Improvement of sedimentation by the coagulation using Poly-silicate iron for the removal of Cryptosporidium oocyst

Separation Science and Technology

Volumn 41, Issue 15, 2006, Pages 3387-3396

  Okuda, Tetsuji ^a   Nishijima, Wataru ^a   Deevanhxay, Phengxay ^a   Okada, Mitsumasa ^a   Hasegawa, Takao ^b  

^a HIROSHIMA UNIVERSITY   (Japan)

^b Suido Kiko Ltd   (Japan)

Author keywords

Coagulant; Drinking water; Ferric chloride; Polyaluminum chloride (PAC); PSI; Sedimentation rate

Indexed keywords

POLYMERIZATION; POTABLE WATER; SEDIMENTATION; SILICA;

COAGULANTS; FERRIC CHLORIDE; POLYALUMINUM CHLORIDE (PAC); SEDIMENTATION RATE;

WATER TREATMENT;

POLYMERIZATION; POTABLE WATER; SEDIMENTATION; SILICA; WATER TREATMENT;

COAGULATING; REMOVAL; SILICON DIOXIDE; WATER TREATMENT;

EID: 33750545346     PISSN: 01496395     EISSN: 15205754     Source Type: Journal    
DOI: 10.1080/15421400600914957     Document Type: Article

References (20)

1. Japan Water Works Assoc., Standard Methods for Examination of Water (in Japanese) (2001). Tokyo, Japan.
2. Rose, J.B., Huffman, D.E., and Gennaccaro, A. (2002) Risk and control of water-borne Cryptosporidiosis. FEMS Microbiol. Rev., 26(2): 113-123.
3. Betancourt, W.Q. and Rose, J.B. (2004) Drinking water treatment processes for removal of Cryptosporidium and Giardia. Vet. Parasitol., 126 (1-2): 219-234.
4. Magara, Y., Kaneko, M., Hirata, T., Endo, T., Kunikane, S., Yoshida, H., Koyama, K., and Okajima, S. (1999) Nationwide survey of Cryptosporidium and Giardia. Wat. Supply, 17 (3/4): 213-218.
5. Ono, K., Tsuji, H., Shimada, K., Masuda, K., and Endo, T. (2001) Isolation and incidence of Cryptosporidium and Giardia from river water. The Journal of the Japanese Association for Infectious Diseases, 75: 201 -208 (in Japanese).
6. Yamamoto, N., Urabe, K., Takaoka, M., Nakazawa, K., Gotoh, A., and Haga, M. (2000) Outbreak of Criptosporidiosis after contamination of public water supply in saitama prefecture, Japan, in 1996. J. Infect. Chemother, 74 (6): 518-526.
7. Corona-Vasquez, B., Samuelson, A., Rennecker, J.L., and Mariñas, B.J. (2002) Inactivation of Cryptosporidium parvum oocysts with ozone and free chlorine. Water Res., 36 (16): 4053-4063.
8. Hsu, B.M. and Yeh, H.H. (2003) Removal of Giardia and Cryptosporidium in drinking water treatment: a pilot-scale study. Water Res., 37 (5): 1111-1117.
9. Dolejs, P. (1993) Influence of algae and their exudates on removal of humic substances and optimal dose of coagulant. Wat. Sci. Tech., 27 (11): 123-132.
10. Bustamante, H.A., Shanker, S.R., Pashley, R.M., and Karaman, M.E. (2001) Interaction between Cryptosporidium oocysts and water treatment coagulants. Water Res., 35 (13): 3179-3189.
11. Huck, P.M., Coffey, B.M., Emelko, M.B., Maurizio, D.D., Slawson, R.M., Anderson, W., Oever, J.V.D., Douglas, I.P., and O'Melia, C.R. (2002) Effects of filter operation on Cryptosporidium removal. J. Am. Water Works Assoc., 94 (6): 97-111.
12. States, S.R., Tomko, M.S., and Casson, L. (2002) Enhanced coagulation and removal of Cryptosporidium. J. Am. Water Works Assoc., 94 (11): 67-77.
13. Hasegawa, T., Hashimoto, K., Onitsuka, T., Goto, K., and Tambo, N. (1991) Characteristics of metal-polysilicate coagulants. Wat. Sci. Tech., 23: 1713-1722.
14. Wang, J., Deevanhxay, P., Hasegawa, T., Ehara, Y., Kurokawa, M., Hashimoto, K., Nishijima, W., and Okada, M. (2002) A pilot plant study of polysilicate-iron coagulant. Wat. Sci. Tech., 12 (2): 107-113.
15. Okuda, T., Deevanhxay, P., Nishijima, W., Hasegawa, T., and Okada, M. (2003) Removal of Phytoplankton and Cryptosporidium oosyst by a new coagulant, poly-silicate iron coagulant (PSI), Asian Waterqual-IWA Asia-Pacific Regional Conference proceeding, Bangkok, Thailand.
16. Okuda, T., Deevanhxay, P., Nishijima, W., Hasegawa, T., and Okada, M. (2006) Enhancement of Cryptosporidium oocyst removal by coagulation and sedimentation with poly-silicate iron (PSI). J. Chem. Eng. Jpn., 39 (2): 183-186.
17. Besra, L., Sengupta, D.K., and Roy, S.K. (2000) Particle characteristics and their influence on dewatering of kaolin, calcite and quartz suspensions. Int. J. Miner. Process, 59 (2): 89-112.
18. Hasegawa, T. (2005) Application of poly-silicate iron coagulant (PSI) for water treatment. Journal of Water and Waste, 47 (2): 3-9 (in Japanese).
19. Tebbutt, T.H.Y. (1992) Principles of Water Quality Control, 4th Ed.; Pergamon Press: Oxford, England.
20. Tanbo, N. and Ogasawara, K. (1958) Technologies for Water Purification (Jyousui no gijyutsu); Gihodo Shuppan Co. Ltd.: Tokyo (in Japanese).