Title

Case study: Pilot treatment of olive mill and metal processing wastewater by ceramic membrane ultrafiltration

Conference Dates

September 11-16, 2016

Abstract

Among available technologies for industrial wastewater treatment, membrane processes exhibit undisputable advantages over the conventional approaches (Paraskeva and Diamadopoulos, 2006, Ochando-Pulido and Martinez-Ferez, 2012). In particular, the use of ceramic membranes for such treatment has not been addressed before. Wastewater coming from the production of an olive mill plant in Spain (CASAT, Don Benito) and wastewater originated from the washing of powder-paint surfaces from the production of ventilation equipment in Poland (Venture Industries, Grudziadz) were treated by ultrafiltration with a silicon carbide ceramic membrane (SiC) to evaluate the removal of organic matter, oil and grease, phenols and phosphate. This paper presents the results of the pilot-testing performed at both locations during the months of June and October 2015, respectively. Due to high content of suspended solids in the wastewaters tested, pre-treatment steps prior to ultrafiltration were performed. The pre-treatment was performed by DAF Nikuni flotation system. The ultrafiltration pilot system tested, LabBrain CFU063, was equipped with a SiC ceramic membrane 0.04 µm (LiqTech International, Denmark).

Results of the pilot-testing treatment of olive mill wastewater (OMW) and Venture Industries wastewater (VIW) after DAF-Nikuni pre-treatment and ultrafiltration by ceramic membrane system (SiC 0.04 µm pore size) are shown in Table 1.

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Additional Files
Renata Tomczak-Wandzel - 42.pdf (122 kB)

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