scale degrading Articles
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Intensification of sonochemical degradation of phenol using additives at pilot scale operation
The present work reports the use of sonochemical reactors for the degradation of phenol in the presence of additives with an objective of enhancing the rates of degradation at a pilot scale operation. Process intensification studies have been carried out using additives such as hydrogen peroxide (H2O2) (0.5–2.0 g/L), sodium chloride (0.5–1.5 g/L) and solid particles viz. cupric oxide (CuO) and ...
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Mechano-chemical ageing of PES/PVP ultrafiltration membranes used in drinking water production
In water treatment by microfiltration and ultrafiltration, a major concern is the integrity loss or failure of membrane induced by onsite operations, potentially leading to permeate water contamination. This study aims to provide a better understanding of the phenomena responsible for membrane damage by analyzing its causes and effects. The role of sodium hypochlorite exposure conditions and ...
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Issues of drinking water quality of small scale water services towards climate change
As climate change could impact water quantity and quality, important concerns are related to water quality degradation in small scale water services (SSWS). SSWS using surface waters resources (rivers and lakes) for drinking water production are particularly vulnerable to short term transient events due to their low adaptation capacity and their lack of support and technical knowledge compared to ...
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Electronic Water Treatment Reduces Fouling In Reverse Osmosis
Reverse Osmosis (RO) is used in processes requiring high-quality, purified water, such in semi-conductor processing or biochemical applications and can be used to treat boiler feed water, industrial wastewater or process water. A water purification technique, it reduces the quantity of dissolved solids in solution. RO uses waterline pressure together with energy consuming pressurizing pumps that ...
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Wetlands International - Annual Plan and Budget 2014
As our Brand Promise states: Wetlands International is “driven by the knowledge that safeguarding and restoring wetlands is urgent and vital for water security, biodiversity, climate regulation, sustainable development and human health”. We aim to stop the degradation of wetlands and to maximise benefits to people and nature through wetland conservation, restoration and wise use. One ...
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