WO2005005328A1 - 回収リン酸マグネシウムアンモニウムの利用方法及び装置 - Google Patents
回収リン酸マグネシウムアンモニウムの利用方法及び装置 Download PDFInfo
- Publication number
- WO2005005328A1 WO2005005328A1 PCT/JP2004/009961 JP2004009961W WO2005005328A1 WO 2005005328 A1 WO2005005328 A1 WO 2005005328A1 JP 2004009961 W JP2004009961 W JP 2004009961W WO 2005005328 A1 WO2005005328 A1 WO 2005005328A1
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- WO
- WIPO (PCT)
- Prior art keywords
- treatment
- recovered
- tank
- magnesium phosphate
- ammonium
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/906—Phosphorus containing
Definitions
- the present invention provides a treatment method using mineral nutrients which can be used inexpensively and easily for waste water which can not be produced by aerobic and / or anaerobic biological treatment unless mineral nutrients are added. It relates to an apparatus.
- Nitrogen and phosphorus contained in sewage are the causative agents of eutrophication problems in rivers, oceans, reservoirs, etc., and it is desirable that they be efficiently removed in the sewage treatment process.
- Phosphorus resources are substances that are expected to die in the 21st century. Japan relies on imports for most of its phosphorus, and today, a method of recovering phosphorus from organic waste and wastewater with high efficiency is desired.
- the crystallization method basically has the advantage of being able to remove phosphorus recovered from the sludge generation without any problem, and be able to remove (recover) it in a stable state. is there.
- Patent Document 1 describes a method for recovering phosphorus as phosphoric acid magnesium ammonium (hereinafter also referred to as "MAP") from wastewater containing high concentration of phosphorus and ammonia nitrogen. ing.
- MAP phosphoric acid magnesium ammonium
- nighttime ammonium ions, phosphate ions, magnesium ions, and hydroxyl groups react in the form as shown in Formula (1) to generate MAP.
- the produced MAP can be reused as a slow-release fertilizer (a kind of low phosphorus system).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-326089
- Anaerobic biological treatment is a method of growing anaerobic bacteria and decomposing organic matter in wastewater by maintaining anaerobic condition in the presence of anaerobic bacteria. In the decomposition process, it is finally decomposed into carbon dioxide and methane through methanogenesis by methanogenic bacteria.
- phosphorus is a component of nucleic acids, phospholipids and coenzymes, and nitrogen is a component of proteins, nucleic acids and coenzymes.
- inorganic salts such as phosphorus and nitrogen in the wastewater are insufficient, cell synthesis becomes difficult, and the desired treated water quality may not be obtained.
- the growth of aerobic bacteria may be suppressed and the processing capacity may be reduced.
- the present invention has been made under such circumstances, and the object of the present invention is to solve aerobic and / or anaerobic biological treatment without the addition of mineral nutrient salts in order to solve the above-mentioned problems. It is to provide a method of using inexpensive and easily available mineral nutrients for waste water that does not make sense.
- the present invention has been able to solve the above problems by the following means.
- a biological treatment process comprising an anaerobic treatment process and / or an aerobic treatment process, which is a phosphate ammonium oxide recovered from the treatment process of organic waste and / or organic waste water treatment.
- the biological treatment step is an anaerobic treatment step comprising an acid fermenter, and the recovered magnesium phosphate ammonium is added to the acid fermenter, or (1) or (13) The usage method of the collection
- the treatment step of the organic waste and / or organic waste water treatment is a biological treatment step comprising an anaerobic treatment step and / or an aerobic treatment step
- the magnesium phosphate is an anaerobic treatment step.
- the treatment step of the organic waste and / or organic waste water treatment is a biological treatment step consisting of an anaerobic treatment step and / or an aerobic treatment step, and the magnesium phosphate ammonium is an anaerobic treatment step. It is characterized in that it is recovered from the treated water of the biological treatment process consisting of the anaerobic treatment process and / or the aerobic treatment process, and is recycled to the anaerobic treatment process and / or the aerobic treatment process of the same biological treatment process again.
- a method of using the recovered magnesium phosphate according to any one of the above (1) to (4).
- An anaerobic treatment tank and a Z or aerobic treatment tank are used as inorganic nutrient sources for phosphate ammonium recovered from the treatment process of organic waste and / or organic waste water treatment.
- a processing apparatus using recovered magnesium phosphate which is added to a biological treatment apparatus having the same.
- the biological treatment apparatus comprises an acid fermenter, and the phosphoric acid recovered in the acid fermenter
- an acid fermentation tank is provided upstream of the anaerobic treatment tank and Z or the aerobic treatment tank, and the piping is made of magnesium ammonium ammonium phosphate from the magnesium phosphate ammonium formation tank.
- the magnesium phosphate ammonium formation tank is further provided with means for adding a drug containing magnesium, ammonium and Z or phosphorus, and Z or pH adjustment means.
- the biological treatment apparatus according to (8) or (9).
- the gist of the present invention is a method for treating MAP that has been recovered from organic waste and / or organic waste water treatment processes, for wastewaters for which aerobic or anaerobic biological treatment can not be achieved without the addition of mineral nutrients.
- the reason is that it has been found that enormous costs can be significantly reduced if it is used as mineral nutrients.
- the wastewater recovered from the treatment process of organic waste and / or organic wastewater treatment can not be treated with aerobic or anaerobic biological treatment without the addition of mineral nutrients.
- MAP dissolves in a short time by setting the particle size to less than 0.5 mm and setting the pH of the solution to which MAP is added to 10 or less, MAP can be easily used as a mineral nutrient salt. it can.
- the recovered MAP when the recovered MAP is added to the acid fermenter upstream of the aeration processing tank, the MAP can be dissolved better and used as a mineral nutrient salt. Is more effective.
- an anaerobic treatment tank and / or an aerobic treatment tank receiving the treated water discharged from the treatment tank and producing a MAP
- a magnesium phosphate ammonium formation tank receiving the treated water discharged from the treatment tank and producing a MAP
- the MAP In a biological treatment apparatus for organic waste and / or organic wastewater utilizing collected magnesium phosphate ammonium comprising: a treatment tank and / or a pipe that is circulated to the aerobic treatment tank, the same biological organism is used. Since MAP is recovered and redissolved in the processing apparatus and used as a mineral nutrient salt, excessive discharge of phosphorus can be prevented, and MAP can be used efficiently.
- FIG. 1 is a system diagram of one embodiment in which the recovered MAP of the present invention is used as an inorganic nutrient source in an anaerobic treatment process.
- FIG. 2 is a graph showing the relationship between the average particle size of MAP and the dissolution rate, according to dissolution time.
- FIG. 3 is a system diagram of another embodiment in which the recovered MAP of the present invention is used as a mineral nutrient source of the anaerobic treatment process.
- FIG. 4 is a system diagram of one embodiment of using the recovered MAP of the present invention as a mineral nutrient source of aerobic treatment process.
- FIG. 5 is a schematic explanatory view showing another embodiment of the anaerobic treatment process using the recovered MAP of the present invention as an inorganic nutrient source.
- FIG. 6 is a schematic explanatory view showing an anaerobic treatment process using the recovered MAP of the present invention used in Example 3.
- FIG. 1 is a system diagram illustrating a method of purifying organic wastewater such as petrochemical wastewater, pulp and paper wastewater, soft drink wastewater, alcoholic beverage wastewater by anaerobic biological treatment.
- Anaerobic biological treatment consists of acid fermenter 2 and EGSB reactor 1 (Expanded granular sludge bed: granular sludge expanded bed).
- EGSB reactor 1 Exanded granular sludge bed: granular sludge expanded bed.
- anaerobic biological treatment may not necessarily require the acid fermenter 2 and, if the organic matter in the raw water 5 has already been reduced in molecular weight, it may be introduced directly into the EGSB method (EGSB reactor 1).
- a UASB (upflow anaerobic sludge blanket) tank instead of the EG SB reactor 1, a UASB (upflow anaerobic sludge blanket) tank, a fixed bed method, a fluidized bed method, or the like may be used.
- 5 is raw water
- 6 is MAP particles
- 7 is treated water
- 8 is circulating water.
- MAP6 recovered from the treatment process of organic waste and Z or organic wastewater is added to the above wastewater 5 as a mineral nutrient salt.
- Organic wastes include sewage sludge and garbage, livestock wastes, organic wastes such as malt and tea husks. When these solids are anaerobically digested, they are finally decomposed into carbon dioxide and methane through solid solubilization, organic acid generation and methanogenesis steps, and the liquid side contains phosphorus and nitrogen. Etc. elute. By adding magnesium and Z or alkali to this solution, MAP6 is produced and recovered. The properties of the recovered MAP6 differ depending on the reactor, reaction conditions, etc. The force-averaged particle size was 0.05 mm-5 mm, and the purity of the MAP was 10-90%.
- MAP is a poorly soluble salt, and its solubility in water is small.
- the solubility of MAP is shown by (Kyoritsu Publishing Co., Ltd., “Chemical Dictionary”, page 9, page 817). For example, it is 0.degree. C .: 0.2031 g / 100 g, 80.degree. C .: 0.1095 g / 100 g.
- MAP can be dissolved relatively easily, and a solution containing a predetermined phosphorus concentration and ammonia concentration can be obtained.
- an acid chemical the need for a separate MAP dissolution tank, and the need to add a solution with a low pH to the biological treatment tank, etc.
- the present inventors have found that the dissolution rate of MAP varies depending on the particle size of MAP. That is, as shown in FIG. 2, when the dissolution time is 1 hour, the particle size is 0.11 mm; 69%, the particle size 0.52 mm; 52%, the particle size 1.5 mm; 45%, and the same dissolution time Then, it was found that the smaller the MAP particle size, the higher the dissolution rate and the shorter the dissolution time.
- the reaction time for biological treatment is usually 1 hour or more, and it is evaluated as efficient dissolution when 50% or more of the loaded MAP is dissolved in at least 1 hour. Therefore, when the recovered MAP is used as a mineral nutrient source, the particle size of the MAP should be less than 0.5 mm.
- the MAP particle size is preferably such that all MAP particle sizes are less than 0.5 mm, but the average particle size may be less than 0.5 mm.
- the particle sizes of recovered MAPs vary. If the MAP particle size is less than 0.5 mm, it can be added as it is. If the MAP particle size is 0.5 mm or more, Sieve and classify the MAP. In addition, after milling, operations such as sieving and classification may be performed.
- the amount of MAP dissolved is pH-dependent, and the lower the pH, the more soluble.
- highly alkaline wastewater does not dissolve even if the particle size is less than 0.5 mm. Even in highly alkaline wastewater, dissolve MAP so that NH-N in the wastewater is at least 10 mg / liter or more.
- the pH of the solution to be dissolved should be 10 or less. If the pH of the wastewater or biological treatment tank is 10 or less, there is no need to adjust the pH.
- the addition site of MAP 6 may be in the raw water 5, the raw water conditioning tank, the circulating water 8, the UASB tank (or the EGSB reservoir 1), but when the acid fermenter 2 is provided as shown in FIG. Since the pH value in the acid fermenter 2 is 16 and the MAP is easily dissolved, it is preferable to add to the acid fermenter 2.
- FIG. 4 is a treatment flow for aerobic treatment of organic wastewater.
- the total particle size Z or average particle size of the recovered MAP6 to be added shall be 0.5 mm or less.
- the addition position of the recovered MAP 6 is the aeration tank 3, but may be supplied to the raw water 5 or may be supplied to the return line 9. Also, if there is a raw water adjustment tank, it may be added to the raw water adjustment tank.
- Recovery MAP6 may be used at the same treatment site as the treatment site from which MAP6 was recovered, or may be transported at another wastewater treatment site.
- the biological treatment apparatus of the present invention comprises an EGSB tank 1, a magnesium phosphate ammonium production tank 10 that receives treated water discharged from the EGSB tank 1, and generates MAP.
- a piping 11 for circulating magnesium phosphate ammonium formation tank 10 force MAP to EGSB tank 1 is provided.
- the pipe 11 is connected to a raw water supply pipe that supplies the raw water 5 to the EGSB tank 1.
- the magnesium phosphate production tank 10 is not particularly limited, it is preferable that it has a configuration that supports the production of MAP and facilitates the introduction of the produced MAP into the pipe 11.
- the magnesium phosphate producing tank 10 a liquid cyclone, a settling tank, or the like which is equipped with a stirring device and enables solid-liquid separation can be preferably used.
- a place that is a hydrocyclone by connecting the pipe 11 to the bottom and extracting the generated MAP particles from the bottom of the hydrocyclone, it is possible to easily circulate the MAP in the biological treatment apparatus.
- the magnesium phosphate ammonium formation tank 10 is provided with means 12 for adding magnesium, ammonium and Z or phosphorus as necessary, and further, a pH adjustment means (not shown) is provided.
- the average particle diameter of the MAPs produced in the magnesium phosphate ammonium formation tank 10, which is preferably provided to control the crystal growth of the MAPs, is preferably provided to control the crystal growth of the MAPs, to not more than 0.5 mm.
- the MAP generation time may be shortened and not grown to 0.5 mm or more, or the MAP recovered by solid-liquid separation may be pulverized to a size of 0.5 mm or less.
- Raw water to be treated in the treatment apparatus is supplied to the E GSB tank 1 together with MAP as a mineral nutrient salt to be treated anaerobically (EGSB).
- the treated water containing at least phosphorus is sent to a magnesium phosphate producing tank 10.
- magnesium, ammonium and / or phosphorus is added to the treated water to adjust the pH, etc., and MAP having an average particle size of 0.5 mm or less is obtained.
- the prepared MAP or the recovered MAP is added to the raw water 5 through the pipe 11 and is again used for biological treatment of the raw water.
- the biological treatment apparatus may include an acid fermenter 2.
- the piping 11 can be arranged so as to introduce a magnesium phosphate having 10 powers of magnesium phosphate producing tank into the acid fermenter 2.
- the pipe 11 is connected to a raw water supply pipe that supplies the raw water 5 to the acid fermentation tank 2.
- the recovered MAP 500 mg / littore was added.
- MAP was recovered from the separated solution of digested sludge.
- the particle size of the recovered MAP was 2. O mm, but it was crushed and used as 0.2 mm or less.
- Raw water BOD 42 The BOD of the treated water was 420 mg / liter relative to OOmg Z liters, and the BOD removal rate was 90%.
- the methanogenesis activity of the sludge was measured, it was 0.8 kg_B ⁇ D / kg-sludge Z d.
- PO-P in treated water is 30 mg Z liter
- NH-N is 10 mg / litre
- the pH in the anaerobic treatment step was 7.5.
- Example 2 the use of the recovery MAP in the processing apparatus shown in FIG. 3 was evaluated.
- the procedure was the same as in Example 1 except that the addition position of the recovered MAP was changed to the acid fermenter 2. That is, an average particle size of 2.O mm of the MAP collected from the separated liquid of digested sludge is crushed and added to the acid fermenter 2 as particles having an average particle size of 0.2 mm or less at an addition amount of 500 mg / litre.
- the BOD of treated water 7 from EGSB tank 1 maintained at pH 7.5, the methanogenesis activity of treated sludge, and P 01 P and NH-N in the treated water were measured.
- analysis of BOD is the sewage treatment test method
- the methanogenesis activity is measured as the amount of methane gas generated by shaking a closed vessel mixed with granular sludge, culture medium, and wastewater, and PO -P is N by molybdenum blue absorption photometry.
- H-N was measured by indophene blue spectrophotometry respectively.
- the BOD of the raw water was 4200 mg / liter, while the BOD of the treated water was 400 mg / liter, and the BOD removal rate was 90.5%. Further, the methanogenesis activity of the treated sludge was 0.8 kg_B • D / kg ⁇ sludge Zday, as in the first embodiment.
- Example 3 the recycling use of MAP in the biological treatment apparatus shown in FIG. 6 was evaluated as the utilization of the recovered MAP.
- the treatment apparatus shown in FIG. 6 receives the treated water discharged from EGSB tank 1 and EGSB tank 1 and generates magnesium phosphate ammonium to generate MAP.
- a tank 10 and a piping 11 for circulating a magnesium phosphate ammonium generation tank 10 force MAP to the EGSB tank 1 are provided.
- the piping 11 is connected to the raw water supply piping.
- an acid fermenter 2 is provided upstream of the EGSB tank 1, and the acid fermenter 2 is configured to introduce raw water 5 and MAP 6 from a raw water supply pipe.
- MAP particles having an average particle diameter of 0.2 mm were added to the raw water 5 to perform biological treatment.
- Treated water 7 discharged from EGSB tank 1 is received in magnesium phosphate generator 10 and magnesium salt and ammonium salt which are insufficient for MAP formation are added, and pH is further increased to 8.0-9.5.
- MAP was generated and recovered as lOOmg / l of MAP particles having an average particle size of 0.5mm or less.
- the average particle size of the MAP particles was adjusted to not more than 0.5 mm by adjusting the residence time of the MAP particles in the magnesium phosphate formation tank 10 to 1 day or less.
- the average particle diameter of the MAP particles was measured using a particle size distribution measuring device by the appropriate laser diffraction method.
- the recovered MAP particles 100 mg / liter were again added to the raw water 5 in the raw water supply pipe through the pipe 11. Further, 400 mg / liter of new MAP particles having an average particle diameter of 0.2 mm or less was added to the raw water 5, and the MAP particles added to the raw water 5 were circulated again in the biological treatment apparatus as a total of 500 mg / liter.
- the biological treatment was carried out in the same manner as in Example 2, and the treated water after biological treatment was measured.
- the BOD of the raw water was 4200 mg / liter, whereas the BOD of the treated water was 400 mg / liter, and the BOD removal rate was 90.5%.
- the methanogenesis activity of the treated sludge was 0.8 kg-BDD / kg_sludge / day, as in Example 1.
- Example 2 In the same manner as in Example 1, when anaerobic treatment of paper pulp production process wastewater was carried out, the recovered MAP was added so as to be 500 mg Z liter. The MAP was not crushed, and 2 mm was added.
- Raw water BOD The treated water had a BOD of 2000 mg and a BOD removal rate of 50% with respect to 4000 mg / liter.
- the methanogenesis activity of the sludge was measured, it was 0.5 kg _BOD / kg-sludge / d, and the activity was lower than that of Example 1.
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Activated Sludge Processes (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/564,448 US7318896B2 (en) | 2003-07-14 | 2004-07-13 | Method and apparatus for utilization of recovered magnesium ammonium phosphate |
| EP04747427A EP1650170B1 (en) | 2003-07-14 | 2004-07-13 | Method and use of an apparatus of utilizing recovered magnesium ammonium phosphate |
| JP2005511567A JP4455498B2 (ja) | 2003-07-14 | 2004-07-13 | 回収リン酸マグネシウムアンモニウムの利用方法及び装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-274114 | 2003-07-14 | ||
| JP2003274114 | 2003-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005005328A1 true WO2005005328A1 (ja) | 2005-01-20 |
Family
ID=34056053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/009961 Ceased WO2005005328A1 (ja) | 2003-07-14 | 2004-07-13 | 回収リン酸マグネシウムアンモニウムの利用方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7318896B2 (ja) |
| EP (1) | EP1650170B1 (ja) |
| JP (1) | JP4455498B2 (ja) |
| CN (1) | CN100488894C (ja) |
| WO (1) | WO2005005328A1 (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007076953A1 (de) * | 2005-12-23 | 2007-07-12 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Anaerobe reinigung von abwasser |
| CN100348515C (zh) * | 2005-12-15 | 2007-11-14 | 湖南大学 | 城市污水综合处理装置 |
| JP2010142691A (ja) * | 2008-12-16 | 2010-07-01 | Osaka Gas Co Ltd | 複合メタン発酵による有機廃棄物の処理方法及び処理装置 |
| CN103058367A (zh) * | 2013-01-22 | 2013-04-24 | 哈尔滨工业大学 | 利用egsb-消化池处理低温难降解工业废水的装置 |
| JP2013184107A (ja) * | 2012-03-07 | 2013-09-19 | Osaka Gas Co Ltd | 茶滓含有排水の可溶化方法 |
| JP2014104387A (ja) * | 2012-11-26 | 2014-06-09 | Swing Corp | 汚泥処理装置およびリンの製造方法 |
| CN104944578A (zh) * | 2015-07-08 | 2015-09-30 | 哈尔滨工业大学 | 一种利用泥水双循环厌氧反应器处理难降解工业废水的方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100949564B1 (ko) * | 2001-10-12 | 2010-03-25 | 에바라 엔지니어링 서비스 가부시키가이샤 | 결정석출법에 의한 액중 이온의 제거방법 및 장치 |
| AU2003903646A0 (en) * | 2003-07-16 | 2003-07-31 | Bushwater Holdings Pty Ltd | Waste water treatment |
| TW200925126A (en) * | 2007-12-07 | 2009-06-16 | Ind Tech Res Inst | Sequencing batch membrane bioreactor dealing device and method thereof |
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- 2004-07-13 EP EP04747427A patent/EP1650170B1/en not_active Expired - Lifetime
- 2004-07-13 US US10/564,448 patent/US7318896B2/en not_active Expired - Lifetime
- 2004-07-13 CN CNB2004800200981A patent/CN100488894C/zh not_active Expired - Fee Related
- 2004-07-13 WO PCT/JP2004/009961 patent/WO2005005328A1/ja not_active Ceased
- 2004-07-13 JP JP2005511567A patent/JP4455498B2/ja not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100348515C (zh) * | 2005-12-15 | 2007-11-14 | 湖南大学 | 城市污水综合处理装置 |
| WO2007076953A1 (de) * | 2005-12-23 | 2007-07-12 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Anaerobe reinigung von abwasser |
| JP2010142691A (ja) * | 2008-12-16 | 2010-07-01 | Osaka Gas Co Ltd | 複合メタン発酵による有機廃棄物の処理方法及び処理装置 |
| JP2013184107A (ja) * | 2012-03-07 | 2013-09-19 | Osaka Gas Co Ltd | 茶滓含有排水の可溶化方法 |
| JP2014104387A (ja) * | 2012-11-26 | 2014-06-09 | Swing Corp | 汚泥処理装置およびリンの製造方法 |
| CN103058367A (zh) * | 2013-01-22 | 2013-04-24 | 哈尔滨工业大学 | 利用egsb-消化池处理低温难降解工业废水的装置 |
| CN103058367B (zh) * | 2013-01-22 | 2014-02-05 | 哈尔滨工业大学 | 利用egsb-消化池处理低温难降解工业废水的装置 |
| CN104944578A (zh) * | 2015-07-08 | 2015-09-30 | 哈尔滨工业大学 | 一种利用泥水双循环厌氧反应器处理难降解工业废水的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070017865A1 (en) | 2007-01-25 |
| US7318896B2 (en) | 2008-01-15 |
| EP1650170B1 (en) | 2013-01-23 |
| EP1650170A4 (en) | 2010-01-13 |
| JP4455498B2 (ja) | 2010-04-21 |
| JPWO2005005328A1 (ja) | 2006-11-30 |
| CN100488894C (zh) | 2009-05-20 |
| CN1823014A (zh) | 2006-08-23 |
| EP1650170A1 (en) | 2006-04-26 |
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