RESEARCH OF THERMALLY MODIFIED FILTRATION SLUDGE AND ITS APPLICATION TO TREAT CONVEYER-WASHING WATER
DOI:
https://doi.org/10.31073/foodresources2023-21-16Keywords:
filtration sludge, sorbent, modification, cleaning effect, conveyer-washing water, recycling calciumAbstract
Subject. Clean ability of thermally modified filtration sludge (TMFS) conveyer-washing water of saccharine production. Purpose. Research of properties of thermally modified defecat that efficiency of his application at conveyer-washing water treatment. Methods. Sensorial, gravimetric, physical and chemical and analytical. Results. It is set that filtration sludge is thermally treated after basic technological descriptions close to industrial sorbents and is ecologically safe for the use in a saccharine production. At the repeated use, filtration sludge in technological processes the expense of auxiliary materials of chemical origin will diminish, and the ecologization of production is improved. Research of basic technological indexes of TMFS shows that got sorbent has the developed porous structure suitable for subsequent application in quality an adsorbent to due to ions of calcium and carbon. Certainly sorbents ability of TMFS, which makes 37–43 mg/g after an indicator methylene dark blue. The results of researches show polyfunctionality of TMFS properties and achievement of high effect of conveyer-washing water treatment (82–85%). The use of the modification promotes the gradual sedimentation of suspended particles and purification. Stability of water environment is evaluated according to the criterion of Andersen and it is showed that application of TMFS provides the proper stability of the system. Conveyer-washing water is treated during 3 months did not change color, a smell was not felt and there was not development of microorganisms. Block diagram of recycling calcium is offered at sugar production. Scope of results. Food industry, namely sugar industry.
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