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The influence of fiber type and content, solid content, and cement-to-tailings ratio (c/t) on crack resistance and post-peak toughness of cemented tailings backfill composites (CTBC) was
Among various approaches, biodegradable fibers produced via melt-spinning are starting to emerge as a promising solution, particularly for replacing polyethylene terephthalate (PET) fibers...
Download Citation | On Mar 1, 2025, Meilin Jiang and others published Enhanced strength and fracture features of tailings-based concrete reinforced with fibers and X-shaped rocks | Find, read and
This review provides a comprehensive overview of MES and MEW technologies, covering fundamental principles, processing setups, jet-taming strategies, and mechanisms governing fiber
In this study, we selected 2.0 % Hooked-End type (HE), Melt-Extracted type (ME) and Crimped type (C) steel fibers in cemented tungsten tailings backfill (SFCTB) and quantitatively
Melt spinning is the preferred method of fabricating polymeric fibers and is used extensively in the textile industry. Melt spinning is used for polymers that can be melted easily.
Tailings remediation methods encompass physical, chemical, biological, and phytoremediation techniques. Among these, the use of organic fertilizers for tailings remediation
Bending and failure behavior of cemented tailings backfill composites (CTBC) was investigated. Fiber reinforcement plays a large role on crack
Responsible tailings management considers specific characteristics of tailings, water management, and the processing method. Engineers design each tailings facility
The LSP in Erlangen has to examine the melt spinning process, as well as the instabilities mentioned a melt spinning plant and a meltblown line, both of which
Although previous studies have explored the efects of fiber inclusion on strength and ductility, there is still a lack of detailed understanding regarding the post-peak response and internal stability of fiber
The traditional room-and-pillar mining method benefits from the use of unclassified tailings-based concrete (UTC) to reinforce X-shaped broken pillars, offering advantages such as
Mining methods use cemented tailings backfill (CTB) for filling mined-out voids and make operations safer since employees are working under it. Hence, the durability behavior of CTB is of great
The core competence of the Fraunhofer IAP in the development of innovative thermoplastic fibers lies in the implementation of spinning processes with novel materials.
Our focus is on finding innovative techniques that minimise the risks, make use of economies of scale and deliver a valued return on investment. These include the
Discover innovative tailings management and reprocessing techniques in mining that reduce environmental risks and promote a circular economy.
The filling method is a widely-used mining technique, and the performance of cemented tailings backfill (CTB) determines the quality of filling. However, the mechanical properties of
Abstract The goal of this chapter is to provide a wide overview of the available processing techniques followed in order to produce natural fibers of high quality. Obtaining the desired level of refined fiber
Mine tailings (MTs) are the materials dumped on a mining site after mineral extraction, containing scattered traces of residual minerals, dug-up soils, and a disturbed ecosystem.
The brittleness of the cemented tailings backfill (CTB) can easily cause collapse, which seriously threatens the safety of underground mining workers and equipment. Studies have shown
Tailings disposal is a major concern of the mining industry worldwide. After the recent upstream dam failures, the main tailings disposal method studied in Brazil is dry stacking. The
This Where to Find Tailing Hackle Fibers video includes detailed fly-tying instructions. Learn to tie many great flies in the Orvis fly-tying video library
Growing concerns over tailings dam failures and their severe environmental and social consequences underscored the urgent need for innovative and sustainable management practices.
Recently, the techniques used to spin bicomponent fibers have been refined and extended to allow the production of submicron or nanometer size fibers. Although not yet demonstrated in all areas, these
Cemented tailings backfill (CTB) not only boosts mining safety and cuts surface environmental pollution but also recovers ores previously retained as pillars, thereby improving
In this paper, the main components of false-twist texturing (FTT) machines are explained, along with the state of the art and research for each component and its influence on the process.
The macro mechanical strength and microstructures were conducted. Combined fiber-reinforced effect was obvious in the cemented tailings backfill (CTB). The fiber has a positive effect on improving the
Multicomponent melt-spinning, where several functionalities can be combined in one fiber, is also discussed. Finally, textile applications and melt
Tailings disposal refers to the methods employed to manage waste materials, known as tailings, that remain after the processing and separation of valuable ore fractions. These methods include tailing