DE69929686T2 - Verfahren zum messen der nitrifikationsraten in biochemischen prozessen - Google Patents
Verfahren zum messen der nitrifikationsraten in biochemischen prozessen Download PDFInfo
- Publication number
- DE69929686T2 DE69929686T2 DE69929686T DE69929686T DE69929686T2 DE 69929686 T2 DE69929686 T2 DE 69929686T2 DE 69929686 T DE69929686 T DE 69929686T DE 69929686 T DE69929686 T DE 69929686T DE 69929686 T2 DE69929686 T2 DE 69929686T2
- Authority
- DE
- Germany
- Prior art keywords
- ammonia
- sample
- der
- liquid
- probe
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 68
- 230000003851 biochemical process Effects 0.000 title description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 146
- 239000000523 sample Substances 0.000 claims description 112
- 229910021529 ammonia Inorganic materials 0.000 claims description 52
- 239000007788 liquid Substances 0.000 claims description 31
- 239000002351 wastewater Substances 0.000 claims description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 22
- -1 ammonium ions Chemical class 0.000 claims description 3
- 241000219492 Quercus Species 0.000 claims 4
- 239000011368 organic material Substances 0.000 claims 4
- 230000000737 periodic effect Effects 0.000 claims 4
- 239000000243 solution Substances 0.000 description 46
- 238000001514 detection method Methods 0.000 description 32
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 17
- 238000004458 analytical method Methods 0.000 description 14
- 238000005259 measurement Methods 0.000 description 12
- 238000004065 wastewater treatment Methods 0.000 description 12
- 238000005070 sampling Methods 0.000 description 9
- 239000002028 Biomass Substances 0.000 description 8
- 235000015097 nutrients Nutrition 0.000 description 7
- 239000012482 calibration solution Substances 0.000 description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000010801 sewage sludge Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007483 microbial process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/12—Condition responsive control
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/173076—Nitrite or nitrate
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/173845—Amine and quaternary ammonium
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/173845—Amine and quaternary ammonium
- Y10T436/174614—Tertiary amine
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/173845—Amine and quaternary ammonium
- Y10T436/175383—Ammonia
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/177692—Oxides of nitrogen
- Y10T436/178459—Only nitrogen dioxide
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/177692—Oxides of nitrogen
- Y10T436/179228—Both nitrogen oxide and dioxide
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25875—Gaseous sample or with change of physical state
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Activated Sludge Processes (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US206543 | 1998-12-07 | ||
| US09/206,543 US5976888A (en) | 1998-12-07 | 1998-12-07 | Method for measuring NOx in biochemical processes |
| PCT/US1999/010120 WO2000034773A1 (en) | 1998-12-07 | 1999-05-07 | APPARATUS AND METHOD FOR MEASURING NOx AND NITRIFICATION/DENITRIFICATION RATES IN BIOCHEMICAL PROCESSES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69929686D1 DE69929686D1 (de) | 2006-04-13 |
| DE69929686T2 true DE69929686T2 (de) | 2006-09-21 |
Family
ID=22766854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69929686T Expired - Fee Related DE69929686T2 (de) | 1998-12-07 | 1999-05-07 | Verfahren zum messen der nitrifikationsraten in biochemischen prozessen |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US5976888A (enExample) |
| EP (1) | EP1141702B1 (enExample) |
| JP (1) | JP4365038B2 (enExample) |
| CN (1) | CN1153967C (enExample) |
| AR (1) | AR018384A1 (enExample) |
| AT (1) | ATE317121T1 (enExample) |
| AU (1) | AU765651B2 (enExample) |
| BR (1) | BR9916024A (enExample) |
| CA (1) | CA2353991C (enExample) |
| DE (1) | DE69929686T2 (enExample) |
| RU (1) | RU2224251C2 (enExample) |
| TW (1) | TW513572B (enExample) |
| WO (1) | WO2000034773A1 (enExample) |
| ZA (1) | ZA993303B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6706171B2 (en) | 2000-10-12 | 2004-03-16 | Biochem Technology, Inc. | Systems for treating wastewater in a series of filter-containing tanks |
| US8415141B2 (en) * | 2007-08-17 | 2013-04-09 | Qimin You | Enclosed unit for rapid detection of a target nucleic acid amplification product |
| JP2012200705A (ja) * | 2011-03-28 | 2012-10-22 | Swing Corp | 窒素含有排水の処理方法及び装置 |
| JP5685504B2 (ja) * | 2011-08-10 | 2015-03-18 | 川崎重工業株式会社 | 水処理システムおよびその曝気風量制御方法 |
| JP2013039538A (ja) * | 2011-08-18 | 2013-02-28 | Hitachi Plant Technologies Ltd | 廃水処理装置 |
| EP2795295B1 (en) | 2011-12-12 | 2017-10-11 | Step Ahead Innovations, Inc. | Water-quality monitoring system |
| WO2013133443A1 (ja) * | 2012-03-09 | 2013-09-12 | メタウォーター株式会社 | 排水の処理装置、排水の処理方法、および排水の処理システム、並びに制御装置、制御方法、およびプログラム |
| GB201217350D0 (en) * | 2012-09-28 | 2012-11-14 | Strathkelvin Instr Ltd | Device for monitoring wastewater treatment |
| WO2014205230A1 (en) | 2013-06-19 | 2014-12-24 | Step Ahead Innovations Inc. | Aquatic environment water parameter testing systems and methods |
| FR3064625A1 (fr) | 2017-03-30 | 2018-10-05 | Suez Groupe | Procede et dispositif de traitement d'eau residuaire |
| CN109239142B (zh) * | 2018-09-14 | 2020-07-28 | 华东师范大学 | 一种沉积物反硝化速率的测定方法及测定装置 |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3348409A (en) * | 1963-09-19 | 1967-10-24 | Robert M Arthur | Method and apparatus for analyzing gas absorption and expiration characteristics |
| US3354057A (en) * | 1963-09-27 | 1967-11-21 | Allied Chem | Method and apparatus for determination of water in liquid ammonia |
| US3374065A (en) * | 1963-12-20 | 1968-03-19 | Toyo Giken Company Ltd | Biochemical oxygen demand continual detecting apparatus |
| US3565583A (en) * | 1968-01-15 | 1971-02-23 | Dohrmann Instr Co | Method and apparatus for determination of nitrogen in water and in oxygenated hydrocarbon matrices |
| US3616273A (en) * | 1968-04-01 | 1971-10-26 | Standard Oil Co | Nitrogen determination and apparatus therefor |
| US3854877A (en) * | 1972-08-07 | 1974-12-17 | Dow Chemical Co | Combination tod-tc analysis method |
| US3877875A (en) * | 1973-07-19 | 1975-04-15 | Beckman Instruments Inc | Nitrogen constituent analysis |
| US4162195A (en) * | 1974-04-04 | 1979-07-24 | Aktiebolaget Kalle-Regulatorer | Biological testing device and method of measuring toxicity of sewage |
| DK521775A (da) | 1975-11-20 | 1977-05-21 | H J I Nielsen | Nitration-selektiv elektrode |
| US4043936A (en) | 1976-02-24 | 1977-08-23 | The United States Of America As Represented By United States Energy Research And Development Administration | Biological denitrification of high concentration nitrate waste |
| US4209299A (en) * | 1978-02-21 | 1980-06-24 | The Regents Of The University Of California | Method and apparatus for determination of volatile electrolytes |
| US4220715A (en) * | 1978-08-03 | 1980-09-02 | Johnston Laboratories, Inc. | Apparatus for and method of detection of significant bacteriuria in urine samples through measurement of head space gas oxygen consumption in a closed-vial system |
| US4277343A (en) * | 1979-03-13 | 1981-07-07 | Paz Jacob D | Method for continuously monitoring and controlling alkalinity for environmental purposes using a pCO2 probe |
| US4216065A (en) * | 1979-06-18 | 1980-08-05 | University Of Delaware | Bio-selective electrode probes using tissue slices |
| US4288229A (en) * | 1980-03-07 | 1981-09-08 | Envirotech Corporation | Determination of total organic carbon in a plurality of aqueous samples containing halide ion |
| US4297173A (en) * | 1980-05-22 | 1981-10-27 | Ajinomoto Company, Incorporated | Method for determining ammonia and sensor therefor |
| JPS5999353A (ja) * | 1982-11-30 | 1984-06-08 | Agency Of Ind Science & Technol | Ｂｏｄの測定方法及びその装置 |
| GB2139610B (en) | 1983-05-10 | 1987-06-03 | Cory & Son Limited Wm | Treatment of an aqueous medium to reduce ammonia content thereof |
| US4666610A (en) * | 1985-05-28 | 1987-05-19 | Aquascience Research Group, Inc. | Method and product for removal of chloramines, chlorine and ammonia from aquaculture water |
| US4845025A (en) * | 1987-11-10 | 1989-07-04 | Coulter Corporation | Biological sample mixing apparatus and method |
| DE3811540A1 (de) * | 1988-04-06 | 1989-10-19 | Gimat | Verfahren zur bestimmung des chemischen sauerstoffbedarfs von brauchwaessern und vorrichtung zur durchfuehrung des verfahrens |
| DK374889D0 (da) * | 1989-07-28 | 1989-07-28 | Koege Kemisk Vaerk | Fremgangsmaade til procesovervaagning |
| DE3932640C2 (de) | 1989-09-29 | 1998-07-23 | Orpegen Med Molekularbioforsch | Verfahren zur Regelung einer Belebtschlamm-Kläranlage anhand gezielter Kontrolle einzelner Parameter |
| US5013442A (en) * | 1990-02-09 | 1991-05-07 | Davis Water & Waste Industries, Inc. | Aerobic wastewater treatment with alkalinity control |
| US5702951A (en) * | 1990-07-04 | 1997-12-30 | Commonwealth Scientific And Industrial Research Organisation | Continuous RBCOD measurement |
| JP2803941B2 (ja) | 1992-06-08 | 1998-09-24 | 富士電機株式会社 | 間欠曝気式活性汚泥法の制御方法 |
| DE4224901A1 (de) * | 1992-07-28 | 1994-02-03 | Peter Dr Junghans | Anordnung und Verfahren zur Bestimmung des Nitrosierungspotentials in einem biochemischen Reaktionssystem mittels der stabilisotopen ·1··5·N-Markierungstechnik |
| SE509036C2 (sv) * | 1993-06-29 | 1998-11-30 | Foss Tecator Ab | Förfarande för mätning av kemiska och fysikaliska parametrar för att karakterisera och klassificera vattensuspensioner |
| US5401412A (en) * | 1993-07-20 | 1995-03-28 | Biochem Technology, Inc. | Method and apparatus for monitoring biological activity in wastewater and controlling the treatment thereof |
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| US5629202A (en) * | 1994-07-19 | 1997-05-13 | Development Center For Biotechnology | Computer-controlled bioreactor system for enzymatic synthesis of L-tryptophan |
| DE19509777A1 (de) * | 1995-03-17 | 1996-09-19 | Grundig Emv | Verfahren zur Bestimmung des Kohlenstoffabbaus und der Nitrifikation in biologischen Systemen |
| JP2798007B2 (ja) | 1995-05-31 | 1998-09-17 | 正利 松村 | 液流式生化学反応装置及び当該装置を用いた地下水又は排水の浄化システム |
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| US5856119A (en) * | 1996-01-22 | 1999-01-05 | Biochem Technology, Inc. | Method for monitoring and controlling biological activity in fluids |
| BE1010432A5 (nl) | 1996-03-15 | 1998-08-04 | Aquafin N V | Een automatisch meetinstrument voor het bepalen van de koolstofstikstof stoichiometrie en de reactiesnelheid van het denitrificatieproces en dat gebaseerd is op een ph-regelaar. |
| US6143246A (en) * | 1998-08-18 | 2000-11-07 | Biochem Technology, Inc. | Apparatus for measuring ammonia in biochemical processes |
-
1998
- 1998-12-07 US US09/206,543 patent/US5976888A/en not_active Expired - Fee Related
-
1999
- 1999-04-23 US US09/298,719 patent/US6248595B1/en not_active Expired - Fee Related
- 1999-05-07 DE DE69929686T patent/DE69929686T2/de not_active Expired - Fee Related
- 1999-05-07 AT AT99920405T patent/ATE317121T1/de not_active IP Right Cessation
- 1999-05-07 WO PCT/US1999/010120 patent/WO2000034773A1/en not_active Ceased
- 1999-05-07 BR BR9916024-2A patent/BR9916024A/pt not_active IP Right Cessation
- 1999-05-07 JP JP2000587177A patent/JP4365038B2/ja not_active Expired - Fee Related
- 1999-05-07 CN CNB998155128A patent/CN1153967C/zh not_active Expired - Fee Related
- 1999-05-07 AU AU37908/99A patent/AU765651B2/en not_active Ceased
- 1999-05-07 CA CA002353991A patent/CA2353991C/en not_active Expired - Fee Related
- 1999-05-07 EP EP99920405A patent/EP1141702B1/en not_active Expired - Lifetime
- 1999-05-07 RU RU2001118847/04A patent/RU2224251C2/ru not_active IP Right Cessation
- 1999-05-13 ZA ZA9903303A patent/ZA993303B/xx unknown
- 1999-05-26 AR ARP990102475A patent/AR018384A1/es unknown
- 1999-06-09 TW TW088109619A patent/TW513572B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1153967C (zh) | 2004-06-16 |
| BR9916024A (pt) | 2005-01-04 |
| EP1141702B1 (en) | 2006-02-01 |
| US5976888A (en) | 1999-11-02 |
| ZA993303B (en) | 1999-11-15 |
| TW513572B (en) | 2002-12-11 |
| AU765651B2 (en) | 2003-09-25 |
| CA2353991C (en) | 2009-01-06 |
| WO2000034773A1 (en) | 2000-06-15 |
| CA2353991A1 (en) | 2000-06-15 |
| AU3790899A (en) | 2000-06-26 |
| RU2224251C2 (ru) | 2004-02-20 |
| JP2003526771A (ja) | 2003-09-09 |
| DE69929686D1 (de) | 2006-04-13 |
| US6248595B1 (en) | 2001-06-19 |
| CN1333872A (zh) | 2002-01-30 |
| JP4365038B2 (ja) | 2009-11-18 |
| ATE317121T1 (de) | 2006-02-15 |
| AR018384A1 (es) | 2001-11-14 |
| EP1141702A1 (en) | 2001-10-10 |
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