By Ferhan Cecen, Ouml;zgür Aktas
This monograph presents complete insurance of applied sciences which combine adsorption and organic tactics in water and wastewater therapy. The authors supply either an advent to the subject in addition to an in depth dialogue of theoretical and sensible considerations.After a evaluation of the fundamentals taken with the chemistry, biology and know-how of built-in adsorption and organic removing, they speak about the setup of pilot- and full-scale therapy amenities, protecting powdered in addition to granular activated carbon. They elucidate the standards that effect the profitable operation of built-in structures. Their dialogue on built-in structures expands from the consequences of environmental to the elimination of assorted pollution, to regeneration of activated carbon, and to the research of such platforms in mathematical phrases. The authors finish with a glance at destiny wishes for examine and develoment.A really invaluable source for environmental engineers, environmental and water chemists, in addition to pros operating in water and wastewater therapy.
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Extra info for Activated Carbon for Water and Wastewater Treatment: Integration of Adsorption and Biological Treatment
According to Sontheimer and co-workers, the better adsorbable compound inﬂuences the adsorbability of the weakly adsorbable one rather than the reverse . In such a case, adsorption data of the weakly adsorbable compound takes a curved shape , as seen in the case of phenol in another study . 4). The adsorption behavior of multiple substrates is also important, in particular from the aspect of bioregeneration, when activated carbon adsorption is combined with biological processes.
Integration of PAC adsorption with membrane processes In recent years PAC has been integrated into Membrane Bioreactors (MBR) to bring about a positive effect on contaminant removal and to prevent membrane biofouling. 2 Combined Attached-Growth Processes The Biological Activated Carbon (BAC) Process While PACT is a modiﬁcation of a suspended-growth process, BAC is essentially a bioﬁlm process that is based on the establishment of biological activity in a GAC adsorber by gradual attachment of microorganisms and development of a bioﬁlm.
K. Wang, Y. T. Hung and N. , Totowa, New Jersey, USA pp. 449–489. 1 Activated Carbon Activated carbons are porous carbonaceous adsorbents. 1) can be removed from water and wastewater by adsorption onto activated carbon, and some inorganic solutes can also be removed by this means. The porous surface of activated carbon adsorbs and retains solutes and gases, the amount of material adsorbed being potentially very large because of the great internal surface of activated carbon. 8 cm3gÀ1. It is mainly used in the form of powdered activated carbon (PAC) or granular activated carbon (GAC).