Our Definitive A to Z Guide of Recycling

Our Definitive A to Z Guide of Recycling


Aggregates – material used in the construction industry including soils, rocks and rubbles. We produce high-quality recycled aggregates at all of our sites.

Account manager – we have a team of experienced account managers who work closely with customers to help them to work sustainably by reducing waste and improving segregation.

Anaerobic digestion – the process which food waste goes through which creates soil enhancing digestates along with gas for electricity generation or alternative fuel provision.


Battery – batteries are classed as WEEE waste and can be very dangerous if disposed of incorrectly due to the fire risk they present along with the harm they can cause to the environment. Members of the public can dispose of batteries at most supermarkets and household waste recycling centre. For businesses, we can provide waste battery collections.

Bin – our bins come in a range of sizes from a 240ltr on two wheels right up a 10yd static container so we’re able to cater for businesses of all sizes with a vast range of requirements, more information on bin sizes and uses can be found here.

Broker – waste management operators who out-source services to other companies. We provide a brokerage service for national customers to give them one easy point of contact for their waste management needs across the UK.

Builders skip – one of the most popular skip container sizes ideal for a wide range of home improvements, construction sites and commercial purposes.

Bulky waste – any waste which is large, heavy and cannot be compacted. This includes wood, mattresses, furniture etc and should be disposed of in a skip.


Cage – a large, open container often used by customers who produce high volume of mixed recycling or cardboard waste.

Cardboard – a widely recycled material, most households and businesses can use their mixed recycling bin to dispose of cardboard.

Chartered Institute of Waste Management – the leading professional body for resource and waste professionals, the voice of the sector and represents over 5,000 individuals and organisations in the UK and overseas.

Clinical waste – any waste arising from medical, dental, veterinary, pharmaceutical or similar practise, research or care which may cause harm or infection to any person or environment it comes into contact with. Find out more about Enva's clinical waste services.

Confidential waste – anything of a sensitive nature which much be securely destroyed and may be controlled by legislation such as the data protection act. This can include paperwork, CDs and electronic equipment. Enva is able to offer a secure and reliable confidential waste disposal service for all volumes of confidential waste.

Commercial waste – general waste and mixed recycling services provided for businesses, normally takes place on a schedule. Enva offers an extensive commercial waste collection service to suit all business needs across the East Midlands and UK.


Duty of Care – every business in the UK has a ‘Duty of Care’ to ensure their waste is disposed of safely and legally. Enva gives evidence of this in Waste Transfer Notes, which are provided with every skip job we do or annual for contracted services.


Electricals – any items which are battery or mains powered are classed as Waste Electrical and Electronic Equipment (WEEE) and should be disposed of separately to general waste or mixed recycling.

Energy from waste – the process of treating waste in a way which generates energy in the form of heat or electricity


Food waste – can consist of leftovers, out-of-date, peelings and teabags etc which is collected separately from general waste for specialist recycling. Enva has a state-of-the-art food waste collection vehicle to provide food waste recycling across the East Midlands.

Fluorescent tubes – a type of lighting which is classed as hazardous waste so should be stored and disposed of separately to other waste streams. We can provide fluorescent tube coffins as a handy storage and disposal service.

Fridges – because of the cooling gasses contained in fridges, they are classed as hazardous waste.


Garden waste – this includes clipping, twigs, grass etc. Many councils offer a kerbside garden waste recycling service although some do charge for this. We collect garden waste in skips, roll-on-roll-offs or tonne bags.

General waste – this can be made up of a vast range of non-hazardous materials which aren’t suitable for recycling, including dirty or contaminated items. We process general waste into two types of fuel – solid recovered fuel and refuse derived fuel – to divert general waste away from landfill.

Glass – glass waste consists of bottles jars etc which must be rinsed out before being thrown away. Glass is highly recyclable and can be re-made over and over again forever!


Hazardous waste – any type of waste which contains substances or has propertied that might make it harmful to human health or the environment. Hazardous waste must be stored, collected and treated under strict guidelines to ensure it is safe and complaint with legislation. Our hazardous waste department can organise full hazardous waste services.

Health and safety – statistically, waste management is one of the most dangerous industries in the UK. It is our vision to be the safest waste management provider in the country and we work closely with suppliers and customers to achieve this.

Hierarchy – the waste hierarchy is a set of options for managing waste according to what is best for the environment. Prevention is the most preferred option as this is the best way of protecting the environment, this moves down through reuse, recycling, recovery and finally disposal. The waste hierarchy can be seen below. 

Household waste and recycling centre (HWRC) – also known as the ‘local tip’, the HWRC is open free to members of their public to dispose of waste. We put together a helpful guide on whether hiring a skip or a trip to the tip is the best option for your household waste. Find your local HWRC.


Inert – waste which is not chemically or biologically reactive and does not decompose, examples include sand and concrete. Enva offers a closed-loop recycling system for these at each of our facilities, taking in inert waste to produce high quality recycled aggregates.

Infra-red sorting – Near infra-red sorting (NIR) one of the many ways we separate waste streams at our materials recycling facilities is by detecting the composition of certain products.


Jobs – a vast range of jobs are available in the waste and recycling industry. Everything from HGV drivers, plant operators and engineers through to business development and office support. See what vacancies Enva currently has on offer.

Jumble sale – a great way to reduce your waste! As the saying goes ‘one man’s trash is another man’s treasure’… there may be someone who can make good use of your old clothes and bric-a-brac.


Kerbside – normal domestic waste collections which are usually organised by local councils are often referred to as ‘kerbside’ waste. At Enva, we process the mixed recycling from around 120,000 kerbside collections by Nottingham City Council.


Labels – all packaging in the UK must show recycling advice labels. These show whether the packaging can be recycled and the type of material it contains and sometimes where the packaging can be recycled – for example on a kerbside collection or at a local recycling centre. Wrap’s website has a helpful guide to understanding recycling labels.


Liquid – hazardous liquid waste can constitute any substances that are potentially harmful if ingested, or have made contact with. This can include acids, alkaline, highly flammable liquids, sewage, and some strong potent cleaning products. Because of its complexity, specliast collections are needed for liquid waste disposal. Enva has a dedicated team to deal with this, click here for more information.


Materials recycling facility – a specialist plant which receives, separated and prepares materials for recycling and end-users. Enva has several materials recycling facilities which handle thousands of tonnes of waste each week, find out more about them.

Metal – metals are found in a wide variety of materials including cans, end-of-life-vehicles, furniture, home appliances etc. Metal for recycling can be found in mixed recycling loads or via specialist collections. Also, scrap metal can be brought directly into Enva’s facilities. Scrap metal is highly recyclable and is used in the production in a wide variety of new products.

Mixed recycling – clean materials such as paper, cardboard, plastic bottes, drinks cans etc to be sorted and recycled. We collect thousands of mixed recycling bins every day from customers across the East Midlands, find out more here.


Nappies – nappies are classed as clinical waste and should be disposed of accordingly.

Needles – needles and other sharps must be handled carefully do to the biological and safety hazards they present.


Oil – waste cooking oil can be harmful to the environment if it is not stored and disposed safety and is therefore subject to strict guidelines.

Online ordering – ordering a skip is simple with Enva’s quick and secure online ordering system. Simply type in your postcode and select a skip size for a quote and enter your details to confirm the booking.

Open skips – our most common skips are open skips, which are easily accessible and come in a range of sizes.


Paint – paint and empty paint tins are classed as hazardous and shouldn’t be placed into normal bins or skips.

Plasterboard – 100% recyclable, plasterboard can go through the recycling process again and again. Enva’s award winning plasterboard recycling scheme takes in waste plasterboard from across the UK and prepares it to be remade by one of the UKs industry leaders.

Plastic bags – despite often being placed in mixed recycling bins, carrier bags can’t be recycled. Since the 5p carrier bag charge was introduced in 2015 around 9 billion fewer carrier bags have been used.

Prevention – top of the waste hierarchy and the most preferred option for treating waste. The key to delivering a sustainable future is reducing waste levels as far as possible.


Quality – the range of sorting technologies we use help to make sure the final products we bale and send for recycling are the best quality possible for making into new products. Equally, the fuels we make must meet high quality standards.


Recycle – to use a waste product as a feed material to make a new product. For example turning plastic bottles into new plastic bottles, or using scrap metal to make new drinks cans.

Redox – the process general waste goes through which involves pre-sorting, shredding and some segregation before material is either recycled or made into a fuel. 

Reuse – this is the second most favoured option on the waste hierarchy and involved using something again to prevent its disposal.

Refuse derived fuel – a fossil fuel alternative made from fragments of general waste. Enva produces refuse derived fuel and it is used in Europe for heating and power.


Skip hire – one of Enva’s main service offerings, we hire out more than 300 skips every week. We are one of the largest skip hire companies in the East Midlands offering reliable, affordable skip hire services.

Solid recovered fuel – a high quality product made from residual waste left behind once all commodities and contaminants have been removed, leaving behind fibres and fragments of paper, plastics, wood and textiles. The high calorific value of SRF, coupled with its low moisture and low chlorine content make it a great fossil fuel replacement which is used in cement kilns within the UK.

Sustainability – “meeting the needs of the current generation without compromising the ability of future generations to meet their own needs”. Sustainability is central to Enva’s operations and the reason we work closely with customers to help them to reduce their wastes and carbon footprint.


Tetra Pak – a special type of packaging which is usually used for cartons and is foiled lined. This is not suitable for mixed recycling collections and must be recycled separately or put into general waste.

Tipper – a type of vehicle used to transport which can be lifted into the air and a rear door opened to release the material and is used in the transportation of aggregates.

Tissue paper – because of the low quality of tissue paper and it’s range of uses which mean it is often contaminated, it is not suitable for mixed recycling.

Tradewaste – general waste and mixed recycling services provided for businesses, normally through bin hires on a schedule.


Utilities – Enva offers a comprehensive service to the utilities industry, pioneering the use of renewable resources including quality assured recycled aggregates. Our team carry out a range of monthly external and internal sampling of all our materials to ensure we continue to supply high quality recycled products, in accordance with the WRAP Quality Protocol.


Vegetable peelings – reduce your level of food waste by making environmentally friendly compost for your garden! Vegetable peelings make a perfect compost ingredient along with lots of other common food waste items.


Waste Electrical and Electronic Equipment – broadly, WEEE covers the majority of items which wither have a plug or need batteries to operate. If WEEE is not disposed of correctly it can be harmful to the environment, yet 2 million tonnes every year are thrown away.

Wind shifter – one of the methods or sorting used at Enva’s recycling facilities, a wind shifter is used to separate wastes depending on their weight.

Wood – around 4.5million tonnes of wood waste is generated every year in the UK. Currently over 60% of this is recycled, a figure which is expected to continue to rise. Enva uses the wood it collects to produce a high-quality wood chip which is used in manufacturing.

Wrapping paper – every Christmas, enough wrapping paper is used to cover the island of Jersey! A simple test can tell you if wrapping paper can be recycled, simply by scrunching it. If the paper stays scrunched then it’s suitable for recycling, if it keeps its shape then it can’t be.


Xmas – every year, huge amount of excess waste is generated over the festive season, including 2 million turkeys, 1 billion cards and 13,350 tonnes of glass. There is lots of published advice for how to reduce waste at Christmas.


Yoghurt pots – when empty and rinsed out, yoghurt pots can be recycled and may be made into a wide variety of new products such as drinks bottles and CD cases.


Zero waste to landfill – Enva’s aim is to send zero waste to landfill by recycling or recovering the materials. Currently we divert 99% of waste from landfill, either by recycling it or making it into a fossil fuel replacement.