Abstract: The invention relates to a method for producing a sugar syrup comprising fermentable sugars from lignocellulosic biomass containing paper waste, in particular printable paper, printed paper or cardboard, said method comprising the following steps: a. optionally, a step of shredding said lignocellulosic biomass containing paper waste: b.i. a step of impregnating said lignocellulosic biomass containing paper waste or shredded lignocellulosic biomass obtained on completion of step a. in an aqueous medium, and ii. a thermal pretreatment step implemented, without the addition of acid, at a temperature of between 80° C. and 150° C. at a pH between 6.5 and 8.5, in particular between 6.5 and 8, in order to obtain a pretreated product, said impregnation and thermal pretreatment steps being carried out simultaneously or successively according to i. and then ii: c. a step of enzymatic hydrolysis of the pretreated product obtained on completion of step b.

Abstract: A method for treating fluid, notably water, includes a renewal step in order to recover the adsorption capacities of an adsorbent bed, including the extraction of a sample of adsorbent from the adsorbent bed, the determination of a target mean age of the extracted adsorbent sample, in particular by the rejuvenation of at least one portion of the extracted adsorbent sample, at which target mean age the extracted adsorbent has a real abatement of pollutants corresponding to a previously set abatement objective, the rejuvenation of the adsorbent bed to the predetermined target mean age. The method makes it possible to improve the treatment of a fluid by adsorption, and notably to take into account the new contaminants. The disclosure also relates to a plant for treatment according to the proposed method.

Abstract: In general, the present invention is directed to a system fort. the treatment of water or wastewater, wherein the system is designed for a maximum flow rate, the system including two or more reactor tanks, the two more reactor tanks each having a capability less than the maximum flow rate, and having a combined capability of achieving or exceeding the maximum flow rate, each reactor tank being fluidically connected to a clarification tank, the reactor tanks receiving an influent, and outputting an effluent; and a clarification tank designed to achieve or exceed, the maximum flow rate, the clarification tank receiving the effluent from the two or more reactor tanks.

Abstract: A method for treating a fluid, notably liquid, in particular water, containing pollutants, is performed by passing a downward stream of fluid through a bed of activated carbon in the form of grains in a treatment station. The method includes a partial renewal of activated carbon including at least one injection of activated carbon and at least one extraction of activated carbon. An installation suitable for implementation of the fluid treatment method is also disclosed.

Abstract: A method for hydrotreating a mixture M1 comprising at least organic material. The method involves pressurizing mixture M1 comprising at least organic material in order to obtain a mixture stream M1p. Then, water is injected at a temperature of at least 374° C. into the mixture stream M1p at an angle ranging from 15° to 90° to obtain a stream M2 comprising water and organic material. Next, stream M2 is introduced into a hydrotreatment reactor, the hydrotreatment reactor being maintained at a temperature ranging from 150° C. to 430° C., in order to obtain a stream M3 containing hydrotreated organic material.

Abstract: A method for treating a mixture M1 comprising at least organic matter. The method involves hydrolyzing mixture M1 to obtain a hydrolyzed mixture M1h. The mixture M1h is pressurized to obtain a stream M1p. M1p is heated to obtain a mixture M2. At least a fraction of M2 is solubilized, optionally heated, and separated to obtain a stream M4 enriched with soluble materials and a stream M3 depleted of soluble materials. At least one fraction of the stream M4 enriched with soluble materials is cooled and expanded to obtain a stream M5. Finally, at least one fraction of the stream M5 is digested.

Abstract: A method for controlling for PFAS removal from a liquid effluent by a control system (100), the control system including a PFAS treatment unit (10) dedicated to the treatment of perfluoroalkyls and polyfluoroalkyl substances PFAS including at least one treatment stage optionally chosen from a PFAS treatment stage, a short chain PFAS treatment stage and a long chain PFAS treatment stage. The method allows activating the PFAS treatment unit only when PFAS, in particular specific PFAS, are detected into the liquid effluent to treat. A control system (100) to implement the method is also disclosed.

Abstract: A process of treatment of carbonaceous material, such as wastewater sludge or organic waste, includes performing a thermal treatment of the carbonaceous material, thereby providing thermally treated carbonaceous material, cooling the thermally treated carbonaceous material, thereby providing cooled carbonaceous material, the cooling being performed using a vacuum cooling procedure, and performing a post-treatment of the cooled carbonaceous material, and at least one carbonaceous material degassing.

Abstract: A field of measuring and monitoring liquids is provided. More specifically, the improved detection of a change in physicochemical composition of a liquid is provided, based on a set of measurements from sensors collocated in the liquid, and applying data partitioning to the set of measurements. If at least two measurement clusters are identified, an abnormal change in the composition of the liquid is detected.

Abstract: A method for incinerating organic matter derived from the treatment of wastewater, or of industrial or agricultural waste, such as sludge and notably treatment plant sludge, is in a fluidized-bed incineration furnace, the furnace including a chamber in the lower part of which there is a bed of particles, preferentially sand, constituting a fluidization zone, in which fluidization zone the organic matter is introduced as fuel whilst air is injected as oxidizer into the bed of sand from a wind box through a fluidization dome surmounting the box. The air passes through passages made in the fluidization dome, and the furnace is configured to treat a nominal value of volume of organic matter to be treated.

Abstract: The invention relates to a method for hydrothermal carbonisation of biomass containing organic matter, the method comprising: —injecting the biomass, a heat transfer fluid and a reagent into a reactor (1), —circulating a mixture consisting of the biomass, the heat transfer fluid and the reagent under specific pressure and temperature conditions for transforming the organic matter by hydrothermal carbonisation.

Abstract: The invention relates to a method and a plant for treating wastewater and associated sludge that makes it possible to eliminate the carbon and nitrogen with maximization of biogas production. The method comprises: (a) a step of treating wastewater producing a first effluent (2) having a reduced content of carbonaceous material and a second effluent (3) having an increased content of carbonaceous material, (b) a step of treating at least one portion of the first effluent producing a third effluent (4) having a reduced nitrogen content, carried out without use of a biological nitrification under aerobic conditions and comprising of at least one step electro-oxidation during which at least one portion of the ammonium ions contained in the first effluent are oxidized to nitrites and/or nitrates, and/or to dinitrogen, (c) a step of anaerobic digestion of the second effluent to produce biogas (7) and a digestate (8).

Abstract: The invention relates to a method for regenerating at least a portion of the adsorbent medium of at least one adsorption reactor implemented in a unit for treating a fluid, said regeneration method being carried out on the site of use of the adsorption reactor and comprising: at least one step of removing at least a portion of the adsorbent medium from said at least one adsorption reactor, and at least one chemical regeneration step comprising a step of bringing said portion of adsorbent medium into contact with a regeneration solution comprising water and sodium hydroxide. The invention also relates to a fluid-treatment method implementing the regeneration method, as well as to a fluid-treatment plant suitable for carrying out the fluid-treatment method according to the invention.

Abstract: A method for the detection of anomalies in a networked water distribution system is provided. It improves detection methods based on an iterative modification of control variables of the network, by determining a reduced set of entities of the water distribution network on which control variables should be iteratively modifier. The invention increases the computing costs, and the reliability of such methods of detecting anomalies in a water distribution system.

Abstract: Systems and methods for enhancing volatile fatty acid, ammonia or dihydrogen production in fermenting bioreactors are presented. Energy efficient evaporation methods and systems are disclosed. Integration of bioreactor and energy efficient evaporation enable use in existing bioreactors. Methods for further recovering fermentation products in bioreactors used for wastewater applications are also disclosed.

Abstract: The invention relates to a device (10) for biomethanation of a CO- and/or H2-containing gas (8), wherein the biomethanation device is characterized in that it comprises: a first reactor (11) comprising a cavity (12), said first reactor being configured to be placed inside a liquid bath (13) comprising at least one bacterial population, such that, when the first reactor (11) is in contact with the liquid bath (13), a biofilm is formed around the cavity (12); an injector (7) for injecting the CO- and/or H2-containing gas (8) into the cavity (12), the biofilm being capable of carrying out a biological conversion of the CO- and/or H2-containing gas into methane; a first CO2 injection device (14), configured to inject CO2 gas (9) into the liquid bath (13).

Abstract: An optimised bio-electrochemical reactor for treating a liquid effluent containing a biodegradable organic pollution. At least one of the anode and cathode compartments of the reactor is a microbial biofilm compartment (12) including a multi-stage current collector immersed in an electrolyte comprising electroactive microorganisms. This current collector includes at least two stages, each defining a chamber acting as a container for a biocompatible granular support material and letting the fluid pass through. The effluent circulates inside the compartment (12) according to an X direction crossing the stages of the current collector. In operation, the support material (17) is in a fluidised state resulting either from the circulation of the effluent, or from the circulation of a fluidisation gas allowing optimising the active surface of the electrode and, consequently, the treatment of the effluent.

Abstract: The invention relates to a method for regenerating a bed of adsorbent medium in an adsorption reactor, implemented in a fluid treatment unit, said bed of adsorbent medium prior to regeneration being a fresh adsorbent medium, said regeneration method comprising at least one chemical regeneration step wherein the bed of adsorbent medium is brought into contact with a regeneration solution, said bed of fresh adsorbent medium being characterized in that: it has an actual reduction rate of at least one target pollutant ranging from 40% to 80%, and/or the bed volume treated by said adsorbent medium is from 20,000 to 100,000 BVT, preferably from 30,000 to 75,000 BVT, more preferably from 40,000 to 60,000 BVT, and/or it has an iodine value ranging from 500 to 800 mg/g. The invention also relates to a fluid-treatment method implementing said regeneration method, as well as to a fluid-treatment plant suitable for carrying out the fluid-treatment method according to the invention.

Abstract: Disclosed is a system and a method for classifying articles in a flow of articles to be separated, the flow of articles to be separated being installed on a conveying device, including: —an image acquisition member installed so as to be able to acquire at least one image of a portion of the flow of articles to be separated; —a first overhanging light source, which emits in the visible spectrum and illuminates the portion of the flow of articles to be separated, the at least one image of which is acquired by the image acquisition member; a classification member capable of classifying the articles of the portion of the flow of articles to be separated according to the acquired image; and at least one second light source, of a different nature than the first light source, allowing additional visual information to appear on the acquired image.

Abstract: A method for cyanobacteria removal in an aqueous solution, includes a first main step of determining a percentage of coagulable dissolved aromatic organic matter to remove corresponding to a cyanobacteria percentage concentration to remove, a second main step of determining an optimal coagulant dose corresponding to the determined percentage of coagulable dissolved aromatic organic matter to remove and a third main step of applying the optimal coagulant dose as the adjusted coagulant dose for cyanobacteria removal. The invention may comprise an evaluation of cyanobacteria concentration in the aqueous solution. The invention may comprise a metabolite removal step adapted for removing dissolved cyanobacteria metabolites, comprising applying a powdered activated carbon dose/contact time couple as by determining at least one Freundlich coefficient for each metabolite type in the aqueous solution.