{"id":7658,"date":"2025-08-02T20:58:34","date_gmt":"2025-08-02T20:58:34","guid":{"rendered":"https:\/\/geoambient.cat\/?post_type=referencies&#038;p=7658"},"modified":"2025-08-02T21:08:39","modified_gmt":"2025-08-02T21:08:39","slug":"environmental-restoration-of-a-watercourse-affected-by-an-accidental-oil-spill","status":"publish","type":"referencies","link":"https:\/\/geoambient.cat\/en\/referencies\/environmental-restoration-of-a-watercourse-affected-by-an-accidental-oil-spill\/","title":{"rendered":"Environmental restoration of a watercourse affected by an accidental oil spill"},"content":{"rendered":"\n<p><strong>Project type:<\/strong> Emergency response to contain the accidental spill of vegetable oils into a watercourse, followed by the delimitation, characterization, and extraction of residual soils and waters affected by the oils, and environmental restoration to recover their natural state.&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Conceptual framework:<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A stream running through various industrial zones and cities over a span of more than 5 km is affected by the accidental spill of vegetable oils from an activity located alongside it.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Emergency response:<\/strong>\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Containment of the spill through the construction of improvised dams in the channel, combined with absorbent materials.\u00a0<\/li>\n\n\n\n<li>Subsequent removal of the spill using suction systems and oleophilic absorbents.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Delineation, characterization, and extraction of remaining contaminated soils:<\/strong>\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Implementation of a sampling plan and contamination delineation.\u00a0<\/li>\n\n\n\n<li>Manual and mechanical excavation.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Environmental restoration:<\/strong>\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reprofiling of the channel and its banks to minimize water erosion.\u00a0<\/li>\n\n\n\n<li>Use of bioengineering techniques, such as vegetated slopes and gabions, to reinforce the most vulnerable riverbanks against damage from flash floods.\u00a0<\/li>\n\n\n\n<li>Planting of native species to restore biodiversity.\u00a0<\/li>\n\n\n\n<li>Application of a treatment to promote the in situ biodegradation of remaining oil traces.\u00a0<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Objective:<\/strong> Restore the natural state of the stream, as it existed prior to human activity, by taking advantage of the emergency response to the vegetable oil spill.&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Data:<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total recovered vegetable oil during the operation: 1,125.74 tons\u00a0<\/li>\n\n\n\n<li>Extracted and treated residual soils (by a licensed waste manager): 3,810.84 tons\u00a0<\/li>\n<\/ul>\n","protected":false},"featured_media":5503,"template":"","categoria_referencia":[68],"class_list":["post-7658","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\/7658","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":3,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/referencies\/7658\/revisions"}],"predecessor-version":[{"id":7663,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/referencies\/7658\/revisions\/7663"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/media\/5503"}],"wp:attachment":[{"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/media?parent=7658"}],"wp:term":[{"taxonomy":"categoria_referencia","embeddable":true,"href":"https:\/\/geoambient.cat\/en\/wp-json\/wp\/v2\/categoria_referencia?post=7658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}