Bauxite
25 resultados para Bauxite
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Alcoa bets on power transmission to decarbonize bauxite mine
With the aim of reducing carbon emissions in the operations of the Juruti mine, in the state of Pará, currently powered by fossil fuel, Alcoa will invest around R$130 million in a contract with Equatorial Energia to build 51 kilometers of transmissio...
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Grandes projetos minerários e comunidades tradicionais na Amazônia: impactos e perspectivas
Os Grandes Projetos minerários foram inseridos no ambiente amazônico a partir da década de 1950, com o projeto de extração de bauxita no Amapá, comandado pela ICOMI, no contexto da reorganização da divisão internacional do trabalho no pós-guerra. Contudo, na década de 1970 este cenário foi ampliado a partir dos primeiros ecos da crise capitalista, reforçando o papel da Amazônia como fornecedora...
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A inconstitucional tentativa de cobrar ICMS nas exportações de minerais metálicos
Opinião: cobrar ICMS de exportação de minerais é inconstitucional
...Here and there a country rivaled the United States in one or another mineral—France in bauxite, for example—but no other nation was remotely close to the United States in the depth and range of its overall mineral abundance. Furthermore, ... -
Analysis: Vale slims down business portfolio
... discipline.On Thursday, Vale took another step in this direction by announcing the sale of its 40% stake in Mineração Rio do Norte, a bauxite (aluminum ore) producer, to the Norwegian group Hydro, a major European metals producer.MRN was founded in the late 1970s to extract bauxite from ...
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Alcoa is back to aluminum mining, production in Brazil
... in the Brazilian aluminum industry for almost six decades, is once again positioning itself in the country, with production ranging from bauxite mining to alumina and raw metal. Globally, aluminum has gained new market dynamics, with applications in the electrification of vehicles and other ...
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Social movements against large mining companies in Brazil
Based on a survey of primary data, this paper aims to analyze and analyze some strategies and counter strategies of social movements that deal with the extraction of ores in Brazil, in order to verify the formation and development of conflicts arising from social and environmental impactsand human rights violations caused by large mining companies in the country. To do so, the problem was first...
... geological diversity, with, for example, the largest niobium reserve (88.3%), the second largest reserve of kaolin (4.1%), the third bauxite (12.2%), the ifth largest iron ore reserve (8.3%), and the sixth largest tin stock (7.5%) of the existing deposits. This does not take into account ... -
Dutch court to decide whether to accept case of contamination in Brazil
...The company operates a refinery, a smelting plant and a bauxite mine in Pará.The most recent disaster, in February 2018, caused toxic sludge to spill into the reservoirs of the Alunorte and Albrás operations, ...
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U.S. wants more access to critical minerals from Brazil
...In addition, the country produces 13% of the world’s bauxite for aluminum production; 8% of natural graphite, used for batteries and material for steel production; and 9% of the world’s tantalum, which is ...
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Chamber considers tripling mining royalties to pay nurses
...The tax rate on gold would increase to 5% from 1.5%. Taxes on copper, nickel and aluminum would increase to 5.5% from 2%. Bauxite and niobium would be taxed at 6.5%. The other minerals would have no rate change, according to the proposal.In the document, Mr. Andrade cites the ...
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The U.S. Generalized System of Preferences and the Brazil
Este artigo verifica se os bens objeto do acordo entre Brasil e Estados Unidos da América no Sistema Geral de Preferências (SGP) beneficiam a balança comercial brasileira. A pesquisa centrou-se no direito do comércio internacional, no funcionamento do SGP e nos dados de exportação do Brasil. Os estudos realizados apontam que, apesar da tarifa não ser o único fator que dificulta a exportação, a...
...Among the basic products there are agricultural products (e.g.soy, corn, cotton, meat) and mineral products (e.g. iron, manganese, bauxite). Among the manufactured products there are automobiles, airplanes and electronics. Lastly, the semi-manufactured products are raw materials that ... -
Introdução
...ées utilisées à des fins thérapeutiques ou de loisirs ; 3° De l'alun, des sulfates autres que les sulfates alcalino-terreux ; 4° De la bauxite, de la fluorine ; 5° Du fer, du cobalt, du nickel, du chrome, du manganèse, du vanadium, du titane, du zirconium, du molybdène, du tungstène, de ...
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Developing Operational Capabilities in the Collaborative Practice-Adoption Process through Different Triadic Structures.
... the groups: consumer, electronics and energy, health care, industrial, safety and graphics A mineral transformation industry, processing bauxite, electrofusion, generating aluminum oxide Tablet computers, mobile phones, smartphones, two-way radios, networking systems, cable television systems, ...
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International implications in the anglophone crisis in cameroon
This article sheds particular light on the Anglophone crisis in Cameroon, focusing in particular on its internationalization. It exposes the highlights of the manifestation of insecurity in the English-speaking regions of Cameroon. This article finally proposes to explain the roles and intentions of international actors as they attempt to lay the foundations for/or increase their influence in...
... concert of the nations in Cameroon and mainly on the Anglophone crisis to take advantage of subsoil rich in raw materials and ores (diamond, bauxite, gold, lithium,copper..).Hence, it promotes the rapid development of Cameroonian territories, by the construction of bridges, highways and railways ... -
Access to digital information in Brazil in cases of accidents: the example of Mariana's tragedy
This article aims to discuss access to information on environmental accidents in Brazil, considering the digital age. The theme is justified by the importance of such information, which has the potential not only to prevent new accidents but also to save lives. To do so, we used the example of the dam accident occurred in Bento Rodrigues, Mariana district, in the State of Minas Gerais. In the...
...4 billion liters of black liquor. In 2007, the Miraí dam (MG) broke and poured more than two million liters of bauxite sludge. A thousand and two hundred houses were hit and about 4. 000 people were evicted. In 2009, the breach of the coal ines dam at the Cruz de ... -
Changes To The CFEM, The Brazilian Mining Royalty
...Gold has now a 1.5% rate. Diamonds and other mineral products, on their turn, are now levied on a 2% rate, while bauxite, manganese, niobium and rock salt have a 3% rate. The Government intended to create progressive rates for the iron ore, according to its ...
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Changes On Brazilian Mining Sector
...; 1,5%: rocks, sand, gravel, clay and other minerals used in civil construction; 2%: gold and other minerals, except for iron ore; and 3%: bauxite, manganese, diamond, niobium, potassium and halite; For mining ore: progressive tax rates, according to the international price: 2%: below US$ ...
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Brazilian Electricity Market Reforms
... is hoped that the reforms may stimulate investment in the sector, which has been negligible over the past decades, notwithstanding Brazil's bauxite reserves and abundance of hydroelectric power. In addition to industrial users, the greater Brazilian economy will benefit from the current ...
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RESOLUÇÃO GECEX Nº 199, DE 4 DE MAIO DE 2021
...[..] their production capacity shall exceed 500 000 tonnes/year1282 as well as qualitative requirements concerning products the quality of bauxite products must comply GB/T24483-2009, the quality of alumina products must comply with YS/T803-2012 and equipment. The production process is also ...
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CIRCULAR Nº 13, DE 22 DE FEVEREIRO DE 2021
..., [..] their production capacity shall exceed 500 000 tonnes/year'1282 as well as qualitative requirements concerning products 'the quality of bauxite products must comply GB/T24483-2009, the quality of alumina products must comply with YS/T803-2012' and equipment. The production process is also ...
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RESOLUÇÃO GECEX Nº 199, DE 4 DE MAIO DE 2021 (*)
...[¼] their production capacity shall exceed 500 000 tonnes/year1282 as well as qualitative requirements concerning products the quality of bauxite products must comply GB/T24483-2009, the quality of alumina products must comply with YS/T803-2012 and equipment. The production process is also ...
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CIRCULAR Nº 2, DE 27 DE JANEIRO DE 2022
...[..] their production capacity shall exceed 500 000 tonnes/year1282 as well as qualitative requirements concerning products the quality of bauxite products must comply GB/T24483-2009, the quality of alumina products must comply with YS/T803-2012 and equipment. The production process is also ...
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CIRCULAR No 13, DE 4 DE MARÇO DE 2020
..., [..] their production capacity shall exceed 500 000 tonnes/year'1282 as well as qualitative requirements concerning products 'the quality of bauxite products must comply GB/T24483-2009, the quality of alumina products must comply with YS/T803-2012' and equipment. The production process is also ...
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Anexo I - Parte II
...bauxite resources is outstanding. Resource protection is limited and reserves account for only 2.4% of the world's total reserves. But the annual mining ...
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Onwards And Upwards For Brazil
... This example is not wholly representative. Brazil leads the stakes in niobium production and has a huge global influence on the tantalum, bauxite, iron ore and manganese spaces, but much of its copper, nickel and gold resources are still awaiting development. Unlocking the code. An issue ...
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CIRCULAR Nº 60, DE 9 DE SETEMBRO DE 2021
...One must note that higher purity bauxite deposits have had a large impact on caustic demand. The better the bauxite deposit the less caustic used for alumina production. A large smelter in ...