Throughout history, recycling has existed in one form or another. Even as long ago as 400 BC signs of early recycling are known to have taken place. Archaeological reports show that ancient waste dumps contained less of what is known today as household waste, such as pots, tools and ash, which shows that people were, even back then, keen to reuse products at a time when natural resources were not so freely available. Little did they know that what they were starting would play such a huge role in shaping the world for future generations
Indeed it could be argued that the old ‘rag-and-bone’ man was just an early recycler collecting unwanted goods on his horse and cart, before reusing or turning the collected items into something new.
During periods such as the World War Years, recycling and re-use were common place as natural resources became much more difficult to come by. As well as food being rationed, certain materials such as metal and fibre were largely allowed only for use by the government in support of military operations, to meet manufacturing requirements often in the production of weaponry.
Due to rising energy costs, the need to recycle aluminium increased in the seventies.. As a material aluminium uses much less energy in the production process than some other materials. Also it was much sought after because of its non rusting properties. The need for aluminium saw the rise of scrap metal dealers who were willing to pay money in exchange for good quality metal. Also, in the seventies in parts of the United States of America, the first vehicles were seen to be collecting waste with a separate trailer for the collection of recyclable materials being towed behind the vehicle. This was mainly large bulky items such as bedsteads and old carpets.
To the late eighties, early nineties and as the importance of managing the global environmental state increased amongst worldwide governments, the focus upon recycling really started to gather momentum. In the UK, the government imposed recycling targets upon Local Authorities and with the introduction of the new legislation upon the waste industry, recycling schemes really began to take off. The once commonly recognised waste disposal companies, began to call themselves waste management companies and demonstrated through the offer of waste collection and recyclable material collection that waste needed to be handled more effectively.
Today, many hundreds of materials and products can be recycled, ranging from paper, card, glass and plastics, to mobile phones, electrical items, printer cartridges, textiles, clothing and concrete.
What is Recycling?
The term recycling describes the process of converting used materials into new or nearly new materials to avoid the need for potentially useful materials or products to be discarded. Essentially it is diverting waste from landfill.
Recycling plays a key role in a world where climate change is high on the environmental agenda. It helps to reduce the need to unnecessarily send waste materials and products to landfill or other waste disposal options. This in turn diminishes the need or the reliance upon consuming fresh or new raw materials, reduces energy use and air and water pollution, all of which contribute to lower greenhouse gas emissions.
Recycling is probably mostnoticeable through the recycling services now provided by local authorities for domestic refuse and recycling collections and by modern waste management companies who generally offer a full range of waste and recycling collection services. Some companies, who have traditionally focused only on the collection of recyclable products, are now extending their service offering to collect general waste as well.
There are many companies all around great britain who now provide paper recycling, cardboard recycling, glass recycling, energy from waste , disposal services. But to be sure your waste is really going to be properly recycled is it crucial to find a well well-known and trustworthy company.
In the waste sector, the common promotional activity surrounds the waste hierarchy - ‘reduce, reuse, recycle and recover’. This four R slogan is a simple message designed for a far reaching audience. Think about how you can reduce your waste. Can the waste products or materials be reused? Can the waste product or material be recycled or recovered?
The waste hierarchy is a strategy which many waste management companies and local authorities consider when developing new waste management strategies. The strategy is intended to focus the mind around preventing waste being generated in the first place. Consider the options for reuse and recycling but ultimately minimise the amount of waste produced at the end of the cycle.
So the emphasis is very much on the entire production process. The waste hierarchy extends much wider than to waste management companies and local authorities. Working groups have been set up to bring many industries together to consider the entire waste cycle. For example, the manufacturer of a product needs to consider how the product is to be manufactured. Can parts be used which can later be recycled or reused? Can the amount of packaging which surrounds the product be reduced? When the product reaches the retailer, is it necessary for the product to be placed within an outer package? Once the retailer sells the product, what will the purchaser do with the unwanted elements of the purchase, i.e. the packaging? How will the packaging be collected and where will it go? Will it return to a recycling plant, for onward shipment to a reprocessing plant, where the cycle begins all over again? The process must be simple to manage and implement.
How are Materials Collected for Recycling?
Legislation now dictates that all waste should be treated to avoid the amount of recyclables and unnecessary waste going direct to landfill. Since 1996, UK government has enforced a landfill tax on all waste disposed of within landfill. The rate of tax has increased considerably in recent years rising from the original level of £8 per ton, to today’s rate of £40 per ton. The UK government has previously announced that this will increase further to £48 per ton by the end of 2010/11. This rate applies to all general waste streams, although there is a lower rate for inert materials. Sending waste directly to landfill is an expensive option and finding suitable methods to divert waste away from landfill is now a priority.
So, the message to everyone is clear, sort your waste to reduce the volume of waste going to landfill. Traditionally, at home or at work, as soon as you place waste in the dustbin , it is forgotten about. Someone else will collect it and take it away. Nowadays, at home and at work, recycling is being encouraged through the provision of bins in which to place specific recyclable materials.
Perhaps the most common materials to be seen being collected for recycling are paper, card, glass, metals and plastics. But the opportunity to recycle a vast number of materials or products continues to grow. Although technically not seen as recycling, food waste and garden waste collections are increasing, where the food or garden waste is taken back to a plant for processing into a reusable or saleable compost product.
There is a large choice of paper recycling receptacles can be located at high usage points for example in the vicinity of photocopying equipment to collect excess papers.
The methods of collecting materials or waste to be recycled is also increasing and becoming more noticeable within local communities. Dedicated collection sites, often referred to as a bring bank sites, are springing up in supermarket car parks to encourage customers of the supermarket to return such items as bottles, newspapers or card to the containers on their way into the supermarket. Shoppers are therefore encouraged to bring back their recyclables.
Local Authority waste collection crews or their appointed contractors will collect refuse and recyclables from the kerbside usually at the front of your home. Collection from domestic premises generally remains the responsibility of the local council and many have now employed the provision of bins in which to collect specified recyclable materials or products. The services do vary from council to council.
In the industrial and commercial sector, waste management businesses offer separate containers in which the customer deposits the appropriate waste stream or recyclable material ready for collection. The bins will often be clearly labeled as to which recyclable product should be placed within that container or bin. Alternatively, the bins will be colour coded to identify which recyclable products should be placed within which bins. Waste management companies also may have to deal with special requests from the customer.
The key to a successful recycling initiative is homeowners about what can be recycled and how. In the commercial world getting the co-operation of shop floor employees is crucial. The introduction of any recycling scheme must ensure that in asking employees to separate waste for recycling, it does not become time consuming and affect the effectiveness of what employees should be doing in their work. The introduction of any recycling scheme should be kept simple.
The Recycling Process
Various collection systems exist for the collection of the recyclable material . Whichever collection system is employed , the materials are taken to a materials recycling facility where they will be segregated from other wastes. This could be done manually or by using mechanical separators.
To begin the recycling process from a collection point of view, the more recyclable material which can be separated at source, i.e. at home or in the work place, the more efficient it will be for the waste collector. That is why separate containers are supplied to the waste producer to encourage segregation at source. If card can be collected on a vehicle, which will collect no other waste material, the card will be kept uncontaminated and therefore will have a higher value when it reaches the processing plant. Similarly, specialist glass collection vehicles are used to collect only glass. Apart from the obvious health and safety reasons and the weight of collected glass, it will have a much higher value if the collected glass load is not contaminated with other waste.
Once collected, the recyclable materials can be taken direct to a reprocessing plant, if the load contains only that specific type of material. So a dedicated glass collection vehicle could take the load directly to a glass processing plant. It is more likely that the glass will have to be bulked up for onward shipment to the processor.
If mixed recyclables have been collected such as paper and card within the same container, it may be necessary for the collector to take the load to a recycling centre to unload and allow the load to be sorted into separate paper and card bundles for onward transfer to a paper or card processing plant. Whichever method is used, the recyclable material collected will usually be sorted or washed before going through to a reprocessing plant to be converted to a new resource and ultimately used as a new product or in manufacturing.
Because of high density populations, the problem of waste disposal requires more innovative solutions than the old landfill ideas. power in waste is just one such solution, turning waste material into electricity.
The Increasing Importance of Recycling
In the UK around 35% of waste collected from households is recycled or composted. Whilst in the commercial and industrial sector, the volume of waste sent to landfill has declined substantially in recent years and the amount of waste now being diverted for recycling or reuse by this sector has risen above the volumes going to landfill.
Landfill continues to play an important role in the management of waste across the UK as not all wastes can be recycled and some are more suited to landfill disposal than by any other means. However, it’s not just the increasing costs of disposing of waste directly in landfill which is making recycling a more attractive option for businesses. Landfill is becoming scarce, with some experts suggesting that the amount of void available across all UK landfill sites, has less than ten years existence remaining before all sites are deemed to be full. Such countries as Dubai have filled parts of the coastline with their waste and created useful land area to extend the boundaries of their country.
In recent years, waste management companies have had to change their focus, and start to consider and invest in new technologies, such as energy from waste plants, anaerobic digestion plants and mechanical biological treatment plants, as alternatives to landfill. Local Authorities have also adapted their approaches by undertaking detailed strategic reviews as to how waste under their jurisdiction should be handled. In some cases this has meant that unitary authorities are implementing plans to introduce long term contracts, usually around 25 years in length, through which to manage their entire waste management requirements. These contracts will often include the need to build a facility through which to handle all waste generated across the city by segregating all waste streams. The contracts may also include the collection of all waste and recyclables from homes across the area. So the face of waste management is changing rapidly. The days of just throw it in the dustbin have disappeared and the advent of new technologies are upon us.
Conclusion
Recycling is now a way of life and is here to stay. It has evolved over the years from something that was undertaken without any real thought behind it. The trusty rag and bone man was just trying to make a living. Today, many blue chip organisations are setting out plans for a ‘zero to landfill’ waste policy, where the intention is very clear - reduce waste, reuse waste and recycle waste, but no waste must end up in landfill.
Many homes across the country now have some form of bin in which to separate waste for recycling. The need to separate newspapers, aluminium cans and plastic bottles are almost common place. Whilst in industrial and commercial sectors, there is an increasing list of items to consider for recycling such as printer cartridges, office paper, metal and electrical equipment.
Ideally the whole process would be a complete cycle such as it was in the days of the horse. However the advent of new technologies will accelerate further the way in which our waste is to be managed in the future, but it is highly unlikely that we will ever reach the ultimate waste free society.
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