title: Study of Enteromorpha polysaccharides as a new-style coagulant aid in dye wastewater treatment.
abstract: Enteromorpha is one of the common fouling green algae, which has brought serious environmental problems in past years. This study was aimed to apply it in water treatment process. Enteromorpha polysaccharides (Ep) were used as a new-style coagulant aid to assess its effect on coagulation behavior and floc characteristics. Color removal was used to evaluate coagulation effects and floc properties were investigated by Photometric Dispersion Analyzer (PDA). Results showed that when Ep was used in combination with aluminum chloride (AC), color removal could be apparently improved, and the optimal solution pH ranged 6.0-8.0. The growth rate and average size of flocs formed by AC-Ep were larger than those by AC in steady-state after floc growth phase, and meanwhile the distribution of floc size had a wider range. Besides, floc recoverability could be significantly improved when Ep was used as coagulant aid.
authors: Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Ji'nan 250100, Shandong, People's Republic of China.
authors: Shuang
authors: S
authors: Zhao
authors: Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Ji'nan 250100, Shandong, People's Republic of China. Electronic address: baoyugao_sdu@aliyun.com.
authors: Baoyu
authors: B
authors: Gao
authors: Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Ji'nan 250100, Shandong, People's Republic of China.
authors: Qinyan
authors: Q
authors: Yue
authors: Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Ji'nan 250100, Shandong, People's Republic of China.
authors: Yan
authors: Y
authors: Wang
authors: Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Ji'nan 250100, Shandong, People's Republic of China.
authors: Qian
authors: Q
authors: Li
authors: Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Ji'nan 250100, Shandong, People's Republic of China.
authors: Hongyu
authors: H
authors: Dong
authors: Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Ji'nan 250100, Shandong, People's Republic of China.
authors: Han
authors: H
authors: Yan
mesh_terms: D000077410:Aluminum Chloride; D017607:Aluminum Compounds / Q000737:chemistry*; D002712:Chlorides / Q000737:chemistry*; D003029:Coagulants / Q000737:chemistry*; D004396:Coloring Agents / Q000138:chemical synthesis / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D011134:Polysaccharides / Q000737:chemistry*; D044445:Ulva / Q000737:chemistry*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D017607:Aluminum Compounds; D002712:Chlorides; D003029:Coagulants; D004396:Coloring Agents; D011134:Polysaccharides; D014874:Water Pollutants, Chemical; D000077410:Aluminum Chloride
keywords: Coagulant aid; Color removal; Enteromorpha polysaccharides; Floc formation kinetics; Floc re-growth; Floc strength