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Biography
Gordano A is a researcher at the Institute on Membrane Technology (ITM), part of the Italian National Research Council (CNR), headquartered at V. P. Bucci, Cubo 17/C, I‑87030 Rende (CS), Italy. His work centers on membrane science and engineering, with a strong emphasis on understanding fouling mechanisms in polymeric membranes used for water and wastewater treatment.
In a May 2024 publication in IgMin Research, Gordano conducted an AFM (Atomic Force Microscopy) analysis to investigate fouling behaviors of flat-sheet membranes made of PVDF and PS under low-pressure conditions. This study systematically explored how variables such as pore size, material type, solids concentration, particle size, pH, temperature, flow rate, and pressure influence fouling, flux decline, and surface roughness over time. Remarkably, membrane roughness increased within the first 120 minutes of immersion in industrial wastewater, then largely returned to original values after four hours—yet flux remained significantly reduced.
These insights underscore Gordano’s contribution to correlating membrane morphology with operational performance and fouling resistance—critical for optimizing cleaning strategies and life-cycle performance of membrane systems.
As part of ITM‑CNR, Gordano operates within a leading European center for membrane R&D, where multidisciplinary efforts span water treatment, gas separation, biotechnology, renewable energy, and more. By integrating advanced surface characterization techniques with applied experimentation, his research contributes to the development of more efficient, sustainable, and fouling-resistant membrane technologies, aligning with global efforts to improve water reuse, environmental protection, and industrial process efficiency.
Research Interest
Gordano A’s research focuses on advanced membrane technologies for water and wastewater treatment, with an emphasis on polymeric membrane fouling dynamics and surface interactions. He specializes in characterizing membrane behavior using techniques like Atomic Force Microscopy (AFM) to assess flux decline, pore structure, and roughness under varying operational conditions. His interests extend to understanding the physicochemical impacts of feed characteristics—including particle size, pH, temperature, and pressure—on membrane performance. Through experimental and analytical methods, Gordano investigates the correlation between membrane surface morphology and fouling mechanisms, aiming to improve long-term membrane efficiency and sustainability. His work contributes to optimizing cleaning protocols and developing next-generation membranes with enhanced antifouling properties. At the Research Institute on Membrane Technology (ITM-CNR), he collaborates on interdisciplinary projects in membrane engineering, nanostructured materials, and water reclamation. Gordano’s research supports global goals in clean water access, circular water use, and environmental remediation through scalable membrane innovations.
Open Access Policy refers to a set of principles and guidelines aimed at providing unrestricted access to scholarly research and literature. It promotes the free availability and unrestricted use of research outputs, enabling researchers, students, and the general public to access, read, download, and distribute scholarly articles without financial or legal barriers. In this response, I will provide you with an overview of the history and latest resolutions related to Open Access Policy.
This work represents a part of a larger work, aimed at evaluating the fouling behavior of different flat polymeric membranes for low-pressure applications when placed in contact with industrial wastewater (IWW). To design and understand the operation of a membrane process it is essential to know the fouling mechanisms.Commercial PVDF and PS membranes were tested under static conditions. The reduction in membrane flux was calculated, before and after the fouling tests. Parameters such as membrane material, pore size, solids concentration, partic...le size, pH, temperature, flow rate, and pressure were studied to identify the fouling behavior of the membrane.The strong adhesion of organic molecules on the membrane surface develops a resistance to pore blockage which allows a significant decrease in the flow of clean water.It is important to note that membranes of the same material, PVDF, but with different pore size (0.2 and 0.5 mm), and membranes of different materials, PVDF and PS, but with the same pore size (0.2 mm) were tested to study the trend of surface fouling to predict it and/or design surface modifications of the membranes employed.A morphological analysis of the membranes was carried out to understand the fouling mechanism, the fouling times, and the nature of the block that determines the reduction of flow through the membrane itself.Roughness measurements reveal that roughness goes up to 120 minutes of immersing time in wastewater, but after 4 hours it returns to initial value but with a significant decrease of flux to water.Understanding the relationship between flux decline, morphology, and roughness role is key to preventing fouling and studying a valid method to clean the membrane.
