Results 231 to 240 of about 13,564 (256)
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A reliable mercury free chemical oxygen demand (COD) method
Analytical Methods, 2009A simple, but reliable mercury free method to analyse chemical oxygen demand is introduced. The method is based on international standard procedures but avoids the highly toxic mercury. In the procedure the oxidation temperature is brought down from 148 °C to 120 °C.
René Bernard Geerdink +2 more
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Development of Chemical Oxygen on Demand (COD) Soft Sensor Using Edge Intelligence
IEEE Sensors Journal, 2020The Internet of Things (IoT) based water quality monitoring system, mostly uses cost-effective sensors with a faster response time. Few water quality parameters such as Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), Chlorine (Cl), and Total Phosphorous, hard to be measured online, soft sensing techniques are used as an alternate solution
Arunima Sambhuta Pattanayak +3 more
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Journal of Environmental Monitoring, 2007
An electrochemical COD (chemical oxygen demand) sensor using an electrode-surface grinding unit was investigated. The electrolyzing (oxidizing) action of copper on an organic species was used as the basis of the COD measuring sensor. Using a simple three-electrode cell and a surface grinding unit, the organic species is activated by the catalytic ...
Bong, Geun Jeong +8 more
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An electrochemical COD (chemical oxygen demand) sensor using an electrode-surface grinding unit was investigated. The electrolyzing (oxidizing) action of copper on an organic species was used as the basis of the COD measuring sensor. Using a simple three-electrode cell and a surface grinding unit, the organic species is activated by the catalytic ...
Bong, Geun Jeong +8 more
openaire +2 more sources
Korean Journal of Chemical Engineering, 2013
Industrial effluents are major pollution-causing agents for our environment. Our study focuses on utilizing effluents from different industries for efficient production of Polyhydroxybutyrate (PHB). Presence of PHB was identified by Sudan Black staining method.
Ramanathan Muralidharan +3 more
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Industrial effluents are major pollution-causing agents for our environment. Our study focuses on utilizing effluents from different industries for efficient production of Polyhydroxybutyrate (PHB). Presence of PHB was identified by Sudan Black staining method.
Ramanathan Muralidharan +3 more
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Correlation of the Chemical Oxygen Demand of Water Using Hg and Hg-Free COD Vials
Journal of Water Chemistry and Technology, 2021Chemical oxygen demand (COD) is regarded as a fast and economical way in determining organics present in water. This study clarified that reason of the chloride (Cl–) could be act as the main interference when measuring the COD values, the effect of chloride on COD reading was measured by adding different amount of marine salt (0.600 g (1.125 wt %), 1 ...
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Environmental Monitoring and Assessment
The aim of this work was to test the effectiveness of coagulation-flocculation using ferric chloride (FeCl3) and adsorption on a biochar (OSB) prepared in the laboratory and their combination on textile industry wastewater treatment. By coagulation-flocculation, increasing the dose of FeCl3 significantly improved the reduction of chemical oxygen demand
Soufiane, Youcef +6 more
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The aim of this work was to test the effectiveness of coagulation-flocculation using ferric chloride (FeCl3) and adsorption on a biochar (OSB) prepared in the laboratory and their combination on textile industry wastewater treatment. By coagulation-flocculation, increasing the dose of FeCl3 significantly improved the reduction of chemical oxygen demand
Soufiane, Youcef +6 more
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Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), and Total Oxygen Demand (TOD)
2018I.G. Young, B.G. Lipták
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Chemical oxygen demand (COD) removal and hydrogen yield in microbial electrolysis cells
Environment, Biodiversity and Soil Security, 2023Aida Afify +2 more
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Graduate School Research Journal University of the East, 2010
Christopher M Silverio +5 more
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Christopher M Silverio +5 more
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Determination of inert chemical oxygen demand (COD) fractions of Cumhuriyet University wastewater
20199th International Conference on Environmental Science and Technology -- SEP 01-03, 2005 -- Rhodes Isl ...
Ciner, Fehiman, Cebeci, Meltem Sarioglu
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