THREE-PARAMETER METHOD FOR MEASURING INFORMATIONAL PARAMETERS OF WASTEWATER SAMPLE FROM CONFECTIONERY FACTORIES

Abstract

The expansion of the functional and technical capabilities of the submersible eddy current transducer (SEСT) was investigated, regarding the combined three-parameter informative control of the specific electrical conductivity χ, the relative dielectric permittivity εr and the temperature t of alkaline wastewaters from confectionery industries. Based on the submersible SEСT, which includes only one winding that can perform two functions: sample magnetization and measurement of wastewater sample parameters, a three-parameter method for measuring the physicochemical parameters of alkaline wastewaters from confectionery industries was investigated. In this case, instead of the core, the SEСT uses a column of liquid that fills a round through-hole as a result of immersing the SEСT in a container with wastewater, i.e. a column of alkaline wastewater from a corresponding container (reception chamber, settling tank, container for averaging wastewater, biological reactors, stabilization pools, etc.), which fills the hole of the immersed SEСT is both the core and a sample of wastewater whose parameters are subject to measurement. Since the main criteria when choosing a technology for treating concentrated wastewater from processing and food industries is the composition of water, the numerical data of the specific electrical conductivity χ, relative dielectric permittivity εr and temperature t of alkaline wastewater can be used to determine the regulatory characteristics on the basis of which the optimal method for treating wastewater from confectionery industries is selected. Algorithms for measuring and calculating procedures for joint measurements of the parameters εr, χ and t are presented. The results of measurements of the specific electrical conductivity χt, relative dielectric permittivity εrt and temperature t of a sample of alkaline wastewater from confectionery industries were obtained.