helsingfors 12 september 2017 hans augustinsson• [email protected]. revaq and spcr 152 •...
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REVAQ and SPCR 152
Helsingfors 12 september 2017
Hans Augustinsson
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Hans Augustinssson
• Hushållningssällskapet
• Agronomist
• Chairman Revaq rule committee
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REVAQ and SPCR 152
• Why Revaq?
• Revaq organisation
• Revaq regulations
• SPCR 152, Bio-waste compost
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Circulated plant nutrients
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Why Revaq?Background
• Trials started 1940-50
• Hygiene was the problem
• Heavy metals and chemicals
• Legislation and Agreement in 1994
• Revaq started in 2008
• Revaq certificate treatment plants
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Why Revaq ?
• Old legislation, only heavy metals, phosphorus and nitrogen
• “Good quality” demands more
• Quality need to improve
• Confidence from farmers and consumers
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Why Revaq ?Aims
• A driving force to further improvement of the incoming wastewater – the “up stream work”.
• An open and transparent information about how sludge is produced, used and it’s composition.
• Secure that the sludge production is done in a responsible way and that the quality of sludge fulfil the requirements.
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Revaq organisation
REVAQ is operated by a steering committee:
• The Swedish Water & Wastewater Association
• The Federation of Swedish Farmers (LRF)
• The Swedish Food Federation
• The Swedish Food Retailers Federation.
• In close cooperation with the Swedish Environmental Protection Agency.
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Revaq organisation
REVAQ has a rule committee:
• The Agricultural university
• The Federation of Swedish Farmers (LRF)
• Treatment plant
• The Agricultural societies
• Development of the rules
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Revaq organisation
REVAQ also has:
• Scientific council
• Secretariat, answer questions, secretary to steering committee and rule committee
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Revaq organisationCosts
• Audit by third part 20 000 SEK
• Annual charge certificate organization 15 000 SEK
• Annual charge Svenskt Vatten 0,70 SEK per associated person to the treatment plant. Maximum fee is 170 000 SEK
• “Up-stream” 20 000 -50 000 associated persons one full time
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Revaq organisation
• Almost 5 million persons (50% of Swedes) connected to a Revaq wastewater treatment plant
• 42 wastewater treatment plants are associated
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Revaq organisationSludge use in Sweden 2000-2015
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Revaq regulations
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Revaq regulations• New edition every year, at least one year a head
• Focus: Reduction of Cd60 trace elementsOrganic compoundsSalmonella-freeTraceability and high quality in practical work
Systematic improvementsRelevant declaration of compositionThird party audit.
Long term goal: Incoming waste water should have a level of metal and organic compounds which does not exceed that from water closets.
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Revaq regulationsCd
• In 2025 maximum 17 mg Cd/kg P
• 17 mg Cd/kg P is nearly the same as directly from the toilet => recirculation
• Reduction every year, action plan
• Cadmium in hobby and artist paints is one of the single biggest cadmium sources to WWTP
• 5-15% of total cadmium flow to WWTP is calculated to be from hobby and artist paints
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Revaq regulations60 trace elements
• 60 trace elements mapping
• Increase in the soil of 60 elements should not exceed 0,20% when sludge is used on agricultural land (= doubling in min. 500 years)
• If higher=> prio elements to be reduced
• Bi (95%), Ag (95%), Au (65%), Hg (55%) and Sn (35%) most common 2016
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Revaq regulationsOrganic compounds
PRIO-guide phase-out substances, ca 2500 + SIN-list, mapping, reduction via control at source co-operation with connected industries.
Phase-out substances on the Swedish Chemical Agency´s list - have to be phased out from all connected industries
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Revaq regulationsSalmonella-free
• Control within 8 weeks before distribution in field
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Revaq regulationsExamples
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Revaq regulationsUpstream strategy
The pressure from farmers on wastewater operators to reach a better sludge quality is one of the strongest driving force for phasing-out hazardous substances in the society.
2017-09-14
23
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Revaq regulationsExample from upstream work
• During 2011 more than 900 industries/services was reviewed regarding non wanted organic chemicals.
• In total, more than 10 000 substances have been reviewed.
• Of these 10 000 substances, 130 non wanted substances were identified and 27 phased out in 2011.
• Silver as biocides in clothing
24
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Revaq regulationsField trials
25
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Revaq regulationsMetal content sludge - Igelösa
Pb Cd Cu Cr Hg Ni
1981 162 3 1333 137 6,9 111
1985 85 1,3 651 207 4 19
1989 59 1,7 1300 46 5,2 17
1993 60 1,9 1300 28 3,4 13
1997 64 1,9 1700 28 3,4 17
2001 39 1,1 350 18 1,6 13
2005 49 0,53 660 31 0,61 25
2009 16 0,58 350 10 0,32 8,7
2013 16 0,67 590 36 0,83 15
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SPCR 152 Bio-waste compost
A certification system owned and operated by Swedish Waste Management
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SPCR 152 Bio-waste compost
• Product certification system
• Positive list for substrate groups possible to use
• RISE certify and controls the plants (Third part)
• One year qualification period before receiving a certificate
• A steering committee responsible for development of the system – experts, stake holders, authorities
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SPCR 152 Bio-waste compost
• Just one certificated treatment plant
• New edition of the rules every year
• Maximum halt seven heavy metals
• Sludge is not accepted
• Maximum halt visible contamination (plastic, glass)
• At least 20 % organic matter
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SPCR 152 Bio-waste compost
Metal Maximum halt mg/kg TS
Lead 100
Cadmium 1
Copper 100
Chromium 100
Mercury 1
Nickel 50
Zink 300
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SPCR 152 Bio-waste compostcosts
• Audit by third part 20 000 SEK
• Annual charge certificate organization 8 000 SEK
• Annual charge Avfall Sverige 30 000 SEK
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Thank you