HIGH-QUALITY FOUNDRY BENTONITE MADE FROM THE RAW DRIED MATERIAL AND SELECTED FRACTIONS FORMED IN THE PRODUCTION OF HYGIENE SORBENTS

The paper presents the results of laboratory and industrial tests undertaken in order to develop and implement in foundry production the high-quality bentonite made from the raw dried material and selected fractions formed in the production of hyg...

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The application of bentonite in classical moulding sands

The article presents results of laboratory tests to develop a new generation of foundry hybrid bentonite. Hybrid bentonite is intended for use as binder for synthetic moulding sands and sandmixes. In the previous practice foundry bentonite was a p...

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Aromatic compounds in waste gases formed during thermal decomposition of foundry binders

The paper presents the results of analysis of gases formed under the impact of high temperature acting on moulding sands with the addition of selected organic resins and hardeners, commonly used in foundries as binders for these sands. As a resear...

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The use of Py-GC/MS (pyrolysis/gas chromatography/mass spectroscopy) in the analysis of foundry binders: alkaline phenolic resol resin

The article presents the results of the pyrolysis of resin, the fast hardener as well as cured resin used in the ALPHASET technology. It is an alkaline phenolic resin of the resol type cured with an ester mixture. The pyrolysis was performed at 90...

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