WO2005100267A1 - 腐植物質を用いた排水処理装置 - Google Patents
腐植物質を用いた排水処理装置 Download PDFInfo
- Publication number
- WO2005100267A1 WO2005100267A1 PCT/JP2004/004817 JP2004004817W WO2005100267A1 WO 2005100267 A1 WO2005100267 A1 WO 2005100267A1 JP 2004004817 W JP2004004817 W JP 2004004817W WO 2005100267 A1 WO2005100267 A1 WO 2005100267A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- humic
- sludge
- tank
- water
- humic substances
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000010802 sludge Substances 0.000 claims abstract description 49
- 241000894006 Bacteria Species 0.000 claims abstract description 29
- 244000005700 microbiome Species 0.000 claims abstract description 17
- 238000004062 sedimentation Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims description 49
- 238000004065 wastewater treatment Methods 0.000 claims description 25
- 239000002351 wastewater Substances 0.000 claims description 18
- 238000005273 aeration Methods 0.000 claims description 11
- 239000003864 humus Substances 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 2
- 235000019645 odor Nutrition 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 5
- 230000000813 microbial effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 description 4
- 230000001877 deodorizing effect Effects 0.000 description 4
- 239000002509 fulvic acid Substances 0.000 description 4
- 229940095100 fulvic acid Drugs 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- -1 iron ions Chemical class 0.000 description 4
- 235000014655 lactic acid Nutrition 0.000 description 4
- 239000004310 lactic acid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000186361 Actinobacteria <class> Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000012867 bioactive agent Substances 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 125000000837 carbohydrate group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000000598 endocrine disruptor Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229940011871 estrogen Drugs 0.000 description 1
- 239000000262 estrogen Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- 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 present invention relates to an activated sludge type wastewater treatment apparatus for subjecting organic wastewater such as human waste and f-water or agricultural settlement wastewater or livestock wastewater to microbial conversion treatment using activated sludge using humic substances.
- a system that purifies organic wastewater such as sewage, agricultural settlement wastewater, or livestock wastewater is treated by aeration, as shown in Fig. 3, for example.
- Activated sludge method including sludge concentrator to reduce volume by dehydration, and other treatment systems such as oxygen-free aerobic method (nitrification and denitrification method), oxidation ditch method and their modification. Is widely used.
- the bad smell and excess sludge generated in the process of decomposing the organic matter are serious problems in environmental hygiene and waste treatment.
- the main causes of such bad odors during sludge treatment are oxygen shortage in some or all parts of the treatment system, causing a reduction state, and nitrogen and sulfur components in wastewater and sludge.
- the components and fatty acids are reduced and decomposed by the action of the microbial degrading enzyme, and organic sulfur compounds such as ammonia, hydrogen sulfide, and volatile amines and mercaptans are generated.
- a method is used in which the generated odor is sucked, introduced into a deodorizing device and treated.
- this deodorizing device include a combustion method that burns odors, an adsorption method that absorbs and removes with activated carbon, and the like.
- the chemical suction method of absorbing with a liquid or hypochlorous acid solution and the biodegradation method of decomposing with a biological carrier are used.
- this wastewater treatment system consists of a flow control tank 11, an aeration tank 21, a sedimentation tank 31 and a sludge thickening tank 41, and purifies organic wastewater using micro-organisms.
- a microorganism mixing device that connects a microorganism culture tank 51 to the sludge concentration tank 41 and adds a mixture of humic substances and microorganisms to the microorganism culture tank 51.
- 61 is connected to suppress the generation of odor of sludge, improve the dewatering property, and reduce the volume of excess sludge.
- An object of the present invention is to provide a wastewater treatment apparatus using humic substances, which further embodies the wastewater treatment system, improves installation easiness, improves treatment speed, and enables large-scale treatment of wastewater.
- the present invention relates to a wastewater treatment apparatus comprising a flow rate adjustment tank, an aeration tank, a sedimentation tank, and a sludge thickening tank, which is provided in a wastewater treatment system for purifying organic wastewater by using microorganisms, wherein the wastewater is extracted from humic substances.
- Humus extract bacteria production means bioreactor
- the humic substances are stored in the humic substances processing means and raw water as organic wastewater. It consists of humic substances and humus-extracting bacteria groups, and is a means of controlling the amount of humic substances that are added and supplied while controlling the amount of humic substances.
- the first feature is that 3 ⁇ 4r is added.
- the second characteristic is to provide water quality inspection means to collect raw water and sludge, which are organic wastewater, to inspect and analyze water quality.
- the humic substances used in the system of the present invention are a mixture of high molecular organic acids that are decomposed by microorganisms in plant residues and microbial mortality soil, and chemically and biologically formed from the decomposition products. It is a high-quality peat containing high-purity minerals, vitamins and amino acids. Iron and minerals dissolved in humic substances are ionized in an anaerobic atmosphere and exist as iron ions and mineralolone, but humic substances contain fulvic acid that dissolves in water and humic acid that does not dissolve in water And the carboxy / le group of this fulvic acid (
- the inflowing raw water comes into contact with finely ground humic substances and humus-extracting bacteria extracted from the humic substances.
- bad bacteria such as bacteria and Escherichia coli contained in the raw water is suppressed, and some of them are killed by degrading enzymes such as secreted proteins and lactic acid.
- the bioactivators humic substances added at the same time act as growth activators of good bacteria, and the undiluted solution containing them is activated sludge bacteria (photosynthetic bacteria, actinomycetes, and filaments) in the next reactor. Bacteria). After that, proliferation activity by continuous addition
- FIG. 1 is a schematic diagram showing a configuration of a wastewater treatment device according to the present invention.
- 2 and 3 are schematic diagrams showing the configuration of a conventional wastewater treatment system.
- FIG. 1 is a configuration diagram showing one embodiment of a wastewater treatment system provided with a wastewater treatment device of the present invention.
- 1 is a water quality inspection device 1 that introduces organic raw wastewater to be treated or polluted water BW into the circulation ⁇ : via the pump 2 and the water intake 2La, the drains 1L and 2LB ⁇ . Perform water quality analysis of oxygen reduction potential, dissolved acid forbidden amount, suspended matter amount, electric conductivity, and temperature.
- the information signal of the water quality analysis result is sent to the addition amount control device 5 via the communication line DL 1, and the addition amount control device 5 causes the influx of the substance obtained by mixing the humic substances and the humus-extracting bacteria into the raw water BW. Is controlled and sent to the pump 6 via the communication line DL2. That is, in the humus extract bacteria production apparatus (bioreactor) 3, the humic substances, which are obtained by controlling the growth of the effective bacteria extracted from the humic substances and the microorganisms, are transferred to the humic substance processing apparatus 4 via the humic substance channel 3 L. After being introduced, pulverization, mixing, and extraction of the active ingredient are performed in the stirring tank 4A, and are temporarily stored in the storage tank 4B via the flow path 4AL. The storage tank 4B is connected to the pump 6 by a flow path 4BL.
- Humus extract bacteria production equipment (bioreactor) 3 extracts humic substances Lactic acid bacteria and yeasts, which are representative good bacteria that have been released, are cultured at a high concentration to produce high-quality good microorganisms, which are fed into the humic substance processing apparatus 4 in a fresh state.
- the humic substance extraction cultivation group-humidification processing time / mixing time of the humic substances is set to predetermined values in advance.
- humic substances finely ground to easily react with microorganisms and microorganisms extracted from the humus for example, lactic acid bacteria and / or yeasts in the humic microorganisms are extracted and cultured.
- humic substances are powdered and dissolved in water to elute fulvic acid, and at the same time, iron flupoate and the like are generated by mixing with iron ions and mineral ions present in the humic substances. Since iron fulvic acid and the like are in a state in which all microbial powers including activated sludge can be easily ingested, they can be a bioactive agent that activates effective microorganisms that decompose organic matter.
- the wastewater treatment apparatus of the present invention appropriately adds a mixture of humic substances and humus-extracting bacteria to the raw water BW before flowing into the water treatment system 10 according to the water quality of the raw water BW. . Therefore, the water quality inspection device 1 is not always necessary, and the amount of addition may be controlled based on water quality data collected in advance using a separate ⁇ stage from the raw water BW.
- the wastewater treatment system 1 shown in FIG. 21 of 0 is an aeration tank for decomposing organic substances such as OBOD components in the treated water, and has an air rate means (not shown).
- 1 1 is the water to be treated to be supplied to the aeration tank 2 1 (flow control tank provided for flow control.
- 3 1 is sedimentation and separation of sludge from the treated water after aeration to obtain clean treated water.
- the sedimentation tank, 41 is a sludge concentration tank that further concentrates the sludge separated and settled.
- Activated sludge treatment of organic wastewater which is raw water BW
- using the wastewater treatment equipment of the above embodiment is described as follows.
- the humic active liquid this substance (hereinafter referred to as the humic active liquid) with the pump 6 from the humic active liquid circulation channel 6 L to the raw water in the raw water inlet 7
- the raw water mixed with the humus active liquid is introduced into the aeration tank 21 from the treated water introduction channel 11 L, and the organic matter such as BOD components in the water to be treated is treated by the air from the aerator (not shown). Is decomposed.
- the treated water aerated in the aeration tank 21 is introduced into the sedimentation tank 31 from the treated water outlet channel 21 and stays there for a certain period of time, while the sludge in the water is settled and separated, resulting in clean supernatant water.
- the sediment is discharged from the clean water discharge channel 8 to the outside of the treatment system, and the sedimentation and sediment obtained by sedimentation is discharged from the sedimentation sludge discharge channel 3 1 L and partly aerated in the aeration tank 2. Return to 1 and the remainder is introduced into the sludge thickening tank 41.
- the settled sludge introduced into the sludge thickening tank 41 is reformed in the sludge thickening tower 41 by contact with the humic substances again.
- the mechanism of odor generation is based on the fact that already decomposed low-molecular sulfur and nitrogen compounds are generated as hydrogen sulfide and ammonia. It is incorporated as hydrogen bonds (van der Waals bonds) into high molecular organic acids in humic substances, which are extremely stable substances that are not decomposed, and prevents them from being formed as hydrogen sulfide or ammonia. In addition, polycondensation, which occurs during the process of sludge humification itself, is also incorporated into high-molecular organic acids, thereby suppressing malodor.
- the settled sludge from the settling tank 31 was fed into the sludge thickening tank 41 for 100 m / day and stored for 48 hours. Further, the humus active solution was supplied to the raw water BW before flowing into the flow rate control tank 10 at 50 in 3 days. Note that the processing amount of the raw water BW is 1 0 0 m 3 Bruno days, 6 0 0 ⁇ pm s ammonia concentration hydrogen sulfide concentration in the air in the sludge concentration tank 4 was 2 5 ⁇ 3 0 ppm.
- the concentration of hydrogen sulfide in the air discharged from sedimentation tank 3 was 50 ppm or less and the concentration of ammonia was 5 ppm or less, and the offensive odor was reduced. In addition, the amount of excess sludge was reduced by half.
- the generation of offensive odor during activated sludge treatment can be suppressed and waste sludge can be significantly reduced without installing a deodorizing facility, and as a result, equipment costs and operating costs are reduced. There is an excellent effect that the cost is low and the maintenance is easy.
- the device of the present invention can be added to existing wastewater treatment processes such as public sewerage, agricultural settlement drainage, livestock sewage, etc., to proliferate activated sludge, and to improve humus extraction by using good bacteria (yeast, lactic acid bacteria, etc.).
- good bacteria yeast, lactic acid bacteria, etc.
- Deodorization of the plant, (2) reduction of sludge in half and reuse as good fertilizer, and (3) reduction of endocrine disrupters (concentrations of biderojeyun, estrogen, etc.) can be achieved.
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Biological Wastes In General (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006512187A JPWO2005100267A1 (ja) | 2004-03-30 | 2004-03-30 | 腐植物質を用いた排水処理装置 |
PCT/JP2004/004817 WO2005100267A1 (ja) | 2004-03-30 | 2004-03-30 | 腐植物質を用いた排水処理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/004817 WO2005100267A1 (ja) | 2004-03-30 | 2004-03-30 | 腐植物質を用いた排水処理装置 |
Publications (1)
Publication Number | Publication Date |
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WO2005100267A1 true WO2005100267A1 (ja) | 2005-10-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/004817 WO2005100267A1 (ja) | 2004-03-30 | 2004-03-30 | 腐植物質を用いた排水処理装置 |
Country Status (2)
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JP (1) | JPWO2005100267A1 (ja) |
WO (1) | WO2005100267A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007196172A (ja) * | 2006-01-27 | 2007-08-09 | Mitsui Eng & Shipbuild Co Ltd | 腐植性物質抽出液、固形処理剤、濃縮処理剤及びこれらを用いた有機性廃水の処理方法 |
JP2008011814A (ja) * | 2006-07-07 | 2008-01-24 | Unicon Engineering Co Ltd | 循環型再生水利用方法 |
JP2009142231A (ja) * | 2007-12-17 | 2009-07-02 | Universal Consultant Kk | 有機性排水処理の遠隔制御による循環型再生水利用方法 |
JP2013099712A (ja) * | 2011-11-08 | 2013-05-23 | Mitsui Eng & Shipbuild Co Ltd | 活性汚泥処理法、活性汚泥処理剤、活性汚泥処理装置および活性汚泥処理システム |
JP2014208322A (ja) * | 2013-03-28 | 2014-11-06 | クボタ環境サ−ビス株式会社 | 汚水処理プラントの運転方法、運転制御装置及び汚水処理プラント |
WO2019046574A1 (en) * | 2017-08-30 | 2019-03-07 | Chemtreat, Inc. | METHODS AND SYSTEMS FOR WATER DEODORIZATION |
JP2021104489A (ja) * | 2019-12-26 | 2021-07-26 | クボタ環境サ−ビス株式会社 | 水処理設備及び水処理方法 |
Citations (3)
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JP2001334285A (ja) * | 2000-05-25 | 2001-12-04 | Japan Organo Co Ltd | 有機性排水の生物処理装置 |
JP2002233888A (ja) * | 2001-02-07 | 2002-08-20 | Aoki Denki Kogyo Kk | 排水浄化システム |
JP2003225694A (ja) * | 2002-02-06 | 2003-08-12 | Masaki Envec:Kk | 腐植物質を用いた廃水処理システム |
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2004
- 2004-03-30 JP JP2006512187A patent/JPWO2005100267A1/ja active Pending
- 2004-03-30 WO PCT/JP2004/004817 patent/WO2005100267A1/ja active Application Filing
Patent Citations (3)
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JP2001334285A (ja) * | 2000-05-25 | 2001-12-04 | Japan Organo Co Ltd | 有機性排水の生物処理装置 |
JP2002233888A (ja) * | 2001-02-07 | 2002-08-20 | Aoki Denki Kogyo Kk | 排水浄化システム |
JP2003225694A (ja) * | 2002-02-06 | 2003-08-12 | Masaki Envec:Kk | 腐植物質を用いた廃水処理システム |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007196172A (ja) * | 2006-01-27 | 2007-08-09 | Mitsui Eng & Shipbuild Co Ltd | 腐植性物質抽出液、固形処理剤、濃縮処理剤及びこれらを用いた有機性廃水の処理方法 |
JP2008011814A (ja) * | 2006-07-07 | 2008-01-24 | Unicon Engineering Co Ltd | 循環型再生水利用方法 |
JP2009142231A (ja) * | 2007-12-17 | 2009-07-02 | Universal Consultant Kk | 有機性排水処理の遠隔制御による循環型再生水利用方法 |
JP2013099712A (ja) * | 2011-11-08 | 2013-05-23 | Mitsui Eng & Shipbuild Co Ltd | 活性汚泥処理法、活性汚泥処理剤、活性汚泥処理装置および活性汚泥処理システム |
JP2014208322A (ja) * | 2013-03-28 | 2014-11-06 | クボタ環境サ−ビス株式会社 | 汚水処理プラントの運転方法、運転制御装置及び汚水処理プラント |
WO2019046574A1 (en) * | 2017-08-30 | 2019-03-07 | Chemtreat, Inc. | METHODS AND SYSTEMS FOR WATER DEODORIZATION |
US11420883B2 (en) | 2017-08-30 | 2022-08-23 | Chemtreat, Inc | Method and system for controlling odor in water system |
JP2021104489A (ja) * | 2019-12-26 | 2021-07-26 | クボタ環境サ−ビス株式会社 | 水処理設備及び水処理方法 |
JP7345389B2 (ja) | 2019-12-26 | 2023-09-15 | クボタ環境エンジニアリング株式会社 | 水処理設備及び水処理方法 |
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