Understanding silica interference in arsenic adsorption. The role of cations

American Water Works Association - Water Quality Technology Conference and Exposition 2006: Taking Water Quality to New Heights

Volumn , Issue , 2006, Pages 3059-3063

  Driehaus, Wolfgang ^a  

^a GEH Wasserchemie GmbH and Co KG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ADSORPTION CAPACITIES; ARSENIC ADSORPTION; ARSENIC REMOVAL; ARTIFICIAL WATER; CALCIUM CONCENTRATION; CO-ADSORPTION; COLUMN TEST; DIVALENT CATION; IRON-BASED; LOW CONCENTRATIONS; NEGATIVE INFLUENCE; PH ADJUSTMENT; PH VALUE; SMALL SCALE; SORPTION CAPACITIES; WATER PROFILES;

ADSORPTION; ARSENIC; CALCIUM; EXHIBITIONS; POLLUTION CONTROL; POSITIVE IONS; POTABLE WATER; SILICA; WATER QUALITY;

CHEMICALS REMOVAL (WATER TREATMENT);

EID: 84871476465     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. Driehaus, W: Arsenic Removal - Experience with the GEH process in Germany. Water Science and Technol.: Water Supply 2-4, 275 - 280 (2002)
2. Banerjee et al.: Adsorption of Arsenic(V) onto Granular ferric Hydroxide (GFH) in the Presence of Vanadium and Silica. AWWA - Water Qaulity and Technology Conference 2004. 15 pp.
3. Swedlund PJ and Webster JG (1999) Adsorption and Polymerisation of Silicic Acid on Ferrihydrite and its Effect on Arsenic Adsorption. Water Res. 33, 3413-3422.
4. Driehaus W., Jekel M. & Hildebrandt U. (1998) Granular ferric hydroxide - a new adsorbent for the removal of arsenic from natural water. - J Water SRT-Aqua 47, 30-35.
5. Crittenden JC, Berrigan JK and Hand DK: Design of Rapid Small-Scale Adsorption Tests for a Constant Diffusivity. - Journal Water Pollution Control Federation, Vol. 58, No. 4, pp. 312-319 (1986).
6. Smith, S. & Edwards, M.: The Influence of Silica and Calcium on Arsenate Sorption to Oxide Surfaces. J Water Supply, AQUA 54.4, 201-211 (2005)
7. Sperlich, A., Werner, A, et al: Breakthrough Behaviour of Granular Ferric Hydroxide (GFH) fixed-bed Adsorption Filters: Modeling and experimental approaches. Water Research 39, 1190-1198 (2005)