Fung Hwa scite author profile

The present study used ultraviolet absorption (UVa) and the florescence intensity (FI) to evaluate the coagulation efficiency for removing dissolved organic carbon (DOC) in the raw water from Min-Ter, Li-Yu-Ten and Yun-Ho-Shen reservoirs in Taiwan. The results indicated that the ratio of DOC removal rate and FI removal rate was maintained at about 1 at various coagulant dosages. However, the ratio of DOC removal rate and UVa removal rate decreased as the coagulant dosage increased. In addition, after coagulation, the use of florescence intensity instead of total organic carbon (TOC) is better than UVa for measuring the DOC removal rate of the raw waters gathered in different months from the three reservoirs. Furthermore, a good linear relationship between florescence intensity and DOC removal rate was observed, and the DOC/FI ratio of raw water from each reservoir can be used to predict the DOC residual concentration after enhanced coagulation. This result shows that fluorescence analysis can be used for on-line and continuous monitoring the effectiveness of organic matter removal in water treatment.

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Evaluating the Coagulants of Polyaluminum Silicate Chlorides on Turbidity Removal

Cheng

Hwa

et al. 2006

Separation Science and Technology

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Potassium alum crystal derived from aluminum salt in water treatment sludge by nanofiltration

Hwa

Cheng

Tian

et al. 2014

J Mater Cycles Waste Manag

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Fung Hwa

A study of coagulation mechanisms of polyferric sulfate reacting with humic acid using a fluorescence-quenching method

A study on the removal of organic substances from low-turbidity and low-alkalinity water with metal-polysilicate coagulants

Use of Chitosan as Coagulant to Treat Wastewater from Milk Processing Plant

Effect of phosphate on removal of humic substances by aluminum sulfate coagulant

Using Chitosan as a Coagulant in Recovery of Organic Matters from the Mash and Lauter Wastewater of Brewery

Evaluating the Efficiency of Coagulation in the Removal of Dissolved Organic Carbon from Reservoir Water using Fluorescence and Ultraviolet Photometry

Evaluating the Coagulants of Polyaluminum Silicate Chlorides on Turbidity Removal

Potassium alum crystal derived from aluminum salt in water treatment sludge by nanofiltration

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