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Arsenic removal from water/wastewater using adsorbents--A critical review.
Strong acids and bases seem to be the best desorbing agents to produce arsenic concentrates, and some commercial adsorbents which include resins, gels, silica, treated silica tested for arsenic removal come out to be superior. Expand
Activated carbons and low cost adsorbents for remediation of tri- and hexavalent chromium from water.
  • D. Mohan, C. Pittman
  • Environmental Science, Medicine
  • Journal of hazardous materials
  • 21 September 2006
The sorption capacities of commercial developed carbons and other low cost sorbents for chromium remediation are provided, and particular attention is paid to comparing the sorption efficiency and capacities of commercially available activated carbons to otherLow cost alternatives. Expand
Sorption of arsenic, cadmium, and lead by chars produced from fast pyrolysis of wood and bark during bio-oil production.
Oak bark out-performed the other chars and nearly mimicked Calgon F-400 adsorption for lead and cadmium, and the oak bark char's ability to remove Pb(II) and Cd( II) is remarkable when considered in terms of the amount of metal adsorbed per unit surface area. Expand
Organic and inorganic contaminants removal from water with biochar, a renewable, low cost and sustainable adsorbent--a critical review.
A review of recent applications of biochars, produced from biomass pyrolysis (slow and fast), in water and wastewater treatment, and a few recommendations for further research have been made in the area of biochar development for application to water filtration. Expand
Modeling and evaluation of chromium remediation from water using low cost bio-char, a green adsorbent.
It is remarkable that oak chars can remove similar amounts of Cr(VI) as activated carbon (S(BET): ∼ 1000 m(2)g(-1)). Expand
Cadmium and lead remediation using magnetic oak wood and oak bark fast pyrolysis bio-chars
Abstract Magnetic oak wood biochar (MOWBC) and magnetic oak bark biochar (MOBBC) were obtained from oak wood and oak bark biochars made by fast pyrolysis during bio-oil production. These wereExpand
Pyrolysis of Wood and Bark in an Auger Reactor: Physical Properties and Chemical Analysis of the Produced Bio-oils
Bio-oil was produced at 450 °C by fast pyrolysis in a continuous auger reactor. Four feed stocks were used: pine wood, pine bark, oak wood, and oak bark. After extensive characterization of the wholeExpand
Magnetic magnetite (Fe3O4) nanoparticle synthesis and applications for lead (Pb2+) and chromium (Cr6+) removal from water.
Fe3O4 nanoparticles are promising potential adsorbents and exhibited remarkable reusability for metal ions removal in water and wastewater treatment. Expand
Single, binary and multi-component adsorption of copper and cadmium from aqueous solutions on Kraft lignin--a biosorbent.
The sorption capacity of black liquor lignin is higher than many other adsorbents/carbons/biosorbents utilized for the removal of Cu( II) and Cd(II) from water/wastewater in single and multi-component systems. Expand
Heavy metals [chromium (VI) and lead (II)] removal from water using mesoporous magnetite (Fe3O4) nanospheres.
These magnetite nanospheres with hollow interiors successfully remediated Cr(6+) and Pb(2+) from water and can be used to isolate and regenerate the used adsorbent. Expand