Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Respirometry techniques and activated sludge models.

O Benes1, H Spanjers, M Holba

  • 1Anglian Water, Praha, Czech Republic.

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|October 4, 2002
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Cesium and iodine release from fluoride-based molten salt reactor fuel.

Physical chemistry chemical physics : PCCP·2021
Same author

Bioremoval of humic acid from water by white rot fungi: exploring the removal mechanisms.

AMB Express·2016
Same author

Dissolved organic nitrogen (DON) during batch denitrification of low concentrations of nitrate using suspended and attached biomass.

Water science and technology : a journal of the International Association on Water Pollution Research·2015
Same author

Joint Raman spectroscopic and quantum chemical analysis of the vibrational features of Cs<sub>2</sub>RuO<sub>4</sub>.

Journal of Raman spectroscopy : JRS·2015
Same author

The influence of hydrolysis induced biopolymers from recycled aerobic sludge on specific methanogenic activity and sludge filterability in an anaerobic membrane bioreactor.

Water research·2013
Same author

Energy self-sufficient sewage wastewater treatment plants: is optimized anaerobic sludge digestion the key?

Water science and technology : a journal of the International Association on Water Pollution Research·2013
Same journal

Effects of microhabitat construction on water-ecosystem coupling in Urban Rivers: integrated assessment of water quality and biodiversity responses in Beijing, China.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Proof-of-principle of Distributed Acoustic Sensing (DAS) for detection of sewer defects, extraneous water intrusion and sewage exfiltration.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Commissioning-phase hydraulic loading and influent quality of a market-fed wastewater plant in Parakou, Bénin: baseline data for adaptive management.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Evaluation of the use of manure-based biochar for trace metal retention in mining-impacted waters.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Operation and clogging mechanisms of a refurbished vertical flow filter treating urine-derived wastewater.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Performance and mechanism of microsand-ballasted flocculation for treating high-turbidity construction wastewater.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
See all related articles

This study refines the Activated Sludge Model No. 1 (ASM No. 1) with an enzymatic model, improving respirometry data fit. Washing sludge samples and considering allylthiourea (ATU) effects enhance accuracy in wastewater treatment analysis.

Area of Science:

  • Environmental Engineering
  • Wastewater Treatment
  • Biochemical Engineering

Background:

  • Activated Sludge Model No. 1 (ASM No. 1) is a standard for simulating wastewater treatment processes.
  • Limitations in ASM No. 1's predictive accuracy for respirometry data necessitate model improvements.
  • Understanding biomass activity and influencing factors is crucial for effective wastewater treatment.

Purpose of the Study:

  • To enhance the predictive capabilities of ASM No. 1 for respirometry experiments.
  • To develop and validate an 'Enzymatic model' as a modification of ASM No. 1.
  • To investigate the impact of biomass pre-conditioning and allylthiourea (ATU) on respirometry results.

Main Methods:

  • Application and modification of Activated Sludge Model No. 1 (ASM No. 1).

Related Experiment Videos

  • Development of an 'Enzymatic model' incorporating proposed modifications.
  • Utilized best-fit methods for parameter determination and analyzed respirometry data.
  • Examined effects of biomass washing and allylthiourea (ATU) on sludge activity.

    • Main Results:

    • The modified 'Enzymatic model' showed increased agreement with respirometry data, especially for acetate metabolism.
    • Biomass pre-conditioning methods significantly influenced sample activity and respirometry outcomes.
    • Washing activated sludge with tap water or mineral medium can restore original activity.
    • Allylthiourea (ATU) significantly affects activated sludge activity and respiration rates, impacting analyses.

    Conclusions:

    • The 'Enzymatic model' offers improved simulation accuracy for respirometry data compared to standard ASM No. 1.
    • Biomass pre-treatment and the presence of inhibitors like ATU are critical factors to consider in respirometry studies.
    • Optimized modeling and sample handling protocols are essential for reliable wastewater treatment process assessment.