Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Weslei M. Ambrós"'
Publikováno v:
Mining, Vol 3, Iss 4, Pp 773-785 (2023)
This paper presents the application of risk analysis associated with the multicriteria decision method, through the MAHP (Monte Carlo analytic hierarchy process) technique for mining. As an example of application, the problem of choosing an access an
Externí odkaz:
https://doaj.org/article/bee602af00c34845a2480ef8de99d5f5
Autor:
Weslei M. Ambrós
Publikováno v:
Recycling, Vol 8, Iss 6, p 85 (2023)
Urban mining has emerged as a concept that goes beyond conventional recycling, as it aims to tackle both the challenges of solid waste generation and management, as well as the scarcity of primary resources. Gravity concentration has gained increasin
Externí odkaz:
https://doaj.org/article/c7336d9e186148f5b1f5c9adf9f0e2c4
Autor:
Artur B. Teixeira, Weslei M. Ambrós, Carlos H. Sampaio, Fortunato L. Q. Raposo, Irineu A. S. De Brum, Josep O. Moncunill
Publikováno v:
Minerals, Vol 12, Iss 9, p 1141 (2022)
Aluminum recycling generates large amounts of hazardous wastes, known as salt slags, consisting mainly of oxides, metallic aluminum, and salt fluxes. Water leaching is a common technique used for salt removal, being a decisive operation due to water
Externí odkaz:
https://doaj.org/article/e7a1c2d7e648405194848fc92c2dae18
Publikováno v:
Environmental Challenges, Vol 2, Iss , Pp 100019- (2021)
Brazil is one of the leading suppliers of colored agates, mostly of its extraction and processing carried out by artisanal miners. Dyeing is the principal method used for color alteration, and the long heating times account for most of the energy con
Externí odkaz:
https://doaj.org/article/fdcf2ee8ed444643a187b874776339ca
Autor:
Viviane L. S. Gschwenter, Rejane M. C. Tubino, Weslei M. Ambrós, Gerson L. Miltzarek, Carlos Hoffmann Sampaio, Josep Oliva Moncunill, Bogdan Grigore Cazacliu, Denise C. C. Dal Molin
Publikováno v:
Minerals, Vol 12, Iss 5, p 532 (2022)
The use of recycled aggregates (RA) to replace natural aggregates (NA) in new concrete production has been pointed out as one of the main strategies to close the loop of construction materials. However, producing RA with properties similar to those o
Externí odkaz:
https://doaj.org/article/f3aa643dc5244a00a06a316be5f3ba3a
Autor:
Weslei M. Ambrós
Publikováno v:
Minerals, Vol 10, Iss 11, p 998 (2020)
For centuries, jigging has been a workhorse of the mineral processing industry. Recently, it has also found its way into the recycling industry, and the increasing concerns related to water usage has led to a renewed interest in dry jigging. However,
Externí odkaz:
https://doaj.org/article/8b8f9b4fce6842579c7111b7354d08ca