Abstract: Apparatus for clarifying a sludge-containing effluent, comprising a clarification basin (2), at least one arm (7) able to move over the upper surface of the liquid in the basin; at least one trough (8) supported by the arm so that it can be immersed over part of its height in the liquid of the basin, suction tubes (T1, T2) held relative to the trough, each tube comprising at the top a vertically adjustable sleeve (B1, B2) opening into the trough, and a means of removing sludge from the trough; the sleeve (B1, B2) of at least one suction tube (T1, T2) is free to slide vertically relative to the mobile arm (7) supporting the trough, and to the tube (T1, T2) and a reserve of buoyancy necessary and sufficient for keeping the overspill end (E1, E2) of the sleeve in the trough (8) continuously out of the water is installed on the sleeve (B1, B2) so that the overspill level of the sleeve adjusts automatically in relation to the level (16) of liquid and sludge in the trough.

Abstract: Logging and transmission equipment comprising at least one autonomous measurement sensor, supplied by an electric cell, comprising an emitter able to transmit at various instants at least one value measured by the sensor, and a receiver for gathering the values transmitted by the emitter; the sensor comprises a means of measuring the temperature in the vicinity of the cell; a link is provided for supplying the emitter with the temperature values measured, which emitter is provided so as to transmit, in addition the values of at least one physical quantity, these temperature values measured, at determined intervals, and the receiver is provided so as to store the temperature values measured, estimates the lifetime of the cell by taking account of these measured values, and determine a date for replacing this cell.

Abstract: Device for improving the production of heat by cogeneration comprising a hot source producing steam which is expanded in a turbine the exhaust of which is connected to an air condenser (4) which removes heat, and comprising at least one second auxiliary condenser (5) in the form of a water condenser, the cooling liquid of this water condenser (5) being directed to a plant or equipment (B) in which its heat is extracted and used, then the liquid is returned to the water condenser; the water condenser (5) is incorporated into the air condenser (4).

Abstract: The invention relates to a power generation module (M1, M2, M3), using solar radiation, which includes a caisson (2) comprising: a first wall (3) exposed to solar radiation, at least partially made up of a photovoltaic panel (4) with the other part made up of at least one transparent plate (5) or separated photovoltaic cells; at least one second dark wall spaced apart from the inner surface of the first wall (3); an intake (9) for fresh or recycled air with a view to circulating air inside the caisson between the walls; and an outlet (13a) for the air that swept through the inside of the caisson and which was heated by the part of the radiation that passed through the first wall including the transparent plate, the power being generated as electricity by the photovoltaic panel and as thermal power using the heated air.

Abstract: A mechanical fluid meter, for liquid or gas, includes an electronic device (E) that has means for metering, and generally also displaying, consumption, said fluid meter including: at least one fluid temperature sensor (3) near the meter and at least one ambient temperature sensor (4) where the meter is installed; a connection means between the temperature sensors (3, 4) and the electronic device (E); and analysis means (5) for establishing the temperature difference (??) between the fluid temperature and the ambient temperature and for taking into account the fluid flow rate value supplied by the meter, said analysis means being programmed so as to display and/or transmit information indicating a meter blockage when the temperature difference (??) is higher than a predetermined limit and the flow rate value supplied by the meter is zero.

Abstract: The invention relates to a waste treatment method in which waste is subjected to a first screening process (4). The fraction of waste passing through the screening is subjected to a pre-fermentation treatment in a rotating tube (1) and the material leaving the pre-fermentation treatment tube is subjected to mixing in a mixing hopper, and, subsequently, to a methanisation treatment in a digester (2). The organic materials are separated from the undesirable products in the material leaving the pre-fermentation treatment tube before it enters the digester. The digester (2) is horizontal and mechanically stirred, and a fraction of the digestate leaving the digester is recirculated at least in the mixing hopper, the recirculation rate being sufficiently high to ensure complete mixing.

Abstract: System for transmitting data for remote logging between a measurement sensor (1a, 1b) comprising an electronic circuit with non-synchronized internal clock and a memory for storing at least one value measured at a first instant (t1), and a transmitter (7) suitable for transmitting at a second instant (t2) the value or values measured at the first instant (t1), and a receiver (12, 12a) synchronized to a reference time base, for gathering the measured values transmitted; the sensor (1a, 1b) comprising an electronic circuit suitable for establishing the time difference ?t (t2?t1) between the instants of transmission (t2) and of measurement (t1) according to the internal clock of the sensor, and the transmitter (7) transmits, with the value or values measured at the first instant (t1), this time difference ?t; and the receiver comprises a circuit for subtracting from the reception instant (T0) according to the reference time base, the time difference (?t) transmitted via the transmitter so as to give the differen

Abstract: Method for inspecting, in real time, the quality of water of a drinking water delivery network comprising, on the one hand, on connections for consumers, consumption meters (9a) fitted with remote-reading devices, and, on the other hand, on-line analysers (10a) distributed at supervision points on the network in order to measure at least one parameter of water quality. The meters (9a) are fitted with remote-reading devices and the consumption data of the various meters (9a), and the measurements of the analysers (10a) are transmitted to a programmed computing unit (A) with a kinetic model of decrease of the quality parameter in question; the computing unit (A) permanently updates the hydraulic model according to the consumption data received from the meters (9a, 9b etc.

Abstract: The invention relates to a mechanical fluid meter, for liquid or gas, comprising an electronic device (E) that has means for metering, and generally also displaying, consumption, said fluid meter including: at least one fluid temperature sensor (3) near the meter and at least one ambient temperature sensor (4) where the meter is installed; a connection means between the temperature sensors (3, 4) and the electronic device (E); and analysis means (5) for establishing the temperature difference (??) between the fluid temperature and the ambient temperature and for taking into account the fluid flow rate value supplied by the meter, said analysis means being programmed so as to display and/or transmit information indicating a meter blockage when the temperature difference (??) is higher than a predetermined limit and the flow rate value supplied by the meter is zero.

Abstract: The present invention relates to a remote water-meter reading device (8) that comprises an assembly (10) for acquiring consumption data and comprising at least one radio transmitter for transmitting the information acquired, at least one radio receiver incorporated into the acquisition assembly (10) so as to enable said device (1) to communicate in both directions in order to receive the information from a central unit (2), and an antenna (11) so that said central unit can transmit time/date information such that this transmission of information taken into account by said radio receivers makes it possible to guarantee exact timing/dating of all the acquisition assemblies (10) of the meters that form one and the same lot, characterized in that said meter (8) initiates a volume-consumed measurement at a time determined by a first timing/dating received from the central unit (2) by the receiver and stops it at a time determined by a second timing/dating received from the central unit (2) by the receiver, the vol

Abstract: The invention relates to a GSM antenna for transmitting or receiving information between a machine or a network of machines and a server, said antenna including a metal strand (9) embedded in a mechanically resistant flat shield (8) made of an insulating material, suitable for providing mechanical protection to and a seal around the metal strand.

Abstract: Device (D) for producing energy, from solar radiation (RS), intended for a building or industrial construction (1), comprising, on the outside, at least one first wall (2) made up of translucent photovoltaic panels (4) and towards the inside some distance away from the first wall, a dark-coloured opaque second wall (3) positioned facing the first wall (2), a gap (5) being created between the first (2) and the second (3) wall, the energy being produced in electrical form by the photovoltaic panels (4) and in thermal form by the second wall (3) which recovers, in the form of hot air or hot water, some of the radiation that has passed through the first wall (2).

Abstract: Device for improving the production of heat by cogeneration comprising a hot source producing steam which is expanded in a turbine the exhaust of which is connected to an air condenser (4) which removes heat, and comprising at least one second auxiliary condenser (5) in the form of a water condenser, the cooling liquid of this water condenser (5) being directed to a plant or equipment (B) in which its heat is extracted and used, then the liquid is returned to the water condenser; the water condenser (5) is incorporated into the air condenser (4).

Abstract: The present invention relates to a remote water-meter reading device (8) that comprises an assembly (10) for acquiring consumption data and comprising at least one radio transmitter for transmitting the information acquired, at least one radio receiver incorporated into the acquisition assembly (10) so as to enable said device (1) to communicate in both directions in order to receive the information from a central unit (2), and an antenna (11) so that said central unit can transmit time/date information such that this transmission of information taken into account by said radio receivers makes it possible to guarantee exact timing/dating of all the acquisition assemblies (10) of the meters that form one and the same lot, characterized in that said meter (8) initiates a volume-consumed measurement at a time determined by a first timing/dating received from the central unit (2) by the receiver and stops it at a time determined by a second timing/dating received from the central unit (2) by the receiver, the vol

Abstract: Method for inspecting, in real time, the quality of water of a drinking water delivery network comprising, on the one hand, on connections for consumers, consumption meters (9a) fitted with remote-reading devices, and, on the other hand, on-line analysers (10a) distributed at supervision points on the network in order to measure at least one parameter of water quality. The meters (9a) are fitted with remote-reading devices and the consumption data of the various meters (9a), and the measurements of the analysers (10a) are transmitted to a programmed computing unit (A) with a kinetic model of decrease of the quality parameter in question; the computing unit (A) permanently updates the hydraulic model according to the consumption data received from the meters (9a, 9b etc.

Abstract: The invention relates to a method for processing nitrogen-concentrated effluents by ammonia oxidation into nitrites followed by nitrite denitritation in a gaseous nitrogen in a sequential biological reactor (1) consisting in pouring a processable effluent volume in to the reactor by successive volume fractions, in dividing the entire processing cycle into successive sub cycles, wherein each sub-cycle comprises a feeding phase, an aeration phase for nitrification and an anoxia phase along which a carbon-containing source is introduced into the reactor for converting nitrites into nitrogen.

Abstract: The invention concerns a method for treating effluents of communities equipped with a wastewater system capable of collecting rain or infiltration water, such that the flow rate of effluents to be treated by a treatment station may greatly vary between a dry weather period and a rainy weather period, whereby is provided a purification plant (1) of capacity substantially adapted to effluent flow rate in dry weather (Qs); upstream of the treatment plant, is provided a filter bed (12) with grown plants for stocking without fermenting, a polluted hydric excess, and for prior treatment; effluent excess (Qp) caused by rain or a storm is directed onto the filter bed (12) with grown plants; the water in stored in the filter bed (12) with grown plants is gradually evacuated to be sent to the treatment plant (1) located downstream.

Abstract: A denitrification reactor with a culture fixed to an organized plastic-type support is combined with an installation for the nitrification and elimination of the carbon-based pollution The reactor is supplied with a mixture of the raw effluent to be treated and of the effluent originating from the installation for the nitrification and elimination of the carbon-based pollution. The reactor includes two denitrification compartments (3, 4) arranged in parallel and operating altenatingly between a filling phase (denitrification and self cleaning-out of the excess biomass); and an emptying phase (denitrification and drainage of the excess biomass). A system for supplying the mixture of effluents consisting of a rotary arm (11) which alternately supplies the mixture to each of the compartments.