WO2012129604A1 - Procédé et système de traitement des eaux - Google Patents

Procédé et système de traitement des eaux Download PDF

Info

Publication number
WO2012129604A1
WO2012129604A1 PCT/AU2012/000322 AU2012000322W WO2012129604A1 WO 2012129604 A1 WO2012129604 A1 WO 2012129604A1 AU 2012000322 W AU2012000322 W AU 2012000322W WO 2012129604 A1 WO2012129604 A1 WO 2012129604A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
wetland
treatment system
water treatment
system defined
Prior art date
Application number
PCT/AU2012/000322
Other languages
English (en)
Inventor
James Patrick HUNTER
David John PONT
Original Assignee
The Water & Carbon Group 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 AU2011901162A external-priority patent/AU2011901162A0/en
Application filed by The Water & Carbon Group Pty Ltd filed Critical The Water & Carbon Group Pty Ltd
Priority to AU2012234912A priority Critical patent/AU2012234912A1/en
Publication of WO2012129604A1 publication Critical patent/WO2012129604A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
    • 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
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • 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
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

  • the disclosure generally relates to the treatment of water, and specifically but not exclusively to a system and a corresponding method for the treatment of impure water produced by any one of a mining operation, and domestic and/or industrial water consumption.
  • Impure water may be a waste or by-product of mining operations, domestic and industrial water usage.
  • Coal seam water for example, can contain contaminants; the coal seam water may have concentrations of sodium chloride up to 8 g L, which is about 16 times more than the typical upper limit for drinking and irrigation, may have a high pH, and may have carbonates, magnesium, hydrocarbons, and toxic BTEX which may be used during a coal seam gas extraction process.
  • coal seam water Before coal seam water is released into the environment it may be treated to reduce environmental impacts such as soil salinity, and the pollution of surface and ground water. Similarly, the water may be treated before domestic, agricultural and industrial use.
  • reverse osmosis a type of membrane filtration, has been used to remove contaminants from coal seam water.
  • the power required to push the coal seam water through the membrane increases as contaminant concentration - especially salt concentration - increases.
  • the lifetime of the membrane decreases with increasing contaminant concentration.
  • Membrane filtration also concentrates the contaminants in a solution which is inconvenient and expensive to dispose of.
  • membrane filtration encompasses, but is not limited to, nano-filtration, ultra-filtration, micro-filtration, and reverse osmosis.
  • a water treatment system comprising a wetland system planted with plants.
  • the wetland system comprises an artificial wetland system.
  • the system may comprise a water flow moderator that receives water and is configured to moderate a flow of the water therethrough.
  • the wetland system may be in fluid communication with the water flow moderator for receiving the moderated flow of water from the water flow moderator.
  • the water flow moderator may have algae that can at least in part normalise the pH of the water.
  • the moderator may have bacteria.
  • the water flow moderator may have fixed carbon, for example dead organic matter or other complex molecules having carbon.
  • the algae and/or bacteria may die and form the fixed carbon.
  • the water flow moderator may be between lm and 2m deep at its deepest point. Greater depths may add more complexity, capital and operational costs.
  • the water resides in the water flow moderator for an average ; of 3 days to 6 days. This may provide sufficient time for the bacteria and/or algae to grow and/or act.
  • the water flow moderator may be open to the environment. This may allow chemicals, for example carbonates, in the water to equilibrate with the ) atmosphere.
  • the water flow moderator may comprise at least one pond.
  • the moderated flow of water is distributed across the wetland ; system.
  • the moderated flow of water may be delivered to a plurality of spaced apart regions.
  • the system may comprise at least one conduit connecting the water flow moderator to the spaced apart regions.
  • the at least one conduit may comprise at least one manifold.
  • the water treatment system may have parallel water flow pathways through the wetland system.
  • the water treatment system may comprise a water flow control system arranged to alternate the flow of the water through the parallel treatment pathways.
  • the wetland system may comprise first and second wetland units.
  • the first wetland unit may be in fluid communication with the water flow moderator for receiving at least some of the moderated flow of water.
  • the second wetland unit may be in fluid communication with the first wetland unit for receiving at least some of the water that has flowed through the first wetland unit.
  • the water may be delivered to a first plurality of spaced apart regions within the first wetland unit. At least some of the water may be delivered to a second plurality of spaced apart regions within the second wetland unit.
  • Each of the first and second wetland units may comprise at least one of a pipe arrangement, conduits, and manifold that deliver the water at a plurality of spaced apart regions.
  • the first wetland unit may have a smaller area than the second wetland unit.
  • the first wetland unit may have less than half the area of the second wetland unit.
  • the first wetland unit may be sized for at least one of sedimentation and sediment adsorption.
  • the first wetland unit may have a sediment substrate to which a metal in the water binds.
  • the sediment substrate may oxidise a chemical in the water.
  • the sediment substrate may be soil, or dead organic matter, for example.
  • At least one of the first and second wetland units may slope 0% to 0.5%. Low slopes such as these may prevent short circuiting, that is, water flowing straight through one and/or both of the wetland units. The formation of rivulets may be prevented.
  • the first wetland unit may have an operating water depth of 50mm to 300mm.
  • the water residence time in the first wetland unit may be on average 1 to 2 days.
  • the first wetland unit may be configured as a transition between the water flow moderator and the second wetland unit.
  • the first wetland unit may have an application rate of 20mm to 100mm per day.
  • At least one of the first and second wetlands units may be open to the environment. This may allow chemicals, for example carbonates, in the water to equilibrate with the atmosphere.
  • the second wetland unit may be sized for sedimentation.
  • the first and/or second wetland unit may have organic matter to which a bio-film can bind.
  • the second wetland unit may have an application rate of 10 mm - 50 mm per day.
  • the water residence time in the second wetland unit may be on average between 1 day to 5 days.
  • the system comprises a third wetland unit which may comprise a filter cartridge.
  • the filter cartridge may comprise bags of palletised material, for example gravel.
  • the filter cartridge may absorb heavy metals.
  • the third wetland unit may be disposed between the first and second wetland units.
  • the water treatment system may comprise means to introduce other water into the system.
  • the water treatment system may comprise at least one coal seam gas well head.
  • the coal seam gas well head may be in water communication with one of the water flow moderator and the wetland system.
  • a water treatment arrangement comprising:
  • a membrane filter in fluid communication with the water treatment system that filters at least some of the water that has flowed through the wetland system.
  • the membrane filter may comprise a reverse osmosis membrane.
  • Also disclosed herein is a method for treating water, the method comprising the steps of:
  • the method may comprise the step of extracting the impure water from a coal seam.
  • the method may comprise the step of separating the water from coal seam gas.
  • the method may comprise the step of passing the water through a membrane filter.
  • the method may comprise adding other water before, during, or after any step thereof.
  • Also disclosed herein is a method for treating water, the method comprising the steps of:
  • the method may comprise the step of extracting the water from a coal seam.
  • Also disclosed herein is a method for treating water, the method comprising the steps of:
  • the water may be diluted before or after the wetland system, or while it is in the wetland system.
  • Figure 1 shows a flow diagram of one embodiment of a method for treating in pure water
  • Figure 2 shows an embodiment of a water treatment system
  • Figure 3 shows another embodiment of a water treatment system
  • Figure 4 shows yet another embodiment of a water treatment system.
  • FIG. 1 shows a flow diagram of one embodiment of a method for treating impure water, the method generally being indicated by the numeral 10.
  • the impure water may originate, for example, from a mining operation such as a coal mining or coal seam gas extraction, sewage treatment, industrial operations and generally any sources.
  • a mining operation such as a coal mining or coal seam gas extraction, sewage treatment, industrial operations and generally any sources.
  • Coal seam gas is also known as coal bed methane.
  • Coal seam water may be produced during the drilling of a coal seam gas well and/or extraction of coal seam gas from a coal seam.
  • the water can be separated from the gas using techniques such as down hole water separation, mechanical blocking devices in the well or the bore, and generally any other suitable process control and optimisation technique.
  • Water may flow from the well head via a well head off-take.
  • Impure water from more than one coal seam gas well may be combined to produce a flow of impure water.
  • the water may optionally be diluted with other relatively pure water, for example rain water, as indicated by numeral 11 for example.
  • the flow of impure water is moderated. Sometimes there may be a sudden surge of water from operations which if not moderated may exceed the capacity of the corresponding system to treat.
  • the water flow through the system may drop below acceptable limits if not moderated. Insufficient impure water inflows into the system may be compensated by adding other water.
  • the moderated flow of water is passed through a wetland system.
  • the wetland system may be planted with plants, such as salt tolerant aquatic plants for example.
  • the wetland system in this but not all embodiments, is artificially created. In other embodiments, the wetland system may be paitly or entirely natural.
  • the step of passing the moderated flow of water through the wetland system at least in part improves the quality of the water. In many cases, the water can then be used.
  • the water that has passed through the wetland system is then passed through a membrane filter such as a reverse osmosis membrane.
  • the water can then be used for irrigation, industry, domestic applications or released to the environment or any other use as suitable.
  • FIG. 2 shows an embodiment of a water treatment system generally indicated by the numeral 20.
  • Water from a plurality of gas wells, such as that indicated by numeral 22, is collected in a series of connecting pipes such as 24.
  • the water is then delivered to a water flow regulator, which in this embodiment is actually two regulation units indicated by 26 and 28. In other embodiments, there may be more or less than two regulation units.
  • the regulator - as is each regulation unit - is configured to receive the water from the gas wells, such as 22, and moderate a flow of the water therethrough.
  • the water flow regulation units each comprise a pond.
  • the ponds are in this embodiment, but not necessarily in all embodiments, configured to promote sediment deposition therein.
  • the ponds have, in this but not necessarily in all embodiments, algae that can at least in part normalise the pH of the water that flows through them. They also may have fixed carbon which can remove certain contaminates from the water. Examples of such contaminants include phosphorus, which is absorbed and metabolised by an algae/bacterial symbiosis. The phosphorous is sedimented when the organisms die.
  • the ponds of the embodiment of Figure 1 are, at their deepest point, between 1 metre and 2 metres although it would be appreciated that values outside of this range may be acceptable in certain
  • the volume of the pond may depend on the operational parameters of the gas wells and the water treatment system, however, it is desirable in some circumstances that they be configured such that it takes on average 3-6 days for the water to flow through the ponds. This gives the fixed carbon and the algae enough time to act on the water to improve its water quality.
  • the ponds are open to the environment which may aid in the treatment of the water, although in other
  • the pond may be closed.
  • the water flow moderator in the form of a pond is not required. This function may be performed by the wetland system.
  • the water from the ponds then flows into a wetland system comprising wetland units 30, 32, 34 and 36.
  • Water from pond 26 flows into wetland unit 30, and the water from wetland unit 30 flows into wetland unit 32.
  • water from pond 28 flows into wetland unit 34, and the water from wetland unit 34 flows into wetland unit 36. That is, water flowing from 26 to 30 to 32 is a first water flow pathway and water flowing through 28, 34 and 36 is a second parallel water flow pathway.
  • a valve before each of ponds 26 and 28, indicated by numerals 38 and 40 respectively, can close and open respective conduits connecting the gas wells to the respective pond.
  • These valves can be independently opened and closed. In normal use, only one of the valves is open and the other is closed. In this way, at any particular time only one of the flow paths is opened and the other one is closed. For example, at a particular time a valve 40 may be opened and valve 38 may be closed and consequently the water flows through 28, 34 and 36 but no water flows through 26, 30 and 32.
  • the water flow control system comprising the valves may allow periodic alternative flows through the parallel pathways. This allows for one of the flow pathways to be rested while the other is active. Also, this alternation allows maintenance on one of the flow pathways while the other is in use or remediation of one of the flow pathways when the other is in use. In some circumstances where greater than normal flow is experienced both valves may be opened so that the two pathways are in simultaneous use.
  • the distribution of the water is, in this example, achieved through the use of a manifold 52 however any system that achieve the same or similar effect is generally satisfactory.
  • conduits, pipes, sprinklers, drippers, fountains, moving hoses etc may each be used to distribute the water.
  • Each of the other wetland units also have a manifold indicated by the numerals 54, 56 and 60.
  • the upstream wetland units 30, 34 generally have a smaller surface area than the downstream wetland units 36, 32.
  • the deposition of hazardous or undesirable materials or chemicals or sediments will be deposited more in the upstream wetland units than the downstream units.
  • the upstream unit may have a particular mineralogy or of a chemical nature that favours adsorption, absorption or sedimentation, flocculation or coagulation processes. This may concentrate the materials in a more manageable manner. Having a smaller area minimises the area of land that requires remediation after the conclusion of the treatment system's life.
  • the first wetland unit is sized for sedimentation and/or sediment adsorption.
  • a sediment substrate such as an iron- or aluminium- or calcium-rich material, in a favourable pH and/or Eh condition in the upstream wetland units to which a metal, such a heavy metal as cadmium or zinc, in the water binds.
  • the sediments substrate may oxidize a chemical in the water when the flow of water is slowed and more time is available for the chemical to react with the sediment substrate.
  • the wetland units are configured for horizontal flow and slope between 0% and 0.5% although it would be appreciated that other slopes may be used as appropriate.
  • other types of wetlands such as vertical wetlands, may be used.
  • the first wetland unit may have a varying water depth of 50mm to 300mm which can be adjusted by devices such as pipes and valves according to the
  • the average water residence time the first wetland unit is, in this embodiment, one to two days although other values are possible.
  • the application rate (volume applied divided by area) in the upstream wetland units may be between 20mm and 100mm per day according to the requirements of the plants, water, climate and materials passing through the system, although other values are possible. All the wetland units may be open to the environment and this may assist water treatment.
  • All the wetlands are generally heavily vegetated, and may be vegetated with native plants.
  • the downstream wetland units such as 36 and 32 are generally sized for sedimentation such that the area is sufficient to produce flow velocities slow enough to encourage settling of solids. These can also have organic matter such as plant stems and dead leaves to which a bio film, an organic microbial matrix encased in a gel-like film can bind.
  • the downstream wetland units may generally have an application rate, i.e. a depth of water calculated as volume applied divided by area, of between 50mm and 500mm a day according to the requirements of the plants, water, climate and materials passing through the system, although other values are possible where appropriate.
  • the water residence time of the downstream wetland units is on average between 1 to 5 days depending on the specific nature of the project objectives, the flows and materials contained in the flows, although other residence times are possible.
  • the purity of the water may have improved. Many solids may have been deposited in one or more of the wetland units, the salinity may have dropped, the pH may have normalised, some heavy metals and other contaminates may be removed.
  • the water may then be delivered from the downstream wetland units 36, 32 to a membrane filtration unit 68 to further purify the water.
  • the pre-treatment by the wetland system reduces the work that needs to be done by the membrane, increasing energy efficiency, reducing the impurity load on the membrane which further increases the efficiency of the system, and preventing premature clogging of the membrane.
  • the membrane filter may be one of, for example, a nano-filtration filter, an ultra filtration filter, a micro filtration filter, and a reverse osmosis filter.
  • the filter may, for example, be made of cellulose acetate.
  • the membrane filter is a
  • FIG. 3 shows another embodiment of a water treatment system generally indicated by the numeral 69.
  • a flow of water 70 from a gas well is combined from a water flow 72 from a reservoir 74 of fresh water.
  • a managed mixing of fresh and salt water may be able to produce a target salt concentration according to project objectives for the reuse or discharge application.
  • the water from the gas well 70 and the fresh water flow 72 are combined and delivered to ponds 76 and 78.
  • a series of wetland units such 80, 82, 84, 86, 88 and 90 then pre-treat the combined water flows.
  • the water may be then delivered 92 for use in agriculture, for example, with the same or lower salt concentrations, or alternatively sent to a membrane filter 94 for membrane filtration.
  • the fresh water may be rain water, for example. If sufficient quantities of fresh water are available the water from the wetland system may be discharged into the environment without further treatment by membrane filtration, for example.
  • the embodiment of figure 1 indicates that the fresh water, or other water, may, in fact, be introduced at any point in the process.
  • FIG 4 shows another embodiment of a water treatment system generally indicated by the numeral 100.
  • water from a gas well 104 is delivered to a water flow moderator in the form of a pond 106.
  • the water from the pond 106 is then delivered to a wetland system 108.
  • Also delivered to the wetland system is fresh water 102 that has been stored in a fresh water storage reservoir 1 10.
  • the water flowing from the fresh water reservoir 102 is delivered to the wetland system 108 independently from the pond 106.
  • the water 112 flowing from the wetland system is suitable for most agriculture and may have similar or lower salt concentrations than that from the coal seam water, and may be, but not necessarily, membrane 114 filtered.
  • the water may then be discharged for reuse into the environment, for example, or any other suitable use.
  • the wetlands prepare the water for purification using a membrane filtration technique such as reverse osmosis.
  • the wetlands reduce the cost of the purification using a membrane technique such as reverse osmosis.
  • Contaminants such as heavy metals, dissolved solids, and hydrocarbons are removed from the coal seam water by: organisms in the wetlands; assimilation in plants; sorption; sedimentation; and oxidation.
  • organisms in the wetlands assimilation in plants
  • sorption sedimentation
  • oxidation oxidation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

La présente invention concerne un système de traitement des eaux et un procédé correspondant. Le système comprend un système de milieu humide planté de plantes. On peut utiliser ce système et le procédé associé pour le traitement d'eaux impures produites aussi bien par une exploitation minière que par la consommation d'eau domestique et/ou industrielle.
PCT/AU2012/000322 2011-03-29 2012-03-29 Procédé et système de traitement des eaux WO2012129604A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2012234912A AU2012234912A1 (en) 2011-03-29 2012-03-29 Method and system for treating water

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2011901162A AU2011901162A0 (en) 2011-03-29 Method and system for treating water
AU2011901162 2011-03-29

Publications (1)

Publication Number Publication Date
WO2012129604A1 true WO2012129604A1 (fr) 2012-10-04

Family

ID=46929216

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2012/000322 WO2012129604A1 (fr) 2011-03-29 2012-03-29 Procédé et système de traitement des eaux

Country Status (2)

Country Link
AU (2) AU2012101909B4 (fr)
WO (1) WO2012129604A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018197329A1 (fr) * 2017-04-28 2018-11-01 Suez Groupe Zone humide artificielle dimensionnee pour l'elimination de polluants

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110526405A (zh) * 2019-08-30 2019-12-03 江西理工大学 复合人工湿地就地去除稀土矿区氨氮污染的方法及系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951866A (en) * 1996-07-31 1999-09-14 Grove; John E. Cold climate wetland waste water treatment system
KR20020007270A (ko) * 2001-12-05 2002-01-26 이경주 하수처리장 2차 처리수의 수질 개선을 위한고효율산화지와 인공습지를 결합한 자연처리시스템
US6372143B1 (en) * 2000-09-26 2002-04-16 Hydrometrics, Inc. Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis
CN101293708A (zh) * 2007-04-25 2008-10-29 宝山钢铁股份有限公司 一种人工湿地及其应用
CN101314509A (zh) * 2007-05-29 2008-12-03 胡孟春 平原河网区农村生活污水净化二次饮用技术
EP2093196A1 (fr) * 2008-02-19 2009-08-26 Erik Meers Traitement de dispersions liquides de matériaux organiques vers l'eau d'évacuation/recyclage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951866A (en) * 1996-07-31 1999-09-14 Grove; John E. Cold climate wetland waste water treatment system
US6372143B1 (en) * 2000-09-26 2002-04-16 Hydrometrics, Inc. Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis
KR20020007270A (ko) * 2001-12-05 2002-01-26 이경주 하수처리장 2차 처리수의 수질 개선을 위한고효율산화지와 인공습지를 결합한 자연처리시스템
CN101293708A (zh) * 2007-04-25 2008-10-29 宝山钢铁股份有限公司 一种人工湿地及其应用
CN101314509A (zh) * 2007-05-29 2008-12-03 胡孟春 平原河网区农村生活污水净化二次饮用技术
EP2093196A1 (fr) * 2008-02-19 2009-08-26 Erik Meers Traitement de dispersions liquides de matériaux organiques vers l'eau d'évacuation/recyclage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HEDIN, R S: "Iron Removal by a Passive System Treating Alkaline Coal Mine Drainage", MINE WATER AND THE ENVIRONMENT, vol. 27, no. 4, May 2008 (2008-05-01), pages 200 - 209, XP019637149 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018197329A1 (fr) * 2017-04-28 2018-11-01 Suez Groupe Zone humide artificielle dimensionnee pour l'elimination de polluants
FR3065720A1 (fr) * 2017-04-28 2018-11-02 Suez Groupe Zone humide artificielle dimensionnee pour l'elimination de polluants

Also Published As

Publication number Publication date
AU2012234912A1 (en) 2013-10-24
AU2012101909A4 (en) 2014-05-01
AU2012101909B4 (en) 2014-11-20

Similar Documents

Publication Publication Date Title
Suwaileh et al. Membrane desalination and water re-use for agriculture: State of the art and future outlook
AU2016202093B2 (en) Method and system for treating water used for industrial purposes
US6635177B2 (en) Reclaiming water and usable brine concentrate from domestic sewage
KR101163061B1 (ko) 처리토양층 및 투수여재층을 이용한 하천수질 정화장치 및 방법
CN202766374U (zh) 一种用于煤矿矿井水的双膜处理系统
US20120145628A1 (en) Phytoremediation for desalinated water post-processing
Khan et al. DPSIR framework and sustainable approaches of brine management from seawater desalination plants in Qatar
Hill Review of available technologies for the removal of selenium from water
Mack et al. Membrane bioreactors for metal recovery from wastewater: A review
Wang et al. Membrane-based technology in water and resources recovery from the perspective of water social circulation: A review
US20140209526A1 (en) Dual stage bioreactor system for removing selenium from water
AU2012101909A4 (en) Method and system for treating water
CN103253760B (zh) 一种与负压膜耦合的上向流流态化生物滤池
Farooqi et al. Green technologies for saline water treatment
Rajpoot Current Technologies for Waste Water Treatment in Chemical Industries in India
Van Houtte et al. Experiment with willows to treat RO concentrate at Torreele’s water re-use facility in Flanders, Belgium
Vargo Advances in Reusing Wastewater for Agriculture: A Comprehensive Study
Appelman et al. WasteWaterConnectors: a Nature Based Solutions (NBS) Toolkit
Stuckey Anaerobic membrane bioreactors
Pervov Measures to Increase Recoveries and Avoid Concentrate Disposal: Principles to Control Scaling and Reduce Concentrate Disposal in Reverse Osmosis Applications
CN107522353A (zh) 一种利用耐盐菌处理高盐废水的活性污泥‑膜电容综合处理装置及工艺

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: 12763848

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

ENP Entry into the national phase

Ref document number: 2012234912

Country of ref document: AU

Date of ref document: 20120329

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 12763848

Country of ref document: EP

Kind code of ref document: A1