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Influence of conditioner and straw on the herbaceous plant …

A field trial was performed to carry out an enhanced phytoremediation technique for multi-metal contaminated copper tailings by Sudan grass (Sorghum Sudanese), ryegrass (Lolium perenne L.), and Bermuda grass (Cynodon dactylon), using conditioner (TH-LZ01) and straw combination into composite amendments as soil …

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Effect of composite amendments on physicochemical …

The plant growth responses. According to plant height (Fig. 1a) and fresh weight (Fig. 1b), the optimum chemical ratio of conditioner and straw as the copper …

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Improving Flocculation Performance of Copper Flotation …

The dewatering of tailings is one of the serious challenges that the mining and mineral processing industries have encountered internationally. Solid–liquid …

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ENVIRONMENTAL EFFECTS OF TAILING DAMPS IN THE ZAMBIAN COPPER …

This paper explores the effects of tailing damps on the environment on the Copperbelt Province in Zambia. In Zambia, particularly on the Copperbelt Province, Mine tailings consist of the remaining ...

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The microbial community from the early-plant colonizer

Plants must deal with harsh environmental conditions when colonizing abandoned copper mine tailings. We hypothesized that the presence of a native …

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PROCESS DEVELOPMENTS AT TAILINGS LEACH PLANT

1.0 TAILINGS LEACH PLANT, AN OVERVIEW From inception, Tailings Leach has been developed in three stages. The operation started with leaching of low-grade tailings using strong sulphuric acid followed by solution recovery and cementation of copper. The capacity then was about 1000 tonnes of copper per month.

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to deliver copper tailings dewatering plant unit in …

's scope of delivery consists of the engineering and supply of a Planet Positive copper tailings dewatering plant unit including an HRT High Rate thickener and Larox® FFP3512 filters and ...

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Americas Tailings Inc.

Americas Tailing will conduct the PUCE work programs to advance investigation of the potential to transform tailings from one of BHP's copper mines into a bio-mineral fertilizer. Planned work will include …

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Assessment of the adaptive capacity of plant species in copper …

Purpose The objective of this work was to identify hyperaccumulator plants and evaluate their capacity on copper mine tailings in the Antofagasta Region (Chile), considered one of the most arid in the world. Materials and methods Two native plant species, Gazania rigens and Pelargonium hortorum, were grown during 11 weeks on …

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to deliver copper tailings dewatering plant unit in …

's scope of delivery consists of the engineering and supply of a Planet Positive copper tailings dewatering plant unit including an HRT High Rate thickener and Larox® FFP3512 filters and auxiliaries with latest design hole-less filter cloths and single polymer plates lowering operating costs.

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Copper Tailing

As copper tailings appear in ground form, the grading of copper tailings reported by Gupta and Thomas (2013) and Nitish et al. (2013) has a sizeable silt fraction of 0.06–0.002 mm. Copper tailings are considered to be finer than CS, which usually has a dominant sand …

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Broussonetia papyrifera and biofertilizer synergy: Enhancing …

The research objectives included (i) quantifying the effects of biofertilizer on copper tailings properties and evaluating copper tailings health quality; (ii) exploring the effects of biofertilizer on bacterial community structure and diversity, determining the core species of the bacterial community, and analyzing their association with ...

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books Planet Positive copper tailings dewatering plant …

's scope of delivery consists of the engineering and supply of a Planet Positive copper tailings dewatering plant unit including an HRT High Rate thickener and Larox® FFP3512 filters and auxiliaries with latest design hole-less filter cloths and single polymer plates lowering operating costs. The high-capacity Larox FFP3512 filters are ...

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(PDF) Dewatering of Copper Flotation Tailings: Effect of …

Dewatering of Copper Flotation Tailings: Effect of Feed Dilution on the Thickener Performance ... The flux of the pulp with the plant solids concentration (i.e., 10% by weight) was 60% lower than ...

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Environmental Impact Assessment of Mine Tailings Spill

Finally, the copper concentrate obtained is taken to a recovery plant, and the tailings obtained are normally dewatered using thickeners and stored in the tailings storage facility. Copper tailings storage facilities are generally partially lined . To prevent seepage through the foundation and core of the dam, the following are installed: (i) a ...

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CHAPTER II

Ore material Water The milling process requires. of4 188 million 5 300 million. water (some of the water is reused in thetonnes tonnes milling process).End result: 20,1 million …

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Hydration properties of Portland cement-copper tailing

Ordinary Portland cement of grade 42.5 was produced by Hubei Yadong Cement Plant, which conformed to GB/T1346-2011 [21] and GB/T17671-1999 [22]. Copper tailings used in this paper were supplied by China Construction Mining Corporation. ... Copper tailing powder content, especially higher than 30%, has a far greater impact on …

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Evaluation of heavy metal contamination in copper mine …

Mufulira TD10: (A) the copper tailings with some growing plants. ( B, C ) The ever-increasing plants in the tailing show the resistance capacity. ( D ) The wastewater …

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Toward sustainable reprocessing and valorization of sulfidic …

Landfilling of copper tailings is modeled using the site-specific end-of-life inventories from the study of Adrianto et al. (2022). Meanwhile, the backfilling operation …

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Recovery of pyrite from copper tailings by flotation

The pyrite grade in the fresh tailing sample and in the flotation product was determined indirectly from the content sulfur, copper and iron. Calculations carried out considering the elemental chemical composition presented in Table 1 and the mineralogical species that contained sulfur, identified by the XRD analysis, allowed to determine that …

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Effects of biomass co-pyrolysis and herbaceous plant …

Notably, ryegrass plants grown in both copper and tin tailings showed the greatest growth when subjected to a smoldering pyrolysis treatment of tailings substrate and PN at a ratio of 3:1. Specifically, compared to other treatments, these plants have higher heights and longer root lengths, as well as greater dry and fresh weight (Fig. 2 a and b ...

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Soilless remediation of the fine carbonate-rich gold-copper mine tailings

Carbonate-rich gold-copper mine tailings occurring alongside the Yangzi River, China, were employed as the objective in this study. They showed the characteristics of fine particles and alkaline pH with high density and low nutrition. The amendments including bacterial fertilizer (BF), polymer, peat, straw, and compound fertilizer (CF) were ...

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Toward sustainable reprocessing and valorization of sulfidic copper …

Landfilling of copper tailings is modeled using the site-specific end-of-life inventories from the study of Adrianto et al. (2022). Meanwhile, the backfilling operation datasets are derived from the primary LCA data of the actual backfill plants (Reid et al., 2009). The latter is assumed to represent copper tailings' backfilling plant unit ...

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Coal slime as a good modifier for the restoration of copper tailings

In recent years, the solid wastes from the coal industry have been widely used as soil amendments. Nevertheless, the impact of utilizing coal slime for copper tailing restoration in terms of plant growth, physicochemical characteristics of the tailing soil, and microbial succession remains uncertain.Herein, the coal slime was employed as a …

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Quantifying the potential seepage from porphyry copper tailing

Despite several studies applied isotopic tools to porphyry copper mine tailing impoundments, they mainly focused on tracing water sources and pathways, whereas only a few studies used these tools for quantifying tailings seepage towards aquifers (e.g., Allen and Voormeij, 2002). Based on our knowledge, the isotope …

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Socio-Environmental Risks Linked with Mine Tailings …

Another discipline that intervenes in the issues of tailings transport from the concentration plant to the tailings deposit is the hydraulic area, where tailings are defined as a solid–liquid mixture, whether a ... Figure 13 shows a typical view of a copper tailings storage facility using conventional tailings technology located in the ...

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Making Paving Stones from Copper Mine Tailings as …

2. Materials and Methods . This study focuses on the use of tailings aggregates for making Portland cement mixtures for paving stones from two tailings dams at a copper sulfide concentration plant located in …

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Reprocessing of tailing from Erdenet copper ores: …

from 1976, the year that the copper plant was commissioned, till year 2000, the amount of copper lost in tailing stream ranged from approximately 0.18% to 0.1% [14]. This is reasonably higher than current operational plant tailing stream. However, since 2000, the amount of copper to lost to tailing stream has been steadily declined and fluctuated

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to deliver copper tailings dewatering plant unit in Africa

's scope of delivery consists of the engineering and supply of a Planet Positive copper tailings dewatering plant unit including an HRT High Rate thickener …