Results 51 to 60 of about 21,036 (165)

Effect of the presence of Actinomycetes in the activated sludge on the quality of the treated wastewater

E3S Web of Conferences, 2017
The aim of the study was to determine the effect of the Actinomycetes proliferation in the activated sludge on the quality of the treated wastewater and the sewage receiver. The river which is the sewage receiver flows near the wastewater treatment plant.
Bezak-Mazur Elżbieta, Stoińska Renata, Rajca Jolanta, Łatasiewicz Beata   +3 more
doaj   +1 more source

Activated sludge activity in the treatment of anaerobic sludge digester supernatant

Environment Protection Engineering, 2012
Environment Protection Engineering. Vol. 38, 2012, nr 4, s. 17-27 ; Wrocław ; Environment Protection Engineering. Vol. 38, 2012, nr 4, s. 17-27 ; Wrocław ; Environment Protection Engineering. Vol. 38, 2012, nr 4, s.
Zielińska, Magdalena, Bernat, Katarzyna, Kulikowska, Dorota, Cydzik-Kwiatkowska, Agnieszka, Wojnowska-Baryła, Irena   +4 more
openaire   +2 more sources

A new strategy for maintaining the cold-resistant activity of activated sludge: The low-temperature protective properties of biofilms and the study of microbial diversity

Chemical Engineering Journal Advances
Activated sludge is a key technical step for wastewater treatment. However, low temperatures adversely affect the pollutant removal efficiency of activated sludge, primarily due to a substantial drop in microbial activity.
Nabi Ullah, Muhammad Noman, Mehvish Manzoor, Weihua Li, Can Wang   +4 more
doaj   +1 more source

The influence of heavy metals on activated sludge processes: performance, microbial dynamics, and recovery strategies

Frontiers in Environmental Science
Environmental pollution, primarily water and soil due to heavy metals is extensive and alarming concern due to numerous industrial sources. Heavy metals considerably alter the microbial dynamics and reduce the efficiency of activated sludge process in ...
Sartaj A. Bhat, Vineet Kumar, Deepa Sharma   +2 more
doaj   +1 more source

An Integrated Approach to the Biological Reactor–Sedimentation Tank System

Resources, 2019
Secondary clarifiers are demanded to separate solids created in activated sludge biological processes to achieve both a clarified effluent and to manage the biological processes itself.
Serena Conserva, Fabio Tatti, Vincenzo Torretta, Navarro Ferronato, Paolo Viotti   +4 more
doaj   +1 more source

Study on Preparation of Activated Carbon from Pyrolusite-Added Sewage Sludge

工程科学与技术, 2011
:Abstract: Activated carbon was prepared from pyrolusite-added sewage sludge by ZnCl2 activation method. Its structure and performance were characterized by BET, SEM, FT-IR, XRD, O2-TPO and TGA, and the impact of pyrolusite to preparing process of ...
Tan Xian-Dong, Yang Yi-Jin, 刘建英
doaj  

IMPLEMENTATION OF THE SLUDGE BIOTIC INDEX FOR CONTROL AND OPTIMIZATION OF THE BIOLOGICAL TREATMENT PROCESS

Environmental Problems
The article examines the methodology for deter-mining the Sludge Biotic Index (SBI) to assess the quality of activated sludge at treatment plants.
Valentina Iurchenko, Svitlana Tkachenko
doaj   +1 more source

Cd(II) Adsorption Using Waste Sludge from a Municipal Wastewater Treatment System [PDF]

آب و فاضلاب, 2010
In this study, dried waste activated sludge from a municipal wastewater treatment plant was used for Cd (II) ion adsorption with and without pre-treatment. Waste activated sludge was treated with 1% Hydrogen peroxide.
Ghodratallah Shams Khorramabadi, Reza Darvishi Cheshmeh Soltani, Sahand Jorfi   +2 more
doaj  

Effects of Inoculum Amount, Initial pH, and Nicotine Load on the Set-Up of Bioaugmented System with Pseudomonas Sp. HF-1 to Treat Tobacco Wastewater

Journal of Chemistry, 2014
This study evaluated and optimized the influence of inoculum amount, initial pH, and nicotine load on the construction of Pseudomonas sp. HF-1 bioaugmented system for tobacco wastewater treatment.
Kun Zhang, Hong-zhen He, Dong-sheng Shen, Xin Zheng, Zhou Zhou, Xian-jun Tao, Mei-zhen Wang   +6 more
doaj   +1 more source

Comparative Analysis of Bacterial Information of Biofilms and Activated Sludge in Full-Scale MBBR-IFAS Systems

Microorganisms
This study extensively analyzed the bacterial information of biofilms and activated sludge in oxic reactors of full-scale moving bed biofilm reactor-integrated fixed-film activated sludge (MBBR-IFAS) systems.
Xiaolin Zhou, Haicheng Liu, Xing Fan, Xuyi Wang, Xuejun Bi, Lihua Cheng, Shujuan Huang, Fangchao Zhao, Tang Yang   +8 more
doaj   +1 more source