Results 11 to 20 of about 696 (105)

MAXIMIZING THE CAPACITY OF WASTEWATER TREATMENT - STUDY OF AUTOTHERMAL THERMOPHILIC AEROBIC DIGESTION

Chemical Engineering Transactions, 2009
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J. Rojas, T. Zhelev
doaj   +2 more sources

Use of PCR-DGGE Based Molecular Methods to Analyse Microbial Community Diversity and Stability during the Thermophilic Stages of an ATAD Wastewater Sludge Treatment Process as an Aid to Performance Monitoring. [PDF]

ISRN Biotechnol, 2013
PCR and PCR‐DGGE techniques have been evaluated to monitor biodiversity indexes within an ATAD (autothermal thermophilic aerobic digestion) system treating domestic sludge for land spread, by examining microbial dynamics in response to elevated temperatures during treatment.
Piterina AV, Pembroke JT.
europepmc   +2 more sources

Content of Polycyclic Aromatic Hydrocarbons (PAHs) and Other Compounds in Autothermal Thermophilic Aerobic Digestion (ATAD) Leachates—The Issue of Returned Leachates

Proceedings, 2020
Sewage sludge is a by-product of the municipal wastewater treatment process. The amount of sewage sludge generated in treatment plants in Poland and other European countries is constantly growing.
Dariusz Boruszko, Ada Wojciula
doaj   +2 more sources

Simulation of Heat-integrated Autothermal Thermophilic Aerobic Digestion System Operating under Uncertainties through Artificial Neural Network

Chemical Engineering Transactions, 2019
The aim of the study is verification of a stochastic optimization approach for redesign of heat-integrated two-stage Autothermal Thermophilic Aerobic Digestion (ATAD) bioreactors system for municipal wastewater treatment operating under uncertainties. It
Natasha Grigorova Vaklieva-Bancheva, Rayka Kirilova Vladova, Elisaveta Georgieva Kirilova   +2 more
doaj   +2 more sources

Dynamic bacterial community changes in the autothermal thermophilic aerobic digestion process with cell lysis activities, shaking and temperature increase

Journal of Bioscience and Bioengineering, 2018
Autothermal thermophilic aerobic digestion (ATAD) is conducted for stabilization of sludge waste and is driven by the action of various microorganisms under aerobic conditions.
Kenji Sakai, Yuki Okugawa, Yukihiro Tashiro   +2 more
exaly   +2 more sources

DROP IN CONDUCTIVITY OF SEWAGE SLUDGE IN THE PROCESS OF AUTOTHERMAL THERMOPHILIC AEROBIC DIGESTION

Journal of Ecological Engineering, 2017
The article presents research on the assessment of electrolytic conductivity changes of sludge during the process of its autothermal thermophilic aerobic digestion (ATAD), which takes place in a two-stage installation system, operating in a municipal ...
I. Bartkowska
semanticscholar   +2 more sources

Molecular Analysis of Bacterial Community DNA in Sludge Undergoing Autothermal Thermophilic Aerobic Digestion (ATAD): Pitfalls and Improved Methodology to Enhance Diversity Recovery

Diversity, 2010
Molecular analysis of the bacterial community structure associated with sludge processed by autothermal thermophilic aerobic digestion (ATAD), was performed using a number of extraction and amplification procedures which differed in yield, integrity ...
Anna V. Piterina, John Bartlett, J. Tony Pembroke   +2 more
doaj   +2 more sources

A Unique Autothermal Thermophilic Aerobic Digestion Process Showing a Dynamic Transition of Physicochemical and Bacterial Characteristics from the Mesophilic to the Thermophilic Phase. [PDF]

Appl Environ Microbiol, 2018
Tashiro Y, Kanda K, Asakura Y, Kii T, Cheng H, Poudel P, Okugawa Y, Tashiro K, Sakai K.   +8 more
europepmc   +2 more sources

Kinetics of autothermal thermophilic aerobic digestion – application and extension of Activated Sludge Model No 1 at thermophilic temperatures

Water Science and Technology, 2007
The application of an ASM1-based mathematical model for the modeling of autothermal thermophilic aerobic digestion is demonstrated. Based on former experimental results the original ASM1 was extended by the activation of facultative thermophiles from the feed sludge and a new component, the thermophilic biomass was introduced.
Robert Kovacs
exaly   +3 more sources

Efficiency of autothermal thermophilic aerobic digestion and thermophilic anaerobic digestion of municipal wastewater sludge in removing Salmonella spp. and indicator bacteria

Water Science and Technology, 2003
The study is focused on the comparison of autothermal thermophilic aerobic digestion, thermophilic and mesophilic anaerobic digestion, based on long term monitoring of all processes in full-scale wastewater treatment plants, with an emphasis on the efficiency in destroying pathogens.
Dohányos M
exaly   +3 more sources