Abstract
Approximately 5.2 million pounds (2.36 million kg) of pesticides were used worldwide in 2008. In the United States alone, there are sales of more than 1,055 registered active ingredients found in 16,000 pesticides. There are negative environmental and human health consequences from the use of pesticides.
In the Mediterranean region strawberries and grapes are grown and wines produced with the use of irrigation and pesticides to maximize yields and profits. Pesticide residuals including the metals they contain, have been detected in food, fruit, juices and wines. The organic chemical architecture of pesticides is quite complex and variable. Activated carbon adsorption is the best broad-spectrum treatment available for the removal of pesticides from, fruit, juices wines as well as contaminated irrigation water. Also, activated carbon is employed in wine fining protocols to produce positive quality changes.
Environmental regulations are in place or being promulgated that will necessitate the use of activated carbon treatment in the future. The viability of activated carbon use depends on the economical regeneration of the spent adsorbent. In this paper a Low Energy Chemical Regeneration Process (LECRP) will be described. The process involves the adsorption of contaminants on activated carbon followed by regeneration of the adsorbent via Fenton based oxidations. The operational parameters of the LECRP, adsorbent selection, iron amendment protocol and optimum dose, hydrogen peroxide dose and reaction temperature are discussed.
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Sierka, R.A. (2013). Activated Carbon Adsorption and Chemical Regeneration in the Food Industry. In: Coca-Prados, J., Gutiérrez-Cervelló, G. (eds) Economic Sustainability and Environmental Protection in Mediterranean Countries through Clean Manufacturing Methods. NATO Science for Peace and Security Series C: Environmental Security. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5079-1_5
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