Document 93mXOwdEBjkzenvRo5xVgKmZ7

PVDF essentiality in Water and Wastewater Treatment Javier Villa Global Product Manager, DuPont Water Solutions CEFIC collaboration workshop, Brussels Dec 12, 2022 Some of the content of this presentation was provided by the courtesy of Veolia 1 Having an expansive innovative mindset is essential to reaching our sustainability goals. Because water is at the heart of the world's most critical needs, solving tomorrow's global water challenges unlocks the rest of the United Nations' 2030 Sustainable Development Goals. 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. Water Solutions Water Challenges Recently in the Headlines Source: Washington Post National Geographic Source: teleSUR HD Source: Reuters Source: BBC 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. Water Solutions EU Policy Strategy on Water Zero-pollution ambition and Chemicals Strategy for Sustainability Circular Economy Action Plan Strengthening drinking water quality standards Improving urban wastewater treatment Ensuring safe water reuse for agricultural irrigation Drinking Water Directive Industrial Emissions Directive Revision of the Urban Waste Water Treatment Directive Regulation on Minimum Requirements on Water Reuse European Taxonomy DNSH Technical Guidance 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. DuPont Water Solutions Portfolio Leaders in RO, UF and IER Separation Technologies Memcor Membrane BioReactor & Ultrafiltration (UF) IntegraFluxTM Ultrafiltration (UF) Desalitech Closed Circuit Reverse Osmosis (CCRO) PVDF Membranes Amber Series Ion Exchange Resins (IER) Wastewater OxyMem Membrane Aerated BioReactor (MABR) inge Ultrafiltration Multibore membrane FilmTecTM Reverse Osmosis (RO) Nanofiltration (NF) Ultrapure Water Electrodeionization (EDI) 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. MBR Helps Turn Municipal Wastewater into Valuable Resource FROM: Conventional secondary biological treatment MBR - Immediate benefits Highly efficient C, N and P removal in small footprint 25-50% reduced footprint (new systems). Retrofit conventional systems TO: Advanced Membrane Bioreactor (MBR) Pathogen and sediment removal Water suitable for indirect or direct reuse: Agricultural irrigation or industrial cooling tower (*) MBR Wastewater Treatment Only one step away to aquifer replenishment or other industrial uses (*) PVDF hollow fiber membranes 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. (*) might require final disinfection before distribution or use PVDF MBR Enables High-effluent Quality for Water Reuse Parameter Nitrogen Phosphorus BOD TSS Turbidity Coliforms Conventional effluents 10 - 30 mg/L 1 - 30 mg/L 25 - 50 mg/L 25 - 50 mg/L 10 - 30 NTU NEW Water reuse standards < 6 mg/L 0.1 - 0.5 mg/L < 2 mg/L < 2 mg/L < 0.2 NTU 105 - 107 cfu/100 mL < 2.2 #/100 mL Virus / Protozoa 2-2.5 log Regional MBR Achieves 5-6 log MBR biological value MBR filtration value 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. PVDF as material of choice in UF for "hard-to-treat" waters PVDF (Polyvinylidene difluoride) 2000 ppm No > 99,9999% VS Resistance to cleaning chemicals (NaOCl) Need chemical aids dosing Pathogen removal PES (Polyethersulfone) 200 ppm Yes > 99,99% 0.25-1.0 bar Energy consumption (TMP) 0.25-2.0 bar 82% Water efficiency (av. recovery) 78% Drinking Water certifications 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. Impact of Restricting PVDF membranes for Water Treatmentt Employing alternative wastewater sources will be challenging in the absence of PVDF membranes, as the material enables: Lower land footprint and consume less energy Highest treatment quality and pathogen absolute barrier Lower chemical use (both coagulation and cleaning chemicals) Operational water treatment facilities currently using PVDF membranes will need to discontinue use, with double impact: Environment People Harder to meet Municipal WW Directive N & P limits, as well as net energy consumption requirements under DNSH Tech. Guidance. More than 25 million people in Europe and 140 million people in the World have their wastewater treated by MBR PVDF membranes 2022 DuPont. All rights reserved. Cannot be used without the express written consent of DuPont. Copyright 2022 DuPont. All rights reserved. DuPontTM and the DuPont Oval Logo are trademarks or registered trademarks of DuPont or its affiliates. The information provided herein is based on data DuPont believes to be reliable, to the best of its knowledge and is provided at the request of and without charge to our customers. Accordingly, DuPont does not guarantee or warrant such information and assumes no liability for its use. If this product literature is translated, the original English version will control and DuPont hereby disclaims responsibility for any errors caused by translation. This document is subject to change without further notice.