Avaliação das técnicas de remediação do solo e água contaminados pelo derrame do gasóleo, usadas pela empresa Conut Organic na bacia do Rio Umbeluzi

Abstract

The present work, entitled “Evaluation of Soil and Water Remediation Techniques Contaminated by the Gas Oil Spill”, was carried out with the aim of identifying the methods used for soil and water remediation in contaminated sites, compare the results obtained by each method as recommended in Mozambican legislation and international, and assess the risks associated with soil and water contamination in affected locations. To evaluate the techniques it was necessary to identify the various platforms technological and physical techniques used in this type of incident, in order to know the techniques and used equipment. For this work it was necessary to use the techniques most common when it comes to this type of incident. For efficient intervention, there was a need to use absorbents, containment barriers, cushions and application of products such as conut zorb in bulk, blue planet ACF and MX-70. The methods used by the company Conut Organic showed good results, as until the 15th of September 2021, the water no longer showed signs of diesel contamination, and good part of the soil had already been remediated, as on April 1, 2021 the borders F1, F2, F3, F4 and F5 had respectively 39,500 mg/kg, 32,000 mg/kg, 14,000 mg/kg, 32 100 mg/kg and 17000 mg/kg. In this way, it can be said that the techniques used by company Conut Organic were efficient (Tradução Nossa).