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Resources, Volume 13, Issue 11

November 2024 - 16 articles

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Cover Story: Locating the optimum operating points for the maximisation of flotation recovery and concentrate grade can be a very difficult task, owing to the inverse relationship that exists between these two key performance indicators. This work extracted well-assessed Gaussian process predictive functions to act as objective functions for a comparative and multiobjective optimisation study using the pareto search algorithm (PA) and the controlled elitist non-dominated sorting genetic algorithm (controlled-NSGA-II). The main aim was the concomitant maximisation of copper recovery and concentrate grade. Comparison of the two applied techniques revealed that the PA discovered the best set of pareto-optimal solutions for the maximisation of both recovery (93.4%) and concentrate grade (17.4 wt.%). View this paper

Articles (16)

  • Article
  • Open Access
1 Citations
2,405 Views
14 Pages

Carbon Footprint of Additively Manufactured Precious Metals Products

  • Mario Schmidt,
  • Jochen Heinrich and
  • Ingwar Huensche

20 November 2024

Traditionally, precious metals are processed by either lost-wax casting or the casting of semi-finished products followed by cold or hot working, machining, and surface finishing. Long process chains usually conclude in a high material input factor a...

  • Article
  • Open Access
2 Citations
1,986 Views
17 Pages

Dynamics of Amaranthus in Urban and Rural Value Chains in Communities of KwaZulu-Natal Province, South Africa

  • Ruth N. Olusanya,
  • Unathi Kolanisi,
  • Nomali Z. Ngobese and
  • Chinsamy Mayashree

15 November 2024

Sub-Saharan Africa falls among the developing countries with poor standards of living contributing to the high prevalence of malnutrition. Interventions have been conducted, but malnutrition continues to linger, with devastating impacts on vulnerable...

  • Article
  • Open Access
2 Citations
1,253 Views
19 Pages

13 November 2024

The paper presents the results of a comparative microfluidic study of the oil displacement process from a microfluidic chip simulating rock. Suspensions of spherical nanoparticles of silicon oxide (22 nm) and aluminum oxide (11 nm), as well as alumin...

  • Article
  • Open Access
4 Citations
2,440 Views
14 Pages

Water Quality of Rainwater Harvesting Systems and Acceptance of Their Reuse in Young Users: An Exploratory Approach

  • Pablo Vidal,
  • Ana María Leiva,
  • Gloria Gómez,
  • Marcela Salgado and
  • Gladys Vidal

12 November 2024

The main objective of this study is to evaluate the water quality of different rainwater harvesting (RWH) systems and the social acceptance of their reuse in young users as an exploratory approach. Three RWH systems were implemented, and the quality...

  • Article
  • Open Access
3,555 Views
16 Pages

Developing Guidelines for Azolla microphylla Production as Compost for Sustainable Agriculture

  • Ornprapa Thepsilvisut,
  • Nuengruethai Srikan,
  • Preuk Chutimanukul,
  • Rusama Marubodee and
  • Hiroshi Ehara

8 November 2024

Azolla is a substitute compost that has the potential to enhance nutrient cycling in agricultural systems for sustainable development. In this study, four experiments were conducted to compare the Department of Agriculture (DOA, Thailand)’s met...

  • Feature Paper
  • Article
  • Open Access
3 Citations
1,272 Views
16 Pages

Multiobjective Optimisation of Flotation Variables Using Controlled-NSGA-II and Paretosearch

  • Bismark Amankwaa-Kyeremeh,
  • Conor McCamley,
  • Kathy Ehrig and
  • Richmond K. Asamoah

7 November 2024

Finding the optimum operating points for the maximisation of flotation recovery and concentrate grade can be a very difficult task, owing to the inverse relationship that exists between these two key performance indicators. For this reason, technique...

  • Article
  • Open Access
6 Citations
2,653 Views
18 Pages

Apple Pomace Integrated Biorefinery for Biofuels Production: A Techno-Economic and Environmental Sustainability Analysis

  • Ricardo Rebolledo-Leiva,
  • Sofía Estévez,
  • Diógenes Hernández,
  • Gumersindo Feijoo,
  • María Teresa Moreira and
  • Sara González-García

7 November 2024

The combination of techno-economic process modelling and life cycle assessment is an integrated methodology that addresses quantitative operational data, and evaluates the emissions associated with any process under development. In particular, the va...

  • Article
  • Open Access
1 Citations
1,694 Views
16 Pages

Exploring Acceptance of Agro-Biomass as Innovative Solution for Heating in Rural Areas in Romania

  • Ibolya Török,
  • Enikő Mátyus,
  • Tihamér-Tibor Sebestyén,
  • Carmen Păunescu and
  • Kinga Xénia Havadi-Nagy

30 October 2024

This paper aims to examine what can predict the adoption of agro-biomass as an innovative heating solution in rural areas. It explores the social acceptance of agro-biomass such as agriculture byproducts for heating in a rural context. The objectives...

  • Article
  • Open Access
1 Citations
1,588 Views
16 Pages

Local Use of Mangroves on the Coast of Southeastern México

  • Carlos Alberto Martínez-Márquez,
  • Ángel Sol Sánchez,
  • Juan Manuel Zaldívar Cruz,
  • Saúl Sánchez Soto,
  • Nydia Del Rivero Bautista and
  • Mario Manuel Aliphat Fernández

29 October 2024

Mangroves are essential for the well-being of the inhabitants of coastal areas, who have extensive knowledge about the use and exploitation of this resource. However, this knowledge is decreasing, which could trigger negative repercussions for this e...

  • Feature Paper
  • Article
  • Open Access
4 Citations
1,784 Views
18 Pages

Sources Affecting Microplastic Contamination in Mountain Lakes in Tatra National Park

  • Piotr Kiełtyk,
  • Kamil Karaban,
  • Agnieszka Poniatowska,
  • Angelika Bryska,
  • Tomasz Runka,
  • Zuzanna Sambor,
  • Piotr Radomski,
  • Tomasz Zwijacz-Kozica and
  • Anita Kaliszewicz

25 October 2024

The global atmospheric transport of microplastics (MPs) plays a crucial role in the contamination of remote, especially higher-elevation, environments. Precipitation is considered the main source of MP pollution. Meanwhile, plastic waste generated fr...

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