Hibiscus rosa-sinensis leaf extract as coagulant aid in leachate treatment
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Aguilar MI, Saez J, Llorens M, Soler A, Ortuno JF, Meseguer V, Fuentes A (2005) Improvement of coagulation–flocculation process using anionic polyacrylamide as coagulant aid. Chemosphere 58:47–56
Anastasakis K, Kalderis D, Diamadopoulos E (2009) Flocculation behavior of mallow and okra mucilage in treating wastewater. Desalination 249:786–791
APHA, AWWA, WEF (2005) Standard methods for the examination of water and wastewater, 21st edn. American Public Health Association, Washington
Aziz HA, Adlan MN, Mohamed AMD, Raghavan S, Koflly M, Isa M, Abdullah MH (2000) Study on the anionic natural coagulant aid for heavy metals and turbidity removal in water at pH 7.5 and alum concentration 25 mg/L-laboratory scale. Indian J Eng Mater Sci 7(4):195–199
Aziz HA, Alias S, Adlan MN, Asaari FAH, Zahari MS (2007) Colour removal from landfill leachate by coagulation and flocculation processes. Bioresour Technol 98:218–220
Beltrán-Heredia J, Sánchez-Martín J (2009) Removing heavy metals from polluted surface water with a tannin-based flocculant agent. J Hazard Mater 165:1215–1218
Cheng WP, Chi FH (2002) A study of coagulation mechanism of polyferric sulfate reacting with humic acid using fluorescence-quenching method. Water Res 36:4583–4591
Cheng WP, Chi FH, Yu RF (2004) Effect of phosphate on removal of humic substances by aluminum sulfate coagulant. J Colloid Interface Sci 272:153–157
Duan J, Gregory J (2003) Coagulation by hydrolyzing metal salts. Adv Colloid Interface Sci 100–102:475–502
Environmental Quality Act 1974 (2010). http://www.doe.gov.my/en/content/environmental-quality-act-1974 . Accessed 15 July 2010
Ersoy B (2005) Effect of pH and polymer charge density on settling rate and turbidity of natural stone suspensions. Int J Miner Process 75:207–216
Ghafari S, Aziz HA, Bashir MJK (2010) The use poly-aluminum chloride and alum for the treatment of partially stabilized leachate: a comparative study. Desalination 257:110–116
Hanafiah MAKM, Ngah WSW, Zakaria H, Ibrahim SC (2007) Batch study of liquid-phase adsorption of lead ions using Lalang (Imperata cylindrica) leaf powder. J Biol Sci 7:22–230
Henderson JM, Wheatley AD (1987) Factors effecting a loss of flocculation activity of polyacrylamide solutions-shear degradation, cation complexation and solutions aging. J Appl Polym Sci 33:669–684
Jarvis P, Jefferson B, Parsons SA (2004) Characterising natural organic matter flocs. Water Sci Technol 4(4):79–87
Jarvis P, Jefferson B, Parsons SA (2005) Measuring floc structural characteristics. Rev Environ Sci Biotechnol 4:1–18
Kam S-K, Gregory J (2001) The interaction of humic substances with cationic polyelectrolytes. Water Res 35(15):3557–3566
Lee W, Westerhoff P (2006) Dissolved organic nitrogen removal during water treatment by aluminum sulfate and cationic polymer coagulation. Water Res 40:3767–3774
Li WW, Zhou WZ, Zhang YZ, Wang J, Zhu XB (2008) Flocculation behavior and mechanism of an exopolysaccharide from the deep-sea psychrophilic bacterium Pseudoalteromonas sp. SM9913. Bioresour Technol 99:6893–6899
Okuda T, Baes AU, Nishijima W, Okada M (2001a) Isolation and characterization of coagulant extracted from Moringa oleifera seed by salt solution. Water Res 35:405–410
Okuda T, Baes AU, Nishijima W, Okada M (2001b) Coagulation mechanism of salt solution: extracted active component in Moringa oleifera seeds. Wat Res 35:830–834
Prasertsan P, Dermlim W, Doelle H, Kennedy JF (2006) Screening, characterization and flocculating property of carbohydrate polymer from newly isolated Enterobacter cloacae WD7. Carbohydr Polym 66:289–297
Šćiban M, Klašnja M, Antov M, Škrbić B (2009) Removal of water turbidity by natural coagulants obtained from chestnut and acorn. Bioresour Technol 100:6639–6643
Zhang Z, Xia S, Zhao J, Zhang J (2010) Characterization and flocculation mechanism of high efficiency microbial flocculant TJ-F1 from Proteus mirabilis. Colloids Surf B Biointerfaces 75:247–251