September 30, 2013

Alcoa presents the method and results of the rehabilitation of mined-out areas


The subject will be dealt with during an international event in Santarém
From Tuesday, October 1 – 4, Alcoa is taking part in the 6th Brazil-Germany Sustainable Development Symposium, on the campus of the Federal University of the West of Pará (UFOPA), in Santarém. The company will present the methodology it used and the results of the process adopted for rehabilitating mined-out areas in Juruti.
The process uses various nucleation (nutrients comprising earth, seeds and tree branches) techniques, which consist in depositing piles of branches and organic soil on the mined-out area to produce a natural base for the development of flora and fauna species. Native forest species are also planted. So far 132 hectares of mined-out areas are in the process of being rehabilitated and periodically monitored to evaluate how the work is evolving.
Susiele Tavares, the forest engineer who is responsible for the project, will represent Alcoa at the Symposium. According to Ms. Tavares, this technique first appeared in Australia. Before being applied in Juruti, various tests were carried out in the south and southeast of Brazil, but the company was the pioneer in introducing it in the Amazon region. “This technique was considered the best rehabilitation method for mined-out areas in the last corporate global audit, carried out this year. This means that the model can serve as an example to be replicated in other units of the company”, she explains. Recognized worldwide, the practice also served as the model for Ibama’s (Brazilian Institute of the Environment and Renewable Natural Resources) Mined-out Areas Rehabilitation Manual.
The 6th Brazil-Germany Sustainable Development Symposium has taken place every two years since 2003 and alternates between the two countries. The theme of this year’s edition, “The Amazon – Integrated Management of Sustainable Development”, is aimed at encouraging discussion about various sustainable issues involving local communities. In conjunction with participating institutions, the objective of the Symposium is to debate and establish cooperation programs in science and technology that look for new alternatives for making better use of the biodiversity of the Amazon region.


About Alcoa


Alcoa Alumínio S.A. is a subsidiary of Alcoa Inc. which is the world’s leading producer of primary aluminum and fabricated aluminum, as well as the world’s largest miner of bauxite and refiner of alumina. The company employs approximately 61,000 people in 31 countries and for the twelfth consecutive year the company is a member of the Dow Jones Sustainability Index. Alcoa is present in Latin America and the Caribbean where it has operations in Brazil, Jamaica and Suriname and about 7,000 employees.  This year, the company completes 125 years of operations in the world.


In Brazil the company operates in the whole of the aluminum production chain, from bauxite mining to the production of transformed products. Alcoa has six production units and three offices in the states of Maranhão, Minas Gerais, Pará, Pernambuco, Santa Catarina, São Paulo and the Federal District. The company also has shareholdings in four hydroelectric power stations: Machadinho and Barra Grande on the border of the states of Santa Catarina and Rio Grande do Sul; Serra do Facão in Goiás; and Estreito, between Maranhão and Tocantins. In 2012, Alcoa recorded revenues of R$ 2,6 billion in Brazil. In the same year it was considered a benchmark in sustainability, being one of the year’s 21 model companies in the Guia EXAME de Sustentabilidade [EXAME Magazine’s Sustainability Guide]. In 2013, it was recognized for the twelfth time as one of the Best Companies to Work and for the second consecutive year the Best Company for Women to Work in Brazil, by the Great Place to Work Institute. Further information can be found at and follow @Alcoa on Twitter at and follow Alcoa on Facebook at