{"id":7692,"date":"2025-08-02T22:18:19","date_gmt":"2025-08-02T22:18:19","guid":{"rendered":"https:\/\/geoambient.cat\/?post_type=referencies&#038;p=7692"},"modified":"2025-08-02T22:28:41","modified_gmt":"2025-08-02T22:28:41","slug":"hydrocarbon-decontamination-in-a-saturated-zone-with-free-phase-extraction","status":"publish","type":"referencies","link":"https:\/\/geoambient.cat\/en\/referencies\/hydrocarbon-decontamination-in-a-saturated-zone-with-free-phase-extraction\/","title":{"rendered":"Hydrocarbon decontamination in a saturated zone with free-phase extraction"},"content":{"rendered":"\n<p><strong>Project Type:<\/strong>\u00a0<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Remediation through excavation and extraction of free-phase fuel in the saturated subsurface using a continuous-loop oleophilic belt system, complemented by a mobilization system through targeted pumping. Effluent water treatment via settling and phase separation.\u00a0<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Conceptual Framework:<\/strong>&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Industrial scrap recycling site contaminated due to historical storage of fuel in underground tanks. Main contaminants: free-phase fuel.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Remediation through selective excavation:\u00a0<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Preliminary geotechnical characterization. Determination of soil bearing capacity.\u00a0<\/li>\n\n\n\n<li>Preliminary soil characterization. Horizontal and vertical delineation of contamination.\u00a0<\/li>\n\n\n\n<li>Determination of soil management pathways.\u00a0<\/li>\n\n\n\n<li>Selective excavation.\u00a0<\/li>\n\n\n\n<li>Temporary soil stockpiling.\u00a0<\/li>\n\n\n\n<li>Disposal in Class II and III landfills.\u00a0<\/li>\n\n\n\n<li>Verification of remaining soils.\u00a0<\/li>\n\n\n\n<li>Backfilling using reused soils from the site and imported clean fill.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Saturated zone remediation using Abanaki system + Pump &amp; Treat (P&amp;T):\u00a0<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Free-phase fuel extraction in a large-diameter (250 mm) monitoring well using a continuous-loop oleophilic belt.\u00a0<\/li>\n\n\n\n<li>Mobilization of surrounding contamination to reduce lateral plume spread via targeted electric pumping.\u00a0<\/li>\n\n\n\n<li>Generation of capture cones.\u00a0<\/li>\n\n\n\n<li>Effluent water treated through settling and phase separation.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Objective:<\/strong>\u00a0<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Elimination of primary and secondary sources through removal of underground tanks and, primarily, contaminated soils. Secondary objective: removal of free-phase floating fuel in the saturated zone.\u00a0<\/p>\n\n\n\n<p><strong>Key Data:<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excavation area: 165 m\u00b2\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Volume of excavated soil:\u00a0<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clean soil: 0 m\u00b3\u00a0<\/li>\n\n\n\n<li>Recovered\/valorized soil: 165 m\u00b3\u00a0<\/li>\n\n\n\n<li>Class III managed soil: 15 m\u00b3\u00a0<\/li>\n\n\n\n<li>Total managed soil: 180 m\u00b3\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Managed tonnage:\u00a0<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recovered: 278 tons\u00a0<\/li>\n\n\n\n<li>Class III: 25 tons\u00a0<\/li>\n\n\n\n<li>Volume of treated water: 15 m\u00b3\u00a0<\/li>\n\n\n\n<li>Volume of fuel removed: 1.3 m\u00b3\u00a0<\/li>\n<\/ul>\n","protected":false},"featured_media":5171,"template":"","categoria_referencia":[68],"class_list":["post-7692","referencies","type-referencies","status-publish","has-post-thumbnail","hentry","categoria_referencia-contaminated-soils"],"acf":[],"_links":{"self":[{"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/referencies\/7692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/referencies"}],"about":[{"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/types\/referencies"}],"version-history":[{"count":2,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/referencies\/7692\/revisions"}],"predecessor-version":[{"id":7699,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/referencies\/7692\/revisions\/7699"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/media\/5171"}],"wp:attachment":[{"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/media?parent=7692"}],"wp:term":[{"taxonomy":"categoria_referencia","embeddable":true,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/categoria_referencia?post=7692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}