PROCESS FOR TREATING WASTE WATERS HAVING HIGH SALINE CONTENT

A process for treating waste waters with TDS≥20 g/l, possibly containing organic substances, includes the following steps:a. separating the saline wastewater or waste waters from suspended solids and heavy pollutants by physical separation, forming a saline stream free of suspended solids and heavy...

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Main Authors CASTALDO, Filomena, COSENZA, Alessandro, GENTILE, Leonardo, CIPOLLINA, Andrea, MICALE, Giorgio Domenico Maria, RIVA, Alessandro, GIACALONE, Francesco, TAMBURINI, Alessandro
Format Patent
LanguageEnglish
French
German
Published 03.01.2024
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:A process for treating waste waters with TDS≥20 g/l, possibly containing organic substances, includes the following steps:a. separating the saline wastewater or waste waters from suspended solids and heavy pollutants by physical separation, forming a saline stream free of suspended solids and heavy pollutants;b. subjecting the saline stream to reverse electro-dialysis, using a reservoir solution to reduce the saline concentration and forming a diluate and a diluted stream (waste water) with TDS not higher than 20 g/l; andc. biologically treating the diluted stream obtained in (b) forming biological sludge, or excess sludge, and clarified water.
Bibliography:Application Number: EP20220706689