RU2001107599A - METHODS FOR MEASURING NITRIFICATION SPEEDS AND DENITRIFICATION AND NOX IN A LIQUID - Google Patents
METHODS FOR MEASURING NITRIFICATION SPEEDS AND DENITRIFICATION AND NOX IN A LIQUIDInfo
- Publication number
- RU2001107599A RU2001107599A RU2001107599/12A RU2001107599A RU2001107599A RU 2001107599 A RU2001107599 A RU 2001107599A RU 2001107599/12 A RU2001107599/12 A RU 2001107599/12A RU 2001107599 A RU2001107599 A RU 2001107599A RU 2001107599 A RU2001107599 A RU 2001107599A
- Authority
- RU
- Russia
- Prior art keywords
- liquid
- sample
- specified
- ammonia
- rate
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims 23
- 239000000523 sample Substances 0.000 claims 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 6
- 230000000737 periodic Effects 0.000 claims 5
- 239000005416 organic matter Substances 0.000 claims 4
- 239000002351 wastewater Substances 0.000 claims 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims 2
Claims (27)
или
где NR является скоростью нитрификации, Δt является t3-t2 и Δ[NН3] является [NH3] 1-[NН3] 2 или Δ[NH4 +] является [NH4 +] 1-[NH4 +] 2.1. A method for measuring the rate of nitrification in a liquid, which includes: a) separating a liquid sample at time t 0 , b) measuring the concentration of ammonia [NH 3 ] 1 or ammonium [NH 4 + ] 1 present in the specified sample in a given time t 1 , c) separating another sample of liquid and introducing air into another sample of liquid after another predetermined time t 2 , d) stopping the introduction of air into another sample of liquid and adjusting the pH level of another sample at time t 3 , e) registering another values ammonia [NH 3] 2 or ammonium [NH 4 +] 2 in another pro e in a predetermined time t 4 and f) determining the nitrification rate of the liquid according to the following formula:
or
where NR is the nitrification rate, Δt is t 3 -t 2 and Δ [NH 3 ] is [NH 3 ] 1 - [NH 3 ] 2 or Δ [NH 4 + ] is [NH 4 + ] 1 - [NH 4 + ] 2 .
или
где NR является скоростью нитрификации, Δt является t1-t2 и Δ[NН3] является [NН3] 1-[NН3] 2 или Δ[NH4 +] является [NH4 +] 1-[NH4 +] 2.11. A method for measuring the rate of nitrification in liquids, including: a) separating the first and second samples of liquid and introducing air into the specified second sample of liquid at time t 0 , b) measuring the concentration of ammonia [NH 3 ] 1 or ammonium [NH 4 + ] 1 present in said first sample, c) stopping the introduction of air into said second sample at time t 1 , d) measure the concentration of ammonia [NH 3 ] 2 or ammonium [NH 4 + ] 2 present in said second sample, and e) determining the rate of nitrification of the liquid in accordance with the following formula is:
or
where NR is the nitrification rate, Δt is t 1 -t 2 and Δ [NH 3 ] is [NH 3 ] 1 - [NH 3 ] 2 or Δ [NH 4 + ] is [NH 4 + ] 1 - [NH 4 + ] 2 .
,
где а и b являются линейными коэффициентами зонда NOx, f) определение изменения в NOx в указанной пробе в соответствии со следующей формулой:
Δ[NOx] = [NОx] 2-[NОx] 1
и g) определение концентрации NOx в пробе в соответствии со следующей формулой:
где Δt является t2-t1.21. A method of measuring NO x in a liquid, including: a) separating a liquid sample, b) adjusting the pH and / or ionic strength of the specified sample at time t 0 , c) recording the value of mV 1 shown in the specified sample, when using a selective NO x probe at a given time t 1 , d) recording another mV 2 value shown in the specified sample after another specified time t 2 , e) determining the NO x concentration in the specified sample at each of the given time t 1 and t 2 in accordance with the following formula:
,
where a and b are linear coefficients of the NO x probe, f) determination of the change in NO x in the specified sample in accordance with the following formula:
Δ [NO x ] = [NO x ] 2 - [NO x ] 1
and g) determining the concentration of NO x in the sample in accordance with the following formula:
where Δt is t 2 -t 1 .
где Δ[NОх] является [NОx] 1-[NOx] 2 и Δt= t2-t1.24. A method of measuring the rate of denitrification in a liquid, which includes: a) separating a liquid sample at time t 0 , b) measuring the concentration of [NO x ] 1 present in the sample at a given time t 1 , c) measuring the concentration [ NO x ] 2 present in said sample at a given time t 2 and d) determining the rate of denitrification of the liquid in accordance with the following formula:
where Δ [NO x ] is [NO x ] 1 - [NO x ] 2 and Δt = t 2 -t 1 .
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/136,105 US6143246A (en) | 1998-08-18 | 1998-08-18 | Apparatus for measuring ammonia in biochemical processes |
US09/136,105 | 1998-08-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2001107599A true RU2001107599A (en) | 2003-04-20 |
RU2228523C2 RU2228523C2 (en) | 2004-05-10 |
Family
ID=22471324
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2001107599/12A RU2228523C2 (en) | 1998-08-18 | 1999-08-04 | METHODS MEASURING RATES OF NITRIFICATION AND DENITRIFICATION AND NOx IN LIQUID |
RU2001114430/12A RU2001114430A (en) | 1998-08-18 | 2001-05-30 | DEVICES AND METHOD FOR MEASURING AMMONIA IN LIQUIDS |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2001114430/12A RU2001114430A (en) | 1998-08-18 | 2001-05-30 | DEVICES AND METHOD FOR MEASURING AMMONIA IN LIQUIDS |
Country Status (15)
Country | Link |
---|---|
US (2) | US6143246A (en) |
EP (1) | EP1105726A1 (en) |
JP (1) | JP2002523227A (en) |
KR (1) | KR20010079660A (en) |
CN (1) | CN1153966C (en) |
AR (1) | AR020191A1 (en) |
AU (1) | AU752613B2 (en) |
BR (1) | BR9913119A (en) |
CA (1) | CA2340654C (en) |
MY (1) | MY133463A (en) |
NZ (1) | NZ509800A (en) |
RU (2) | RU2228523C2 (en) |
TW (1) | TW425477B (en) |
WO (1) | WO2000011464A1 (en) |
ZA (1) | ZA994692B (en) |
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DE10024903B4 (en) * | 2000-05-19 | 2010-01-07 | WTW Wissenschaftlich-Technische Werkstätten GmbH & Co. KG | Apparatus and method for determining dissolved inorganic nitrogen in liquids |
US20040087031A1 (en) * | 2002-11-05 | 2004-05-06 | Simon Richard K. | PH measurement system |
US20040142489A1 (en) * | 2003-01-16 | 2004-07-22 | Prohaska Otto J. | Method and apparatus for determining a concentration of a component in an unknown mixture |
JP2008057888A (en) * | 2006-08-31 | 2008-03-13 | Mitsubishi Heavy Ind Ltd | Water treatment method for steam plant |
US7883898B2 (en) * | 2007-05-07 | 2011-02-08 | General Electric Company | Method and apparatus for measuring pH of low alkalinity solutions |
US8413490B2 (en) * | 2008-09-12 | 2013-04-09 | Sri International | Modular underwater sampling apparatus |
US8785207B2 (en) * | 2008-09-12 | 2014-07-22 | Sri International | Method and apparatus for measuring multiple parameters in-situ of a sample collected from environmental systems |
JP2012200705A (en) * | 2011-03-28 | 2012-10-22 | Swing Corp | Nitrogen-containing wastewater treatment method and apparatus |
US8945936B2 (en) | 2011-04-06 | 2015-02-03 | Fresenius Medical Care Holdings, Inc. | Measuring chemical properties of a sample fluid in dialysis systems |
JP5685504B2 (en) * | 2011-08-10 | 2015-03-18 | 川崎重工業株式会社 | Water treatment system and aeration air volume control method thereof |
GB201407575D0 (en) * | 2014-04-30 | 2014-06-11 | Kanichi Res Services Ltd | Ammonia trap |
CN105936551B (en) * | 2016-07-15 | 2018-10-09 | 重庆大学 | A kind of method of nitrosation rate and nitrite degradation rate during detection sewage water denitrification |
CN109239142B (en) * | 2018-09-14 | 2020-07-28 | 华东师范大学 | Method and device for measuring denitrification rate of sediment |
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1998
- 1998-08-18 US US09/136,105 patent/US6143246A/en not_active Expired - Lifetime
-
1999
- 1999-07-21 ZA ZA9904692A patent/ZA994692B/en unknown
- 1999-07-22 MY MYPI99003102A patent/MY133463A/en unknown
- 1999-08-04 CN CNB998109827A patent/CN1153966C/en not_active Expired - Fee Related
- 1999-08-04 CA CA002340654A patent/CA2340654C/en not_active Expired - Fee Related
- 1999-08-04 NZ NZ509800A patent/NZ509800A/en unknown
- 1999-08-04 JP JP2000566669A patent/JP2002523227A/en active Pending
- 1999-08-04 AU AU53342/99A patent/AU752613B2/en not_active Ceased
- 1999-08-04 BR BR9913119-6A patent/BR9913119A/en not_active IP Right Cessation
- 1999-08-04 KR KR1020017002101A patent/KR20010079660A/en not_active Application Discontinuation
- 1999-08-04 WO PCT/US1999/017601 patent/WO2000011464A1/en not_active Application Discontinuation
- 1999-08-04 RU RU2001107599/12A patent/RU2228523C2/en not_active IP Right Cessation
- 1999-08-04 EP EP99938970A patent/EP1105726A1/en not_active Withdrawn
- 1999-08-05 TW TW088113393A patent/TW425477B/en not_active IP Right Cessation
- 1999-08-13 AR ARP990104076A patent/AR020191A1/en not_active Application Discontinuation
-
2000
- 2000-07-18 US US09/618,899 patent/US6416652B1/en not_active Expired - Fee Related
-
2001
- 2001-05-30 RU RU2001114430/12A patent/RU2001114430A/en not_active Application Discontinuation
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