It is with great pleasure we are able to announce that Smiths Trade Waste Services are now successfully diverting all General Waste collected on their daily rounds away from Landfills and have achieved Zero to Landfill status.
Over the past 10 years Smiths Trade Waste services has prided itself on its drive to recycle. With the introduction of a mixed recycling round in 2008 which has now grown and requires five dedicated rounds for recycling alone. Along with the introduction of segregated glass collections in 2010 and the further implementation of a segregated food waste round in 2013 Smiths continue to drive the recycling levels of their customer base up. With the latest addition of Energy from Waste (EfW) and Refuse Derived Fuel (RDF) disposal routes added to the disposal process, Smiths Trade Waste Services are now achieving a Zero to Landfill Policy.
The waste is now being diverted through other means such as EfW or RDF. After reducing, reusing and recycling as much waste as possible, EFW facilities provide the infrastructure to efficiently recover energy from the residual waste; meaning that landfill becomes the absolute last resort. Energy recovery is a technology that sees pre-treated non-recyclable waste burned at high temperatures (>850oC) under carefully controlled conditions. The waste is mixed and sometimes shredded to make sure that it will burn at its optimum. It is then moved to a combustion chamber where oxygen is added. The process is extremely efficient, robust and safe, with emissions treated to meet the strict European Industrial Emissions Directive which is enforced and monitored by the Environment Agency (in England).
Incinerators use the heat from the chamber to create steam, which can then be used to make electricity by turning a steam turbine. The electricity produced can be used locally or can be fed into the national grid.
By burning the waste, most of it turns into carbon dioxide and water. Any material that won’t burn, like glass, metals or stones, collects at the bottom of the chamber and is known as bottom ash. The bottom ash can be processed into recycled building materials and the metals can be extracted to further increase recycling rates.
Incinerators create small amounts of gases such as nitrous oxides and fine particles. The emissions from incinerators are carefully controlled. The air is cleaned by a sophisticated air-pollution control (APC) system before it is released into the atmosphere.
It is the addition of these end disposal routes that have allowed Smiths Trade Waste Services to offer a fully recyclable and Zero Landfill alternative to customer waste collections.
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