WO2022058446A1 - Procede et installation de traitement de fluide - Google Patents
Procede et installation de traitement de fluide Download PDFInfo
- Publication number
- WO2022058446A1 WO2022058446A1 PCT/EP2021/075524 EP2021075524W WO2022058446A1 WO 2022058446 A1 WO2022058446 A1 WO 2022058446A1 EP 2021075524 W EP2021075524 W EP 2021075524W WO 2022058446 A1 WO2022058446 A1 WO 2022058446A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- activated carbon
- fluid
- treatment station
- opening
- treated
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 92
- 239000012530 fluid Substances 0.000 title claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 213
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- 238000000605 extraction Methods 0.000 claims abstract description 28
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 23
- 231100000719 pollutant Toxicity 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 22
- 239000003245 coal Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- 239000003651 drinking water Substances 0.000 description 9
- 235000020188 drinking water Nutrition 0.000 description 8
- 239000000356 contaminant Substances 0.000 description 6
- 239000002207 metabolite Substances 0.000 description 5
- 239000000575 pesticide Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000003295 industrial effluent Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 108010049746 Microcystins Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002433 hydrophilic molecules Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- -1 polar molecules Chemical class 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/18—Removal of treatment agents after treatment
Definitions
- the invention relates to a process for treating a fluid, in particular water, in particular water to be made drinkable, but also an urban or industrial effluent, by passing the fluid through a bed of activated carbon.
- these emerging pollutants are poorly adsorbable, whether they are pollutants in the form of small molecules, polar molecules, or hydrophilic molecules.
- These are in particular pesticide metabolites which can thus be found downstream of the adsorption step, such as an adsorption step with granular activated carbon.
- the level of these emerging pollutants at the end of the treatment process can then exceed the regulatory thresholds if these pollutants are specifically regulated or in any event present a risk to be anticipated for emerging pollutants not yet regulated.
- refining processes with activated carbon even those planned with periodic renewal, have been sized according to certain conventional pollutants without having been designed to adapt to these emerging pollutants which are more difficult to eliminate.
- Document FR3003477 proposes in particular the use of a bed of granular activated carbon in ascending flow but without significant expansion, with in addition a washing phase of the filter constituted by the bed of activated carbon. Washing is implemented by a substantial expansion of the bed. This type of process generally requires treatment of the fines before injection into the carbon filter and can only operate with a minimum fluid flow.
- the invention relates to a process for treating fluid, in particular liquid, in particular water, containing pollutants, by passing a descending flow of fluid through a bed of activated carbon in the form of grains in a treatment station , said method comprising a partial renewal of activated carbon including at least one injection of activated carbon and at least one extraction of activated carbon.
- each injection of activated carbon is implemented during a shutdown phase of the process.
- the method of the invention comprises at least one shutdown phase during which activated carbon is injected and during which activated carbon is not extracted.
- the method of the invention comprises a stopping phase comprising successively:
- the defining step makes it possible to eliminate coal fines having a size of less than 0.2 mm.
- the defining step is implemented in countercurrent.
- the bed of activated carbon is a fixed bed of activated carbon.
- the process includes shutdown phases adapted to the fluid requirements downstream of the process.
- the method of the invention comprises at least one defining step and at least one washing step, implemented during separate shutdown phases.
- the invention also relates to an installation for implementing the method according to the invention, comprising a processing station 1, said processing station comprising:
- the treatment station 1 further comprises an opening 7 arranged to introduce air into the treatment station during a washing step or a defining step, preferably said opening 7 is located at an altitude lower than opening 6.
- the installation further comprises a hydraulic circuit downstream of the treatment station, connected to the opening 6.
- the activated carbon can be injected without pretreatment directly into the treatment station thanks to a defining step that can be implemented directly in the treatment station during, for example, a shutdown phase.
- the process of the invention makes it possible to dispense with costly and bulky equipment dedicated to defining since the washing pump of the activated carbon reactor (filter) is suitable for carrying out this defining.
- FIG. 1 represents a processing station according to one embodiment of the invention.
- the invention relates to a process for treating fluid, in particular liquid, in particular water, containing pollutants, by passing a descending flow of fluid through a bed of activated carbon in the form of grains (GAC), said process comprising a partial (or gradual) renewal of the activated carbon including at least one injection of activated carbon (new and/or regenerated) into the treatment station and at least one extraction of activated carbon (used) from the treatment station.
- GAC grain
- the proposed treatment method aims to eliminate the pollutants contained in a fluid to be treated.
- the fluid to be treated can be water, in particular water to be made drinkable, but also urban or industrial effluent (in particular leachates, which are liquid effluents from waste storage), before discharge into the natural environment or even from effluents to be made drinkable (such as wastewater which is urban effluent) directly or indirectly.
- micropollutant designates both organic matter and micropollutants.
- a micropollutant can be defined as an undesirable substance detectable in the environment at very low concentration (microgram per liter or even nanogram per liter).
- the presence of micropollutants in water is, at least in part, due to human activity (industrial processes, agricultural practices or drug and cosmetic residues).
- the micropollutant is characterized as being able, at these very low concentrations, to cause negative effects on living organisms due to its toxicity, its persistence and its bioaccumulation, or due to organoleptic nuisances (taste or odor, particularly relevant when it is a question of treating water to be made drinkable).
- Micropollutants are very numerous (more than 110,000 molecules are listed by European regulations) and varied. The variety of pollutants makes it possible to classify them according to their origin, their nature, or even according to their very different chemical properties. Thus micropollutants can have a natural origin (such as compounds resulting from soil degradation, including metaisoborneol or MIB, or bacterial residues), plant (such as algae metabolites including microcystins), animal, or human. Micropollutants can be classified according to their nature, such as for example polar organic compounds, abbreviated as POC (from the English expression polar organic compounds) or organometallic compounds, abbreviated as MOC (from the English expression metal organic compounds). Micropollutants can have very different chemical properties. different, such as detergents, metals, hydrocarbons, pesticides, cosmetics or drugs.
- the pollutants are natural and/or synthetic organic materials, such as microorganisms contained in the pollutants.
- the fluid to be treated may contain pesticides and/or pesticide metabolites.
- the fluid to be treated is a liquid, such as water.
- the process of the invention is a drinking water treatment process.
- the water to be treated can be qualified as raw water, and can for example be taken from a watercourse, we will then speak of surface water, or be taken using a borehole, we will then speak of groundwater.
- the water to be treated can also be an effluent of urban origin (such as wastewater otherwise called urban waste water) or industrial.
- the water withdrawn Before passing through the bed of activated carbon, the water withdrawn can undergo a pre-treatment stage, for example clarification, using a decanter or a flotation unit so as to obtain separation, carried out for example by coagulation to retain particulate matter. or colloidal, optionally followed by filtration, in particular sand filtration.
- a pre-treatment stage for example clarification, using a decanter or a flotation unit so as to obtain separation, carried out for example by coagulation to retain particulate matter. or colloidal, optionally followed by filtration, in particular sand filtration.
- the nature of the pre-treatment may depend on the origin of the fluid to be treated. In the case where the resource to be treated is underground water, this pre-treatment step can particularly be avoided, as well as for surface water. In the case of an effluent, it is advantageous to provide a pretreatment also including biodegradation, for example upstream of the clarification.
- the method of the invention is implemented in an installation comprising at least one processing station.
- Said processing station may include a fluid inlet and a fluid outlet.
- the treatment station will also include an inlet allowing the injection of new and/or regenerated GAC and an outlet allowing the extraction of used GAC.
- the inlet allowing the injection of new and/or regenerated GAC is located at a higher altitude than the outlet allowing the extraction of used GAC in the treatment station. Altitude is defined relative to Earth's gravity.
- the fluid flow is a downward flow.
- the treatment station will include a fluid inlet (fluid to be treated) in its upper part and a fluid outlet (fluid treated) in its lower part. It will be understood that the upper part is located at a higher altitude than the lower part.
- the processing station will typically not include an agitator to allow such downflow.
- the method of the invention implementing a descending flow has the advantage of being able to operate between 0 and 100% of the peak flow rate and under pressure.
- the downflow process of the invention makes it possible to obtain potable water without the need for filtration downstream of the activated carbon treatment.
- the fluid passes through a bed of activated carbon in the form of grains in a treatment station.
- the granular activated carbon used for the proposed process typically has, for example, a particle size ranging from 300 to 2400 ⁇ m for at least 85 to 90% by weight of the grains.
- the dimensions given are those of the equivalent diameter of the grains for dry sieving or for wet sieving.
- the bed of activated carbon is a fixed (or packed) bed of carbon typically having a bulk density ranging from 0.35 to 0.55.
- the bed of activated carbon is advantageously a fixed bed, as opposed to a fluidized bed. In other words, the activated carbon bed is preferably not fluidized.
- the method of the invention can be implemented with different types of CAG.
- the state-of-the-art processes with a fluidized bed of GAC can only work with specific GAC capable of being fluidized.
- the process of the invention comprises a partial renewal of the activated carbon including at least one injection of activated carbon and at least one extraction of activated carbon.
- the extraction of activated carbon can be implemented during a shutdown phase but the process of the invention will preferably comprise at least one extraction implemented during a production phase in order to reduce water losses and the constraints of functioning. Preferably, each extraction will be implemented during a production phase.
- each injection of activated carbon is implemented during a stop phase, it being understood that the method of the invention could comprise only a single injection of activated carbon between two phases of production.
- Injecting granular activated carbon during a shutdown phase reduces the risk of fines crossing to 0. Otherwise, there is no risk of pollution of the treated water tank, no risk of accumulation of fines in the media unnecessarily increasing the pressure drop in the GAC reactor/filter.
- the GAC accompanied by a few fines will settle on the surface and the fines will be evacuated during defining before restarting the filtration (restarting the process).
- the process of the invention will typically include shutdown phases and production phases, it being understood:
- a shutdown phase of the process may not include either injection of activated carbon or extraction of activated carbon and
- a shutdown phase may include (i) injection of activated carbon without extraction of activated carbon or (ii) extraction of activated carbon without injection of activated carbon.
- a process comprising a stop phase comprising an injection of activated carbon (new and/or regenerated) but no extraction of activated carbon (used) and another stop phase comprising an extraction of carbon active (used) but no injection of activated carbon (new and/or regenerated).
- the renewal of the CAG is a partial renewal. Typically, only a fraction of the activated carbon present in the treatment station is renewed during a shutdown phase. We will also talk about sequenced renewal of activated carbon. Partial renewal (sequenced) optimizes the adsorption capacity of the activated carbon. Indeed, new and/or regenerated activated carbon will make it possible to treat species that are more difficult to treat, such as metabolites, while used activated carbon will make it possible to treat species that are easier to treat, such as pesticides.
- the quantity of activated carbon extracted and the quantity of activated carbon injected during said stoppage phase may be different on one from the other and will typically be adapted according to the needs, in particular the quality of the fluid to be treated.
- the fraction of activated carbon extracted may represent up to 50% vol of the total volume of activated carbon in the treatment station, typically from 1 to 50% vol of the total volume of activated carbon in the treatment station. .
- the quantity of activated carbon injected may represent up to 50% vol of the total volume of activated carbon in the treatment station, typically from 1 to 50% vol of the total volume of activated carbon in the treatment station. .
- the process according to the invention will preferably be a semi-automatic process in order to adapt the cycles to the needs, in particular to the concentrations of the pollutants to be eliminated from the fluid to be treated.
- the renewal may be adjusted according to the concentration of pollutants, for example, the quantity of activated carbon extracted and the quantity of activated carbon injected may be different from each other depending on the needs.
- the method according to the invention will then make it possible to dispense with heavy maintenance operations requiring complete, sometimes long, shutdowns of the processing station.
- the process of the invention comprises at least one shutdown phase and at least one production phase.
- the fluid to be treated passes through the activated carbon bed, typically, the fluid enters the treatment station through an upper inlet, crosses the activated carbon bed, and exits the treatment station through an outlet. lower.
- a shutdown phase may include:
- GAC GAC having undergone at least one production phase, i.e. the passage of a fluid to be treated.
- new GAC within the meaning of the invention, it should be understood GAC that has not undergone a production phase, i.e. that has not been brought into contact with the fluid to be treated.
- regenerated GAC within the meaning of the invention, it is appropriate to understand GAC which, after having undergone one or more production phases, has been treated, for example thermally or chemically, in order to regain filtration capacities close to those of the new CAG.
- a stop phase may include only an extraction phase or only an injection phase or both, involving identical or different amounts of GAC.
- the shutdown phases are adapted to the needs downstream of the process, in particular in the case of drinking water treatment, to the water needs downstream of the process.
- the extraction of the CAG is implemented by means of a hydraulic circuit comprising for example one or more hydroejectors, which may be present in the CAG supply line and/or in the extraction line of CAG.
- the GAC extraction rate can range from 100 to 1000 kg/h, typically from 300 to 700 kg/h, for example 500 kg/h.
- a stream of water can be used to feed the or hydroejectors, for example at a flow rate of 1 to 10 m 3 /h, typically from 1.5 to 5 m 3 /h, at a pressure ranging from 1 to 10 bars, typically from 2 to 5 bars.
- the method of the invention comprises a step of defining the activated carbon implemented after an injection of activated carbon into the treatment station during a stop phase, preferably after each step of injecting activated carbon in the treatment station during a shutdown phase.
- the defining step will be implemented during a restart phase during a shutdown phase.
- the shutdown phase may last for a certain time, then the defining step is implemented during the restart phase.
- the defining step is preferably implemented inside the processing station.
- the defining step eliminates coal fines having a size of less than 0.2 mm.
- the defining step eliminates the need for bulky and expensive equipment since the GAC can be injected without pre-treatment before injection into the treatment station.
- the defining step is implemented against the current (by an ascending flow), preferably by injecting a first washing solution comprising water.
- the defining step is implemented by injecting air followed by an injection of the first washing solution comprising water.
- the defining step is implemented only by injecting a first washing solution comprising water, without an air injection step.
- the first washing solution for the defining step can comprise raw water, treated water (via passage through the GAC bed according to the method of the invention), or treated water having optionally undergone a subsequent step (downstream of passage through the GAC bed according to the process of the invention) of chlorination or basification or disinfection or UV or ozone treatment or filtration.
- the treatment station for the implementation of the method of the invention will comprise a washing air inlet in lower part, typically at a lower altitude relative to the fluid and GAC inlets.
- the water treatment processes of the prior art implementing GAC implement a defining step upstream of the treatment station, before injection of the GAC into the treatment station, which requires additional installations.
- the method of the invention may allow easier management of the fines, thanks to the implementation of a defining step within the station itself. treatment, during a shutdown phase, which simplifies the facilities necessary for the implementation of the process.
- the method of the invention comprises, during a stoppage phase, a washing step, preferably implemented in counter-current (by an ascending flow), separate from the defining step.
- the washing step when it is implemented, comprises an injection of a second washing solution comprising water possibly preceded by an injection of air.
- the washing step when implemented comprises an injection of air followed by an injection of a second washing solution.
- the second wash solution for the wash step can be the same or different from the first wash solution for the defining step.
- the second washing solution for the washing step can comprise raw water, treated water (via passage through the bed of GAC according to the method of the invention), or treated water having optionally undergone a subsequent step (downstream of passage through the GAC bed according to the process of the invention) of chlorination or basification or disinfection or UV or ozone treatment or filtration.
- the defining step can be distinguished from the washing step in that it generally lasts less time than a washing step.
- the defining step will preferably be implemented after each CAG injection step during the same shutdown phase, immediately after the injection but preferably during the restart phase, which can be implemented after several downtime.
- the primary objective of the washing step is to eliminate the effects of filtration, in particular to eliminate suspended solids between the grains of GAC, in the interstices in the volume of the bed of GAC.
- the primary objective of the defining step is to remove coal fines with a size of less than 0.2 mm.
- the method comprises at least one defining step and at least one washing step preferably implemented during two different stopping phases, it being understood that the defining step is different from the step of washing, for example the defining step will generally last less time than the washing step.
- This embodiment allows a reduction in the risk of passing through fines, a saving in equipment since a pretreatment of the GAC is not necessary and since a washing pump will make it possible to carry out both a washing step and a defining step, and allows increased operating flexibility since the filtration cycles can be adapted to downstream needs.
- a washing step may be implemented during a shutdown phase during which there is neither injection nor extraction of activated carbon.
- the washing step can be triggered for example according to the number of hours of production or according to the quantity of water treated, or according to the number of hours of stoppage or in the event of detection of clogging of the filter (variation of pressure between the inlet and the outlet of the filter).
- the process could include a shutdown phase without injection of new and/or regenerated GAC or extraction of used GAC.
- the method according to the invention eliminates the need for a filtration step downstream of the step of treatment on a bed of granular activated carbon.
- the method of the invention does not include a filtration step by granular or membrane filtration downstream of the activated carbon treatment.
- State-of-the-art water treatment processes tend to add turbidity to the water, which then requires downstream treatment.
- the process of the invention will generally not add turbidity.
- the method according to the invention is thus particularly well suited to small drinking water production units, typically for treating raw water having a turbidity of less than 2 N FU, but the method can also be coupled with other facilities to treat any type of water.
- the method of the invention can operate with reduced fluid flow rates, typically lower than the peak flow rate.
- the processes of the state of the art with a fluidized bed of GAC can only operate with a minimum of 10% fluidization, which requires higher flow rates.
- Downward filtration can be implemented at a pressure ranging from atmospheric pressure (about 1 bar), up to a pressure of 15 bars or 5 bars.
- the activated carbon bed is pressurized, generally at a pressure ranging from 1.5 bars to 15 bars, preferably from 1.5 to 5 bars.
- This embodiment under pressure will be particularly suitable when the process is implemented in small drinking water production units.
- the downward filtration will preferably be implemented under atmospheric pressure, in which case we will speak of “gravity” pressure.
- the method of the invention can be implemented in an installation comprising at least one processing station.
- the processing station can be a closed processing station under pressure or an “open” processing station when the method is implemented at atmospheric pressure.
- the invention also relates to an installation for implementing the method according to the invention, comprising at least one processing station 1, said processing station comprising:
- the treatment station further comprises an opening 7 arranged to introduce air into the treatment station during a washing step or a defining step, preferably said opening 7 is located at a lower altitude at opening 4.
- the opening 3 may allow the evacuation of the washing/defining water from the treatment station and the opening 5 may allow the introduction of the washing solution in the processing station.
- the installation further comprises a hydraulic circuit downstream of the treatment station, connected to outlet 6.
- FIG. 1 One embodiment of a processing station implemented in the installation of the invention is represented in FIG. 1. As shown in FIG. 1, the processing station 1 comprises:
- the opening 3 of the treatment station is located at a higher altitude than that of the opening 5.
- the opening 4 of the treatment station is located at a higher altitude than that of the opening 6.
- entrance 7 is located at a lower altitude than that of exit 6.
- the opening 3 of the treatment station can be used to evacuate the washing solution after defining and/or washing.
- Valve systems will generally be provided to distinguish the water supply line to be treated from the washing solution evacuation line after a washing and/or defining step.
- the opening 5 of the treatment station can be used to introduce the washing solution before defining and/or washing.
- Valve systems may be provided to distinguish the treated water withdrawal line (after filtration) from the washing solution introduction line before a washing and/or defining step.
- the treatment station may be a metal (closed) filter or a concrete (open) receptacle.
- the installation further comprises a hydraulic circuit facilitating the extraction of used GAC.
- a hydraulic circuit may include one or more hydro-ejectors coupled to a water circuit to allow the extraction of the used GAC.
- Said water circuit may possibly include a water booster.
- the installation further comprises a hydraulic circuit facilitating the injection of new and/or regenerated GAC.
- the installation of the invention will also comprise a new and/or regenerated GAC storage device and a used GAC recovery device.
- a storage device mention may be made of a storage silo or one or more bags.
- a used GAC recovery device mention may be made of a recovery skip or a HDPE (high density polyethylene) type tarpaulin with a GAC evacuation system by overflow or pumping.
- the used GAC recovery skip is a used GAC filtering skip.
- the installation may possibly include a treated fluid recovery tank, downstream of the treatment station.
- the installation does not include a granular or membrane filtration device downstream of the treatment station.
- the installation will of course include pipes, valves and/or pumps allowing the circulation of fluid and/or GAC (new/regenerated or used) and/or washing solutions as required.
- the installation comprises a control device making it possible to adapt the nature and duration of the shutdown phases according to the needs, such as the needs downstream of the processing station.
- a shutdown phase may include an injection of new and/or regenerated GAC and/or an extraction of used GAC. It should be noted that during the implementation of the process, the process could include a shutdown phase without injection of new and/or regenerated GAC or extraction of used GAC.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Extraction Or Liquid Replacement (AREA)
- Fertilizers (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21777535.2A EP4214163A1 (fr) | 2020-09-17 | 2021-09-16 | Procede et installation de traitement de fluide |
KR1020237011326A KR20230069136A (ko) | 2020-09-17 | 2021-09-16 | 유체 처리 방법 및 설비 |
CN202180068073.2A CN116802154A (zh) | 2020-09-17 | 2021-09-16 | 流体处理方法以及装置 |
US18/026,243 US20230365432A1 (en) | 2020-09-17 | 2021-09-16 | Fluid treatment method and plant |
CA3195505A CA3195505A1 (fr) | 2020-09-17 | 2021-09-16 | Procede et installation de traitement de fluide |
AU2021343265A AU2021343265A1 (en) | 2020-09-17 | 2021-09-16 | Fluid treatment method and plant |
JP2023517338A JP2023542144A (ja) | 2020-09-17 | 2021-09-16 | 流体処理方法および設備 |
ZA2023/04147A ZA202304147B (en) | 2020-09-17 | 2023-04-04 | Fluid treatment method and plant |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2009442 | 2020-09-17 | ||
FR2009442A FR3114094B1 (fr) | 2020-09-17 | 2020-09-17 | Procede et installation de traitement de fluide |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022058446A1 true WO2022058446A1 (fr) | 2022-03-24 |
Family
ID=73497994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/075524 WO2022058446A1 (fr) | 2020-09-17 | 2021-09-16 | Procede et installation de traitement de fluide |
Country Status (10)
Country | Link |
---|---|
US (1) | US20230365432A1 (fr) |
EP (1) | EP4214163A1 (fr) |
JP (1) | JP2023542144A (fr) |
KR (1) | KR20230069136A (fr) |
CN (1) | CN116802154A (fr) |
AU (1) | AU2021343265A1 (fr) |
CA (1) | CA3195505A1 (fr) |
FR (1) | FR3114094B1 (fr) |
WO (1) | WO2022058446A1 (fr) |
ZA (1) | ZA202304147B (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05293461A (ja) * | 1992-04-16 | 1993-11-09 | Meidensha Corp | 固定床活性炭処理塔における粒状活性炭の引抜及び供給方法 |
JPH06254579A (ja) * | 1993-03-03 | 1994-09-13 | Hitachi Plant Eng & Constr Co Ltd | 生物活性炭濾過装置 |
FR3003477A1 (fr) | 2013-03-25 | 2014-09-26 | Degremont | Procede et installation de traitement de fluide contenant des matieres organiques, naturelles ou synthetiques, en particulier dans une filiere d'eau potable |
-
2020
- 2020-09-17 FR FR2009442A patent/FR3114094B1/fr active Active
-
2021
- 2021-09-16 JP JP2023517338A patent/JP2023542144A/ja active Pending
- 2021-09-16 WO PCT/EP2021/075524 patent/WO2022058446A1/fr active Application Filing
- 2021-09-16 KR KR1020237011326A patent/KR20230069136A/ko active Search and Examination
- 2021-09-16 AU AU2021343265A patent/AU2021343265A1/en active Pending
- 2021-09-16 CN CN202180068073.2A patent/CN116802154A/zh active Pending
- 2021-09-16 US US18/026,243 patent/US20230365432A1/en active Pending
- 2021-09-16 CA CA3195505A patent/CA3195505A1/fr active Pending
- 2021-09-16 EP EP21777535.2A patent/EP4214163A1/fr active Pending
-
2023
- 2023-04-04 ZA ZA2023/04147A patent/ZA202304147B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05293461A (ja) * | 1992-04-16 | 1993-11-09 | Meidensha Corp | 固定床活性炭処理塔における粒状活性炭の引抜及び供給方法 |
JPH06254579A (ja) * | 1993-03-03 | 1994-09-13 | Hitachi Plant Eng & Constr Co Ltd | 生物活性炭濾過装置 |
FR3003477A1 (fr) | 2013-03-25 | 2014-09-26 | Degremont | Procede et installation de traitement de fluide contenant des matieres organiques, naturelles ou synthetiques, en particulier dans une filiere d'eau potable |
Also Published As
Publication number | Publication date |
---|---|
FR3114094A1 (fr) | 2022-03-18 |
EP4214163A1 (fr) | 2023-07-26 |
FR3114094B1 (fr) | 2023-01-20 |
AU2021343265A1 (en) | 2023-05-18 |
KR20230069136A (ko) | 2023-05-18 |
CA3195505A1 (fr) | 2022-03-24 |
ZA202304147B (en) | 2023-09-27 |
AU2021343265A9 (en) | 2024-04-18 |
CN116802154A (zh) | 2023-09-22 |
US20230365432A1 (en) | 2023-11-16 |
JP2023542144A (ja) | 2023-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2632859B1 (fr) | Procede de separation entre liquide et matiere en suspension d'une boue et dispositif mettant en ouvre un tel procede | |
EP2440496B1 (fr) | Installation de traitement de fluide aqueux par contact avec un lit fluidise de charbon actif en poudre coagule | |
EP3231771A1 (fr) | Procédé de traitement d'eau par adsorption sur charbon actif et clarification, et installation correspondante | |
WO2015091211A1 (fr) | Installation et procede de traitement d'eau sur membranes integrant une adsorption sur materiau pulverulent adsorbant et des moyens permettant de limiter l'abrasion des membranes | |
EP2826752B1 (fr) | Procédé de clarification des eaux contenant des structures colloïdales et gâteau obtenu | |
EP3395766B1 (fr) | Procédé de traitement mixte par clarification et adsorption sur cap dans un décanteur à lit de boues fluidisé | |
EP3191412B1 (fr) | Gestion active des lits fluidises de charbon actif | |
FR2874913A1 (fr) | Procede de depollution de fluide contenant des micropolluants organiques par adsorption sur charbon actif dans un reacteur de traitement | |
EP4214163A1 (fr) | Procede et installation de traitement de fluide | |
EP2996988B1 (fr) | Procede de traitement de fluide aqueux par contact avec un lit fluidise de charbon actif | |
EP3153475B1 (fr) | Procédé de dépollution des eaux par adsorption sur charbon actif | |
EP4271656A1 (fr) | Procédé de traitement de l'eau par adsorption sur charbon actif couplé à une adjonction d'ozone, et installation pour la mise en ?uvre de ce procédé | |
WO2013064667A1 (fr) | Procede de traitement d'eau comprenant une adsorption sur cap, une filtration mecanique non-membranaire et une recirculation de cap | |
WO2002012138A1 (fr) | Installation et procede d'epuration des eaux usees ou residuaires notamment industrielles | |
EP3411335A1 (fr) | Dispositif et procédé d'extraction de substances solubles dissoutes dans une solution aqueuse | |
FR3075780A1 (fr) | Procede de traitement d'eau en reacteur sequentiel discontinu avec injection de charbon actif | |
FR2990212A1 (fr) | Procede de recuperation d'hydrocarbures a partir d'une boue et dispositif mettant en oeuvre un tel procede | |
OA16395A (fr) | Procédé de séparation entre liquide et matière en suspension d'une boue et dispositif mettant en oeuvre un tel procédé. | |
OA16394A (fr) | Procédé et dispositif de clarification des eaux. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21777535 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 3195505 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2023517338 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20237011326 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202347025239 Country of ref document: IN Ref document number: 202180068073.2 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021777535 Country of ref document: EP Effective date: 20230417 |
|
ENP | Entry into the national phase |
Ref document number: 2021343265 Country of ref document: AU Date of ref document: 20210916 Kind code of ref document: A |