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UV/chlorine process for ammonia removal and disinfection by-product reduction: comparison with chlorination.
The results indicate that the UV/chlorine process could represent an alternative to conventional breakpoint chlorination for ammonia-containing water, with several advantages in terms of simplicity, short reaction time, and reduced chemical dosage. Expand
Synergistic removal of ammonium by monochloramine photolysis.
Investigation of the kinetics and fundamental radical chemistry responsible for NH4+ removal in the UV/NH2Cl process provides insight into the photochemistry of NH4+, and offers an alternative method for drinking water production. Expand
Natural Organic Matter Removal by UV/ Chlorine Process: Modeling and Optimization
This study evaluated and optimized the UV/ chlorine process for natural organic matters (NOMs) removal using response surface methodology (RSM). The effects of both the primary and secondaryExpand
Analysis of floc morphology in a continuous-flow flocculation and sedimentation reactor.
It can be concluded that the excess coagulant doses resulted in the formation of chain-shaped, lower density, and more branched structure flocs, thereby restrictingFlocs' further growth in the subsequent flocculation. Expand
Optimization of the UV/chlorine process for ammonia removal and disinfection by-products reduction
AbstractIn this study, response surface methodology was used to investigate the efficiency of the UV/chlorine process for ammonia removal and disinfection by-products reduction. A five-levelExpand
Evaluation of kaolin floc characteristics during coagulation process: a case study with a continuous flow device
In this study, we used a continuous flow device to simulate actual water treatment works and explored the impact of the coagulant dosage and shear rate combination on kaolin floc properties. TheExpand
Utilization of recycled concrete fines and powders to produce alkali-activated slag concrete blocks
Abstract This paper investigated the properties of alkali-activated slag (AAS) concrete blocks incorporated with recycled concrete fines (RCFs) and recycled concrete powders (RCPs). They were used asExpand
Effect of fire insulation on fire resistance of hybrid-fiber reinforced reactive powder concrete beams
Abstract This paper presents the result of tests conducted on four hybrid-fiber reinforced reactive powder concrete (RPC) beams protected with fire insulation exposed to fire. The thermal fields,Expand
CFD and experimental studies on the impact of impeller type on flow field and floc size evolution in a stirred tank
Keywords: Computational Fluid Dynamics (CFD), impeller type, velocity gradient (G), floc, Abstract. The impact of impeller type on floc size evolution during flocculation of polystyrene particlesExpand
Quantifying Fire Insulation Effects on the Fire Response of Hybrid-Fiber Reinforced Reactive Powder Concrete Beams
The fire performance of reinforced reactive powder concrete (RPC) beams has raised much concern due to the sensitivity of these beams to high temperature and relatively lower fire resistance. ToExpand