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case of study for gold mining wastewater in costarica

Sep 04 2020 · Walter Espinoza the general director of Costa Rica’s Judicial Investigation Department Organismo de Investigación Judicial OIJ said the investigation into the mining ring began in April 2019 after authorities at San José’s Juan Santamaría International Airport noticed an unprecedented amount of gold listed in export documents...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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