Sita (waste management)
Encyclopedia
SITA is the main brand representing Suez Environnement
Suez Environnement
Suez Environnement S.A. is a French-based utility company which operates largely in the water treatment and waste management sectors. Formerly an operating division of Suez, the company was spun out as a stand-alone entity as part of the merger to form GDF Suez on 22 July 2008. GDF Suez remains...

's waste subsidiaries in Europe, North America, the Asia Pacific zone and Australia.

Following the merger of Suez company and Gaz de France
Gaz de France
Gaz de France was a French company which produced, transported and sold natural gas around the world, especially in France, its main market. The company was also particularly active in Belgium, the United Kingdom, Germany, and other European countries. Through its part-owned Belgian subsidiary SPE...

 in 2008, Suez Environnement
Suez Environnement
Suez Environnement S.A. is a French-based utility company which operates largely in the water treatment and waste management sectors. Formerly an operating division of Suez, the company was spun out as a stand-alone entity as part of the merger to form GDF Suez on 22 July 2008. GDF Suez remains...

 became a listed group on the New York Stock Exchange
New York Stock Exchange
The New York Stock Exchange is a stock exchange located at 11 Wall Street in Lower Manhattan, New York City, USA. It is by far the world's largest stock exchange by market capitalization of its listed companies at 13.39 trillion as of Dec 2010...

, Brussels Stock Exchange
Brussels Stock Exchange
The Brussels Stock Exchange was founded in Brussels, Belgium, by Napoleonic decree in 1801. On September 22, 2000, the BSE merged with Paris Bourse, Lisbon Stock Exchange and the stock exchanges of Amsterdam, to form Euronext N.V., the first pan-European exchange for equities and derivatives,...

 and the Paris Stock Exchange. SITA is a significant part of the Suez Environnement
Suez Environnement
Suez Environnement S.A. is a French-based utility company which operates largely in the water treatment and waste management sectors. Formerly an operating division of Suez, the company was spun out as a stand-alone entity as part of the merger to form GDF Suez on 22 July 2008. GDF Suez remains...

 business, which now as a waste management
Waste management
Waste management is the collection, transport, processing or disposal,managing and monitoring of waste materials. The term usually relates to materials produced by human activity, and the process is generally undertaken to reduce their effect on health, the environment or aesthetics...

 and water treatment
Water treatment
Water treatment describes those processes used to make water more acceptable for a desired end-use. These can include use as drinking water, industrial processes, medical and many other uses. The goal of all water treatment process is to remove existing contaminants in the water, or reduce the...

 specialist is fully focused on sustainable development.

It owns, operates or has submitted planning applications for a number of incineration
Incineration
Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials. Incineration and other high temperature waste treatment systems are described as "thermal treatment". Incineration of waste materials converts the waste into ash, flue gas, and...

 and In-vessel composting
In-vessel composting
In-vessel composting is an industrial form of composting biodegradable waste that occurs in enclosed reactors. These generally consist of metal tanks or concrete bunkers in which air flow and temperature can be controlled, using the principles of a "bioreactor"...

  plants. Sita's services include business and residential waste disposal
Waste collection
Waste collection is the component of waste management which results in the passage of a waste material from the source of production to either the point of treatment or final disposal...

, street cleansing, landfill
Landfill
A landfill site , is a site for the disposal of waste materials by burial and is the oldest form of waste treatment...

 engineering, civic amenity site
Civic amenity site
A civic amenity site or household waste recycling centre is a facility where the public can dispose of household waste and also often containing recycling points. Civic amenity sites are run by the local authority in a given area. Collection points for recyclable waste such as green waste,...

 management and energy from waste.

History

SITA was created in 1919 to modernise domestic waste collection in Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 and to cope with the rapid rise in the volume of domestic waste
Municipal solid waste
Municipal solid waste , commonly known as trash or garbage , refuse or rubbish is a waste type consisting of everyday items we consume and discard. It predominantly includes food wastes, yard wastes, containers and product packaging, and other miscellaneous inorganic wastes from residential,...

 generated by Parisians.

SITA was taken over by Societe Lyonnaise des Eaux et de l'Eclairage in 1971 and became a part of La Compagniede SUEZ. The aim of the acquisition was to allow SITA to respond to the changes taking place in the market at the time.

New facilities were built to better manage the landfill process and to allow SITA to incinerate domestic waste. New markets were developed with local authorities, such as selective glass collection schemes and the collection and treatment and clinical waste from hospitals.

In 1997, La Compagnie de Suez and Lyonnaise des Eaux merged to form the new group, Suez Lyonnaise des Eaux and later Suez Environnement
Suez Environnement
Suez Environnement S.A. is a French-based utility company which operates largely in the water treatment and waste management sectors. Formerly an operating division of Suez, the company was spun out as a stand-alone entity as part of the merger to form GDF Suez on 22 July 2008. GDF Suez remains...

 was created. Following the merger, the group gradually began to focus on two main areas: energy and environment developing new technologies for the treatment of waste, recycling and the production of renewable energy
Renewable energy
Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable . About 16% of global final energy consumption comes from renewables, with 10% coming from traditional biomass, which is mainly used for heating, and 3.4% from...

.

SITA Today

Today SITA treats waste as a resource, and views waste management as a part of the circular economy. Divisions are specialised in the recycling of raw material
Raw material
A raw material or feedstock is the basic material from which a product is manufactured or made, frequently used with an extended meaning. For example, the term is used to denote material that came from nature and is in an unprocessed or minimally processed state. Latex, iron ore, logs, and crude...

s, composting
Compost
Compost is organic matter that has been decomposed and recycled as a fertilizer and soil amendment. Compost is a key ingredient in organic farming. At its most essential, the process of composting requires simply piling up waste outdoors and waiting for the materials to break down from anywhere...

 and recovery of energy.

SITA has a range of facilities which allow waste to be returned to the circular economy in a number of different forms. At SITA's composting facilities, household and industrial waste is used to produce renewable raw materials such as green fertilisers
Green manure
In agriculture, a green manure is a type of cover crop grown primarily to add nutrients and organic matter to the soil. Typically, a green manure crop is grown for a specific period of time , and then plowed under and incorporated into the soil while green or shortly after flowering...

. At SITA's energy recovery centres waste is used as a fuel to create heat and power which can then be used for lighting, either for housing or for industrial sites.

External links

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