Download Biomass for Sustainable Applications: Pollution Remediation by Sarra Gaspard, Mohamed Chaker Ncibi, James H Clark, Andrzej PDF

By Sarra Gaspard, Mohamed Chaker Ncibi, James H Clark, Andrzej Stankiewicz, George A Kraus, Peter R Seidl, Venkata Mohan, Hisao Yoshida, Pierre-Louis Taberna, Borhane Mahjoub, Katerina Demnerova, Alfredo Perezdemora, Pierre Le Cloirec

This ebook publications the reader to making a choice on the neighborhood bioresources that could be valorized and selected for the remediation of a pollution-related challenge or a reaction to an lively need.

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Extra info for Biomass for Sustainable Applications: Pollution Remediation and Energy

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The dye removal time was influenced by the initial dye concentration. 84 investigated the biosorption potential of date stones (DS) and palm tree waste (PTW) for the removal of methylene blue (MB) from aqueous solution. 47 mg gÀ1, respectively. The calculated thermodynamic parameters (DG, DH and DS) showed that the biosorption of MB on both agriculture waste biomasses was spontaneous and endothermic under examined conditions. 85 using raw fibres of Posidonia oceanica, a marine plant. 6 mg gÀ1. The capacity of Posidonia oceanica fibres to remove methylene blue depended on the initial pH of the solution, contact time, initial dye concentration and fibre dosage.

163 used Tanfloc, a new tannin-based coagulant obtained from Acacia mearnsii de Wild at a pilot plant level, to treat four types of waters: surface water (collected from a river); municipal; textile industry (simulated by a 100 mg LÀ1 aqueous solution of an acid dye); and laundry (simulated by a 50 mg LÀ1 aqueous solution of an anionic surfactant). Coagulation, sedimentation and filtration steps were realised during the pilot plant process. 2 mg LÀ1 was used for the other water samples. The removals obtained were 50% for colour, 75% for surfactant, 40% for COD removal and 60% for biochemical oxygen demand over a 5-day period (BOD5) removal.

1039/9781849737142-00001 14 Chapter 1 Biomaterial surfaces can be regarded as a mosaic of different functional groups which are responsible for binding of organic or inorganic ions, including amide (–NH2), carboxylate (–COO–), thiols (–SH), phosphate (PO43À) and hydroxide (–OH). Therefore, the identification of functional groups is very important for understanding the mechanisms responsible for the binding of certain compounds. In the case of metal uptake, the status of biomass (living or non-living), types of biomaterials, properties of metal solution chemistry, ambient/environmental conditions, etc.

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