Read e-book online Biomass for Sustainable Applications: Pollution Remediation 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

ISBN-10: 1849736006

ISBN-13: 9781849736008

This publication courses the reader to deciding on the neighborhood bioresources that may be valorized and selected for the remediation of a pollution-related challenge or a reaction to an lively need.

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Additional resources for Biomass for Sustainable Applications: Pollution Remediation and Energy

Example text

They proposed a main coagulation mechanism involving precipitate charge neutralization of aluminium sulfate with adsorption bridging when enteromorpha was added, leading to better coagulation performance when the compounds were combined. Alginic acid or alginate is a natural polysaccharide obtained from marine brown algae, formed of two monomeric units: a-L guluronic acid (G) and b-D mannuronic acid (M). 193,194 It forms the so-called ‘egg-box’ structure with calcium ions. Due to its ability to form this gel with calcium and other with metal cations, alginate is an industrially important biopolymer with many applications.

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.

The banana peel showed a high adsorption capacity of phenolic compounds (689 mg gÀ1), revealing that it could be employed as a promising adsorbent for phenolic compounds adsorption. 88 on Acacia leucocephala bark, an agricultural solid waste. The effect of experimental parameters such as contact time, effect of pH (2–10), initial concentration of adsorbate (50–200 mg LÀ1) and amount of biosorbent dosage was evaluated. 0. The equilibrium time was found to be 3 h. Increasing the biosorbent dose increased and the percentage removal of 2,4,6TCP, while the adsorption capacity at equilibrium (mg gÀ1) decreased.

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Biomass for Sustainable Applications: Pollution Remediation and Energy 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


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