Results 41 to 50 of about 21,036 (165)

PENGARUH CO-PRECIPITATION BESI KLORIDA TERHADAP KINERJA LUMPUR AKTIF PADA PROSES PENGOLAHAN AIR LIMBAH DOMESTIK SINTETIK

open access: yesReaktor, 2015
The increase of population leads to an increase of the quantity of domestic wastewater. Activated sludge system is the most cost-efective to treat the domestic wastewater treatment. This study is aimed to evaluate the co-precipitation coagulant effect of
Dian Fatikha Aristiami, I Nyoman Widiasa
doaj   +1 more source

Genome-centric metagenomics reveals the host-driven dynamics and ecological role of CPR bacteria in an activated sludge system

open access: yesMicrobiome, 2023
Background Candidate phyla radiation (CPR) constitutes highly diverse bacteria with small cell sizes and are likely obligate intracellular symbionts. Given their distribution and complex associations with bacterial hosts, genetic and biological features ...
Yulin Wang   +5 more
doaj   +1 more source

The influence of ultrasonic exposure on the biocenosis of activated sludge from treatment facilities of domestic and industrial wastewater [PDF]

open access: yesE3S Web of Conferences
Today, in the context of industrial development, an integral part is the formation of wastewater with the need for its subsequent treatment. The biological method of wastewater treatment is the most effective, safe and reliable.
Shulnikova Alevtina   +4 more
doaj   +1 more source

Effect of simulated dyeing wastewater on microbial domestication and community composition

open access: yesXi'an Gongcheng Daxue xuebao, 2022
In order to explore the selectivity of salt-containing printing and dyeing wastewater to microbial community, the adaptive mechanism of activated sludge to printing and dyeing wastewater was analyzed through the change of microbial community.
MA Jiahan   +3 more
doaj   +1 more source

Application of Hybrid Activated Sludge Reactor to Improve Activated Sludge Process for Oily Wastewater Treatment [PDF]

open access: yesآب و فاضلاب, 2013
Activated sludge process is one of the well-establish methods for biological treatment of oily wastewater, which use in Iranian oil refineries. However, the process involved many problems such as low efficiency at high concentration of hydrocarbon ...
Mehdi Zolfaghari   +3 more
doaj  

Contribution to optimize decision parameters in activated-sludge process using ANFIS model

open access: yesMATEC Web of Conferences, 2017
The monitoring of activated sludge processes is difficult because of their slow dynamics, the complexity of their behavior. To obtain the desired level of performance in an activated sludge system, a proper balance must be maintained between aeration ...
Maachou Radia   +4 more
doaj   +1 more source

Disentangling the Drivers of Diversity and Distribution of Fungal Community Composition in Wastewater Treatment Plants Across Spatial Scales

open access: yesFrontiers in Microbiology, 2018
Activated sludge microbial community composition is a key bio-indicator of the sustainability of wastewater treatment systems. Therefore, a thorough understanding of the activated sludge microbial community dynamics is critical for environmental ...
Haihan Zhang   +22 more
doaj   +1 more source

CONDITIONING PROCESS AND CHARACTERIZATION OF FRESH ACTIVATED SLUDGE [PDF]

open access: yesJournal of Engineering Science and Technology, 2015
Fresh activated sludge in many wastewater treatment plants may be considered unhealthy due to the large amount of organic and organism content. Due to the lack of research on municipal sludge, there is an apparent scarcity of actual data. Thus, this work
SALAM K. AL-DAWERY
doaj  

Influence of copper nanoparticles on the physical-chemical properties of activated sludge.

open access: yesPLoS ONE, 2014
The physical-chemical properties of activated sludge, such as flocculating ability, hydrophobicity, surface charge, settleability, dewaterability and bacteria extracellular polymer substances (EPS), play vital roles in the normal operation of wastewater ...
Hong Chen   +5 more
doaj   +1 more source

Purely ultrasonic enzyme extraction from activated sludge in an ultrasonic cleaning bath

open access: yesMethodsX, 2017
Enzymes are important in biological wastewater treatment systems, since they are responsible for breakdown of macro- and micropollutants, thereby making the pollutants available for metabolism.
Mario Plattes   +2 more
doaj   +1 more source

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