0183;Minerals are essential for our existence, and some are decisive for the advancement of modern and environment-friendly technology. The global demand for raw materials continues to rise, while certain commodities may become scarce (Gorman and Dzombak, 2018; L&
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0183;This review paper explores the potential of bioleaching as a sustainable alternative for recovering metals from solid matrices. With over 12 billion tons of solid waste annually worldwide, bioleaching provides a promising opportunity to extract metals from solid waste, avoiding harmful chemical processes. It explains bacterial and fungal bioleaching[سؤال
0183;There are many literature reviews focused on discussing a single aspect related to waste which contains lithium and zinc for example, sources, recovery processes or environmental impacts (Jones et al., 2014, Luo et al., 2023, Top&سؤال
0183;Water pollution is a pressing global issue significantly affecting ecosystem health, biodiversity, and human well-being. While numerous studies have concentrated on toxic metals like cadmium, lead, and mercury, essential metals such as copper and zinc often receive less attention. This review focuses on the distribution and occurrence of copper and zinc in&سؤال
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Supplier of Environmentally-friendly Sand & Gravel Solutions Service Provider of Smart Energy-saving Electric Control Management cone crusher and sand making machine as the core crushing equipment. On this basis, we have developed 10 series and more than 100 models to form a combination of high, medium and low, which can meet the production
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226;ˆ’reduction method from copper smelting slag Qing-hua TIAN*, Zhong-chen LI*, Qin-meng WANG, Xue-yi GUO School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 17 August 2022; accepted 4[سؤال
0183;Biochar production through thermochemical processing is a sustainable biomass conversion and waste management approach. However, commercializing biochar faces challenges requiring further research and development to maximize its potential for addressing environmental concerns and promoting sustainable resource management.&سؤال
0183;Solvent extraction is a purification (Kaya et al. 2020) and the separation process between two immiscible liquid phases, where two or more components are separated based on their unequal solubilities (Kaya 2019).The objective of this process is to transfer a solute from one liquid (feed solution) to another liquid (immiscible solvent).[سؤال
0183;The water quality Regulation 2006 set limits for copper, lead and zinc in the public sewers discharge as 1 mg/L, 0.1 mg/L and 5 mg/L. Therefore, for this study higher concentration (138 mg/l) was taken for further investigation and the concentration for copper, lead and zinc was taken to be 138 mg/l.[سؤال
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Typical particle size distribution curve and electronic microscope image of mine tailings. Mine tailings must be stored in a safe and controlled manner in a tailings storage facility where there is a containment dam and a reservoir area for the storage of these mining wastes [].In addition, it is important to highlight that the management of water that has come into contact with the mine
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0183;The main components of soil include several heavy metals, including nickel, cobalt, zinc, chromium, manganese, mercury, copper, and cadmium (Chen et al., 2021).The Agency for the Disease Registry and Toxic Substances and the United States Environmental Protection Agency (US) declared that the aforementioned metals are on the list of top twenty[سؤال
0183;Herein, an environmentally friendly and bilayer structured fabric with timely bactericidal efficacy was fabricated through the recombination of silver/zinc two-sides sputtered cotton (S Ag/Zn C) and polylactic acid/polycaprolactone (PLA/PCL) composite nanofibers (CNF).[سؤال
0183;In response to global surface temperatures, which are projected to increase until at least the mid-century (IPCC, 2021), numerous countries and organisations have committed to reducing greenhouse gas emissions over the coming decades.To achieve these reductions, a transition to a low-carbon economy through the implementation of technologies including[سؤال
0183;This comprehensive review delves into recent advancements in lithium, magnesium, zinc, and iron-air batteries, which have emerged as promising energy delivery devices with diverse applications, collectively shaping the landscape of energy storage and delivery devices. Lithium-air batteries, renowned for their high energy density of 1910 Wh/kg[سؤال
0183;The pyrometallurgical industry plays a vital role in producing metals for our modern life. With growing demand of metals and declining grade of mineable ore, innovations become critical for many mining companies. It is necessary to conduct a review of recent improvements to the pyrometallurgical industry on analytical measurement techniques,[سؤال
0183;An excellent example of the effectiveness of soil washing is the remediation of contaminated soil at a former industrial site in Belgium, where heavy metals were removed, and valuable metals such as zinc, copper, and lead were recovered (Gusiatin et al., 2020). The recovered metals were sold for recycling, while the cleaned soil was reused on-site.[سؤال
0183;During the recent centuries, many studies have been conducted, which resulted in the development of numerous metal extraction methods. Nonferrous metals such as aluminium, copper and copper-base alloys, chromium, nickel, manganese, lead, titanium, zinc, and precious metals (i.e., silver, gold, and platinum) are recycled as scrap in significant amounts (Pal et al.,[سؤال
0183;Sand production system is mainly composed of shaping sand making machine, vibrating grading screen, grading adjustment machine and air screen. The main design points of sand production system are: The closer the particle size of raw material fed into sanding machine is to size of the product, the higher the efficiency of sand making.[سؤال0183;Fibrous materials are commonly used as the functional middle layer of PPM, and thus leading to an unparalleled surge in the production and consumption of single-use PPM [10].Commercial PPM are generally composed of polypropylene, polyethylene, polystyrene, and polyethylene terephthalate melt-blown fibers, which could capture 90% of aerosol particles with[سؤال
0183;Metals play an integral role in modern society. In 2017 alone, the apparent U.S. consumption of iron and steel reached 100 million metric tons (USGS, 2018).Aluminum consumption likewise reached almost six million metric tons, with copper following at 1.85 million metric tons (USGS, 2018).Unfortunately, the mining and processing of such metals can have[سؤال
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DOI: 10.1016/j.wasman.2021.07.020 Corpus ID: 236637186; An integrated and sustainable hydrometallurgical process for enrichment of precious metals and selective separation of copper, zinc, and lead from a roasted sand.
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0183;Integrated study for automobile wastes management and environmentally friendly mechanic villages in Imo River basin Nigeria Michael A. Nwachukwu1*, Huan Feng1 and Kennedy Achilike2 1Department of Earth and Environmental Studies, Montclair State University, New Jersey, U.S.A. 2Department of Physics, Abia State University Uturu, Nigeria.[سؤال
0183;The development of the Internet of Things (IoT) technology and their integration in smart cities have changed the way we work and live, and enriched our society. However, IoT technologies present several challenges such as increases in energy consumption, and produces toxic pollution as well as E-waste in smart cities. Smart city applications must be[سؤال
0183;The amount of electronic waste (e-waste) generated globally has been increasing from 20 to 40 million tons every year. E-waste has a great potential to be recycled because it contains a substantial concentration of precious metals and can fulfill the burgeoning demand for metals in diverse applications [1], [2].Based on Environment Protection Agency (EPA), only&سؤال
0183;VSI Sand Making Machine; Mobile Crusher; Hammer Crusher; Heavy Hammer Crusher the flotation process is also used for polymetallic gold-bearing ores such as gold-copper, gold-lead, gold-copper-lead-zinc-sulfur ore. environmentally friendly, and is suitable for placer gold ore process. Placer gold mine mining. The placer gold deposits are[سؤال
0183;The sand making machine processes the material and produces sand in different sizes, such as 0-5mm, 5-10mm, and 10-30mm. They offer a complete set of equipment, comprehensive after-sales service, and integrated EPCO (Engineering, Procurement, Construction, and Operation) general contracting services.[سؤال
0183;The increased demand of copper (Cu) in the global market has an emphasis on its recovery from the secondary resources such as printed circuit boards (PCB) waste, metal-containing sludge, slag, fly-ash and industrial effluents to satisfy both the aspects-economics and environmental protection (Kilicarslan et al., 2013; Ahmed et al., 2016).The reason being, Cu is[سؤال
0183;Developed specially for the manufactured sand (m-sand) washing market, CDE’s Combo X150 washing system integrates all washing processes from end to end in a single compact mobile unit. The plant provides producers with accurate control of silt cut points to deliver high quality sand.[سؤال
0183;The quantity of industrial waste produced globally is hugely increasing due to the exponential growth of population and consumerism [1], [2].Industrial slags produced from manufacturing non-ferrous metals like copper and lead amount to more than 50 million tons annually [3].Since many toxic elements like lead, zinc, copper cadmium, tin, etc., are present in[سؤال0183;Recycling of the waste-cables which contain PVC and copper replaces the production of virgin PVC and mining of copper from copper ore, it reduces landfill solid waste pressures, saves energy and[سؤال
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