Wheel washers implanted at the exits of unpaved yards.
Signature of an agreement with UFES to promote the development of research on environmental impacts control.
This was the first of several investments in partnership with educational institutions.
Planting of 1.5 million trees, covering 56% of the total area occupied by the plant.
Implementation of the ‘Summer Plan’, an unprecedented initiative to face the seasonal high insolation and stronger winds.
Vehicle wheel washers were implanted at the exits of unpaved yards.
Partnership with the State Secretariat for the Environment (SEAMA) to implement the Automatic Air Quality Monitoring Network in the Great Vitória area. The network is currently managed by the State Institute of Environment and Water Resources (IEMA) and daily provides online data and information on air quality.
Learn more on http://www.meioambiente.es.gov.br
Inauguration of the Environmental Monitoring Supervision Centre, created to manage and treat environmental monitoring data, providing real-time support to operational and maintenance teams who work with environmental controls.
UN’s approval for the first Clean Development Mechanism (CDM) project with electricity cogeneration from the use of steelmaking gas (LDG), a fact that made Tubarão the first integrated steel producer in the world to be authorized to sell carbon credits according to the Kyoto Treaty.
Works to expand 7.5% of production capacity are completed, which included a US$ 200 million investment in environmental control equipment and systems.
Implementation of new control equipment to reduce sulphur dioxide (SO2) emissions at the Coke plant. The Claus System, from Germany, uses SO2 to produce high purity sulphur in the solid and liquid phases and such by-product is used by the chemical and fertilizer industry.
Installation of a wind fence around Sol Coqueria’s Coal Yard. The 450m long and 30m high project was developed to technically meet the demand of the place, which has little space to implement a Green Belt.
UN’s approval for the 2nd Clean Development Mechanism (CDM) project, which consists of the cogeneration of electric energy from the heat recovered in the coke production process, at Sol Coqueria. This CDM project is expected to reduce about 3.4 Mt CO2 in ten years, in addition to having all the environmental impacts controlled and approved by the environmental authorities.
Environmental Investment Plan begins to be executed, focusing on reducing visible emissions.
With the revamp of the Electrostatic Precipitators and implementation of thermal insulation improvements to the ducts, phase 2 of the investment plan was concluded at the Sinter Plant.
Complete change of bags and performance optimization of the four-bag filter set in order to improve the efficiency of capture and treatment of gases generated in the steelmaking process.
Trial campaigns were carried out using fans and water spray nozzles in the Slag Yard.
Revamp of the bag filter in the coke furnace discharging system at the Coke plant, with 50% increase of its filtering capacity.