Recycling nutrients from biowastes - ISWA / EESC Circular Economy and Biowastes 14-11-2016
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Transcript of Recycling nutrients from biowastes - ISWA / EESC Circular Economy and Biowastes 14-11-2016
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 1
www.phosphorusplatform.eu
Recycling nutrients from biowastesChris Thornton - European Sustainable
Phosphorous Platform• [email protected]
• www.phosphorusplatform.eu @phosphorusfacts
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 2
www.phosphorusplatform.eu
Phosphorus:essential, non substitutable,non renewable
Use of phosphate rock www.aguiaresources.com.au
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 3
www.phosphorusplatform.eu
Phosphate rock is on EU Critical Raw Materials list- Linked to world food security and price instability- Europe > 90% dependent on imports- Geo-political concentration of reserves
Without phosphate fertilisers we could feed around 1/5 of the world populationAdapted from Dawson et al., Food Policy 2011: http://www.sciencedirect.com/science/journal/03069192
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 4
www.phosphorusplatform.eu
Environmental impacts- Eutrophication- Ammonia emissions- Planetary boundaries
Phosphorus is the first cause of EU Water Framework Directive quality failure (other than morphology)
http://www.stockholmresilience.org
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 5
www.phosphorusplatform.eu
Phosphorus recyclingA long history
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 6
www.phosphorusplatform.euNew solutions for today’s
world- only 40% of EU sewage now goes to crops- increasing concentration of livestock manures- new potential nutrient recovery feedstocks: food wastes, bio-energy, food processing …
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 7
www.phosphorusplatform.eu
Phosphorus recycling potential in EU-27 [kton P/year] Total Recycled Potential Sewage sludge 297 115 182 Biodegradable solid waste
130 38 92
Meat & bone meal 128 6 122 Total 427-555 153-160 274-
396 Manure recycling = 1 736Mineral fertiliser use = 1 448 Van Dijk & Oenema “Overview of phosphorus flows in wastes in Europe”, 2013, Fertilisers Europe seminar, 6 Feb. 2013.Updated Van Dijk et al. in preparation 9/2014
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 8
www.phosphorusplatform.eu
Phosphorus recycling synergies• Improving sewage treatment (nutrient
removal)• Reducing ammonia emissions• Anaerobic digestion & biogas• Avoiding landfill
http://www.aljazeera.com/programmes/earthrise/2014/12/recycling-phosphorus-2014121693225616272.html
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 9
www.phosphorusplatform.eu
Nutrient recycling products• Refined fertiliser products• Organic fertilisers:
- composts, digestates- dried pelleted bio-wastes
• Mineral concentrates• Industrial chemicals:
- phosphoric acid- P4 (white phosphorus)
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 10
www.phosphorusplatform.eu
Nutrient recycling productsKey = product must correspond to user requirements needs and requirements (quality, equipment, logistics …)
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 11
www.phosphorusplatform.eu
Phosphorus recycling success stories www.magic-dirt.com
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 12
www.phosphorusplatform.eu
Success story – 50 M€ Investment:Kanton Zürich• 72 wwtps now deliver
100 000 t/y dewatered sludge to central mono-incinerator- 94% vote “Yes” in local referendum- commissioned 2015- delivers 15 000 t/y ash for P-recycling- 40% operating cost savings by energy efficient dryer
• 3,3 M CHF pilot P-recovery installation under construction- acid P leaching P, solvent extraction phosphoric acid
See SCOPE Newsletter 119 and http://www.awel.zh.ch
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 13
www.phosphorusplatform.eu
Success story:Waternet Amsterdam West sewage works• AirPrex struvite precipitation• Upstream of sludge digesters• Operational savings:
150 000 € / year• Improved sludge dewatering:
250 000 € / year• Increased methane production• Achievement of 1 mgP/l discharge
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14European Sustainable Phosphorus Platform
Success story:NuReSys• SME, Belgium• 8 installations recovering
Phosphorus as struvite• Potato processing, dairy,
pharmaceuticals, municipal waste water
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 15
www.phosphorusplatform.eu
Success story:Timac: struvite as maize starter fertiliser• NuReSys recovered struvite from potato processing• Non-burning, enabling “ultra location” next to roots• Micro-granulation• Ammonium addition for nutrient balance
NuReSys - Scope Newsletter n°121 http://www.phosphorusplatform.eu/images/scope/ScopeNewsletter121.pdf
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 16
www.phosphorusplatform.eu
Success story: COOPERL Brittany pig farmers’ cooperatives• 400 000 t/y manure processed
to organic fertiliser products- 150 000 t composted poultry litter- 150 000 t dried poultry manure- 100 000 t pig manure (1 100 farms)
• Adapted to specific crops and exported to other regions of France
• Positive farmer acceptance• TRAC Emeraude stabling system
- liquid solid separation in stable- reduced ammonia emissions
Supported by EU Investment Planhttp://www.cooperl.com/en/environmental-solutions
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 17
www.phosphorusplatform.eu
Success story:Fertikal, Antwerp• 180 000 t/y (wet weight) manure
processed to organic fertilisers:• solid/liquid separation
dried, pelletised• For agriculture, horticulture• Distributed
to 25 countries worldwidewww.fertikal.be
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 18
www.phosphorusplatform.eu
Success story:KOTO AlgaeBioGas, Llubljana• 13 000 t/y household and industry food waste
converted to biogas• 30 m2 pilot algae pond fed with digestate• Algae used for energy production,
fertilisers or bioplastics
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 19
www.phosphorusplatform.eu
Success story:SARIA UK – Kalfos• Bioenergy and P-fertiliser (ash)
from combustion of animal by-products (MBM)
• Authorised for arable and grazing land• 12 000 tonnes/yearhttp://www.saria.co.uk/
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20European Sustainable Phosphorus Platform
Success story:Ecophos P-recycling from sewage sludge ash• Pilot plant operational Varna, Bulgaria• Produce DCP (Di Calcium Phosphate) for fertilisers,
animal feed• Full-scale plant under construction Dunkerque, France
capacity: 200 000 t/y DCP from low grade P-rock and ash
• Contract to treat 60 000 t/y ash from Netherlands (SNB – HVC Groep) = 4 000 t/y P
See SCOPE Newsletter 111 and www.ecophos.com
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 21
www.phosphorusplatform.eu
ESPP: a coalition for action• Bring together industry, R&D, authorities,
stakeholders water & waste industries, mineral and organic fertilisers, chemicals, P-recycling technology suppliers, national & regional governments, knowledge institutes …
• Build awareness and share a vision for sustainable phosphorus in Europe
• Dialogue & network expertise and experience• Assess and propose policy & regulatory
developments• Disseminate innovation, business cases,
value chains
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ISWA – EESC Circular Economy and Biowastes, 14th Nov. 2016 - 22
www.phosphorusplatform.eu
Recycling nutrients from biowastesChris Thornton - European Sustainable
Phosphorous Platform• [email protected]
• www.phosphorusplatform.eu @phosphorusfacts