Informative testing method of beer sewage samples for mini-breweries

dc.contributor.authorPyrozhenko, Ye. V.en
dc.contributor.authorSebko, V. V.en
dc.contributor.authorZdorenko, V. G.en
dc.contributor.authorZashchepkina, N. M.en
dc.contributor.authorMarkina, O. M.en
dc.date.accessioned2021-02-17T12:32:17Z
dc.date.available2021-02-17T12:32:17Z
dc.date.issued2020
dc.description.abstractPurpose: of the article is to investigate the theoretical rules of thermal transformer eddy current converter (TTC) during the preparation of ecological monitoring of brewery sewage samples based on the implementation of contactless two-parameter eddy current method of testing of the specific electrical conductivity λt and the temperature t of the beer sewage sample. It should be noted that this makes it possible to simultaneously prevent the causes of beer sewage samples deviation from the specified environmental safety indicators and to take adjustments. Design/methodology/approach: The theory of TTC operation concerning the electrical and temperature characteristics testing of beer sewage samples has been further developed by implement new universal transformation functions ∆φt = f (Gt) and ∆φ = f (xt), which relate the normalized difference components of the converter signals to physical and chemical characteristics of the sample. Due to this, it is possible to simultaneously prevent the causes of beer sewage samples deviation from the specified ecological safety indicators and to take appropriate adjustments. Findings: The method of two-parameter measuring test of the specific electrical conductivity λt and the temperature t of the beer sewage sample was developed on the basis of new universal transformation functions. Analysing the numerical data of electrical conductivity λ, TDS and pH at the initial temperature t1 = 15°C, the alkaline nature of beer sewage was determined. Research limitations/implications: The frequency range of the magnetic field f = 80-100 MHz, it is difficult to maintain in laboratory conditions, so the proposed method requires the use of modern high-frequency equipment, the radius of the probe depends on the radius of the primary converter frame. And therefore is quite a complicate to find appropriate tank. Practical implications: is to determine the nature of beer sewage based on the results of electrical and temperature parameters measurements during implementing a two-parameter eddy current method, which allows to prevent the reasons for beer sewage samples deviations from the specified environmental safety measures and to take appropriate adjustments. An important practical result is also the determination of the signal components and the normalized characteristics of the primary eddy current converter with a sample of beer sewage. They allow to calculate, design and create multi-parameter automated devices for measuring test of the physicochemical parameters of beer sewage samples. In turn, as a result of the physicochemical composition analysis of the sample, improving the accuracy of measurements of physicochemical parameters - there is an opportunity to improve and create advanced methods of wastewater purification on a weak electrolytic basis. Originality/value: The article originality is the investigation of the theoretical rules of thermal TTC by implementing a new multi-parameter eddy current method of measuring the specific electrical conductivity λt and the temperature t of the beer sewage sample based on the implementation of universal transformation functions ∆φt = f (Gt) and ∆φ = f (xt) that relate the converter signals to the physicochemical characteristics of the beer sewage sample, which helps to prevent the causes of the beer sewage samples deviation from the specified environmental safety indicators and take appropriate adjustments.en
dc.identifier.citationInformative testing method of beer sewage samples for mini-breweries / Ye. V. Pyrozhenko [et al.] // Archives of materials science and engineering. – 2020. – Vol. 106, iss. 1. – P. 28-41.en
dc.identifier.doidoi.org/10.5604/01.3001.0014.5930
dc.identifier.orcidhttps://orcid.org/0000-0002-6298-8670
dc.identifier.orcidhttps://orcid.org/0000-0002-3561-6281
dc.identifier.orcidhttps://orcid.org/0000-0001-6508-4290
dc.identifier.orcidhttps://orcid.org/0000-0002-4406-1644
dc.identifier.urihttps://repository.kpi.kharkov.ua/handle/KhPI-Press/51077
dc.language.isoen
dc.publisherWorld academy of materials and manufacturing engineeringen
dc.subjectbrewing technological processen
dc.subjectsewageen
dc.subjectinformative methodsen
dc.subjectcontrolen
dc.subjecteddy current devicesen
dc.titleInformative testing method of beer sewage samples for mini-breweriesen
dc.typeArticleen

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