Waste to Fuel. SEPURAN Green Biogas upgrading. PowerStep, IFAT 16th May 2018

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1 Waste to Fuel SEPURAN Green Biogas upgrading PowerStep, IFAT 16th May 2018 Evonik Resource Efficiency Volker Wehber,

2 Agenda General Concept on Gas Separation with Membranes SEPURAN Green for Biogas purification 2

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4 Evonik reduced to numbers ~13 Activities in > Billion Euro turnover in 2016 countries Sites >35,000 Employees in over 100 countries 2.165billion Euro EBITDA 2016 ~500 R&D projects 4

5 Evonik Fibres GmbH, Austria 5

6 Gas-separation processes using a hollow fiber membrane Mode of operation of a membrane module for gas separation bore side feed Relative permeation rates of various gases H 2 O He H 2 CO 2 O 2 Ar N 2 CH 4 6

7 SEPURAN Product family to be applied in diverse industries Market leading selectivity Long term stability Industry standard productivity Market leader in Biogas upgrading units NG Green On site nitrogen generation Purities from % Superior air-factor (~2.2) High productive modules N2 SEPURAN Noble He recovery from Source gas or Diluted streams H2 recovery H2/CO ratio adjustment CO concentration 7

8 SEPURAN - value chain and business model Various Industries Monomer Polymer Hollow Fibre Membrane Cartridge / Module OEM / Separation Process End User Evonik Business Technology Support & Application Development 8

9 Agenda General Concept on Gas Separation with Membranes SEPURAN Green for Biogas purification 9

10 Biogas sources and Biomethane use 10

11 Biogas sources and Biomethane use 11

12 Biogas sources and Biomethane use 12

13 Biomethane for mobility, chemical feedstock and heat & power Using Biomethane purified by SEPURAN Green in vehicles Using Biomethane purified by SEPURAN Green as feedstock for chemical processes Using Biomethane purified by SEPURAN Green in energy applications (CHP)

14 Apex AG, Däniken Switzerland Project Schönenwerd Switzerland Schönenwerd, Solothurn, CH Upgrading Container CNG Storage Fueling Process Client: ARA Schönenwerd Operating Pressure: 16,0 bar Biogas: WWTP Upgrading: 40 Nm³/h Biogas Process: Downstream: 3-stage membrane CNG fueling station Methane: 97,0 Vol% CH4 14

15 Yesco ES, Seoul City SK City Gas Project in South Korea Seoul City, Seoul, South Korea Yesco s upgrading Mefin SEPURAN Green piped in a rack Client: Yesco, ES, City Gas Seoul Operating Pressure: 9,8 bar Biogas: Sewage sludge from WWTP Upgrading: 1,500 Nm³/h Biogas Methane: 97,5 Vol% CH4 Process: Downstream: 3-stage membrane Gas grid injection to supply private households & industry 15

16 Tecno Project Industriale, Curno IT Montello-Project in Italy Montello, Region Bergamo, Italy Montello Waste Treatment Plant Disgester 5 new ones installed Client: Montello Operating Pressure: 16,0 bar Biogas: Municipal Waste Upgrading: 5 x 1,250 Nm³/h Biogas Methane: 97,0 Vol% CH4 Process: Downstream: 3-stage membrane CNG & gas grid injection CO2- liquefaction sold to respective industry 16

17 2018: > 150 Global references of upgrading plants supplied with SEPURAN Green membrane technology Sepuran Green membrane can be used in small-, mid- and large scale installations. * not all installations are displayed here yet 17

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