Springdale Group
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Transcript of Springdale Group
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Springdale Group
Some examples of the role of “technology transfer” in developing crop derived bio-energy.
Clifford Spencer BSc. (Agric) CHAIRMAN
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Head Office at Springdale Farm
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Mission
To develop a global business establishing field production, added value processing and retail marketing of non food crops and their products. Principal markets include industrial oils, fibres and energy.
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“The Springdale Project”
Innovation in non food cropping.
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Springdale Group
Group Structure
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Production FlowSpringdale Science - Breeding
Springdale Farm Ltd – Seed Multiplication and agronomy development
Springdale Crop SynergiesContract Production through Distributors
Springdale Natural Products(including MotherHemp & Eurofibre)
External end User Costumers e.g. Croda, Boots, AarhusKarlshamns
Springdale Renewable Energy
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Springdale Group
Seed breeder
Farmer
Science
Extractor
Processor
End User
SPRINGDALE
Advisors
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‘Technology transfer’areas in crop derived bio-energy
• Crop choice for region• Directed plant breeding• Agronomy development• Supply chain establishment• Logistics (national and global supply chains)• Development of crop energy conversion systems• Energy distribution network• Energy marketing and information
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Crop breeding and agronomy technology transfer
• Springdale works closely with plant breeders
• e.g. Syngenta – trialling crops for Europe’s largest plant breeder, plus currently six specialist breeders from around the world for emerging non food crops (e.g. Crambe), and CNAP for hemp oilseed breeding.
• New ‘country specific’ non-food crop variety breeding development now ongoing for Springdale.
• First example was Syngenta’s Skipper oilseed rape selected by Springdale in the UK some seven years ago for biodiesel. Now with energy as a significant market, oilseeds can be bred for different desirable characteristics. Thus glucosinolates in the oilseed plant can be enhanced rather than suppressed in these breeding programmes due to their undesirable effect on seed meals for animal feeding no longer being an issue when the meal is burnt. Also the dietary problem of erucic acid in the oil is not seen as an impediment in oil for biofuel. Plants can be bred for low level input growing environments and systems.
• Husbandry development through comprehensive ‘in country’ trial and demonstration. Agronomy can also be different for non food uses e.g. use of biosolids for plant nutrition also assists another environmental challenge with these materials.
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Springdale/Syngenta Partnership
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Skipper oilseed rape multiplication(a short variety with a specific fatty acid profile of
benefit to biodiesel manufacture)
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Springdale Crop Synergies
• Providing renewable raw materials for specific products for non food crop markets
• Clear identification and traceability through assured production including Organic
• Storage, conditioning, extraction, processing, and transport to the end user
• Reproducible quality
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Springdale Crop Synergies Global Crop development
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New opportunities for non-food oilseed crop ‘Crambe’
• Existing use as a slip agent
• New use as a biofuel
• Crambe has the highest Cetane value (burn ability) of any vegetable oil
• Crambe is a low input crop suitable to developing countries
• Crambe has an excellent environmental profile as a fast growing short season crop
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Springdale Crambe seed multiplication (New Zealand)
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Springdale pioneers Crambe (desert) production in Saudi Arabia
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Bill Rustrick of Springdale in field production discussions in oilseed rape crop in Ethiopia
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Springdale Crambe trial site in Chile
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The role of
Springdale Renewable Energy
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“To preserve and renew – is almost as noble as to create”
Voltaire (Philosopher)1694 - 1778
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SPRINGDALE RENEWABLE ENERGY
Main areas of activity:
1) The use of straight vegetable oils in static engines for power generation
2) The use of biomass for power generation
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Springdale Renewable Energy PROJECTS1) Stem Energy
-JV with Harworth Power-£11M project to generate 10MW from oilseeds and by-products using existing technology in a novel way (system patented). Thus the system rather than the technology is to be transferred to developing countries.
2) On-farm development unit - how do we use vegetable oils in reciprocating engines both technically and commercially? - what is the next step in bio-combustion?
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Springdale Renewable Energy PROJECTS (continued.)
3) The use of SVO- vegetable oils (palm, soya, rape, new non food crops e.g. crambe) in continuous power and heat generation e.g. glasshouses, hospitals
4) Electricity from Biomass -Biomass Turbines – new technology particularly developed for use in developing countries e.g. equipment suitable to be containerised for use in remote locations.
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• Joint Venture between UK Coal & Springdale • Renewable Energy power stations (+10MW) using
UK Coal sites on ex-mines
• Minimal costs grid connection
• Existing rail/road links for seed/oil/meal transportation
• Site at Harworth has existing boiler/generator and requires only a combustor/fuel handling system thus keeping start up costs to a minimum
Biomass Power Generation
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• Reproduction not only on other UK ex-mine sites but on a worldwide template
• The system can utilise/revitalise redundant or underdeveloped crushing facilities in industrial areas of developing countries
• Ideal partner set up to biodiesel production and plant
Biomass Power Generation
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UK Coal HQ at Harworth
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Principle - Energy from seed
• Oil seeds crushed to separate the oil from the meal on site
• The oil can be used as a food oil or as transport fuel or in static diesel generators to produce electricity
• The meal will be burnt in a dedicated biomass conventional CHP plant to produce electricity and heat
• All the seed can be used for energy purposes
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Different approach• Burn the cake, sell the oil
Mass Energy Value Oil 43% 54% 70%
Cake 57% 46% 30%
Cake has 53% by real value as energy
• Combust high volume low value cake on site• Utilise existing commodity chains as fuel supply• Utilise known technology• Attribute logistic costs to high value product (oil)
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Stem Energy – Harworth Power Plant
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ON-FARM DEVELOPMENT UNIT
OBJECTIVES
1. To accumulate a technical and economic database to assess the performance of oilseeds, oils and biomass in the production of electricity and biofuels
2. To be able to assess the efficiency of expelling, degumming, esterification and power generation from reciprocating engines and bioturbines
3. To be able to predict the optimal economic solution for power generation as fuel input and energy output prices change.
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Redundant farm building used as base for bio-energy development unit
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KEY:1. SEED INFILL HOPPERS.2. OIL PROCESSING PRESS.3. DEGUMMING PLANT.4. ESTERIFICATION PROCESS.5. BIO-COMBUSTOR/BIO-TURBINE.6. MEAL STORAGE HOPPER.7. ELECTRICAL LOAD TESTING PLANT.8. VEGETABLE OIL POWERED GENERATOR.9. OIL BLENDING.10. VEGETABLE OIL TO STORAGE LINES.
PROPOSED DEMONSTRATION/RESEARCH FACILITY
“Wet” processing side
“Dry” processing side
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Economics of SVO in the UK
For example, crude palm oil:
9MW turnkey energy plant £4.4MCrude palm oil 39GJ/T @ £270/T dldEngine efficiency 44%1tonne oil 4.77MWh1 MW £92/MWhRunning hours 8000/yrOil consumption 14865T/yrGrid connection £1MO+M £0.5MDepreciation 10%ROC 26% + heat/cooling ???
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Electricity from Biomass: “technology” options
• Boiler and steam turbine
• Gas Engines
• Gas Turbines
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Direct combustion - the Bioturbine: technical concepts
• Direct combustion - potential for highest efficiency / lowest cost / basic technology
• Wood is the cleanest biofuel• Turbine inlet cooler than ash fusion
temperature. Sub micron ash flows• Simple and robust gas turbine with suitable
small units now becoming available• Resistant to deposition, erosion & corrosion• High quality exhaust heat for CHP applications
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The Barnstaple Rig
• Created microturbine combustion conditions with small gas turbine generator set
• Demonstrated control of wood combustion
• Biodiesel burner - start-up, accelerate wood combustion, control
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“The Barnstaple Rig”
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30KW gas turbine assemblyy
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Mini turbine from exhaust –very clean after 130 hours running
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The next steps:facility development
• Combustor for 90% wood combustion & development to commercial system
• Gas turbine - low cost and ruggedised• Wood feed system• Controls for operation and safety• Experimental programme, including wood size
and type, other biofuels eg rape meal, endurance tests
• £1 million of support from UK government
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Biomass Turbines Ltd.
(A Springdale Group company)Proposed 250 kWe biomass-fired CHP plant
(B)Process
Mass & Energy Inventory
Combustion air in
2.12 kg/s,1 bar,15 oC
Compressor
Combustor
Cyclone Filter
Primaryair
0.13 kg/s4.5 bar202 oC
Heat Recovery Stages
Secondary air
1.99 kg/s4.42 bar524 oC
CleanFlue Gas to Stack
2.17 kg/s
Final (Cold) Gas Filter
Comminuted Wood Fuel
170 kg/hour
Dry Ash out
3.4 kg/hour
from Heat Load
to Heat Load382 kW(th)
Alternator
to Electrical Load
245 kWe
Pressure Lock/
Air-Fuel Mixer
Cold Flue Gas out
2.17 kg/s1 bar
130 oC
Auxiliary Fuel
7.74 kg/hour
Primary air/ wood fuel
0.17 kg/s4.42 bar125 oC
System electrical efficiency: 27%
Overall conversion efficiency: 68%
Turbineexhaust
2.17 kg/s1.06 bar581 oC
2.17 kg/s4.33 bar850 oC
Secondary air (via
Recuperator)
Turbine
to System Auxiliaries
5 kWe
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Patent Protection to protect technology transfer
• Patent granted on direct combustion system to promote fragmentation of the biomass fuel particles
• Various European and US Patents granted on this system
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Significant potential in developing countries
• CHP applications
• Combating the increasing costs of imported fossil fuels and products
• Can site units near to fuel (crop) production
• Range of unit size - 250kWe to 15MWe
• World market
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Economics of BIOTURBINE in UK
1MW Turbine £700kWood 20GJ/T @ £40/T dldEfficiency 23.5%1T wood 1.31MWh(e)1T rape oil 2.55 MWh(e)1MWh £92Running hrs 8000/yrWood consumption (90%) 5504T/yrOil consumption (10%) 313T/yrFuel cost £364k/yrIncome £736k/yrGross margin £372k/yrDepreciation 10%ROC 37%
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http://www.springdale-group.com
Springdale Crop Synergies LtdSpringdale Farm
RudstonDriffield
East YorkshireYO25 4DJ
Tel: 01262-421100 Fax: 01262-41101Website: www.springdale-group.comEmail: [email protected]