WO2017129419A1 - Vorrichtung und verfahren zur flokkulation von feststoffanteilen eines fest-fluessig-gemisches - Google Patents
Vorrichtung und verfahren zur flokkulation von feststoffanteilen eines fest-fluessig-gemisches Download PDFInfo
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- WO2017129419A1 WO2017129419A1 PCT/EP2017/050647 EP2017050647W WO2017129419A1 WO 2017129419 A1 WO2017129419 A1 WO 2017129419A1 EP 2017050647 W EP2017050647 W EP 2017050647W WO 2017129419 A1 WO2017129419 A1 WO 2017129419A1
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- liquid mixture
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/421—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path
- B01F25/423—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path by means of elements placed in the receptacle for moving or guiding the components
- B01F25/4231—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path by means of elements placed in the receptacle for moving or guiding the components using baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
- B01F33/8212—Combinations of dissimilar mixers with consecutive receptacles with moving and non-moving stirring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/715—Feeding the components in several steps, e.g. successive steps
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
- C02F11/145—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
Definitions
- the invention relates to a device and a method for flocculation of Feststoffantei len of a solid-liquid mixture such as sludge o- the wastewater.
- Such apparatus and methods are used for the treatment or remediation of sludges of, for example, industrial origin, sludges from mining and sludge in waters and sewage treatment plants,
- a method for flocculation of sludge in which the sludge for the purpose of coagulation of Feststoffantei le a surface-treated natural calcium carbonate, a natural Benton it and an anionic polymer are brought into contact with the sludge.
- a device and a method for treating sludge in which the sludge is first disintegrated, and then the disintegrated sludge a polymer-comprising flocculant is added.
- the device comprises a trained for the passage of the solid-liquid mixture mixing section.
- the proposed device can be, for example, an admixture or admixture of flocculation agents in a solid-liquid mixture, such as sludge or waste water.
- the device can comprise, for example, a pump unit, or more generally a feed or charge unit, for supplying the solid-liquid mixture to the mixing section, or an interface can be present with which the device proposed here is applied a corresponding pump unit, etc. can be connected.
- the device may, additionally or alternatively, a Separator, such as a filter unit comprising, which eclip ⁇ eliminated with soft solids, particularly coagulated solids of the solid-liquid mixture, that may be at least partially separated from the liquid fraction.
- the mixing section in turn comprises a first mixing unit and a, in particular different, second mixing unit.
- the mixing section may comprise at ⁇ play ei ne pipeline or ei n piece of tubing, on or in which the first and second Mischei n are formed integral, and which is adapted to a respectively to be treated, solid-liquid mixture hin miclei- th to.
- the mixing section may have at its ends interfaces, for example in the form of couplings or connecting flanges, which are designed to connect the mixing section, for example, to an upstream feed pump unit and / or a downstream solids separator.
- the first mixing unit comprises a for mixing a first Flokkulationsagens, or flocculant by means of the mixing section trained and established static mixer.
- the mixing section comprises one of the first mixing unit fluidly connected in series, in particular fluidly downstream of the first mixing unit located or downstream, second mixing unit.
- the second mixing unit comprises a dynamic mixer set up for mixing a second flocculation agent or second flocculant to the mixing section.
- the static mixer comprises one or more impellers, in particular impingement plates, formed in the volume of the feed line, for example in the volume of the conveyor line, and / or that the dynamic mixer comprises one or more insulators Volume of the delivery line protruding, coupled to a motor drive unit, M ischrotoren includes.
- the device has a mixing section, in which the dynamic mixer with mixing rotor fluidly, d. H. i n the flow direction provided for the solid-liquid mixture in proper operation through the mixing section, downstream of the static mixer, which may in particular comprise one or more baffles arranged.
- the first flocculation agent it is thus possible for the first flocculation agent to be first mixed into the solid-liquid mixture by means of the static mixer and, viewed fluidically, thereafter the second flocculation agent to be mixed into the solid-liquid mixture by means of the dynamic mixer.
- At least one of the at least egg baffle device i dealt Pra llplatte, a baffle having, which is arranged transversely, in particular perpendicular to the resulting in proper operation of the device flow direction of the solid-liquid mixture.
- a baffle having which is arranged transversely, in particular perpendicular to the resulting in proper operation of the device flow direction of the solid-liquid mixture.
- baffle plate cross-sectional area of the mixing section for example, the cross-sectional area of a corresponding mixing tube in which the baffle unit, in particular PralSpiatte, is located.
- baffle plate cross-sectional area of the mixing section for example, the cross-sectional area of a corresponding mixing tube in which the baffle unit, in particular PralSpiatte, is located.
- a circular cross section of the volume defined by the mixing section and, for example, a likewise circular baffle surface, in particular baffle plate can be used as the flow cross section at the location of the baffle surface, in particular baffle plate, for.
- an annular gap o- are provided, for example, with a constant or substantially constant width in the circumferential direction.
- annular gaps in connection with passive mixers or static mixers have proven to be an efficient admixture of flocculation agents, such as calcium carbonate (GaCC), for example.
- baffle unit in particular baffle plate, with a, for example, centrally arranged with respect to the diameter in the mixing section, baffle and egg nem correspondingly formed gap, in particular annular gap, for example, can be achieved that increases the flow velocity in the baffle unit, and that the hard Liquid mixture flow is turbulent in the baffle unit, and so that ei ne improved mixing and flocculation can be achieved.
- the size of the baffle surface and thus the reduction of the cross section of the mixing section at the location of the prying surface, can be dependent on the respective solid-liquid mixture and / or depending on the respective flocculation agent or the flocculation agents and / or their compositions and / or the geometry of the mixing section and / or the respective volume flow through the mixing section.
- the free cross-sectional area of the mixing section at the location of the impact surface is 2 to 3 times, for example approximately 2.25 times, the impact area measured transversely to the direction of flow, ie the effective impact area, for example the Baffle plate, amounts to.
- the diameter of the Prail configuration be about 10 cm.
- a reduction of the free cross-sectional area of the Red Mixed range can be achieved by about 30% to 50%.
- the free cross-sectional area of the mixing section can or should be understood to mean, in particular, the flow cross-section of the mixing section, ie the free inner diameter of the mixing section as such, which is perpendicular to the fluid line through an assumed laminar flow through the mixing section and non-existing baffle plate.
- the first mixing unit is a first feed unit (or first injection unit) designed for, for example, passive or pump-supported active feed of the first flocculation agent with at least one first fluidically upstream of, in particular static, mixer of the first mixing unit Feed orifice (or: first injection port) for the first flocculation agent to the mixing section comprises.
- the second mixing unit can be a second feed unit (or second injection unit) designed for, for example, passive or pump-supported active feeding of the second flocculation agent to the mixing section with at least one second feed opening located upstream of the, in particular dynamic, mixer of the second mixing unit (or: second injection port) for the second flocculation agent to the mixing section.
- the mixing section may be formed such that both the first and the second Flokkulationsagens upstream of the respective associated mixer is added or supplied.
- the first supply unit comprises a first supply lance projecting into the mixing volume defined by the mixing section, on which at least one first supply opening can be formed.
- the second supply unit comprises a second supply lance projecting into the mixing volume defined by the mixing section, at which at least one second supply opening can be trained.
- the first and / or second flocculation agent can be supplied selectively into the flow volume, for example in the area of the fluid center or centrally to the flow cross section, and / or in the area in which maximum flow rates occur, in particular ei ne comparatively good admixture of the respective flocculant can be achieved.
- the feed lances may, for example, comprise one or more outlet or injection openings or nozzles, which is / are adapted to introduce the respective flocculation agent in suitable concentration and / or distribution into the solid-liquid mixture.
- At least one first and / or at least one second supply opening is / are formed at a distal end of the respective feed lance located within the mixing volume, for example positioned approximately centrally to the free cross section of the mixing section.
- Feed openings may additionally or alternatively be formed along the longitudinal extension of the respective feed lance.
- the supply or injection unit can include in Ausgesta tions a Ri ngdüse over which the flocculation agent can be supplied to the mixing volume.
- the annular nozzle can be arranged, for example, within the mixing volume, in particular centrally in the mixing volume, so that the opening defined by the annular gap of the annular nozzle transversely, in particular at a predetermined angle, for example an angle of 45 °, to the flow direction or flow direction of the solid-liquid Mixture a is arranged.
- the first and / or second Zubuchöffnu ng of the first and second Mischei beauty is formed to the flow cross-section of the mixing section at the location of jewei time supply opening.
- the respective feed opening may be designed and aligned such that a normal vector of the opening area of the feed opening transversely, in particular obliquely or perpendicular to the flow vector of the solid-liquid mixture or parallel to the flow cross-sectional area of the mixing unit.
- the supply opening is formed and aligned such that the normal vector of the opening area is aligned at a predetermined angle to the flow vector.
- the feed opening may be arranged such that it is aligned at a predetermined angle to the flow direction or flow direction of the solid-liquid mixture, for example at an angle of 45 °, upstream, ie opposite to the flow direction of the solid-liquid mixture.
- a corresponding orientation of the feed opening in particular allows a comparatively uniform mixture result and / or with a suitable alignment obliquely to the flow or flow direction, an additional Verwirbelungs bine be achieved.
- a measured in the flow direction ie parallel to the direction of flow of the solid-liquid mixture through the mixing section, in particular along the assuming laminar flow resulting fluid line or along the center axis of the mixing path volume, measured distance between the two The feed opening and the, in particular dynamic, mixer of the second mixing unit, the 0.6 times to 1.2 times, in particular 0.74 times, the free diameter of the mixing section at the location or in the region of the second mixing unit or the second supply port is.
- distances may be in the range of 50 meters and / or in the range of 200 times the free diameter to allow for adequate development and maturation, as needed.
- a distance measured in the flow direction between the first mixing unit, in particular between the associated first or static mixer, and second feed opening of the second mixing unit between 0.8 and 1, 2 times the free diameter of the mixing section at the location or in the area of the first mixing unit or mixer and / or at the location or in the area of the second supply opening. Also here can grds. larger distances are used, for example, in the range of one or more meters, for example, up to 50 meters, with the distances chosen in each case being set up so that sufficient ripening and development of the flakes can be achieved.
- the first flocculation agent is thoroughly mixed with the solid-liquid mixture before it is the second mixing unit reached, at which the second Flokkulationsagens is supplied or added.
- a distance between the first and second mixing unit for example between the first mixing unit, in particular the first or static mixer, and the second mixing unit, in particular the second feed opening or the second or dynamic mixer, in embodiments other than the values given above are.
- the distance in particular independently of the respective diameter of the mixing section, can be in the range of up to one or more meters, and for example up to 50 m.
- the distance may, for example, be selected such that, depending on the particular solid-liquid mixture to be treated and / or the flocculation agent (s) used in each case, sufficient maturation and development of the flakes to be formed is possible in the mixing section.
- a device for the addition of flocculation agents in a solid-liquid mixture for example according to one of the embodiments described so far, one or the for the passage of the solid-liquid mixture formed mixing section, which comprises one or the first and one or the second mixing unit.
- the second mixing unit is located fluidly downstream of the first mixing unit, and that the first mixing unit is adapted and adapted to add or mix the first or a first flocculation agent to the mixing section, and that the second mixing unit is set up and is specially adapted to mix or add the or a second Flokkulationsagens to the mixing section.
- the first flocculation agent may comprise or consist of a carbonate and / or calcium salt, in particular calcium carbonate (CaCCh)
- the second flocculation agent may comprise at least one acrylamide-free polymer or consist of a corresponding polymer.
- the surface of the calcium carbonate (CaC0 3 ) may optionally be pretreated with phosphoric acid (H3PO4).
- H3PO4 phosphoric acid
- a measured distance in the flow direction between the first supply port and the mixer of the first mixing unit and / or between the second supply port and the mixer of the second mixing unit the 0.6 to 1 , 2 times, in particular 0.74 times, the free diameter (de) of the mixing section at the location or in the region of the first or second mixing unit.
- a distance measured in the flow direction between the mixer of the first mixing unit and the second supply opening between 0.8 and 1.2 times the free diameter of the mixing section at the location or in the region of the first mixing unit and / or at the location or in the region of the second supply opening.
- the abovementioned distances can, as already mentioned, also be greater, and be selected depending on the properties of the particular solid-liquid mixture and / or the respective flocculation agents and / or depending on the geometry of the mixing section and the mixing units, etc., with the comments referenced above, which apply accordingly.
- Fiokkulationsagens based on at least one acrylamide-free polymer, it may be provided that the polymer is an anionic or cationic, preferably water-based, polymer han ⁇ delt and / or that the polymer comprises a polyelectrolyte.
- a method for Flokkulation of Feststoffanteiien a solid-liquid mixture is provided, wherein the solid-liquid mixture, for example, mud, e.g. Industrial sludge, or dirty water, can act.
- the solid-liquid mixture for example, mud, e.g. Industrial sludge, or dirty water
- a device according to one of the embodiments described herein can be used to carry out the method, which means that all features described and mentioned in connection with embodiments of the device can also be used in the claimed method, and vice versa. It is explicitly referred to the above comments on the device, which should apply here accordingly.
- the solid liquid mixture is passed through a mixing section, such as a mixing tube or a mixing line, wherein in the course of passage or during the passage of the mixing section of the solid-liquid mixture in the Mixed mixing a first Flokkulationsagens means of a static mixer of a first mixing unit, and a second Flokkulationsagens be mixed by a dynamic mixer of a second mixing unit, the second mixing unit with the first mixing unit fluidly connected in series, in particular fluidly located downstream of the first mixing unit or this is fluidly downstream.
- a mixing section such as a mixing tube or a mixing line
- the second mixing unit may be located downstream in terms of flow, ie the second mixing unit may be in one direction be arranged downstream of the first mixing unit parallel to the flow of the solid-liquid mixture.
- the first flocculation agent is mixed with the static fluid mixer flowing through the mixing path by using a static mixer, and then the second flocculation agent by using a dynamic mixer.
- such a combination of type and fluidic arrangement of the mixer has proven to be advantageous in terms of the achievable Koagulations horr.
- the solid-liquid mixture is passed through one or the mixing section for flocculation of solid fractions of a solid-liquid mixture and the solid-liquid mixture in the mixing section first or the first Flokkulationsagens and fluidly downstream then one or the second Flokkulationsagens be admixed, the first Flokkulationsagens a carbonate and / or calcium salt, in particular calcium carbonate (CaC03>
- the surface of the calcium carbonate (CaC 3) may optionally be pretreated with phosphoric acid (H 3 PO 4), ie the calcium carbonate may be subjected to a surface treatment with phosphoric acid ,
- the first flocculation agent is supplied to the solid-liquid mixture via a first supply unit located upstream of a first mixer of the first mixing unit, for example of the static mixer.
- the second flocculation agent is fed to the solid-liquid mixture via a second supply line, located upstream of a second mixer of the second mixer, for example the dynamic mixer.
- the downstream, in particular fluidly downstream mixers in particular according to the embodiment described herein using a static and dynamic mixer, in muds a vortei lhafte, in particular comparatively uniform admixture of the flocculation agents, egg with comparatively good coagulation results.
- the first flocculation agent can be fed to the solid-liquid mixture via a first feed lance projecting into the mixing volume defined by the mixing section.
- the second flocculation agent can be fed to the solid-liquid mixture via a second feed lance protruding into the volume of liquid defined by the mixing section.
- the first and / or second flocculation agent be at an approximately free cross-section of the mixing section is supplied to the location.
- the flocculation agent can be supplied via a lance, in which the feed opening can be located in the region of the center axis of the mixing section.
- a central addition, in particular in conjunction with one or more impact units or baffles, in particular baffles or a dynamic mixer, for example a mixer with radial mixing blades, the axis of rotation may be arranged for example perpendicular to the flow in the mixing section, in particular allows a homogeneous Addition of the flocculation agent (s).
- the first and / or second flocculation agent is supplied to the solid-liquid mixture with a directional component running transversely, in particular perpendicularly, to the flow direction of the solid-liquid mixture prevailing at the respective feed location in the mixing section.
- the respective flocculation agent can be fed, in particular injected or injected, through a feed opening, nozzle, nozzle opening or lance aligned transversely, for example at an angle of 45 ° upstream, to the flow in the mixing section.
- At least one of the flocculation agents is provided as a solid, in particular powder, and is dissolved in a carrier liquid, for example water, before it is fed to the solid-liquid mixture or before it is fed to the mixing section.
- a carrier liquid for example water
- the flocculation agent can be added in powder form or in dissolved form in carrier liquid.
- a fluidic distance in the flow direction or flow direction of the solid-liquid mixture between the place of addition of the first and / or second flocculation agent and the mixer of the respective first or second mixing unit is 0.6 to 1 , 2-fold, in particular 0.74-fold, of the on-site or in the area of first or second mixing unit measured free diameter (de) of the mixing section is.
- Such distances result in a comparatively good mixing of Fiokkulationsagentien and solid-liquid mixture, especially in the case of sludge.
- a fluidic distance between the location or the range of addition of the second Fiokkulationsagens and first mixing unit in particular the fluidically upstream first mixing unit, for example, between the location or range of addition of the second Fiokkulationsagens and, for example, upstream , first mixer of the first mixing unit, between 0.8 and 1.2 times the free diameter of the mixing section at the location or in the region of the first mixing unit and / or at the location or in the region of the addition of the Fiokkulationsagens.
- FIG. 1 an exemplary device according to the invention
- FIG. 2 is a partial sectional view of the device
- FIG. 3 is a construction diagram of an embodiment of the device
- FIG. 4 is a sectional view of the device in the region of the mixing section
- FIG. 5 is a sectional view of an alternative mixing section; a detail concerning feed lances of the device; a schematic representation concerning a detail of another mixing unit of the device; and an embodiment of a mixing unit according to FIG. 8 comprising a baffle plate. a sectional view egg ner pipe with mounted mixing units; a further sectional view of the pipeline with mounted mixing units;
- FIG. 1 to FIG. 10 are denoted by the same reference numerals.
- FIG. FIG. 1 shows an exemplary device for flocculation of solid fractions of a solid-liquid mixture, which will be referred to as flocculating device 2 in the following.
- the flocculating device 2 may be mounted or mounted, for example, in or on a mobile transport unit, such as a support or mounting frame 11 (see FIG 2), including, for example, forklifts and the like, or a container.
- a mobile transport unit such as a support or mounting frame 11 (see FIG 2), including, for example, forklifts and the like, or a container.
- this makes it possible to transport flocculation device 2 to the respective place of use in a mobile and flexible manner.
- one or more electrical control cabinets 3, and also one or more tanks (schematically shown) attachment systems or mixing systems 4 for one or more flocculation agents may be present.
- the flocculation device 2 comprises a first mixing unit 5, which is installed on a, in particular a mixing section forming or comprehensive, pipe 6 is insta lliert, and a us educated is for admixing a first Fiokkulationsagens.
- the first mixing unit 5 may, for example, be configured and adapted to incorporate a calcium carbonate (CaCC) -based fouling agent in a solid-liquid mixture, for example sludge, flowing through the mixing zone.
- CaCC calcium carbonate
- the flocculation device 2 furthermore comprises a second mixing unit 7, which is likewise installed on the mixing section 6, and is designed to admix a second fuming agent.
- the second mixing unit 7 can be designed, for example, to add to the solid-liquid mixture flowing through the mixing section a fuming agent based on a preferably acryiamide-free polymer.
- coagulation of solid particles of the solid-liquid mixture can be achieved, whereby coagulated solid particles can subsequently be separated, for example, by filtration, centrifugation, or sedimentation.
- the flocculation device 2 of FIG. 1 further includes an optional mass flow meter 8 which, as stated earlier, may be installed on the egg ngang of the mixing section n, and which may be adapted to the amount, for. B. to measure the volume or mass flow of the flowing through the mixing section-solid-liquid mixture or determine.
- an optional mass flow meter 8 which, as stated earlier, may be installed on the egg ngang of the mixing section n, and which may be adapted to the amount, for. B. to measure the volume or mass flow of the flowing through the mixing section-solid-liquid mixture or determine.
- Flokkulationsvoriques 2 shown is the (optional) mass flow meter 8 on the input side of the mixing section.
- An output side or Ninu ng the mixing section is designated by the reference numeral 0.
- the flocculation device 2 may comprise connection interfaces, for example connecting flanges, for connecting a delivery line for supplying or removing the solid-liquid mixture to or from the mixing section.
- the first and second mixing unit 5, 6 are fluidly downstream of the mass flow meter 8.
- the second mixing unit 7 is connected downstream of the first mixing unit 5, which is to mean that the liquid-liquid flowing through the mixing zone or pumped, solid-liquid mixture passes first the first mixing unit 5 and then the second mixing unit 7.
- the first mixing unit 5 can, as shown in FIG. 1, a first pump unit 9 is associated, the first pump unit 9 being adapted to introduce the first flocculation agent into the mixing path via a first supply, for example a first supply lance 13. into the volume defined by the mixing section, to pump or convey.
- a first supply for example a first supply lance 13.
- a line connection between the first pump unit 9 and the first feed lance 13 is shown in FIG. 1 shown in dashes.
- the second mixing unit 7 may be associated with a second pump unit 10, wherein the second pump unit 10 is adapted to introduce the second flocculation agent via a second supply, for example a second feed lance 15, into the mixing section, i. in the volume defined by the mixing section to pump or promote.
- a second supply for example a second feed lance 15
- FIG. 1 shown in dashes.
- the flocculation device 2 may, as shown in FIG. 2, may include an (optional) mounting frame 12 on which components of the flocculator 2 may be mounted, and with which the flocculator may be mounted in or on a mobile (transport) unit.
- the mass flow meter 8 can be connected via a flange connection with the pipeline 6 defining the mixing section.
- the mass flow meter 8 may be fluidly connected downstream of an (optional) dry substance measuring unit 12, which is designed and configured to measure or determine the content of dry matter in the solid-liquid mixture flowing through the mixing section or in the mixture entering the mixing section.
- the flocculation device 2 can be respectively suitable or required for coagulation of the solids in the solid-liquid mixture
- the flocculation device 2 can comprise a control unit (see 20 in FIG. 3) which is set up and can be coupled to the first and second mixing units 5, 7 in such a way that the respectively required amount of first and second flocculation agent of the mixing section is supplied.
- the control unit may be configured to adjust the delivery rate of the first and second pump units 9, 10 in accordance with the respectively required quantity of flocculation control units.
- the pipeline 6 are connected fluidly in series, ie, one after the other, a first feed lance 13 projecting into the volume of the mixing section defined by the pipeline 6, and a static mixer 14, which are included in the first mixing unit 5, and a into the volume of the mixing section protruding second feed lance 15, and a dynamic mixer 16, which are included in the second mixing unit 7.
- the feed lances 13, 15 protrude transversely to the direction of flow D of the solid-liquid mixture into the pipe 6 or the mixing volume, feed openings of the feed lances 13, 15 each at the end approximately centrally or centrally within the pipe 6
- Supply lances 13, 15 are arranged.
- the first and second flocculation agents can be supplied approximately at or in the region of the center axis of the flow forming in the mixing section, whereby a comparatively homogeneous admixture and concomitantly a comparatively good coagulation effect can be achieved.
- the static mixer 14 of the first mixing unit 5 may, for example, as shown in FIG. 2, one (optionally a plurality of) arranged in the flow volume of the pipe baffle plate (s) 17, which is the first feed lance 13, more precisely the outlet opening of the first feed lance 13, fluidly downstream (are).
- the baffle plate 17 By the baffle plate 17, the offset with the first Flokkulationsagens solid-liquid mixture can be mixed by the baffle plate 17, for example, locally changes the flow conditions.
- the baffle plate 17 can be set up so that it loosens the flow lo kai and generates, for example, turbulence, turbulence, etc.
- baffle plate 17 and a concomitant relatively thorough mixing has proven particularly advantageous when supplying a CaCC-based flocculant to sludges.
- the baffle plate 17 may, as shown in FIG. 2, be arranged perpendicular to the center axis of the mixing volume or the pipe 6, in particular such that their surface normal is aligned parallel to the flow direction D.
- the baffle plate 17 may be arranged approximately centrally with respect to the cross section of the mixing volume, or the pipe, wherein, for example with a circular cross-section of the pipe 6 and baffle plate 17, between the inner wall of the pipe 6 and the outer edge of the slab 17 an annular gap may be formed.
- the dynamic mixer 16 of the second mixing unit 5 may, for example, as shown in FIG. 2, comprise a (optionally a plurality of) motor-driven mixing rotor 18 projecting transversely to the flow direction into the volume of the mixing section, which is connected downstream of the second supply lance 15, more precisely the outlet opening of the second supply lance 15.
- the mixing rotor may comprise on a drive shaft driven by an electric drive motor, radially extending from the drive shaft mixing vanes, which allow mixing of the solid-liquid mixture, which is already offset with the first Flokkulationsagens, in particular the second Flokkulationsagens.
- the dynamic mixer 16, or the mixing rotor 18 is designed to mix the mixed with Flokkulationsagentien solid-liquid mixture, so that a coagulation of the solids content of the solid-liquid mixture is possible on Grundläge the two Flokkulationsagentien.
- the baffle plate 17 of the static mixer 14 may, as already indicated, for example, be designed in the manner of a circular disk, wherein at a diameter or nominal diameter de the mixing section or the pipe 6 of about 250 mm, the outer diameter of the baffle plate 17 about 100 mm can amount.
- Rotor blades of the mixing rotor 18 may be formed, for example, such that the outer diameter of the rotor 18 is also about 100 mm.
- FIG. 2 may be some concrete dimensions of the Flokkulations- device 2 and mutual distances of some components mentioned.
- a distance di9-e between the pipe inlet 19 and mass flow meter 8 measured in the flow direction D can be in the region of 225 mm, and the distance d 8 u, ie center distance, between the mass flow meter 8 and the downstream measuring point of the dry substance unit 12 can be approximately 393 mm.
- the first feed lance 13, more precisely its outlet opening, can be arranged downstream from the measuring point of the dry substance measuring unit 12, for example with a distance d i3 of 263 mm.
- the baffle plate 17 may be disposed from the first feed lance 13 at a distance dn-r / of about 186 mm, the second feed lance 15, more precisely its outlet opening, arranged by the baffle plate 17 at a distance d -is of about 245 mm can be.
- a distance dis-is between the second feed lance 15, more precisely its outlet opening, and the mixing rotor 18, more precisely the center axis of the mixing rotor 18, can be about 186 mm.
- the stated dimensions and dimensions of the components of the flocculation device 2 have proven to be particularly advantageous with regard to coagulation of solids in sludges, in particular industrial sludges, for example waste sludges from copper mines.
- FIG. 3 shows a construction diagram of the flocculation device 2, the operation of the device is explained in particular further.
- the flocculation device 2 comprises a control unit 20, which is connected in terms of control technology to a first metering pump unit 21 for the first flocculation agent, a second metering pump unit 2 for the second flocculation agent, and the dynamic mixer 16. Furthermore, the control unit 20 is connected with the mass flowmeter 8 and the dry substance measuring unit 12 in terms of control, so that the control unit 20 has at least measurements concerning the amount and dry matter content of the solid / liquid mixture delivered into the pipeline via a feed pump.
- the control unit 20 may, as shown in FIG. 3, in addition to be connected with a (optional) system 23 for the production of an acrylamide-free polymer solution control technology. If such a system 23 is present, it can also have its own control unit, and does not necessarily have to be coupled to the control unit 20 of the flocculation device 2 in terms of control technology.
- the plant 23 for producing the polymer solution may comprise a feed unit 24 for charging a mixing or batch tank 25 with polymer material, in particular powdered polymer material, and a liquid feed 26 for supplying a carrier liquid, for example water, for the polymer material.
- the mixing or batch tank 25 may comprise one or more mixing chambers each having associated motor-driven mixers 27.
- the plant 23 for producing the polymer solution can first be operated in such a way that sufficient polymer solution of an acrylamide-free polymer is available as second flocculation agent.
- the pipe 6 comprising the mixing section, via a conveyor pump 28, the fluidtech- with the pipe inlet 19 of the pipe 6 nically, the solid-liquid mixture conveyed to and through the mixing section.
- the Fiokkulationsvorraum 2 may be configured to supply via the first Dosierpumpenech 21 based on Ca CO first Fiokkulationsagens via the first feed lance 13 of the mixing section, in which it mixes by the baffle plate 17 of the static mixer with the solid liquid mixture becomes.
- an acrylamide-free polymer solution as a second fuming agent is transferred to the solid-liquid mixture already mixed with the first fluidizing agent the second feed lance 15 is supplied.
- the second Fiokkulationsagens is mixed with the solid-liquid mixture by means of the dynamic mixer 16. After passage of the dynamic mixer, the solid-liquid mixture with admixed flocculation agents arrives at the exit opening 0 of the mixing section, or the pipeline, and can be supplied for depositing coagulated solid fractions, for example, to a filter unit (not shown) downstream of the fluid.
- FIG. 4 shows a sectional view of the device 2 in the region of the mixing section M defined by the pipeline 6 and a corresponding mixing volume.
- the pipeline is mounted and supported on supporting feet which can be screwed to a substrate.
- the pipeline 6 may, as shown in FIG. 4, in the flow direction fluidly connected in series two, for example, located on the same side of the pipe 6, couplings 37, comprising, for example, each a flange, for, in particular fluid-tight, connecting the first 5 and second mixing unit 6.
- the connection couplings 37 during operation the device 1 are used for example in a laterally arranged arrangement.
- With respect to the direction of flow D upstream of the connection clutches 37 may be located, as shown in FIG. 4, in the walls of the pipe insertion openings 38.1 and 38.2, or insertion, for the first 13 and second feed lance 15 may be provided.
- the insertion openings 38 can lie, for example, on a straight line running in the longitudinal direction of the pipeline 6, that is, the insertion openings 38 can be arranged in alignment one behind the other in the direction of passage.
- the pipeline can be arranged such that the insertion openings 38 are arranged below the level of the passage openings 39 present in the region of the connection couplings 37, in particular on the same side as the connection couplings 37 in the pipeline 6.
- FIG. 5 shows a sectional view of an alternative mixing section M or of an alternative pipeline geometry of the pipeline 6.
- the pipeline 6 of the exemplary embodiment of FIG. 5 is tapered towards both ends of the mixing section M, or at both ends of the pipeline 6.
- the pipeline 6 is widened in the radial direction with respect to the longitudinal axis, wherein the widening in the longitudinal direction of the pipeline 6, or viewed parallel to the direction of flow D, is selected such that at least the through-openings 39 and the insertion openings 38 are included.
- the mixing section M can be adapted with respect to geometry, arrangement and position of the first mixing unit 5 and the second mixing unit 7 to the particular solid-liquid mixture to be treated.
- the second mixing unit 7 may comprise a rotor unit 30 connected to the pipeline 6 via a flange connection 29 with a drive shaft 31 and with a mixing rotor unit 32 attached to the distal end of the drive shaft 31.
- the rotor body of the mixing rotor unit 32 is formed like a cylinder in the present example, and has on opposite longitudinal sides depending on a Misch selfishi 33, which is shown for example in FIG. 9 can be seen.
- the second flocculation agent F2 may, as shown for example in FIG. 1 and FIG. 9 can be seen, for example Fiuidtech- nisch upstream of one of the mixing rotor unit 32, d. H. upstream, nozzle or lance 15 and the like are supplied.
- FIG. 6 An example of a corresponding nozzle or lance arrangement is shown in FIG. 6 shown.
- FIG. Fig. 6 shows a cross-section of the pipeline 6 in the region e.g. the first or second feed lance 13 or 15.
- the feed lance 13 or 15 has a lance outlet opening 35, which is inclined relative to the flow or flow direction or flow direction D, via which the respective flocculation agent F, be it the first flocculation agent or the second flocculation agent F 2, can be supplied.
- the lance outlet opening 35 is in the present example set up and aligned so that measured between the flow direction D and the opening plane E of the lance outlet opening 35 in the counterclockwise direction an angle ⁇ of about 45 degrees.
- the angle can also be chosen differently.
- the lance outlet opening 35 can be adjusted differently to the flow and / or the opening plane E of the lance outlet opening 35 can be relative to the flow direction D or. be oriented differently to the pipe 6.
- FIG. FIG. 7 shows a further detail of the inventive flocculation device 2 in the area of the static mixer 14.
- the static mixer 14 of FIG. 7 in the form of a baffle unit, comprising a baffle plate 17 secured in the pipeline 6.
- the baffle plate 17 is in the example of FIG. 7 round, ie the baffle plate 17 has a round baffle P on.
- the geometry of the baffle P and the baffle plate 17 are chosen in the present example so that between the inner wall of the pipe 6 and the outer edge of the baffle P or baffle plate 17, an annular gap 36 with a viewed in the radial direction with respect to the pipe 6 results in approximately constant gap width.
- the orientation, position and / or geometry and / or shape of the baffle plate can also be designed differently, for example, depending on the properties of each solid-liquid mixture to be treated, in particular sludge.
- the diameter of the baffle plate 17 may be, for example, 10 cm, so that between the inner wall of the pipe 6 and the outer edge of the baffle plate 17, a ring gap with a width of about 75 mm is formed.
- such geometries are suitable for mixing flocculation agents with sludges, with particular reference to the above-mentioned examples with regard to the sludge.
- the baffle plate 17 arranged in the volume of the pipeline 6, or the baffle unit causes the flow velocity in the region of the baffle or baffle plate 17 in the pipeline 6 to increase, so that it is in the region of the baffle plate 17, in particular downstream of the baffle plate 17 suitable flow velocity for the formation of flow turbulence and associated turbulence may occur, which cause mixing of the first Flokkulationsagens with the solid-liquid mixture, cause or promote.
- FIG. 8 shows a concrete example of the static mixer 14.
- the static mixer 14 may have a connection with the corresponding coupling 37, in particular the corresponding connecting flange connectable flange 40 in which holes for screw fastening the flange ⁇ plate 40 may be present, for example randseitlich circumferentially on the connection coupling 37.1.
- On the flange plate 40 for example, in a central or adjacent to the middle region, a protruding from the flange plate 40 and secured to the flange plate 40 mounting arm 41 may be present.
- the fastening arm 41 can be connected to one or the baffle plate 17, or the baffle plate 17 can be attached there.
- the length of the attachment arm 41 is selected such that in the mounted state of the flange plate 40 on the connection coupling 37.1, the baffle plate is positioned approximately centrally in the pipeline 6.
- the holes provided in the flange plate 40 may be arranged such that an attachment is possible, in which the baffle plate 17, ie the baffle P, is arranged substantially perpendicular to the flow direction D, or a corresponding inclination angle between the baffle P and flow direction D exists.
- FIG. 9 shows a sectional illustration of the pipeline 6 with mixing units 5, 7 mounted, wherein the first mixing unit 5, comprising the static mixer 14, is mounted on the respective connection coupling 37.1, so that the impact plate 17 is aligned perpendicular to the flow direction D in the mixing zone M and fluidly downstream of the first feed lance 13 is arranged.
- FIG. 10 shows a further sectional illustration of the pipeline 6 with mixing units 5, 7 mounted, viewed in the direction of the flow direction D.
- the second mixing unit 7, comprising a dynamic mixer 16 with rotor unit 30 with drive motor, is mounted on the other connection coupling 37.2 via a flange connection.
- the rotor unit 30 is arranged fluidically downstream of the second feed lance 15, which means that the respective second Fiokkulationsagerts is fed via the second feed lance 15 of the mixing rotor unit 32.
- the feed lances 13, 15 may for example be inserted into the pipeline 6 so far that during operation of the device 1 the respective flocculation Agents with respect to the tube cross section or the cross section of the mixing section can be introduced approximately centrally into the flowing through the mixing section M solid-liquid mixture.
- the burr plate 17 By means of the burr plate 17, a mixing of the solid-liquid mixture with the first flocculation agent can be achieved in the volume connected downstream of the fluid by formation of flow vortices.
- the introduction of the second flocculation agent can also at least be favored, wherein an active mixing of the solid-liquid mixture with the two added flocculation onsagentien Especially mitteis the downstream active mixer 7 takes place ,
- the described operation of the flocculation device with two-step admixture of a first and second flocculation agent, and the use of different types of mixer for the first, eg on CaC0 3 -based, flocculation agent, and for the second, eg based on an acrylamide-free polymer, flocculation agent, is particularly suitable for the conditioning of sludges, for example overburden sludges from copper mines.
- sludges for example overburden sludges from copper mines.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General 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)
- Dispersion Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112018015363-0A BR112018015363A2 (pt) | 2016-01-27 | 2017-01-13 | aparelho e processo para floculação de frações sólidas de uma mistura líquida sólida |
CA3010899A CA3010899A1 (en) | 2016-01-27 | 2017-01-13 | Apparatus and process for flocculation of solids fractions of a solid-liquid mixture |
AU2017211155A AU2017211155B2 (en) | 2016-01-27 | 2017-01-13 | Apparatus and process for flocculation of solids fractions of a solid-liquid mixture |
US16/071,446 US20190030500A1 (en) | 2016-01-27 | 2017-01-13 | Apparatus And Process For Flocculation Of Solids Fractions Of A Solid-Liquid Mixture |
EP17703034.3A EP3408229A1 (de) | 2016-01-27 | 2017-01-13 | Vorrichtung und verfahren zur flokkulation von feststoffanteilen eines fest-fluessig-gemisches |
EA201891685A EA201891685A1 (ru) | 2016-01-27 | 2017-01-13 | Устройство и способ флокуляции долей твердых частиц смеси твердого вещества и жидкости |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102016101417.6 | 2016-01-27 | ||
DE102016101417.6A DE102016101417A1 (de) | 2016-01-27 | 2016-01-27 | Vorrichtung und Verfahren zur Flokkulation von Feststoffanteilen eines Fest-flüssig-Gemisches |
Publications (1)
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WO2017129419A1 true WO2017129419A1 (de) | 2017-08-03 |
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ID=57963161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2017/050647 WO2017129419A1 (de) | 2016-01-27 | 2017-01-13 | Vorrichtung und verfahren zur flokkulation von feststoffanteilen eines fest-fluessig-gemisches |
Country Status (9)
Country | Link |
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US (1) | US20190030500A1 (de) |
EP (1) | EP3408229A1 (de) |
AR (1) | AR107424A1 (de) |
AU (1) | AU2017211155B2 (de) |
BR (1) | BR112018015363A2 (de) |
CA (1) | CA3010899A1 (de) |
DE (1) | DE102016101417A1 (de) |
EA (1) | EA201891685A1 (de) |
WO (1) | WO2017129419A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3647277A1 (de) | 2018-10-31 | 2020-05-06 | Clariant International Ltd | Verfahren zur entwässerung von wässrigem schlammwasser |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3476453A1 (de) | 2017-10-27 | 2019-05-01 | Clariant International Ltd | Acrylamidfreies polymer für entwässerungsanwendungen |
CN110746084A (zh) * | 2019-09-11 | 2020-02-04 | 杭州国泰环保科技股份有限公司 | 一种智能回馈型污泥浓缩系统及其处理方法 |
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JP2002102864A (ja) * | 2000-09-29 | 2002-04-09 | Japan Organo Co Ltd | 排水処理装置 |
EP1561501A1 (de) * | 2002-11-13 | 2005-08-10 | Kurita Water Industries Ltd. | Aggregationsreaktionssystem |
US20080296232A1 (en) * | 2007-05-31 | 2008-12-04 | Paul Wegner | Wastewater clarifier and process |
WO2009065509A1 (de) | 2007-11-20 | 2009-05-28 | J.F. Knauer Industrie-Elektronik Gmbh | Verfahren und vorrichtung zum behandeln von schlamm |
US20120255912A1 (en) * | 2011-04-11 | 2012-10-11 | Veolia Water Solutions & Technologies Support | Process for Treating Water to be Treated by Clarification Comprising an Adsorption of a Portion of Clarified Water and a Clarification of a Mixture of Adsorbed Clarified Water and Water to be Treated |
WO2014064073A1 (de) | 2012-10-26 | 2014-05-01 | Clariant International Ltd. | Verfahren und zusammensetzung zur wasserreinigung und schlammentwässerung |
WO2015053066A1 (ja) * | 2013-10-09 | 2015-04-16 | 株式会社日立製作所 | 水処理システム |
-
2016
- 2016-01-27 DE DE102016101417.6A patent/DE102016101417A1/de active Pending
-
2017
- 2017-01-13 AU AU2017211155A patent/AU2017211155B2/en not_active Ceased
- 2017-01-13 WO PCT/EP2017/050647 patent/WO2017129419A1/de active Application Filing
- 2017-01-13 EA EA201891685A patent/EA201891685A1/ru unknown
- 2017-01-13 EP EP17703034.3A patent/EP3408229A1/de not_active Withdrawn
- 2017-01-13 US US16/071,446 patent/US20190030500A1/en not_active Abandoned
- 2017-01-13 BR BR112018015363-0A patent/BR112018015363A2/pt not_active IP Right Cessation
- 2017-01-13 CA CA3010899A patent/CA3010899A1/en not_active Abandoned
- 2017-01-25 AR ARP170100184A patent/AR107424A1/es unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002102864A (ja) * | 2000-09-29 | 2002-04-09 | Japan Organo Co Ltd | 排水処理装置 |
EP1561501A1 (de) * | 2002-11-13 | 2005-08-10 | Kurita Water Industries Ltd. | Aggregationsreaktionssystem |
US20080296232A1 (en) * | 2007-05-31 | 2008-12-04 | Paul Wegner | Wastewater clarifier and process |
WO2009065509A1 (de) | 2007-11-20 | 2009-05-28 | J.F. Knauer Industrie-Elektronik Gmbh | Verfahren und vorrichtung zum behandeln von schlamm |
US20120255912A1 (en) * | 2011-04-11 | 2012-10-11 | Veolia Water Solutions & Technologies Support | Process for Treating Water to be Treated by Clarification Comprising an Adsorption of a Portion of Clarified Water and a Clarification of a Mixture of Adsorbed Clarified Water and Water to be Treated |
WO2014064073A1 (de) | 2012-10-26 | 2014-05-01 | Clariant International Ltd. | Verfahren und zusammensetzung zur wasserreinigung und schlammentwässerung |
WO2015053066A1 (ja) * | 2013-10-09 | 2015-04-16 | 株式会社日立製作所 | 水処理システム |
Cited By (2)
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EP3647277A1 (de) | 2018-10-31 | 2020-05-06 | Clariant International Ltd | Verfahren zur entwässerung von wässrigem schlammwasser |
WO2020088977A1 (en) | 2018-10-31 | 2020-05-07 | Clariant International Ltd | Process for dewatering aqueous sludge water |
Also Published As
Publication number | Publication date |
---|---|
AR107424A1 (es) | 2018-04-25 |
AU2017211155A1 (en) | 2018-07-19 |
US20190030500A1 (en) | 2019-01-31 |
EP3408229A1 (de) | 2018-12-05 |
AU2017211155B2 (en) | 2020-04-30 |
DE102016101417A1 (de) | 2017-07-27 |
BR112018015363A2 (pt) | 2018-12-18 |
CA3010899A1 (en) | 2017-08-03 |
EA201891685A1 (ru) | 2019-01-31 |
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