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Nuclear power plant

Updated on 06/09/2018
Définition
Sens commun
A plant that generates electricity by using the heat released by the nuclear fuel. This heat heats water and produces steam which drives turbines and consequently alternators. In normal operation, a plant releases radioactive liquids and gas, which can be found in aquatic environments, after treatment of water used for cooling installations (demineralisation, chlorination). On the other hand, the water used in the cooling circuits is hot when it is discharged into the river or the sea, which again can alter the functioning of the ecosystems.
Source
according to AFB and the French Nuclear Energy Company

Sludge incineration

Updated on 06/09/2018
Définition
Sens technique
Heat treatment of sewage sludge used as an energy source. Incineration is preferred when sludge composting or land application cannot be considered.
Source
according to the Ministry of the Environment and SIAAP

Marine turbine

Updated on 04/12/2018
Définition
Sens commun
Submerged turbine that uses the energy of marine currents, and sometimes fluvial, to produce electricity.
Source
according to CELF

Wastewater heat recovery unit

Updated on 04/12/2018
Définition
Sens commun
Exchanger used to partially recover the thermal energy of wastewater.
Source
according to CELF

Water utilization

Updated on 13/07/2018
Définition
Sens commun
All services and activities having a significant impact on water status. Services related to the use of water are water uses characterized by the existence of structures for abstraction, storage, treatment or discharge. They have a fixed asset.
Source
According to the Ministry of Ecology

Water release by a dam

Updated on 13/07/2018
Définition
Sens commun

Controlled evacuation of part of the water of a dam reservoir (low-flow period, security, energy production, etc.).

Source
According to the Ministry for the Environment and AFB

Water use

Updated on 13/07/2018
Définition
Sens commun
Utilization of water by human beings (domestic, industrial, agricultural, recreational, cultural uses of drinking water).
Source
According to the Ministry for the Environment and AFB

Tidal power

Updated on 04/07/2018
Définition
Sens commun
Tidal energy that can be captured by using the tidal currents to turn wheels or turbines. Example from the Middle Ages include existing tidal mills, but also the Rance tidal power plant in Ille-et-Vilaine.
Source
According to Ifremer

Dam

Updated on 16/07/2018
Définition
Sens commun
Structure that crosses more than the low-water channel of a permanent or intermittent watercourse or a thalweg. We can also say that it bars up a river cachtment area. But a dam can be outside a watercourse. The reservoir it makes upstream is gravity fed by the river basin waters. The body of a dam can be made of earth, masonry, concrete, wood, metal, etc. There are several types of dams, according to their function: hydropower dam, reservoir dam, dam for pollution control, dam for navigation.
Source
According to AFB and IOWater