Welcome to Niederaußem Power Station and Coal Innovation Centre

Transcription

1 Welcome to Niederaußem Power Station and Coal Innovation Centre Tilman Bechthold Power Station Manager RWE Power Tilman Bechthold 9/23/2011 PAGE 1

2 Niederaußem Power Station Gross power capacity: 1 3,949 MW Net power capacity: 1 3,680 MW Net efficiency 31% to 43% Net generation: 2 27 TWh/a Consumption of lignite: 2 30 Mio. t/a Number of units MW: MW: MW: 2-1,000 MW: 1 Start of operation: located in Bergheim-Niederaußem No. of employees (FTE): ca after completion of retrofit of units G/H 2 based upon an average of h/a RWE Power Tilman Bechthold 9/23/2011 PAGE 2

3 Exit from Nuclear Power in Germany results midterm in even higher Need for Imports and New Built Forecast of Electricity Generation by Fuels after Exit Decision TWh 700 Imports up to 25 TWh GW Renewables New Built fossil fired Generation Fossil fired Generation Nuclear Source: RWE Power RWE Power Tilman Bechthold 9/23/2011 PAGE 3

4 CO 2 -balance of gas-fired P/S deteriorates significantly taking into account indirect emissions Indirect emissions mainly result from: > Upstream business / gas production > Transport Source: Calculations by RWE; Wuppertal Institute; Gemis 4.2 (Öko-Institute 2002) Fichtner (2001) Source : Wuppertal Institut für Klima, Umwelt, Energie Treibhausgasemissionen des russischen Erdgas-Exportpipeline-Systems, 2005, S. 3 RWE Power AG Tilman Bechthold SEITE 4

5 RWE s Strategy for CO 2 -Reduction today P/S- Renewal Continous renewal of existing Kraftwerkspark: power kontinuierliche Erneuerung station fleet tomorrow Efficiency Improvement through new Technology (WTA 1), 700 C-Techn.) Commerialisation CCU The day after tomorrow CCS (Carbon Capture& Storage) Pre- and Post Combustion Implementation of a CO 2 -Infrastructure Replacement of Oil and Gas; Secondary-Energy to support Flexibility in Electricity Market 1) WTA = fluidized-bed drying with internal waste heat utilization RWE Power Tilman Bechthold 9/23/2011 PAGE 5

6 Innovation Projects linked to Unit K (BoA) WTA -Prototype Plant in operation since 2008 Improvement of Efficiency CO 2 -Scrubber Pilot Plant In operation since 2009 Basis for CCS/CCU REAplus Pilot Plant In operation since 2009 Reduction of SO 2 -/Dust Dream Production Operation started in 2011 Algae Production In operation since 2008 R&D-Cooperation / BRAIN In operation since 2010 Synthetics made from CO 2 CCU (biological) CCU (Biotechology) *Further project CO2RRECT will be implemented in autumn 2012 RWE Power Tilman Bechthold 9/23/2011 PAGE 6

7 WTA 1) Pilot Plant at Niederaußem PS Raw lignite throughput: 210 t/h Dry lignite output: 110 t/h Fuel portion of BoA: ~ 25 % Increase in efficiency: ~ 1 %-pt Investment volume: 45 mill. Commissioning: mid 2009 CO 2 -emissions of the BoA-Unit can be reduced by some 300,000 t CO 2 per year by operation of the WTA-prototype plant. 1) WTA = fluidized-bed drying with internal waste heat utilization RWE Power Tilman Bechthold 9/23/2011 PAGE 7

8 CO 2 -scrubbing pilot plant in Niederaußem Planning Construction Operation Key data of pilot plant: Location: Niederaußem Power Station, BoA-Unit CO 2 capture rate from flue gas slipstream: 90 %, ~ 300 kg CO 2 /h Height: ~ 40 m, area: ~ 15 m x 5 m Commissioning: mid-2009 RWE Power Tilman Bechthold 9/23/2011 PAGE 8

9 High-performance FGD-Scrubber REAplus Prozesswasser Process water Main components: Sprühturm Modul Spray tower module "REAplus" REAplus module Modul Kalksteinsuspension Limestoneslurry Reingas Pure Nasselektrofilter Wet precipitator Modul module Rohgas Raw Tropfenabscheider Mist-eliminator Modul module Gegenstrahl Countercurrent Modul module Gypsum slurry Sumpf module Modul Countercurrent module: Coarse spraying level for pre-separation REAplus module: Turbulent reaction bed for the main separation process Spray tower module: Fine spraying level for fine separation Mist-eliminator module: Coarse-droplet separation Wet precipitator module: Fine-droplet separation and aerosol collection Sump module: Gypsum formation reactions (oxidation und crystallization) RWE Power Tilman Bechthold 9/23/2011 PAGE 9

10 Options for utilisation of CO 2 (CCU) CO 2 Direct Utilisation CO 2 Chemical Products CO 2 -Srubber CO 2 Chemical Energy Storage Power Station Flue gas Biology Flue gas Biotechnology RWE Power Tilman Bechthold 9/23/2011 PAGE 10

11 Project Dream Production a first milestone of chemical CO 2 utilisation Kraftwerk Niederaußem Niederaußem Power Station RWE Power Rauchgas CO 2 -Wäsche Srubber CO 2 Verflüssigung Liquefaction Abfüllung* CO 2 -Transport Pilotanlage Plant for zur Production Polymerproduktion, of Polymers And Materialtests Test of Materials Laboratory Laboruntersuchungen Ö Partner: RWE Power, Bayer, RWTH Aachen Budget: Total budget 8.7 mio., thereof 4.7 mio. by BMBF Duration: 3 years, start in May 2010 RWE Power Tilman Bechthold 9/23/2011 PAGE 11

12 CO 2 -Conversion with Mikroorganisms Production of Biomass Flue gas Direct utilisation of biomass Conversion of biomass Niederaußem Power Station Microbial CO 2 - Conversion Energy Chemical raw products Special Products Production of Chemicals RWE Power Tilman Bechthold 9/23/2011 PAGE 12

13 Algae cultivation for utilization of CO 2 Motivation Micro-algae grow faster than land plants and therefore bind more CO 2. Micro-algae can be industrially cultivated in photo bioreactors. Locations can be used, where farming is not possible. The CO 2 needed for growth can originate from flue gas from power plants. Separation of the CO 2 from the rest of the flue gas is not necessary. The produced micro-algae biomass has to be converted into utilizable products (like fuels or biogas). RWE Power Tilman Bechthold 9/23/2011 PAGE 13

14 Lignite-fired power plant with optimized plant technology (BoA) Cooling tower Steam generator Control room Electrostatic precipitator Flue gas desulphurization Turbine house RWE Power Tilman Bechthold 9/23/2011 PAGE 14