Results 11 to 20 of about 120,773 (255)

Cost-effective smartphone-based method for low range chemical oxygen demand analysis [PDF]

MethodsX, 2023
Aiming the decentralization of monitoring policies and to facilitate the work of researchers, mainly in developing countries, the present method deals with the explanation of a simple and rapid protocol for chemical oxygen demand (COD) analysis through ...
Inalmar D. Barbosa Segundo, Jussara C. Cardozo, Pollyana Souza Castro, Amanda D. Gondim, Elisama V. dos Santos, Carlos A. Martínez-Huitle   +5 more
doaj   +2 more sources

Types of Materials Used as Media in Biofilter Reactors and How Effective in Removing Biological and Chemical Oxygen Demand in Wastewater: A Systematic Review [PDF]

E3S Web of Conferences
The aim was to determine the types of materials that can be used as media in biofilter reactors, and to determine the effectiveness of these materials in removing Biological and Chemical Oxygen Demand from wastewater.
Muliyadi Muliyadi, Purwanto Purwanto, Sumiyati Sri, Sudarno Sudarno, Budiyono Budiyono, Warsito Budi, Harihastuti Nani   +6 more
doaj   +1 more source

Evaluating the purification efficiency of Moroccan waste stabilization ponds’ systems: challenges and future prospects [PDF]

The Holistic Approach to Environment
Lagoon wastewater treatment systems, introduced in 1970, have become a preferred economic solution in Morocco due to favourable climatic and economic conditions. However, these facilities often face performance problems, particularly related to excessive
Marouan Akdim, Latifa Tajounte, Abdelmajid Achkir, Mohammed El Mahi, Mokhtar Jaait, El Mostapha Lotfi   +5 more
doaj   +1 more source

Ionizing Radiation Induced Removal of Ofloxacin, Abatement of Its Toxicity and Antibacterial Activity in Various Water Matrices

Applied Sciences, 2023
The fluoroquinolone-type antibiotic ofloxacin is regularly detected in wastewaters. In this work, its hydroxyl radical (•OH) induced degradation was studied at a concentration of 0.1 mmol dm−3 in three water matrices, pure water, tap water, and purified ...
László Wojnárovits, Renáta Homlok, Krisztina Kovács, Anikó Bezsenyi, Erzsébet Takács   +4 more
doaj   +1 more source

Estimation of Biological Oxygen Demand and Chemical Oxygen Demand for Combined Sewer Systems Using Synchronous Fluorescence Spectra

Sensors, 2010
Real-time monitoring of water quality for sewer system is required for efficient sewer network design because it provides information on the precise loading of pollutant to wastewater treatment facilities and the impact of loading on receiving water.
Dae-Hee Park, Tae-Hwan Lee, Bo-Mi Lee, Jin Hur   +3 more
doaj   +1 more source

The effect of chemical dispersant of the third generation (Finasol OSR 62) on the microbial biodegradation process of Zarzaitine oil in water treatment

Applied Water Science, 2022
The application of chemical dispersants aims to stimulate microbial oil degradation by increasing the bioavailability of oil compounds. Overall, nine microcosms were prepared (three for each treatment) using treated sediment with (i) dispersant (d: 25 ...
Soumaya Elarbaoui, Latifa Smii, Zahrah Alhalili, Moêz Smiri   +3 more
doaj   +1 more source

A New Activated Sludge Model with Membrane Separation–Implications for Sewage and Textile Effluent

Membranes, 2021
A new model for the activated sludge process with membrane separation is presented, based on the effective filtration size. A new size threshold is imposed by the membrane module.
Derin Orhon, Ayse Begum Yucel, Guclu Insel, Seyda Duba, Tugba Olmez-Hanci, Bulent Solmaz, Seval Sözen   +6 more
doaj   +1 more source

Chemical Oxygen Demand of Oily Wastewater Treatment by Ti/CeO2

Chemical Engineering Transactions, 2018
In order to improve the recovery effect of oily wastewater, the chemical oxygen demand of oily wastewater treatment by Ti/CeO2 is studied in this paper. At first, thin film electrodes with photo catalytic activity are prepared to discuss the mechanism of
Zhong Zheng, Yunsheng Zhao, Jindong Zhang, Jianhua Du   +3 more
doaj   +1 more source

Electrochemical Determination of Chemical Oxygen Demand Using Ti/TiO2 Electrode

International Journal of Electrochemical Science, 2016
To overcome the shortcomings of the conventional potassium dichromate method (PDM) for monitoring chemical oxygen demand (COD) of waters, many efforts have been made on developing quick and environment-friendly techniques.
Yongxian Ge, Yufang Zhai, Dun Niu, Yuhong Wang, Carlos Fernandez, Thippeswamy Ramakrishnappa, Xiaomin Hu, Linshan Wang   +7 more
doaj   +1 more source

PHYSICOCHEMICAL CHARACTERIZATION OF ASMARA BREWERY EFFLUENTS [PDF]

Journal of Engineering Science (Chişinău), 2022
Brewing industry is water intensive and consequently generates huge volumes of wastes. Bottle washing and brewing operations recognized as the major effluent sources of Asmara Brewery Corporation Share Company (ABCSC), Eritrea.
BABU, Aremanda Ramesh, ARSIEMA, Tekle, HEAVEN, Daniel, FILMON, Berhane, ABIEL, Mehari   +4 more
doaj   +1 more source