[go: up one dir, main page]

Woolard et al., 2002 - Google Patents

Evaluation of the use of modified coal ash as a potential sorbent for organic waste streams

Woolard et al., 2002

Document ID
16381767267943355178
Author
Woolard C
Strong J
Erasmus C
Publication year
Publication venue
Applied Geochemistry

External Links

Snippet

Fly ash was modified by hydrothermal treatment with 7 M NaOH. The resultant product displayed an 8-fold increase in surface area. The primary crystalline component of the modified fly ash was identified by X-ray diffraction to be hydroxysodalite …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
    • C01B33/28—Base exchange silicates, e.g. zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination

Similar Documents

Publication Publication Date Title
Woolard et al. Evaluation of the use of modified coal ash as a potential sorbent for organic waste streams
Franus et al. Synthesis and characterization of zeolites prepared from industrial fly ash
Hailu et al. Ion exchanges process for calcium, magnesium and total hardness from ground water with natural zeolite
Ge et al. Highly effective removal of Pb2+ in aqueous solution by Na-X zeolite derived from coal gangue
Kara et al. Metakaolin based geopolymer as an effective adsorbent for adsorption of zinc (II) and nickel (II) ions from aqueous solutions
Ricou-Hoeffer et al. Experimental design methodology applied to adsorption of metallic ions onto fly ash
Jha et al. Fly ash zeolites
Rao et al. Sorption of cadmium and zinc from aqueous solutions by zeolite 4A, zeolite 13X and bentonite
Rayalu et al. Highly crystalline faujasitic zeolites from flyash
Querol et al. Synthesis of zeolites from coal fly ash: an overview
Liu et al. Magnetic zeolite NaA: Synthesis, characterization based on metakaolin and its application for the removal of Cu2+, Pb2+
Woolard, CD, Petrus, K. & van der Horst The use of a modified fly ash as an adsorbent for lead
Izidoro et al. Synthesis of zeolites X and A from fly ashes for cadmium and zinc removal from aqueous solutions in single and binary ion systems
Benhammou et al. Adsorption of metal ions onto Moroccan stevensite: kinetic and isotherm studies
Wajima et al. Zeolite synthesis from paper sludge ash at low temperature (90 C) with addition of diatomite
Boycheva et al. Conversion of coal fly ash into nanozeolite Na-X by applying ultrasound assisted hydrothermal and fusion-hydrothermal alkaline activation
Kyzioł-Komosińska et al. Sorption Capacities of Natural and Synthetic Zeolites for Cu (II) Ions.
Miyake et al. Preparation of activated carbon–zeolite composite materials from coal fly ash
Shah et al. Equilibrium and kinetic studies of the adsorption of basic dye from aqueous solutions by zeolite synthesized from bagasse fly ash
Li et al. Utilization of electrolytic manganese residue to synthesize zeolite A and zeolite X for Mn ions adsorption
Shaila et al. Zeolite synthesis strategies from coal fly ash: a comprehensive review of literature
Majdoubi et al. Novel geopolymer composite based on oil shale and chitosan for enhanced uranium (VI) adsorption: Experimental and theoretical approaches
Le et al. Insight into adsorption-desorption of methylene blue in water using zeolite NaY: Kinetic, isotherm and thermodynamic approaches
Saod et al. Magnesium oxide loaded mesoporous silica: Synthesis, characterisation and use in removing lead and cadmium from water supplies
Zhang et al. Amine-free synthesis of fly ash based ZSM-5 via interzeolite transformation with related investigation of mechanism