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  • 1
    Online Resource
    Online Resource
    Singapore : Springer Nature Singapore | Singapore : Imprint: Springer
    Keywords: Environmental management. ; Food ; Water. ; Hydrology. ; Biopolymers. ; Biomaterials. ; Environmental protection. ; Civil engineering. ; Bioremediation.
    Description / Table of Contents: The Contamination of Water and Soil from the Dissolution of As-Bearing Mineral Waste in Matehuala, Mexico -- Arsenic Contamination in Indonesia -- Assessment of Arsenic Contamination in Groundwater in the Ayeyarwaddy Region of Myanmar: A Study by Irrigation and Water Utilization Management Department of Myanmar -- Assessing Hazards of Arsenic Leakage in Multi-Layered Aquifer System in a Part of Middle Ganga Plains, Northern India -- Systematic Review of Arsenic Contamination, Toxicity and Remediation Techniques in Malawi -- Groundwater ArsenicContamination in Karimpur-I Block, District Nadia, West-Bengal and Investigation for Safe Water -- Arsenic Contamination of Water Sources in Southern Africa: Role of Artisanal and Small Scale Mining Sector -- Source Apportionment of Heavy Metal(loid)s in the Surface Soils of Cerrito Blanco, Mexico: A Comparative Study of Three Receptor Models (APCS-MLR, PMF, and UNMIX Model) -- Polymer Nanofilm Composite Membranes for Ionic and Molecular Separation: History, Challenges and Future Perspectives -- Novel Cellulose-Based Hectocycle Nanopolymers for Arsenic Removal from Groundwater -- Investigation of Physicochemical Characteristics for Alumina Selection for Fluoride and Arsenic Removal -- Arsenic Remediation from Water in Burkina Faso Using Local Materials as Adsorbents: Overview, Mitigation and Prospects.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(XV, 452 p. 132 illus., 110 illus. in color.)
    Edition: 1st ed. 2024.
    ISBN: 9789819747641
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Bioseparation 7 (1998), S. 17-23 
    ISSN: 1573-8272
    Keywords: cellulose acetate membranes ; cross-flow ; microfiltration ; yeast-cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The effects of pump speed, cumulative permeate volume and concentration of feed (yeast cells) on the permeate flux have been studied on a batch cross-flow microfiltration process. The experiments were conducted for two different cellulose acetate membrane modules of 0.2 μm and 0.45 μm pore size. A three factor experiment was designed for this purpose and the effect of the operating parameters on the filtration rate was studied by the analysis of variance (ANOVA). It is concluded from the analysis of the experimental data that pump speed has the maximum bearing upon the permeate rate within the operating range of parameters. Fouling conditions were examined in the light of colloids deposition on membranes due to surface interactions. However this paper looks into the relationship and sensitivity of the operating parameters in a cross-flow microfiltration unit rather than exploring the theoretical principles behind the observed phenomena.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Journal of Chemical Technology AND Biotechnology 71 (1998), S. 335-339 
    ISSN: 0268-2575
    Keywords: colloidal gas aphrons ; yeast ; flotation ; air to solid ratio ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: A study on the clarification of baker's yeast suspension by Colloidal Gas Aphrons (CGA) employing a cationic surfactant, benzyl-dimethyl-hexadecyl-ammonium chloride, is presented. The variables investigated were the CGA flowrate, air flowrate and the yeast concentration. A separation efficiency as high as 95% was achieved at the optimum conditions of air flowrate and feed concentration. The mechanism of particle-bubble attachment was identified and a simple model for the monolayer adsorption of yeast cells on the bubble surface derived. © 1998 SCI
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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