• Login
    Search 
    •   NM-AIST Home
    • Materials, Energy, Water and Environmental Sciences
    • Search
    •   NM-AIST Home
    • Materials, Energy, Water and Environmental Sciences
    • Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Search

    Show Advanced FiltersHide Advanced Filters

    Filters

    Use filters to refine the search results.

    Now showing items 1-10 of 10

    • Sort Options:
    • Relevance
    • Title Asc
    • Title Desc
    • Issue Date Asc
    • Issue Date Desc
    • Results Per Page:
    • 5
    • 10
    • 20
    • 40
    • 60
    • 80
    • 100
    Thumbnail

    Influence of aging conditions on textural properties of water-glass-based silica aerogels prepared at ambient pressure 

    Sarawade, Pradip Bhikaji; Kim, Jong-Kil; Hilonga, Askwar; Kim, Hee Taik (Springer US, 2010-06-04)
    The experimental results of aging time and temperature on the textural properties of water-glass (sodium silicate)-based silica aerogels are reported and discussed. Aging of the hydrogel for different times and temperatures led ...
    Thumbnail

    Meticulous Overview on the Controlled Release Fertilizers 

    Sempeho, Siafu Ibahati; Kim, Hee Taik; Mubofu, Egid; Hilonga, Askwar (Hindawi Publishing Corporation Advances in Chemistry, 2014-08-28)
    Owing to the high demand for fertilizer formulations that will exhaust the possibilities of nutrient use efficiency (NUE), regulate fertilizer consumption, and lessen agrophysicochemical properties and environmental adverse ...
    Thumbnail

    Encapsulated Urea-Kaolinite Nanocomposite for Controlled Release Fertilizer Formulations 

    Sempeho, Siafu Ibahati; Kim, Hee Taik; Mubofu, Egid; Pogrebnoi, Alexander; Shao, Godlisten; Hilonga, Askwar (Hindawi Publishing Corporation Journal of Chemistry, 2015)
    Urea controlled release fertilizer (CRF) was prepared via kaolinite intercalation followed by gum arabic encapsulation in an attempt to reduce its severe losses associated with dissolution, hydrolysis, and diffusion. ...
    Thumbnail

    Dynamics of Kaolinite-Urea Nanocomposites via Coupled DMSO-Hydroxyaluminum Oligomeric Intermediates 

    Sempeho, Siafu Ibahati; Kim, Hee Taik; Mubofu, Egid; Pogrebnoi, Alexander; Shao, Godlisten; Hilonga, Askwar (Hindawi Publishing Corporation Indian Journal of Materials Science, 2015)
    Kaolinite-urea nanocompositeswere prepared via intercalation reactions in an attempt to investigate the dynamic nature of kaolinite morphology for advanced applications in controlled release systems (CRS). Characterization ...
    Thumbnail

    Characterization of Polycaprolactone and Rice Husk Silica Composite (PCL-SiO2) by E-Spinning to Apply Supporter for Drug Release 

    Song, Sinae; Hilonga, Askwar; Kim, Hee Taik (IOP Publishing Ltd, 2017)
    Abstract. Polycaprolactone (PCL) is an interesting material to apply biomedical field owing to its biodegradability and biocompatibility which is suitable for a specific site with longer healing times. Blending the polymer ...
    Thumbnail

    Enhancement of porosity of sodium silicate and titanium oxychloride based TiO2–SiO2 systems synthesized by sol–gel process and their photocatalytic activity 

    Shao, Godlisten N.; Kim, Yuna; Imran, S.M.; JeongJeon, Sun; Sarawade, Pradip B.; Hilonga, Askwar; Kim, Jong-Kil; Kim, Hee Taik (Elsevier, 2013-09-15)
    The textural properties of TiO2–SiO2 composites (TSCs) were successively enhanced using three approaches; (1) washing the hydrogels with different solvents, (2) using surfactant and (3) forming the TiO2 sol in ethanol ...
    Thumbnail

    Synthesis and characterization of micrometer-sized silica aerogel nanoporous beads 

    Sarawade, Pradip B.; Quang, Dang Viet; Hilonga, Askwar; Jeon, Sun Jeong; Kim, Hee Taik (Elsevier, 2012-08-15)
    Here we report the preparation of micrometer-sized highly nanoporous, relatively trasperant silica aerogel beads with high surface area as well as large pore volume with sizes ranging from 165 to 395 μm. The wet micrometer-sized ...
    Thumbnail

    Quantitative recovery of high purity nanoporous silica from waste products of the phosphate fertilizer industry 

    Elineema, Gideon; Kim, Jong Kil; Hilonga, Askwar; Shao, Godlisten Namwel; Kim, You-Na; Quang, Dang Viet; Sarawade, Pradip B.; Kim, Hee Taik (Elsevier, 2013-01-25)
    This study reports on the quantitative recovery of high purity nanoporous silica from wastes material (H2SiF6) of the phosphate fertilizer industry and Na2O·SiO2. The silica recovered from the wastes was compared with ...
    Thumbnail

    Synthesis of mesoporous silica with superior properties suitable for green tire 

    Hilonga, Askwar; Kim, Jong-Kil; Sarawade, Pradip B.; Quang, Dang Viet; Shao, Godlisten N.; Elineema, Gideon; Kim, Hee Taik (Elsevier, 2012-09-25)
    In this article we report synthesis of mesoporous silica with superior properties for application in green tire (environmentally friendly tire) as filler. The synthesis was done using a newly innovated apparatus which ...
    Thumbnail

    Biodiesel production by sulfated mesoporous titania–silica catalysts synthesized by the sol–gel process from less expensive precursors 

    Shao, Godlisten N.; Sheikh, Rizwan; Hilonga, Askwar; Lee, Jae Eun; Park, Yeung-Ho; Kim, Hee Taik (Elsevier, 2012-11-21)
    A sulfated titania–silica composite (S-TSC) was obtained through surface modification of mesoporous titania–silica composite synthesized using less expensive precursors; titanium oxychloride and sodium silicate as titania ...

    Nelson Mandela-AIST copyright © 2021  DuraSpace
    Theme by 
    Atmire NV
     

     

    Browse

    All PublicationsCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CommunityBy Issue DateAuthorsTitlesSubjects

    My Account

    LoginRegister

    Discover

    AuthorHilonga, Askwar (10)
    Kim, Hee Taik (10)
    Sarawade, Pradip B. (4)Kim, Jong-Kil (3)Mubofu, Egid (3)Quang, Dang Viet (3)Sempeho, Siafu Ibahati (3)Shao, Godlisten N. (3)Elineema, Gideon (2)Pogrebnoi, Alexander (2)... View MoreSubjectFORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING (3)Sodium silicate (3)Ambient Pressure (1)Ambient pressure drying (1)Green tire (1)Heterogeneous catalysis (1)Hexaflorosilicic acid (1)Innovative apparatus (1)Mesoporous silica (1)Micro-silica aerogel bead (1)... View MoreDate Issued2012 (3)2013 (2)2015 (2)2010 (1)2014 (1)2017 (1)Has File(s)Yes (10)

    Nelson Mandela-AIST copyright © 2021  DuraSpace
    Theme by 
    Atmire NV