" High value-added chemicals and BIoreSIns from alGae biorefineries produced from CO2 provided by industrial emissions "

PATENTS

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PROCESS AND DEVICE FOR THE TREATMENT OF DOMESTIC WASTWATER USING MULTIPLE FILTERS WITH BIOADSORBENT MATERIAL AND MICROALGAE

The present invention relates to a treatment process which removes nutrients from domestic wastewater through the combined use of pretreatment units together with filtration based on oyster shells, other bioadsorbent materials and microalgae. The process according to the present invention involves a group of reactors having a central tube divided into segments by chambers inserted therein, said chambers containing bioadsorbent particulate matter from shells of molluscs of the genera Crassostrea sp and/or Polymesoda sp. and/or Coquina-type coral rocks having different particle sizes, in which process the bioreactor contains living microalgae of the genus Chlorella sp. The domestic wastewater treatment process of the present application consists in connecting two or more bioreactors in series, and conveying water through the chamber-segmented central tube of the first bioreactor, the wastewater passing through the mixture of bioadsorbent material contained in the chambers and leaving the central tube and entering the bioreactor through perforations provided in the lower portion of the central tube. Subsequently, the water passes through the space between the central tube and the inner wall of the bioreactor, where the wastewater comes into contact with the microalgae. The water leaves the first reactor through the upper portion and enters the next reactor through the upper portion of the central tube, where the process is repeated.


» Number: WO2019029755A1 (A1)

» Publication Date: 19//2/14/0

» Applicant: CORPORACION UNIV DE LA COSTA CUC?[CO]

» Inventor: CANETRO RODELO RUBEN DARIO?[CO]; CASTILLO RAMIREZ MARGARITA DEL PILAR?[CO] (4)

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [613680].

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