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1 Christof Group, 2015 Klaus-Dieter Merzeder Christof Group, Reject to Power Austria Klaus-Dieter Merzeder Christof Group, Reject to Power Austria Triple.

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Presentation on theme: "1 Christof Group, 2015 Klaus-Dieter Merzeder Christof Group, Reject to Power Austria Klaus-Dieter Merzeder Christof Group, Reject to Power Austria Triple."— Presentation transcript:

1 1 Christof Group, 2015 Klaus-Dieter Merzeder Christof Group, Reject to Power Austria Klaus-Dieter Merzeder Christof Group, Reject to Power Austria Triple Effect of Reject to Power on Joburg’s Waste Vision

2 2 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Starting Point and CoJ Waste Management Strategy 2 prevention re-use recycling recovery disposal Global-Objectives for Waste Treatment Treatment of waste from households and industry is one of the main issues all over the world. Even with modern waste collection, re-use and recycling systems, one will end up with a fraction of mixed residual waste, which needs to be treated in a sustainable way.

3 3 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Typical Composition of Mixed Residual Waste 3 Based on Eastern European countries MIXED RESIDUAL WASTE Plastics:14% Organics:50% Glas: 4% Paper/Cardboard:18% Metal: 4% Miscellaneous:10%

4 4 Christof Group, 2015 JOBURG WASTE SUMMIT  No methane emissions – no landfill of organic material  Recycling standards and closed loop to be considered  High profitability and short pay back  Optimized energy output and maximized energy utilization  Easy, low cost operation and maintenance friendly  Substitution of fossil energy sources What do we expect from sustainable waste management ? Waste Treatment Requirements

5 5 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 What is Reject to Power? 5 Reject to Power is an incineration technology based on an impeller (“spinning wheel”), and a moving grate. Through that distribution the fuel particles fall on an existing glowing bed which ensures excellent burning conditions. Therefore the system is able to use fuels with a high moisture content and low heating value. The technology is a combination of:  Flight Phase Drying / Combustion (Similar to Fluidized Bed Technology)  Grate Combustion

6 6 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Introduction to the Innovative Combustion Technology 6  Spinning wheel fuel injection  Multi zones grate with separate air supplies  horizontal moving grate  defined combustion and burn out zone  Staged combustion by several air supplies  primary air  secondary air  primary and secondary recirculation air  Adiabatic combustion chamber Fuel supply by wheels Combustion tower 2 sec. Retention Time > 850°C Burnout zone Individually controlled air supply Secondary air Post combustion Secondary air Combustion zone primary and recirculation air Recirculation air Grate ash

7 7 Christof Group, 2015 JOBURG WASTE SUMMIT Additionally required systems  Fuel: treatment, transport and storage  Ash: transport and storage Main Plant Components R 2 P Core unit Boiler Flue gas treatment Modular - concept from 5 to 30 MW Tailored system

8 8 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Plant and Fuel Capacity Ranges 8 Plant sizes From 5 MW to 30+ MW thermal firing capacity Modularized units Steam From 15 to 80 bar Steam Pressure Saturated or super-heated steam Range of residues Lower Heating Value from kJ/kg Maximum Water Content: 45% Ash Melting Temperature:min °C

9 9 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Case Study 1 9 R2P  Pros  Moderate investment  High efficiency  Generation of electricity and steam  Simple installation and service  Cons  High specific investment of electric power generation  Low electric power output  No backup R2P with steam turbine

10 10 Christof Group, 2015 JOBURG WASTE SUMMIT 2015  Pros  Low investment  Simple process  High efficiency  Cons  No power generation  Only for heating supply  Cooperation industrial and community Case Study 2 10 R2P R2P Heating boiler

11 11 Christof Group, 2015 JOBURG WASTE SUMMIT 2015  Pros  High efficiency  Flexibility in fuels  Back up  Generation electricity and heat  Cons  Higher investment cost  Combination industry and community Case Study 3 11 R2P Fossil Fuel Boiler R2P with coal boiler and steam turbine

12 12 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Case Study 4 12 R2P  Pros  Tailored solution for industrial requirement  Generation electricity and heat  Cons  Highest investment  Sophisticated concept, 3 units  Lot of power generation based on natural gas  Industrial solution  Common European concept R2P boiler and CHP gas turbine

13 13 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Case Study Summary 13

14 14 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Magic 3 R and Triple Effect 14  Waste to landfill By innovative process as  (separation at source)  Paper  Glas  Plastic etc.  Waste as fuel  Waste as fuel a social and environmental challenge  Prepare fuel for thermal treatment  Production of high quality fuel  Recycling of metals  Waste to Energy through incineration  Generating electric and heating energy  Partnering with industry and community as joined project  Ash is harmful, eluate free and without E-coli bacteria RECOVERY REDUCE RE-USE Potential for significant Reduction

15 15 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Flow Diagram 15  Example for cardboard production residues Utilisationrate of 99%  Example for household waste Max. Utilisationrate of 98% with 86% without 53%

16 16 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 References 16 Saica Containerboard PartingtonStartup: 2012 Fuel Heat Capacity: 22 MW Fuel: rejects and paper fibers from cardboard mill MM Karton HirschwangStartup: 2005 Fuel Heat Capacity: 4,8 MW Fuel: rejects, wood and bio sludge RBB BöblingenStartup: 2008 Fuel Heat Capacity: 6,0 MW Fuel: screening residues from wood chip fabrication

17 17 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Motivation for this innovative Technolgy 17  Best Practice Combustion Technology  Wide Range of Residues and Solid Fuels  Reliable and Proven Technology  Benefits for the CoJ  Reduce landfill significant  Re-use waste as energy source  Low investment by high pay back  Minimizing transport activities  Achieving all limits according to the European Waste Directive  Tailored plants for individual requirements  SA needs a Waste to Energy success story  lets start it ! is the solution for your requirements!

18 18 Christof Group, 2015 JOBURG WASTE SUMMIT 2015 Christof Group 18 SERVICES OF THE GROUP COMPETENCE & EXPERIENCE

19 19 Christof Group, 2015 Thank you for your attention. Any questions? Klaus-Dieter Merzeder Christof Group, Reject to Power Austria Klaus-Dieter Merzeder Christof Group, Reject to Power Austria


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