Evonik Membranes | ICESN

Information about Evonik Membranes | ICESN

Published on January 24, 2020

Author: icesn

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slide 1: BIOGAS UPGRADE with SEPURAN ® Green Micheal Yeong slide 2: About Evonik and Fibres and Membranes References High selectivity gas separation membranes SEPURAN ® Green for biogas upgrading Gas permeation Outline SEPURAN® Green Cartridge System slide 3: An attractive company • One of the global leaders in specialty chemicals • Investments in the energy and real estate sectors • Profitable growth and sustained value creation • Ownership structure: RAG-Stiftung 74.99 and CVC Capital Partners 25.01 slide 4: • Evonik is already one of the global leaders in specialty chemicals • Most of Evoniks sales are generated in areas where it ranks among the market leaders. • Strong integrated technology platforms • Balanced spectrum of business activities and end-markets • Close collaboration with customers • Market-oriented research and development Our focus: Specialty chemicals slide 5: Key figures in 2012 Sales €13.6 billion EBITDA €2.6 billion Production Plants 24 worldwide Employees as of Dec. 31 2012 33000 slide 6: Our focus for achieving high performances Cost Driven Performance Driven amorphous crystalline Engineering polymers High-performance polymers PET PBT POM PUR PC PPE Commodity polymers PA4.6 PPA PPS LCP FPs PEEK PA12 PA11 PAI PPSU PEI PES PSU PAR PA612 Transp. PA PA6 / PA66 PI PVC ABS PS SAN PE PP PMMA PMMI PMI Polymers from Evonik PE-LD PE-HD Semifinished products from Evonik PA 610 PA 1010 PA 1012 slide 7: New benchmark in biomethane production: SEPURAN ® Green Evonik’s contribution to an efficient biomethane purification process Biogas Gas Separation Biomethane slide 8: About Evonik and Fibres and Membranes References High selectivity gas separation membranes SEPURAN ® Green for biogas upgrading Gas permeation Outline SEPURAN® Green Cartridge System slide 9: Illustration of a gas separation process in a hollow fibre membrane Relative permeation rates of various gases Mode of operation of a membrane module for gas separation slide 10: About Evonik and Fibres and Membranes References High selectivity gas separation membranes SEPURAN ® Green for biogas upgrading Gas permeation Outline SEPURAN® Green Cartridge System slide 11: Selectivity Permeability Compound A / Permeability Compound B A CO 2 /CH 4 selectivity of 50 is one key for a successful process layout FAST SLOW Performance indicators for Evonik Membranes CH 4 0.6 N 2 1.0 CO 1.8 O 2 9.0 CO 2 30.0 H 2 90.0 H 2 O 400 Mixture Selectivity H 2 /CO 50 CO 2 /CH 4 50 O 2 /N 2 9 CO 2 /N 2 30 slide 12: About Evonik and Fibres and Membranes References High selectivity gas separation membranes SEPURAN ® Green for biogas upgrading Gas permeation Outline SEPURAN® Green Cartridge System slide 13: Traditional technologies dominate the biomethane market today Membrane Technology 3 Others 8 Water Scrubbing 32 Amine Scrubbing 30 PSA 27 Established Technologies not suited for decentralized Biomethane Source: DENA 2012 2011 Easy to operate slide 14: Evonik‘s Multi Step Biogas Upgrading Process with SEPURAN® Green is a game changer For the first time membrane technology can offer complete separation slide 15: 00 200 400 600 800 1000 1200 1400 1600 1800 2000 10 20 30 40 50 60 70 Membrane selectivity CO2/CH4 Recylce Stream Customer benefit: increased selectivity directly pays off by lower energy consumption Biogas: CH 4 533 CO 2 46 H 2 O 01 N 2 05 O 2 01 Compressor Membrane cascade for Biogas upgrading Biomethane CH 4 97 Off-gas 0.5 CH 4 Recycle Stream other membranes SEPURAN ® Green Membrane Modules slide 16: 0 5 10 15 20 25 0 500 1000 1500 2000 Biogas Feed Nm 3 /h cost for upgrading Ct/Nm 3 Biomethane Amine Scrubbing Water Scrubbing Pressure Swing Adsorbtion SEPURAN®Green SEPURAN ® based gas permeation is competitive for all typical biogas plant sizes Overall economic benefit of SEPURAN ® Green based biogas upgrading process slide 17: Profitability of biogas purification is highly dependant on plant size and technology Comparison between four biogas purification technologies Pressure swing absorption 17.9 – 26.5 ct/Nm³ 1 • Prod. pressure 4 bar • Low purity low yield • Medium plant footprint • Complex operation • Energy intensive Pressurized water scrubbing 12.5 – 21.1 ct/Nm³ 1 • Prod. pressure 6 bar • High water consumption • Low purity high yield • State-of-the-art 2011 Amine scrubbing 16.4 – 22.9 ct/Nm³ 1 • Product at 1 bara • Large plant footprint • Toxic chemicals • Energy intensive • High purity low yield 12.0 – 19.4 ct/Nm³ 1 • Output pressure 11 -16 bar • Easy to operate • No waste water • No chemicals • High yield and purity 1 Plant size 2000 Nm³/h – 200 Nm³/h SEPURAN ® Green slide 18: Conventional Single Stage Process Membrane selectivity CO 2 /CH 4 20 competitor 100 m 3 /h 8 bara 381 m 3 /h 8 bara 619 m 3 /h 1 bara Methane yield: 699 CH 4 529 CO 2 460 N 2 05 O 2 05 H 2 O 011 Dew Point 5 °C CH 4 258 CO 2 731 N 2 03 O 2 07 H 2 O 018 Dew Point -17 °C CH 4 970 CO 2 20 N 2 09 O 2 02 H 2 O 001 Dew Point -51 °C slide 19: Single Stage Process with SEPURAN ® Green Membrane selectivity CO 2 /CH 4 50 100 m 3 /h 8 bara 475 m 3 /h 8 bara 525 m 3 /h 05 bara 25 rel higher yields with high selective SEPURAN ® membranes Methane yield: 871 CH 4 529 CO 2 460 N 2 05 O 2 05 H 2 O 011 Dew Point 5 °C CH 4 131 CO 2 858 N 2 02 O 2 07 H 2 O 021 Dew Point -15 °C CH 4 970 CO 2 19 N 2 09 O 2 02 H 2 O 001 Dew Point -52 °C slide 20: Evonik process with conventional Membrane selectivity CO 2 /CH 4 20 competitor 100 m 3 /h 16 bara 543 m 3 /h 16 bara 457 m 3 /h 1 bara Methane yield: 996 Recycle: 1563 m 3 /h Area ratio: Stage 1: Stage 2: Stage 3 1:1:15 Stage 1 Stage 2 Stage 3 079 bara 26 bara CH 4 970 CO 2 16 N 2 09 O 2 05 H 2 O 001 Dew Point -64 °C CH 4 529 CO 2 460 N 2 05 O 2 05 H 2 O 011 Dew Point 5 °C CH 4 05 CO 2 988 N 2 01 O 2 05 H 2 O 011 Dew Point -23 °C slide 21: Evonik Process with SEPURAN ® Green Membrane selectivity CO 2 /CH 4 50 100 m 3 /h 16 bara 543 m 3 /h 16 bara 457 m 3 /h 1 bara Methane Yield: 996 Recycle: 337 m 3 /h Stage 1 Stage 2 Stage 3 1 bara 28 bara CH 4 970 CO 2 17 N 2 09 O 2 04 H 2 O 001 Dew Point -53 °C CH 4 529 CO 2 460 N 2 05 O 2 05 H 2 O 011 Dew Point 5 °C CH 4 05 CO 2 987 N 2 01 O 2 06 H 2 O 013 Dew Point -21 °C 78 rel less double compression with SEPURAN® Green Area ratio: Stage 1: Stage 2: Stage 3 1:1:15 slide 22: Stage 1 Stage 2 Stage 3 Sum 30 74 Modules 216.450 22 Separation capacity 64.350 Number of 4" Modules 22 64.350 87.750 700m³ /h Biogas upgrading with Evonik’s 3-stage process simulation Product Off gas Recycle Stream ca. 31 slide 23: 10 Nm³/h Pilot Plant in Neukirchen a. d. Vöckla Austria slide 24: Biogas Upgrading Pilot Plant with SEPURAN ® Green Membrane Modules Pilot tests in the field since 02/2011 Deliverables:  Separation behaviour Evonik Membranes  Permeability Selectivity over time  Influence of impurities of a real Biogas on the separation process  Long term behavior of the membranes  Implementation of Control System to guarantee:  A constant Biomethane quality for changing compositions and amounts of raw Biogas  Mass and Energy Balance  Methane Yield/ Loss  Module Capacity per Membrane Module slide 25: Results of the pilot plant in Neukirchen confirm the expectations since 02/2011 slide 26: About Evonik and Fibres and Membranes References High selectivity gas separation membranes SEPURAN ® Green for biogas upgrading Gas permeation Outline SEPURAN® Green Cartridge System slide 27: Sachsendorf Germany Capacity: 150 m³/h Start-up date: 10/2012 Prattln Switzerland Capacity: 210 m³/h Start-up date: 10/2012 Poundbury UK Capacity: 650m³/h Start-up date: 10/2012 Zeven Germany Capacity: 250m³/h Start-up date: 10/2012 Biogas-Upgrading plants in different sizes can now be referenced in the market Neukirchen Austria Capacity: 10 m³/h Start-up date: 2/2011 EVONIK CONFIDENTIAL slide 28: Profitability is only one amongst many advantages SEPURAN ® technology has to offer Summary advantages of SEPURAN ® based biomethane purification  No waste water treatment  Product gas already pre pressurized  Easy process little maintenance mainly compressor  No chemicals involved  Fits into a standard container / fits into the landscape  Flexible operation  Easy to scale-up  High methane yield high product gas quality Biomethane is already dry and satisfies the dew-point requirement for feeding into the grid Does not consume valuable biogas  Minimum membrane lifetime: 3 years  Excellent Life Cycle Analysis

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