Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/845
Title: Process for treatment of effluent from oil extraction industry
Other Titles: Procedeu pentru epurarea apelor reziduale provenite din industria de extractie a titeiului
Authors: Draghici, Ecaterina
Cosma, Georgeta
Cosma, Cristiana
Ballo, Aureliea
Nicolau, Margareta
Toma, Dorina
Balalia, Ancuta
Mitila, Stefania
Keywords: Biological treatment;Effluent;Wastewater;Oil industry
Issue Date: 29-Dec-2000
Abstract: 
Process secures separation of water from oil products by treatment of effluent in a first physical­-chemical phase by coagulation ­flocculation in two steps, followed by biologic treatment in two steps and sand filtration. Coagulation-­flocculation consists of a step with cationic polyelectrolyte, 1-­2.5g/m3 active substance dose and a step with 60-­89g/m3 aluminium sulphate, followed by gravitational separation. Biological treatment phase is done in two steps with immersed aerobic filters and in a system using granulated active charcoal.
Description: 
Patent Assignee Name(s) and Code(s): SC PETROSTAR SA; INST CERC PROI EPURAREA APELOR REZIDUALE
URI: http://hdl.handle.net/123456789/845
ISSN: Patent no. RO116271­-B1
Appears in Collections:Patents
Patents

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