bayer process liquors present a difficult and complex matrix to the analytical chemist, and the history of the application of modern analytical techniques to this problem is a case study in innovation. All Bayer process liquors contain organic compounds, in amounts varying from traces to several grams per litre.
Greg Power   +2 more
exaly   +5 more sources

Distribution of Selected Trace Elements in the Bayer Process

open access: yesMetals, 2018
The aim of this work was to achieve an understanding of the distribution of selected bauxite trace elements (gallium (Ga), vanadium (V), arsenic (As), chromium (Cr), rare earth elements (REEs), scandium (Sc)) in the Bayer process.
Johannes Vind   +3 more
doaj   +4 more sources

Radiological assessment of the Bayer process [PDF]

open access: yesMinerals Engineering, 2019
Abstract Naturally occurring radionuclides were studied through the Bayer process by calculating their mass flows. Aluminium of Greece (AoG) provided sample materials and plant data from several process stages. Measurements of radionuclide concentrations were carried out by gamma-ray spectroscopy. The performed measurements show that in the specific
Johannes Vind
exaly   +4 more sources

Characterization of red mud derived from a combined Bayer Process and bauxite calcination method

open access: yesJournal of Hazardous Materials, 2007
Red mud can be derived from the processing of bauxite using different methods. The chemical and mineralogical composition of the combined Bayer Process and bauxite calcination red mud (BPBCRM) differs markedly from those of the pure Bayer Process red mud
Chuxia Lin
exaly   +3 more sources

Thermodynamic simulation of the Bayer process

open access: yesInternational Journal of Materials Research, 2008
Abstract The Gibbs energy minimiser incorporated in the thermodynamic subroutine library ChemApp and a thermodynamically consistent, ten-component Bayer liquor model were applied to a simulation of the Bayer process employed worldwide for the refining of alumina from bauxite ores. As well as the liquor cycle from digestion, clarification,
Königsberger, E.
openaire   +2 more sources

Global Competence Management for Process & Plant Safety at Bayer

open access: yesChemical Engineering Transactions, 2016
Excellence in the field of process and plant safety (PPS) is indispensable and a consistently high level of safety has to be achieved in all processes and facilities within the Bayer Group worldwide.
Hans-Erich Gasche   +3 more
doaj   +2 more sources

The Characterization of a Bauxite Waste From The Bayer Process

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2001
The Bayer process for the alumina frombauxite produce a high quantity of waste in the formof mud. This waste -red mud- ııresent seriousproblems on environmental pollution.
Nevin Yalçın, Vahdettin Sevinç
doaj   +2 more sources

Development of A Low-Cost Method for Determination of Sulfide Ions in Aluminate Solution of Bayer Process and Sulfide Removal Using Nitrate from It [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
Sulfide ions in the solution of the Bayer process can accelerate the corrosion of the equipment and increase the impurity of the final product. In the current investigation, sulfide ions concentration of the aluminate solution during the Bayer process ...
Mohammad Reza Ramazani   +3 more
doaj   +1 more source

MACROMOLECULES IN THE BAYER PROCESS [PDF]

open access: yesReviews in Chemical Engineering, 2003
This is the publisher's version, also available electronically from http://www.degruyter.com/view/j/revce.2003.19.5/revce.2003.19.5.431/revce.2003.19.5.431.xml.
Whelan, Thelma J.   +5 more
openaire   +2 more sources

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