Juniper Consultancy Services

Publications of Juniper Consultancy Services Limited

for the Waste, Environmental and Bio-energy Sectors

Emerging Solutions for Managing Scrap Tires:
Technology Options and Market Opportunities


The report has over 250 charts, tables and graphics

Simplified life cycle for rubber products           

Key issues for public Authorities         

Key market drivers for process developers     

Key decision parameters for customers          

The main options for managing scrap tyres

The structure of a tyre

Composition range for tyres   

Coverage of tyre treatment in the UK  

Worldwide annual scrap tyre arisings by region        

Estimated tonnages of scrap tyre arisings in 2004 by country         

Scrap tyre arisings by source in Europe           

Source of waste tyre arisings in the UK (1999)          

Estimated tonnages of scrap tyre arisings in 2004 by country           

UK tyre stockpile survey 2002

Stockpiled scrap tyres 

Main market drivers influencing the scrap tyre industry 

How do market drivers affect the scrap tyre treatment industry?      

Summary of the potential impacts at each stage of the life cycle of a tyre     

Example of a tyre fire in Germany , 2002         

Products from material recycling of scrap tyres           

Environmental arguments for value recovery options 

Selected countries with bans on depositing tyres in landfill   

ELV targets in Europe        

Rate of scrap tyre recovery from scrapped vehicles in Europe

Categories of Producer Responsibility Obligations (PRO)

Overview of regulatory intervention worldwide

Examples of voluntary producer responsibility agreements   

Examples of mandatory producer responsibility agreements 

Scrap tyre management in The Netherlands    

Scrap tyre management in countries with legally binding PROs          

Canadian tyre stewardship programmes  

Regional collection quotas in Belgium          

Worldwide market shares in tyre manufacture      

Drivers for tyre manufacturers' increasing involvement in scrap tyre management     

Tyre producer organisations in Europe

Tyre waste collection rates around the world

Retail and distribution networks of leading tyre manufacturers        

Examples of large players in the European collection market    

Management options for scrap tyres    

Advantages & disadvantages of tyre retreading  

Tyre retreading in parts of Europe and in North America & Australia    

Baled tyres for flood defence  

Safety barrier at Donnington Park motor sport track 

Tyres used for a floating wave barrier        

Pictures of artificial reefs  

Tyre devulcanisation technologies & their current commercial status            

Some companies active in the tyre/rubber devulcanisation sector   

Applications for 'Reclaim' rubber     

Schematic of the Gujurat Reclaim Rubber Process         

Classification of TDP  

Examples of cutters used for shredding tyres        

Example of a dual shaft hook & shear shredder for tyres

Example of a hexed shaft CRS for tyres          

An example of a Holman shredder  

Illustration of replaceable knives on a Holman shredder      

Industrial 4-shaft hook and shear CRS           

Comparison of shredder designs   

Factors that affect the consumption of LN2 in cryogenic milling  

Comparison of cryogenic grinding systems 

Advantages & disadvantages of cryogenic vs. ambient grinding     

Comparison of particl e size distribution from cryogenic & ambient grinding    

Some important properties of cryogenic and ambient ground rubber     

General comparisons between ambient and cryogenic grinding  

Quantity of rubber used in different road applications in Australia

Claimed advantages of rubberised asphalt          

Major suppliers of tyre shredding & granulating equipment

Columbus McKinnon - selected references        

A diagram of Columbus McKinnon tyre shredder           

Product sizes and throughputs for the CM tyre shredder

Process data & costs for Columbus McKinnon's tyre shredder

Energy consumption of CM shredders      

Data for CLG's shredding & granulating machinery     

Primary shredder and trommel at CLG's UK tyre plant      

Final particle size screening & bagging at CLG's recycling plant        

An example of an Eldan shredder         

Technical specifications for Eldan's shredders and granulator        

Service life of consumable wear parts for Eldan shredders          

Eldan - selected reference plants       

Schematic of the Tirex TCS process   

RTG's Reclaprocessor system  

Rubber crumb specifications for the Reclaprocessor system    

Thermal technologies for managing scrap tyres  

Products & emissions from thermal technologies  

Thermal treatment processes for tyres by source country          

Schematic of the tyre incineration process

Typical composition of flyash from a tyre incinerator

Modesto tyre incinerator with tyre pile        

View of the Exeter Energy tyre incinerator           

Schematic of the Pulsed Hearth furnace at Elm Energy, Wolverhampton, UK   

Energy content of common fuels

Typical contaminant levels in scrap tyres          

Typical compostiion of tyres and tyre derived fuels   

Comparison of inputs to and outputs from a cement kiln and a dedicated incinerator           

Results of trials using shredded tyres at the Cauldon Cement Works, UK         

Ash analysis from burning TDF and coal        

Schematic of the scrap tyre gasification process        

Why use plasma for waste treatment?   

Main developers of plasma technologies for waste treatment         

Why use microwave technologies for waste treatment?        

Developers of microwave technologies for waste treatment     

Pyrolysis technologies - process conditions & major products            

One possible mechanism for pyrolysis reactions  

Pyrolysis reactors - heating methods & rates    

Schematic of a tyre pyrolysis process    

Commercial status of tyre pyrolysis processes

Companies promoting novel thermal technologies for treating scrap tyres  

Legend to Juniper's process flow schematics    

Schematic of the AMAT microwave process     

AMAT microwave process vessel          

Yields of carbon, oil, gas and steel from the AMAT process        

Comparative tests for AMAT's tyre derived steel         

Gaseous emissions from the AMAT process           

View of the Kaohsiung tyre pyrolysis plant       

Schematic of the Alcyon TiRec process  

Reported product yields from Alcyon's TiRec process

Schematic for the Coalite process        

Reported product yields from the Coalite process  

Indicative physical & chemical data for the Coalite process         

View of the Beven Recycling Plant at Witney, UK         

Schematic of the Beven process     

Reported product yields from the Beven process         

Reported emissions from the Beven process     

Schematic of the CPI process        

Reported product yields from the CPI pyrolysis process   

Reported properties of rubber made incorporating Velocarb         

Schematic of Compact Power process

Schematic of the Conrad tyre pyrolysis process  

Reported yields from the Conrad process           

Energy value of products from the Conrad process         

Schematic of an ICFB reactor 

Summary of data from Ebara ICFB tyre combustion plant  

Reported emissions data from Ebara's ICFB plant for tyres 

Schematic of the Ebara ICFB process         

Schematic of the Emery gasification process for scrap tyres    

Emery's pilot scale gasification plant 

Schematic of the EWI process      

Reported product yields from the EWI process    

Properties of EWI’s upgraded pyrolysis char

Reported composition of pyrolysis gas from the EWI process         

Composition of pyrolysis oil from the EWI process

Average operating values for the Krupp Polysius pilot plant treating tyres   

LIG plant under construction, May 2002

Schematic of the LIG pyrolysis process

Reported product yields from the LIG pilot plant

Rotary kiln char activation reactor for Miltzow plant

Characteristics of light oil from the LIG pyrolysis process

Mass balance for the LIG mbH tyre plant at Miltzow

View of Metso's pilot scale rotary kiln   

Schematic of the Metso tyre pyrolysis process          

Reported product yields from the Metso process        

Reported syngas composition from the Metso process           

Comparison of Metso pyrolysis oil with a commercial grade oil           

Properties of the carbon black from the Metso process    

Relative properties of Metso's carbon black in compounding.       

Schematic of the Nathaniel thermal combustor     

Schematic of the Nathaniel process   

Schematic of the Nesa process for scrap tyres    

Nesa's pilot plant

A commercial scale multiple hearth pyrolyser       

Schematic of the Okadura carbonising process 

Reported yields from the Okadura process         

View of the Okadura pyrolysis reactor           

Reported properties of Okadura's pyrolysis oil       

Schematic of Pyrovac's process development unit 

Typical yields from the Pyrovac process      

Relative characteristics of conventional carbon black and carbon black from the Pyrovac process

Reported characteristics of pyrolysis oil from the Pyrovac process     

Schematic of the Thermogenics gasifier        

Schematic of the Thermogenics process for treating scrap tyres

CV of syngas from Thermogenic process  

Analysis of cleaned syngas from tyre gasification 

Mass balance for the Thermogencis gasification process     

View of the Taipei recycling facility

Schematic of the Titan tyre pyrolysis process      

Estimated product yields from the Titan process        

Reported properties of pyrolysis oil from the Titan process    

Cross-section schematic of the Traidec DTV reactor      

View of the Traidec pilot pyrolysis process   

Process options to use scrap tyres as a resource

Process options to use scrap tyres as an energy source

Proposed products from thermal processes for scrap tyres      

Plants processing scrap tyres that have operated between 1994 and 2001    

Companies/processes no longer actively processing scrap tyres        

Status of plants currently processing scrap tyres   

Scrap tyre arisings currently processed by standalone thermal processes 

Scrap tyre arisings currently processed by co-combustion        

Operational lifetime and throughput capacities of scrap tyre incinerators       

Comparison of scrap tyre incinerators supplied by Standardkessel Lentjes     

Number of pyrolysis processes aiming to produce marketable products

Comparison of product yields from the pyrolysis of car tyres        

Qualitative evaluation of thermal treatment options for tyres      

Commercial status of pyrolysis and gasification processes for scrap tyres  

The value of tyres relative to other fuels     

Summary of the effects of processing parameters on char properties        

Effect of temperature and heating rate on char yields (wt%)      

Desirable material properties in potential applications for char      

Summary of the effects of process conditions on activated char properties    

Rubber grade carbon black classification  

Properties of some commercial rubber grade carbon blacks

Summary of the effects of process conditions on activated char particle size          

Worldwide carbon black consumption by industry   

Market price of carbon black    

Summary of the effects of process conditions on pyrolysis oil properties

Summary of the effects of pyrolysis process conditions on the properties of syngas

Potential market barriers for alternative supplies of carbon black          

The ability of markets to absorb tyre-derived products

Current treatment vs. potential capacity of tyres in cement kilns in key markets      

Market acceptance of tyre-derived products in key applications

Factors affecting process economics    

Comparison of Capex and Opex for key process options        

Economic attractiveness of scrap tyre management options    

Break-even analysis for competing process options          

Limiting factors, key advantages & critical success factors for key processes

Project risk analysis      

Technology risk vs market risk for key management options 

Summary of our risk-return analysis

Projection of scrap tyre arisings worldwide

Worldwide development of vehicle sales (1980-2012) 

Predicted average annual growth rate of scrap tyre arisings by region (2004-2012)  

Worldwide growth in tyre arisings 

Scrap tyre arisings in Western Europe in 2004 by country         

Growth in tyre collection in Europe

Scrap tyre arisings in selected Asian countries 2004-2012    

Tyre export in Europe: 2002-2012     

Current & projected scrap tyre exports from North America and Japan   

World-wide split in choice of management method for used tyres   

Commercial status of the various management options for scrap tyres       

Recycling infrastructure in selected areas of the world

Selected major players in the European tyre recycling industry

Worldwide co-combustion of tyres in cement kilns  

Cement producers using tyre waste for co-combustion worldwide    

Dedicated tyre-to-energy facilities operating worldwide 

Trend of landfilling of tyres in selected co untries: 2001-2012         

Additional capacity required by 201 2     

Predicted cumulative value of new infrastructure in key regional markets

Forecast investment by technology type        

The ma rket oppo rtunity for novel thermal processes       

Regional status of tyre waste treatment in the Industrialised world        

Tyre treatment infrastructure in Europe   

Tyre treatment in Europe i n 2002        

Market forecast for tyre management options in Europe    

Tyre treatment infrastructure in North America

Breakdown of recycling markets in US and Canada       

Thermal processing tyres in the USA by application          

Projection of scrap tyre management in the US: 2002  -2012         

Scrap tyre management in Japan: 1999-2012        

Contents
Charts & Tables
Processes Reviewed
Sample Pages

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