WO2016011488A1 - Procédé de clarification de liquide - Google Patents

Procédé de clarification de liquide Download PDF

Info

Publication number
WO2016011488A1
WO2016011488A1 PCT/AU2015/000433 AU2015000433W WO2016011488A1 WO 2016011488 A1 WO2016011488 A1 WO 2016011488A1 AU 2015000433 W AU2015000433 W AU 2015000433W WO 2016011488 A1 WO2016011488 A1 WO 2016011488A1
Authority
WO
WIPO (PCT)
Prior art keywords
stream
streams
particles
liquid
separator
Prior art date
Application number
PCT/AU2015/000433
Other languages
English (en)
Inventor
Chris Chan
Kevin DAWE
Original Assignee
Gea Westfalia Separator Australia Pty Ltd
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
Priority claimed from AU2014902852A external-priority patent/AU2014902852A0/en
Application filed by Gea Westfalia Separator Australia Pty Ltd filed Critical Gea Westfalia Separator Australia Pty Ltd
Publication of WO2016011488A1 publication Critical patent/WO2016011488A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/70—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
    • A23L2/82—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter by flocculation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12G—WINE; PREPARATION THEREOF; ALCOHOLIC BEVERAGES; PREPARATION OF ALCOHOLIC BEVERAGES NOT PROVIDED FOR IN SUBCLASSES C12C OR C12H
    • C12G1/00—Preparation of wine or sparkling wine
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/04—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
    • C12H1/0416—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of organic added material
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/06—Precipitation by physical means, e.g. by irradiation, vibrations
    • C12H1/061—Separation by centrifugation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/06—Precipitation by physical means, e.g. by irradiation, vibrations
    • C12H1/063—Separation by filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
    • B01D21/262—Separation of sediment aided by centrifugal force or centripetal force by using a centrifuge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/06—Separation devices for industrial food processing or agriculture

Definitions

  • the present invention relates to methods and systems for clarifying a liquid containing particles in the food and beverage industry.
  • the present invention has
  • the food and beverage industry has specific requirements for dealing with sediments in liquids because, ultimately, product quality is affected by the sediments.
  • the sediments can take the form of turbid matter or suspended matter comprising particles , which may settle as a deposit in the vessel containing the liquid.
  • the wine is traditionally separated from the sediment by racking, which requires gravitational separation of the sediment prior to siphoning the wine into a clean barrel or vessel.
  • the sediment is often removed by filtration with infusorial earth (i.e. diatomaceous earth) without having to wait for gravitational separation of the sediment from the wine .
  • infusorial earth i.e. diatomaceous earth
  • the sediment can be processed by clarification into a solid material or sludge suitable for landfills and so-called yeast wine.
  • a method of clarifying a liquid containing particles comprising;
  • step a) Separation in step a) into streams having different particle distributions could occur on a mass, size, shape and/or density basis. It is to be appreciated by a skilled person that the separation in step a) is unlikely to be 100% efficient.
  • the separated streams with different particle distributions may have overlapping mass, size and/or density distributions but different mass, size and/or density averages.
  • the streams are separated in step a) on a particle mass basis to produce a heavy particle stream and a light particle stream.
  • the heavy particle stream has a particle mass distribution with a higher average mass than the light particle stream.
  • the streams are separated in step a) on a particle size basis to produce a large particle stream and a small particle stream.
  • the large particle stream has a particle size distribution with a larger average size than the small particle stream.
  • separation in step a) will produce a first stream that has a particle distribution which has both a higher average mass and average size than a second stream.
  • the stream in step b) to which the one or more fining agents are added is the stream having the lowest average particle mass and/or size.
  • the new method involves a series of steps that provide several advantages .
  • the method may provide more efficient clarification of liquids containing particles than previous methods.
  • the applicant has also found that the new method may allow the use of a reduced amount of fining agent than previous methods .
  • the separation of the particles from the streams in step d) may be achieved by centrifugation, such as decanter centrifugation.
  • the centrifugation is carried out using a solid-wall scroll decanter centrifuge.
  • Recombining of the streams in step c) of the method may occur in the second separator, such as the solid-wall scroll decanter centrifuge.
  • a system for clarifying a liquid containing particles comprising:
  • a dosing apparatus configured to add one or more fining agents into one of the streams
  • a second separator operable to separate particles from the stream to which the one or more fining agents have been added to produce a clarified liquid.
  • a method of clarifying a liquid containing particles comprising;
  • This third aspect of the invention is especially advantageous when one or more of the streams produced in step a) comprises a low value liquid or is of a low volume such that it is not necessary to recover the liquid portion of that stream.
  • This aspect of the invention is also advantageous when temporary storage of one of the separated streams from step a) is required for later production, usage or concentration.
  • An aspect of the present invention also provides a clarified liquid produced by the methods defined above.
  • the clarified liquid is a wine or a juice .
  • Figure 1 is a schematic view of a system for
  • Figure 2 is a schematic view of a system for
  • the present invention relates to methods and systems for clarifying a liquid containing particles, in
  • the present inventors have surprisingly found that clarification of a liquid using a fining agent can be made more efficient by the present invention.
  • the efficiency of clarification provided by the present invention also provides an option for the reduction in the amount of fining agent used in the clarification.
  • the present invention provides methods and systems for clarifying a liquid containing particles. It will be understood that clarifying refers to the process of making a substance, in particular a liquid, more clear or pure by the removal of particulate or turbid material from the substance .
  • the liquid comprising particles may be a liquid produced in the production of a beverage, such as a must or liquid produced in the production of wine .
  • the liquid comprising particles may be a liquid produced in the production of wine or juice.
  • the invention is described in more detail with reference to the separation of particles from a liquid in wine production such as a wine or juice.
  • a liquid in wine production such as a wine or juice.
  • the method and the system extend more broadly than this and such references should not be considered to restrict the invention to liquids produced in the production of wine or juice .
  • Particles of matter can have several different properties which can vary for different types of matter or different samples of matter. Particles may be of varying size, mass, density and shape.
  • the particles when the liquid comprising particles is a liquid produced in the production of wine or juice, the particles may be wine lees or sludge (yeast sediment) .
  • the particles may comprise yeast.
  • the particles may predominantly consist of yeast.
  • the particles, such as yeast particles, may be obtained during the first racking.
  • the yeast can be living or dead yeast cells.
  • the particles may alternatively or additionally comprise microorganisms , tartar, calcium tartrate, protein, colorants and fractions of the sludge contained in the must (berry skins, etc.).
  • the particles may consist predominantly of microorganisms, tartar, calcium tartrate, protein, colorants and fractions of the sludge contained in the must (berry skins, etc.).
  • the quantity of the depositing yeast sludge may fluctuate between 2 to 5% of the fermented must.
  • the outer layers mostly consist of dull-brown slimy substances, whereas the middle, bright yellow layer consists of pure yeast and is therefore known as core yeast.
  • Figure 1 shows schematically a system 12 for clarifying a liquid containing particles .
  • the system 12 comprises a first separator illustrated in the form of a hydrocyclone 1 , operable to separate the liquid into at least two streams having different particle distributions; a dosing apparatus 2, configured to add one or more fining agents into one of the streams exiting the hydrocyclone 1 to cause flocculation of particles in this stream; and a second separator 3 illustrated in the form of a decanter centrifuge, which is operable to separate the particles from at least the stream to which the one or more fining agents have been added to produce a clarified liquid.
  • the system 12 is also provided with conduits which are configured to allow the flow of the streams between the components of the system.
  • system 12 may be operated on a continuous or batch basis .
  • Previous clarification methods particularly those involving the use of fining agents , have been problematic in obtaining sufficient clarification of liquids containing particles. Without the aid of a fining agent, the smaller and lighter particles (fines) remain
  • the reason for the unsatisfactory clarification of liquids containing particles is that the fining agent is being exhausted by the heavier/larger particles. This leaves less fining agent capacity to flocculate the fine particles (ie. the smaller and/or lighter particles) .
  • the applicant has surprisingly found that by
  • the liquid containing particles into streams containing different distributions of particles (eg. one stream with heavier and/or larger particles on average relative to another stream) , followed by the addition of fining agents (s) to the stream having the lighter and/or smaller particles on average, they were able to improve the efficiency of the clarification as the fining agent was made available to flocculate the finer particles .
  • the smaller and/or lighter particles which may be referred to as the "fines" in the liquid can be more efficiently treated with the fining agent.
  • the system and method developed by the applicant provides the further advantage of providing several options for the dosing of the fining agent to provide sufficient clarity to the liquid. For example, the method allows for the use of less fining agent to flocculate the smaller and/or lighter particles to achieve sufficient clarity of the liquid. The method also allows for the use of a fixed amount of fining agent to provide improved clarity of the liquid.
  • the liquid containing particles can be separated into the at least two streams having different particle
  • the separator in the form of a hydrocyclone 1 separates the particles on a mass basis into a heavy particle stream and a light particle stream.
  • the heavy particles of the heavy particle stream will have a higher average mass than the light particles in the light
  • the heavy particles of the heavy particle stream will also have a larger average particle size than the lighter particles of the light particle stream.
  • the method may involve separating the liquid comprising particles into at least two streams having different particle distributions on a particle size basis to produce a large particle stream and a small particle stream.
  • the large particles of the large particle stream will have a higher average size than the particles in the small particle stream.
  • specific size and/or mass ranges are not usually measured, it is within the skill of the person in the art to suitably effect a separation of the liquid into two streams, one having a larger average particle size and/or mass than the other, by suitable adjustment to the streams and the process used.
  • the light particle stream and the small particle stream comprises light or fine particles that require fining agent addition to support or to aid flocculation into larger particles or floes which can thereafter be efficiently separated in the second separation step, particularly when using a decanter centrifuge in that separation .
  • the separation of the liquid comprising particles into at least two streams having different particle distributions, such as a heavy particle stream and a light particle stream or a large particle stream and a small particle stream is provided by a first separator.
  • a first separator By separating the liquid containing particles into at least two streams exhaustion of the fining agent by the heavy and/or large particles is reduced.
  • FIG. 1 has a hydrocyclone as the first separator
  • separators that could, in other embodiments, be used as the first separator, such as a settling tank, a filter, a centrifugal separator, a sieve or a rotary brush strainer. It is noted that some of these different types of
  • separators will separate on a size basis, whilst others will separate on a mass basis.
  • the flowrate of the at least two streams having different particle distributions can be controlled in the system in several ways.
  • the flowrate of both streams may be controlled by controlling the flow of liquid containing particles into the first separator or by controlling the flowrate of the separated streams out of the first separator.
  • the flowrate of the strearns separated in the first separator may be controlled by control of the output of the clarified liquid from the second separator.
  • the flowrate of the heavy particle stream and the light particle stream may be controlled relative to each other.
  • the flowrate of the separated streams may also be controlled by measuring the back pressure on each of the streams.
  • control loops including control valve 13 and flowmeter 8 (which control the flow of the light particle stream) and/or control valve 9 and pressure transmitter 10 (which control the flow of the heavy particle stream) .
  • the control loop used to control the heavy particle stream may control the flow of the heavy particle stream by measuring the back
  • Controlling the back pressure on the heavy particle stream may provide means for
  • the flow of the light particle stream maybe used to control the amount of particles separating into or reporting to the heavy particle stream.
  • the flowrates of the heavy particle stream and the light particle stream may be controlled such that the volume of each of the heavy particle stream and the light particle stream is determined relative to one another.
  • the ratio of the volumes of the heavy particle stream and the light particle stream can be adjusted depending on the properties and composition of the liquid containing particles .
  • the flowrate of each of the heavy particle stream and the light particle stream is such that the heavy particle stream and the light particle stream are of equal volume. In an alternative embodiment, the flowrate of each of the heavy particle stream and the light particle stream are such that the volume of the heavy particle stream is of reduced volume compared to the light particle stream.
  • one or more fining agents are added to the light particle stream to cause flocculation of at least some of the particles.
  • one or more fining agents are added to the small particle stream to cause flocculation of at least some of the particles in that stream.
  • Fining shall be understood in this connection as being the addition of various substances (fining agents) to the liquid containing particles , wherein undesirable suspended matter is bonded by the fining agent (s) by chemical reactions and/or adsorption.
  • fining agents various substances
  • undesirable suspended matter is bonded by the fining agent (s) by chemical reactions and/or adsorption.
  • the fining is gelatin-silica sol fining.
  • the fining agent in this embodiment comprises gelatin/silica sol.
  • the gelatin may be added first, followed by the silica sol.
  • fining agents can be used as an alternative to gelatin/silica sol such as bentonite, chitosan, casein, isinglass or other animal proteins, gum arabic, polyvinyl pyrrolidone (PVPP) , tannins, or other polyphenols and/or polyamide or combinations thereof.
  • a dosing apparatus 2 is provided to add one or more fining agents to the light particle stream. In a preferred embodiment, the addition of fining agent can occur by way of a dosing lance.
  • the dosing apparatus may dose the fining agent (s) into the light particle stream conduit. In an alternative embodiment, the dosing apparatus may dose the fining agent into the light particle stream in a vessel such as a mixer.
  • the degree of flocculation may be determined using a
  • the information obtained by the above analysis can be used to adjust the dosing of the fining agent (s) .
  • the amount of fining agent dosed into the system can vary depending on the amount of particles in the stream to which fining agent has been added.
  • a further possibility for setting the optimal dosing concentration of fining agent can occur by determining the particle content of the clarified liquid phase, preferably by an optical measuring apparatus , and by subsequent control of the particle flow in the second separator.
  • the system 12 can be utilised to achieve greater efficiency.
  • One option is to reduce the amount of fining agent needed to achieve a certain degree of clarification. If this option is selected, work conducted by the applicant indicates that a reduction in fining agent usage of up to 70% can be achieved.
  • the fining agent amount to be used can be fixed at a set level and the degree of clarification achieved with that amount of fining agent can be increased.
  • a tortuous flow path is provided to the light particle stream to provide improved contact/reaction time between the fining agent and the particles in the light particle stream.
  • the tortuous flow path may be provided by a retention loop 11 or vessel (not shown) .
  • the retention loop may form a section of the light particle stream conduit.
  • the contact time between the fining agent and the particles of the light particle stream may be increased by increasing the length of the retention loop.
  • the contact time may be increased by holding the fining agent and the light particle stream in a vessel, such as a tank.
  • the light and the heavy particle streams are recombined after the light particle stream has been dosed with the fining agent (s) .
  • This may be achieved in a range of different ways .
  • a mixer may be provided for
  • the mixer comprises conduits for each separated stream which merge into a single merged conduit, which is arranged to deliver a recombined stream to the second separator.
  • the mixer may be a vessel, such as a tank, into which the streams flow. The tank may be
  • the vessel may be a vessel in which the subsequent separation step is performed, such as the second
  • the streams having different particle size distributions can remain separate after passing through the first separator.
  • the stream to which fining agent has been added continues through the clarification process, whereas the other stream may be stored or concentrated for other uses, or disposed of.
  • the other stream may be used at a later date in the clarification process or in other production processes.
  • the other stream may be added back to the stream to which fining agent has been added prior to passing through the second separator in batches, for example after a certain volume of the other stream has been stored.
  • the recombined streams flow to the decanter centrifuge 3 for separation of the particles in the recombined streams from the liquid to produce a clarified liquid.
  • the particles separated will include the particles from the heavy particle stream and the
  • centrifuge is employed for the second separation stage, other types of separator may be used including a membrane filter or settling after decanting. Where a decanter centrifuge is used as the second separator in the system 12 it may be used with or without an integrated pump. If the decanter centrifuge does not have an integrated pump, an additional pump is required to pump the decanted clarified liquid from the second separator. In the
  • a solid-wall scroll decanter centrifuge is used as the second separator.
  • the g-value of the decanter centrifuge (maximum centripetal acceleration of the product in the drum as a multiple of gravitational acceleration) may be larger than 2700 and up to 3500g.
  • a particularly suitable separator for the second separator is the decanter centrifuge described in the earlier patent application, Australian Patent Application No. 2011281697.
  • any flocculated particles that form may be separated from the liquid using any one or more of several separation techniques .
  • the flocculated particles may be separated from the liquid by settling in a settling tank 15, or by floatation separation (not shown) .
  • Test work has been conducted to assess the system described above and illustrated schematically in Figure 1.
  • the test work demonstrates that the system and the method allows for the use of less fining agent to flocculate the finer particles to achieve sufficient clarity of the liquid.
  • the method also allows for the use of a fixed amount of fining agent to provide improved clarity of the liquid.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Food Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Nutrition Science (AREA)
  • Polymers & Plastics (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Abstract

La présente invention concerne un procédé de clarification d'un liquide contenant des particules, le procédé comprenant les étapes suivantes : a) séparation du liquide en au moins deux flux ayant des distributions de particules différentes ; b) ajout d'un ou de plusieurs agents d'affinage à l'un des flux pour induire la floculation de particules dans ce flux ; c) recombinaison des flux ; et d) séparation des particules des flux recombinés pour produire un liquide clarifié.
PCT/AU2015/000433 2014-07-23 2015-07-23 Procédé de clarification de liquide WO2016011488A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2014902852 2014-07-23
AU2014902852A AU2014902852A0 (en) 2014-07-23 Process for clarification of Liquid

Publications (1)

Publication Number Publication Date
WO2016011488A1 true WO2016011488A1 (fr) 2016-01-28

Family

ID=55162312

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2015/000433 WO2016011488A1 (fr) 2014-07-23 2015-07-23 Procédé de clarification de liquide

Country Status (1)

Country Link
WO (1) WO2016011488A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560565A (en) * 1982-11-30 1985-12-24 Westfalia Separator Ag Method of stabilizing must, still wines and sparkling wines with respect to precipitation
US20040035296A1 (en) * 2000-02-04 2004-02-26 Frank Schauz Centrifugal separating device and method of clarifying must during the production of wine
US7569137B2 (en) * 2004-01-08 2009-08-04 Fort Hills Energy L.P. Process and apparatus for treating tailings
US20130105402A1 (en) * 2010-07-20 2013-05-02 Gea Mechanical Equipment Gmbh Method for clarifying a wine sediment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560565A (en) * 1982-11-30 1985-12-24 Westfalia Separator Ag Method of stabilizing must, still wines and sparkling wines with respect to precipitation
US20040035296A1 (en) * 2000-02-04 2004-02-26 Frank Schauz Centrifugal separating device and method of clarifying must during the production of wine
US7569137B2 (en) * 2004-01-08 2009-08-04 Fort Hills Energy L.P. Process and apparatus for treating tailings
US20130105402A1 (en) * 2010-07-20 2013-05-02 Gea Mechanical Equipment Gmbh Method for clarifying a wine sediment

Similar Documents

Publication Publication Date Title
EP3040312B1 (fr) Procede de traitement d'eau comprenant une etape d'adsorption sur resine echangeuse d'ions et une etape de coagulation/floculation lestee et de separation, et installation correspondante
Cancino-Madariaga et al. Combination treatment of corn starch wastewater by sedimentation, microfiltration and reverse osmosis
JP2021505389A (ja) 同時フェーズ動作型嫌気性連続バッチ反応器
DK2595723T3 (en) A process for the regeneration of the PVPP from a membranfilterretentat after purification and stabilizing a yeast fermented beverage
NO317246B1 (no) Fremgangsmate for fysikalsk-kjemisk behandling av avlop, spesielt av overflatevann for konsum
RU2550261C2 (ru) Способ осветления винного осадка
EP3191412B1 (fr) Gestion active des lits fluidises de charbon actif
WO2016011488A1 (fr) Procédé de clarification de liquide
Díaz et al. Use of flocculants for increasing permeate flux in anaerobic membrane bioreactors
DK2595722T3 (en) A method of stabilizing beverages gærfermenterede
US11097969B2 (en) Membrane separation method and device provided with particle sorting device
US20030178372A1 (en) Separation processes and apparatus
EP2596095B1 (fr) Procédé et appareil de récupération de pvpp après un contact avec une boisson fermentée au moyen de levure par séparation par sédimentation
LeMerdy Evolving clarification strategies to meet new challenges
US20190322553A1 (en) System and method for separating nutrients from a waste stream
RU2293710C2 (ru) Устройство для обработки иловой смеси перед разделением
Bodzek et al. Fouling of membranes during ultrafiltration of surface water (NOM)
JPH06114400A (ja) 汚泥の濃縮方法
WO2019063310A1 (fr) Procédé et appareil pour le traitement des eaux usées
JP2018205280A (ja) 充填剤の粒度調整方法及び調整装置並びに液体クロマトグラフィー用カラムの充填方法

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: 15825138

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15825138

Country of ref document: EP

Kind code of ref document: A1