Title
Organic plant wastes as adsorbents used in water purification systems: Removal of Chromium(VI) ions from water,Used
Sold by Ergodebooks, an authorized reseller.
Returns accepted within 30 days | support@ergodebooks.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
Payment Option
Adsorption studies of Cr(VI) were conducted on 623 K or 723 K carbonized pineapple leaves as well as on dried ones. ThermoGravimetric/Differential Thermal Analysis (TGDTA) of raw pineapple leaves revealed two main peaks indicating the change in structure of the material with increasing temperature. Some important parameters such as pH, contact time and solution temperature were evaluated. The results shown the high dependence on the parameters with Cr(VI) anions uptake. The removal rate of 90.1 % and the maximum adsorption capacity of 18.77 mg/g were obtained for 723 K carbonized pineapple leaves. Consistent with an endothermic reaction, the mechanism was found to be chemisorption and the system was well described by the pseudosecond order kinetic model. The intraparticle diffusion model, on the other hand, indicated that the system is governed by both film diffusion and intraparticule diffusion. Adsorption isotherm data were described by both Langmuir and Freundlich models. The calculated value of Gibbs free energy suggested that the reaction was spontaneous. Moreover, the Fourier Transform Infrared Spectrometer studies point out the carboxylate ion, aliphatic group (ester) and
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, please visit www.P65Warnings.ca.gov.