TREATMENT OF SELECTED FOUNDRY WASTE USING BIODEGRADABLE METHOD (PRELIMINARY RESEARCH)

This paper presents the applicability of Bio Activ PH biopreparation in the treatment of toxic substances (phenol, formaldehyde) in selected types of waste mouldings and core laboratory scale. This method has not been used for this type of waste s...

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Comparison of parameters of the granulation process of dust waste from sand reclamation

The results of studies of the process of pressure-free granulation of foundry dust were described, including dust generated in the mechanical reclamation of waste bentonite sand (Dust 1), dust generated in the dry mechanical reclamation of waste s...

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Chromatographic analysis of selected products of thermal decomposition of core sands made in cold-box technology

Loose rapid hardening masses with synthetic resins, customarily called cold-box technologies, have dominated the process of casting core production. A distinguishing feature of these technologies is the manner of mass preparation without the use o...

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Studies of hardening kinetics of selected self-hardening masses at low temperatures

The article presents an analysis of the kinetics of the hardening process of self-hardening masses. In this study, moulding sand with a quartz sand grain matrix by Sibelco, main fraction Fm 0.40; 0.32; 0.20 mm, was used. Two resins were...

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Effect of a biodegradable addition as a binary binder component for cast moulding and core sands on the properties of the binder and the sands

The increasing requirements concerning the emission of hazardous substances force the casting industry to search for new, more environment-friendly solutions. Such solutions may include technologies of developing moulding and core sands with the u...

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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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Selected methods of testing protective coatings applied on casting moulds and cores

This article presents selected research methods related to protective coatings used for sand moulds and cores in the foundry industry. The research methodology has been divided into studies of the technological properties of sand moulds and cores ...

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