Monetary valuation of salicylic acid, methylparaben and THCOOH in a Mediterranean coastal wetland through the shadow prices methodology

作者: Águeda Bellver-Domingo , Ramón Fuentes , Francesc Hernández-Sancho , Eric Carmona , Yolanda Picó

DOI: 10.1016/J.SCITOTENV.2018.01.303

关键词: WetlandEnvironmental scienceBalance of natureShadow pricePopulation equivalentEnvironmental engineeringEffluentEcosystem servicesWater qualitySewage treatment

摘要: Abstract The presence of pharmaceutical and personal care products drugs abuse (PPCPs) in wastewater treatment plants (WWTPs) indicates discharge the effluent may not be suitable for ecological balance water ecosystems, such as wetlands. These PPCPs degrade quality, considered an ecosystem service (ES), provoking serious environmental impacts. Assessing monetary value can used a proxy status ES quality (ESWQ). Considering non-desirable outputs WWTPs, shadow prices methodology has been implemented using directional distance function to measure avoided cost removing salicylic acid (SA), methylparaben (MP), THCOOH from WWTPs effluents discharged Albufera Natural Park (Spain). SA shows highest price (138.16 €/μg), followed by (48.15 €/μg), MP (30.66 €/μg). values are interpreted that would if SA, MP, were removed effluents. non-parametric tests show technology, together with population equivalent (as size urban areas) seasonality factors influence obtained. approach this study highlights use indicators ESWQ quantified units. As way synthesize essential concepts implement approach, proposes flow diagram represent relationship between all involved work. proves is associated measurable improvement Park. findings will useful plant managers order make decisions about removal

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