Zero Waste and Duty of Care Presentation · • Understanding common waste treatment process...
Transcript of Zero Waste and Duty of Care Presentation · • Understanding common waste treatment process...
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Duty of Care and the Journey towards Zero Waste to Landfill
24th January 2017
Andy Robertson – EHS Consultant
Joint IOSH Event:
Tees Branch Environmental & Waste Management Group
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Contents
• Why divert waste from landfill? • What does Zero Waste to Landfill mean? • The Waste Duty of Care • Understanding common waste treatment process
outputs • Mapping waste streams • Reference information sources
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WHY DIVERT WASTE FROM LANDFILL?
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Landfill – Environmental Impacts • Groundwater & soil
pollution
• Produces greenhouse gas
• Attracts disease carriers
• Creates various nuisances
• Loss of resources through not recycling
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Government Discouragement
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Government Discouragement
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Waste Hierarchy
• Legislation introduced the Waste Hierarchy approach
• Since September 2011, transfer notes have required a declaration of having followed the waste hierarchy prior to disposing of any waste.
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New Technology Development
• DEFRA supported new technology development to help achieve moving waste up the hierarchy
• There are now a range of treatment processes designed to divert wastes from landfill and move them further up the waste hierarchy, of which we’ll take a closer look at the more common ones later in this presentation.
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What are the benefits?
• Potential benefits from implementing a zero waste to landfill strategy include: – On-going cost savings – Revenue generation – Meeting legal requirements of waste regulations – Positive PR opportunities – Improved environmental performance – Competitive advantage over others in your industry
who aren't zero waste to landfill
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Corporate Requirements
• Corporate reporting on environmental performance, including progress made in line with the Waste Hierarchy, is now being included by organisations recognising their Corporate Social Responsibility.
• Zero Waste To Landfill is frequently included in such reports……. but it doesn’t always mean the same thing to all people / organisations…
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WHAT DOES ZERO WASTE TO LANDFILL MEAN?
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Regulatory Impact
• Some wastes banned from going to landfill – Liquids, tyres, infectious and certain hazardous
wastes • Asbestos has to be disposed of in landfill • In Scotland, they have announced a landfill ban
on municipal biodegradable waste by 2020 as part of the Zero Waste Regulations.
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Organisational Requirements
• Just non-hazardous waste? • Or hazardous waste as well? • As there’s no international definition….
• Organisations need to DEFINE in order to ensure a common understanding of what needs to be achieved.
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Accreditation?
• Various “certification” schemes advertised • Standard framework set by the scheme
organisers • Benefits??
• Need to understand own status regardless of whether accreditation is sought.
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THE WASTE DUTY OF CARE
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Legal Requirements
Section 34 of the Environmental Protection Act 1990 requires waste holders to take all reasonable steps to: • prevent unauthorised or harmful deposit, treatment or
disposal of waste • prevent a breach (failure) by any other person to meet the
requirement to have an environmental permit, or a breach of a permit condition
• prevent the escape of waste from your control • ensure that any person you transfer the waste to has the correct
authorisation • provide an accurate description of the waste when it is
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Legal Requirements
From the Duty of Care: Code of Practice: • Waste holders have a responsibility to take all
reasonable steps to ensure that when you transfer waste to another waste holder that the waste is managed correctly throughout its complete journey to disposal or recovery.
• Each holder in the waste chain shares the duty of care obligations.
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UNDERSTANDING COMMON WASTE TREATMENT PROCESS OUTPUTS
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Materials Recovery Facility
OUTPUTS (depending on inputs / type of MRF) may include: • Recyclables – e.g. plastics, glass, paper / cardboard
• Material diverted for biological treatment (see MBT)
• Non-recyclable materials for landfill or processed to produce a fuel (see Refuse Derived Fuel)
• Graded aggregates (if construction MRF) for sale as product
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Refuse Derived Fuel
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Composting
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Energy from Waste
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COMBUSTION AIR FED INTO FURNACEIS EXTRACTED FROM THE WASTE
RECEPTION AREA TO CONTROL ODOURS
AIR POLLUTIONCONTROL RESIDUE
BOTTOM ASH
CONTINUOUSEMISSIONSMONITORING
ELECTRICITY
MAGNETS REMOVE METAL FROM ASH FOR RECYCLING
1Waste collection vehicles unload waste into a bunker where it is stored and mixed.
The waste is loaded by crane into the furnace where it is dried and burned at around 1,000 C. Burning the waste in
the furnace produces hot gases that travel through the boiler and heat the water travelling through its pipes.
The hot water is converted to steam that in turn drives a turbine which generates electricity.
The gases from the burnt waste passthrough several stages of treatment and are thoroughly cleaned before being released through an external stack which is continously monitored.
GENERATOR
FURNACE
BOILER
AIR POLLUTIONCONTROL
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ENERGY-FROM-WASTE
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Gasification
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Anaerobic Digestion (AD)
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Mechanical Biological Treatment
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MAPPING WASTE STREAMS
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List Waste Streams
Do you know all your waste streams? • Your wastes / your contractors’ wastes? • Wastes from production processes, construction
activities, maintenance activities, FM activities, welfare activities (sanitary / first aid)?
• All listed in 1 place?
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Waste Stream Routes
For each waste stream, map out the: • Carrier(s) • Treatment / Disposal Site(s) • Treatment / Disposal Process (and its fit in the
Waste Hierarchy) Then repeat above for each treatment process output, along with its representative % of total waste input
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Determine Waste to Landfill Status
• Record weights of each waste stream sent off-site
• Determine the total quantity of waste and the percentage Re-used / Recycled / Recovered / Landfilled
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Next Steps
• Identify waste streams that are sent direct to landfill
• Identify waste streams that indirectly result in treatment process byproducts being sent to landfill
• For each of the above, explore alternative waste treatment processes
• Ask your Local Authority, Environment Agency, Waste Management Companies, other companies
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Next Steps
Example for disposal of residual (general) waste sent to an Energy from Waste facility: • Residual waste taken from site = 1 tonne
– 3% (40kg) Fly Ash landfilled – 18% (170kg) Incinerator Bottom Ash recycled – 79% (790kg) heat recovered for electricity
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Next Steps
• Implement regular scheduled Duty of Care checks on all waste streams to maintain knowledge of your Zero Waste to Landfill status – Waste Management Companies may change where
they send your waste for treatment / disposal – New waste streams may occur
• Educate workforce as to where the company is on its journey to Zero Waste to Landfill and how they can help
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REFERENCE INFORMATION SOURCES
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References
• Carbon Trust Standard for Zero Waste to Landfill
• Waste duty of care code of practice • “Right Waste Right Place” a simple guide to
Duty of Care for your waste • Zero Waste Scotland
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And Finally…….
• Have you any waste problems / concerns / queries you’d like to table for discussion?
Andy Robertson – EHS Consultant / Trainer
E: [email protected] M: 07810 358 456 W: www.andyrobertsonassociates.co.uk