WO2017152296A1 - Équipement et procédé pour dégraisser et purifier les eaux provenant d'applications industrielles ou domestiques - Google Patents

Équipement et procédé pour dégraisser et purifier les eaux provenant d'applications industrielles ou domestiques Download PDF

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Publication number
WO2017152296A1
WO2017152296A1 PCT/CL2017/050011 CL2017050011W WO2017152296A1 WO 2017152296 A1 WO2017152296 A1 WO 2017152296A1 CL 2017050011 W CL2017050011 W CL 2017050011W WO 2017152296 A1 WO2017152296 A1 WO 2017152296A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
degreasing
equipment according
equipment
box
Prior art date
Application number
PCT/CL2017/050011
Other languages
English (en)
Spanish (es)
Inventor
Ivan Dib Echeverria
Original Assignee
Ingenieria En Sanitizacion S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ingenieria En Sanitizacion S.A. filed Critical Ingenieria En Sanitizacion S.A.
Publication of WO2017152296A1 publication Critical patent/WO2017152296A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • B01D29/27—Filter bags
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • E03F5/16—Devices for separating oil, water or grease from sewage in drains leading to the main sewer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes

Definitions

  • the present invention consists of a device and a method for degreasing and purifying water from industrial or household applications such as dishwashers, allowing fats, oils, solids and chemicals to be separated from the water efficiently, reducing and / or facilitating the cleaning process. and equipment maintenance.
  • Degreasers are known from the state of the art such as that disclosed by US 7297284, which teaches a degreasing device that has a first double bottom chamber in which a basket for solid-liquid separation is arranged.
  • This device uses the natural process of the fat and water solution, where the fat is disposed at the top due to the difference in density, as the water level rises slowly in the device.
  • This grease in the upper level is transported by a valve to an extraction chamber in which there is external connection, by means of keys, to remove the grease to a container.
  • the device incorporates at least one heating element to keep the fat warm during its discharge, facilitating its circulation.
  • CN 103159362 provides a three-phase degreasing device that has a first chamber with a bag for solid-liquid separation.
  • a single degreasing chamber is implemented that contemplates an aerator to facilitate that the grease is arranged in the upper part of the chamber, at the height of a fat discharge that is controlled by a grease level sensor.
  • an oleophobic filter is contemplated for the fat-water separation on the water extraction side.
  • Another solution proposed by document AU2003100868 consists of degreaser of multiple chambers or cells that allow the use of the overflow effect and the lower transport of water in combination, allowing the grease to be maintained on the top of the device.
  • an aerator is included as a precursor to the rise of fat and a final filter comprised of coconut fiber and coal. It also contemplates the removal of fat by means of a special floating device, which captures the fat and directs it towards its discharge.
  • the present invention consists of equipment and a method for degreasing and purifying water from industrial or home applications such as dishwashers, wherein said equipment consists of a box that has a lid on its top, a water inlet and an outlet for Water. Inside this box are connected in series: a solids removal chamber, a degreasing system, a settling system and an activated carbon filter.
  • the solids removal chamber consists of a double bottom chamber connected to the water inlet, which comprises a top bottom with perforations, a bottom bottom and a projection at its top with a surrounding flange, to which a disposable particle filter is connected.
  • the degreasing system consists of at least two lower interconnected degreasing cells that each form a closed compartment. Said degreasing cells are hermetically sealed by an articulated lid which has electrical resistors incorporated in its lower face. In addition, they include valves located on the outer face.
  • the settling system consists of at least two settling cells consisting of parallel plates located in the transverse direction of the equipment, configured with a space between them and arranged in the entire width of the box.
  • the serial configuration of the equipment and each of its components allows for minimal maintenance and easy cleaning, thanks to the fact that it includes the use of disposable elements and specially designed components in a format of parallel cells and plates. This configuration allows easy access to all the elements of the equipment, which is favored by the top articulated lid which can have independent sections.
  • the method for degreasing and purifying water comprises the steps of coupling a water inlet and a water outlet of the equipment to a residual water source and a water outlet, circulating the water through a solids removal chamber, then through a degreasing system, then through a sedimentation system and finally through an activated carbon filter.
  • the serial circulation of water by means of the different components of the equipment allows an efficient removal of oils and fats from the water as well as an efficient purification, minimizing the accumulation of sediments in the equipment itself and facilitating the cleaning and removal of same.
  • the present invention is not necessarily limited to its use in applications such as the degreasing of water from dishwashers, but can be used for other purposes such as decontamination of seawater from oils or petroleum. It can also be used with uncontaminated liquids such as milk or oily residues from olive presses, raps or marigolds to obtain industrial or artisanal products such as butter, cheese or oils.
  • the degreasing equipment can be constructed as a disassembled and portable structure with materials such as aluminum tubes and waterproof fabric.
  • FIG. 1 illustrates a perspective view of the degreasing and water purifying equipment.
  • FIG. 2 illustrates a top view of the degreasing and water purifying equipment.
  • FIG. 3 illustrates a cross-sectional view of the degreasing and water purifying equipment.
  • FIG. 4 illustrates a longitudinal sectional view of the degreasing and water purifying equipment.
  • a degreasing and water purifying equipment which consists of a metal box 10 preferably constructed in stainless steel having a lid 11 in its upper part and wheels 12 in its part lower.
  • the equipment also comprises a water inlet 13 consisting of a pipe that is connected by the upper part of the left side face and a water outlet 14 that is connected by the lower part of the right side face (Fig. 4). Both said water inlet 13 and water outlet 14 allow connection via quick couplings with the water emission source and the water outlet network.
  • a double bottom chamber 20 having a perforated upper bottom 21 is configured in the connection with the water inlet 13 with perforations 22.
  • said chamber comprises in its upper part a shoulder 23 with a surrounding flange 24, which is configured to receive a particulate filter (not shown), where preferably said particle filter consists of a bag of filter cloth constructed of non-woven fabric of non-woven fiber of the polyamide or similar type, whose upper end has an elastic which is positioned on tab 24.
  • the particle filter it is arranged inside the double bottom chamber 20, supported by the tab 24 and supported on the top bottom 21.
  • the bottom bottom 25 of the double bottom chamber 20 is located under the upper bottom 21, which preferably coincides with the lower face of the case 10 of the degreasing equipment and comprises a first drain 26 with a firing valve to evacuate the grease and the oil accumulated in the double bottom chamber and / or coming from the later stages.
  • the space formed between the two bottoms is connected with at least two degreasing cells 30 interconnected inferiorly, where each one consists of a compartment preferably of rectangular section arranged in the transverse direction of the box 10.
  • a fluid channel 26 is configured under the double bottom chamber 20 and under each transverse wall of the degreasing cells 30 which according to an alternative embodiment of the invention can comprise a flow reducer (not illustrated) located at the bottom of each degreasing cell 30, especially at the entrance and / or exit thereof.
  • the degreasing cells 30 are hermetically sealed by an articulated lid 31 which on its lower face has built-in electrical resistors that enter each cell with the closure of the lid.
  • each cell has a valve 33 located on the outer face and approximately halfway up, which preferably consists of a ball wrench.
  • a waste tank 15 is arranged in connection or not with the box 10, constructed for example of carbon steel, glass or any other material.
  • a settling system 40 is configured, which consists of at least two parallel plates located in the transverse direction of the equipment, with a space between them and arranged throughout the width of the box 10. Said plates are attached to the bottom of the box 10 and have a lower height than this. Preferably, all plates have the same height.
  • a second drain is provided at the bottom of the degreasing system with a drain valve for the evacuation of accumulated fats and oils in the degreasing system.
  • an activated carbon filter 50 is arranged between the last settling cell and the water outlet 14.
  • the degreasing and water purifying equipment may further comprise a combined system of ultraviolet (UV) and sodium hypochlorite.
  • the method of degreasing and purification of water using the equipment described above consists of coupling the water inlet 13 and the water outlet 14 of said equipment to a source of residual water and a water outlet, such as the outlet of a dishwasher and sewer system, respectively, using for example quick couplings.
  • the dirty water with emulsion grease falls into the double bottom chamber 20, specifically inside the particle filter connected to said chamber.
  • all the solid remains as food will be retained inside the filter, while the contaminated water will pass through its fibers following its course and falling by gravity through the perforations 22 of the upper bottom 21 of the double chamber bottom 20.
  • the water flows through the fluid channel 26 towards the first degreasing cell 30, where due to the increase in height and therefore of the area of said cell relative to the fluid channel 26, the water decreases its speed and therefore ascends through the cell.
  • oil and grease have a lower density than water is deposited in the upper part of the cell, while water flows inferiorly to the second cell 30, the remaining fat and oil accumulating in it of the first cell.
  • the electric heaters 32 heat the grease and oil, which will be emptied into at least one waste pond 15 by opening the valves 33. Subsequently and according to a preferred embodiment, the grease and the collected oil will be accumulated to be transferred to a large pond where at rest they can be digested with bacteria or transformed into fuel.
  • the water flows to the settling cell system 40, going up the first cell. Since the concentration of sediments still in suspension is less and less as the height of the cell rises, then when the cascading water falls to the adjoining cell, the sediment fraction is suspended is less and less, and each cascading step leaves the water more crystalline since virtually all sediments remain at the bottom of the cell. In two or three steps the water is crystalline and free of almost all the suspended material.
  • the last step, before leaving the box 10 is to pass all the crystalline water, but even with chemicals in a state of dissolution, through an activated carbon filter 50, which using its enormous amount of microscopic contact surface, goes trapping by adhesion (adsorption) all free radicals and chemicals in solution.
  • sulfonic acids are trapped, what is left of glycerin, sodium hypochlorite, sodium bicarbonate, sodium benzoate, trisodium phosphate, trictacnolamine, phenylsulfates, ethanes, propylene glycol, and a very large amount of additives and chemicals used in dishwashers and dishwashers. All these chemicals have basicity, and different acidities to water, and therefore change their PH. When caught with activated carbon, water regains its neutrality and therefore no longer alters plant life.
  • the process may also include the combined use of UV rays and sodium hypochlorite.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Treatment By Sorption (AREA)
  • Physical Water Treatments (AREA)

Abstract

L'invention concerne un équipement et un procédé pour dégraisser et purifier des eaux provenant d'applications industrielles ou domestiques telles que des lave-vaisselle, qui permet de séparer de l'eau les graisses, huiles, solides et agents chimiques de manière efficace, diminuant et/ou facilitant le processus de nettoyage et de maintenance de l'équipement, lequel est constitué : d'une caisse (10) qui possède un couvercle (11) au niveau de sa partie supérieure, une entrée d'eau (13) et une sortie d'eau (14), à l'intérieur de ladite caisse (10) étant disposés de manière reliée en série : une chambre d'élimination de solides, un système de dégraissage, un système de sédimentation et un filtre à charbon actif. Le procédé consiste à faire circuler l'eau depuis l'entrée d'eau (13), à travers tous les composants de l'équipement et jusqu'à la sortie d'eau (14).
PCT/CL2017/050011 2016-03-09 2017-03-09 Équipement et procédé pour dégraisser et purifier les eaux provenant d'applications industrielles ou domestiques WO2017152296A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CL00548-2016 2016-03-09
CL2016000548A CL2016000548A1 (es) 2016-03-09 2016-03-09 Equipo desgrasador y purificador de aguas industriales o domiciliarias; metodo

Publications (1)

Publication Number Publication Date
WO2017152296A1 true WO2017152296A1 (fr) 2017-09-14

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PCT/CL2017/050011 WO2017152296A1 (fr) 2016-03-09 2017-03-09 Équipement et procédé pour dégraisser et purifier les eaux provenant d'applications industrielles ou domestiques

Country Status (2)

Country Link
CL (1) CL2016000548A1 (fr)
WO (1) WO2017152296A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108355383A (zh) * 2018-03-06 2018-08-03 湖南文理学院 一种提高水利用率的海绵城市雨洪管理用雨污过滤装置
CN113529857A (zh) * 2021-08-19 2021-10-22 江苏浴普环境科技有限公司 一种城市雨水收集用雨水收集循环利用系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113617A (en) * 1977-04-21 1978-09-12 Fred Phillip Bereskin Grease separator
US5120435A (en) * 1991-01-30 1992-06-09 Fink Ronald G Pre-treatment sewer discharge system
DE4140992A1 (de) * 1991-12-12 1993-06-17 Bernhard Kessel Abscheidevorrichtung
US6413435B1 (en) * 2000-09-22 2002-07-02 Thermaco, Inc. Separator unit capable of less-dense solids and/or buoyant solids removal
AU2003100868A4 (en) * 2003-10-19 2004-03-04 Rajapakse, Jayasiri Pemathilaka Dr Coconut fibre-Charcoal (CoCo-Coal) FILTER-SEPARATOR
US6849176B1 (en) * 2003-09-04 2005-02-01 Thermaco, Inc. Grease separator for kitchen sinks and other applications

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113617A (en) * 1977-04-21 1978-09-12 Fred Phillip Bereskin Grease separator
US5120435A (en) * 1991-01-30 1992-06-09 Fink Ronald G Pre-treatment sewer discharge system
DE4140992A1 (de) * 1991-12-12 1993-06-17 Bernhard Kessel Abscheidevorrichtung
US6413435B1 (en) * 2000-09-22 2002-07-02 Thermaco, Inc. Separator unit capable of less-dense solids and/or buoyant solids removal
US6849176B1 (en) * 2003-09-04 2005-02-01 Thermaco, Inc. Grease separator for kitchen sinks and other applications
AU2003100868A4 (en) * 2003-10-19 2004-03-04 Rajapakse, Jayasiri Pemathilaka Dr Coconut fibre-Charcoal (CoCo-Coal) FILTER-SEPARATOR

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108355383A (zh) * 2018-03-06 2018-08-03 湖南文理学院 一种提高水利用率的海绵城市雨洪管理用雨污过滤装置
CN113529857A (zh) * 2021-08-19 2021-10-22 江苏浴普环境科技有限公司 一种城市雨水收集用雨水收集循环利用系统
CN113529857B (zh) * 2021-08-19 2022-09-30 江苏浴普环境科技有限公司 一种城市雨水收集用雨水收集循环利用系统

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