Products

nickel tailings disposal

Indonesian miners eyeing EV nickel boom seek to dump waste

May 18, 2020· Nickel-mining companies in Indonesia have pitched the government to allow them to dump their waste, or tailings, into the sea. The country is the world’s biggest producer of nickel

More

Tailings and Waste Management Environment Nornickel

Norilsk Nickel’s priorities are to minimize the environmental impact of waste from our operations, to ensure efficient waste management practices, to find alternative uses for the remaining waste, to implement responsible sourcing, and to maintain the safe operation of tailings facilities.

More

EXPLAINER-How do miners dispose of their waste in the sea

Sea disposal of mining waste could spread as Indonesia weighs adopting the technique for new nickel Fewer than 20 of the world’s 2,500 mines use the method to dispose of tailings waste

More

CROWFLIGHT MINERALS INC CaNickel

Bucko Lake Nickel Project Tailings Disposal Alternatives Document No. 0651790100-REP-T0001-00 Third Party Disclaimer The content of this document is not intended for the use of, nor is it intended to be relied upon by any person, firm or corporation, other than the client and Wardrop Engineering In c..

More

Mt Keith Nickel Project: Tailings storage upgrade

advanced tailings management, and the development of techniques such as centralised discharge disposal. The need to upgrade the tailings storage capacity has become more immediate due to a number of technical factors and revised projections for nickel concentrate production. The

More

THE UTILIZATION OF COPPER-NICKEL TAILING

copper-nickel concentrator of minimal size to sustain a smelter would amount to. 20~OOO,OOO. tons per year. Such a mass of fine mineral material would present a considerable disposal problem. It might be possible to use some of the tailing to backfill the space in the underground mine vacated by the ore.

More

A brief history of the Ramu nickel mine ACT NOW!

Tailings Disposal and other tailings disposal methods. The Government of Papua New Guinea did not have this option in regard to the Ramu Nickel Project as the Environmental Plan prepared by NSR gave no indication of the likely impacts or risks associated with

More

Nickel recycling Nickel Institute

Nickel in a circular economy. The concept of a circular economy is generally understood to be "a regenerative system in which resource input and waste, emission, and energy leakage are minimised by slowing, closing, and narrowing energy and material loops.This can be achieved through long lasting design, maintenance, repair, reuse, remanufacturing, refurbishing, and recycling 1.

More

Geotechnical Properties of Mine Tailings Journal of

Therefore, the disposal and storage of tailings becomes a significant concern for the overall mining and milling operation associated with the mining industry. In order to maintain the normal mining operations, several methods are proposed for tailing disposal, including disposal of dry or thickened tailings in impoundments or free-standing

More

Paddling the Nickel Tailings Near Sudbury Poetry

that ends in the tailings impoundment we're set on exploring (I think: iron, ironic, nickel). We enter a delta and pick our way through; later, on the only portage of the day-from Wet Tailings Outflow 3 to Wet Tailings Outflow 7--the ground gives like fresh bread, endless salt-and-pepper spongy loam. The canoe on our shoulders

More

Mt Keith Nickel Project: Tailings storage upgrade

advanced tailings management, and the development of techniques such as centralised discharge disposal. The need to upgrade the tailings storage capacity has become more immediate due to a number of technical factors and revised projections for nickel concentrate production. The

More

THE UTILIZATION OF COPPER-NICKEL TAILING

copper-nickel concentrator of minimal size to sustain a smelter would amount to. 20~OOO,OOO. tons per year. Such a mass of fine mineral material would present a considerable disposal problem. It might be possible to use some of the tailing to backfill the space in the underground mine vacated by the ore.

More

Hua Pioneer’s Steps to Cancel Request for Permit to

Oct 05, 2020· Currently, there are nickel companies still waiting for permits to dispose of their tailings into the sea on Obi Island. The planned volume of tailings to be disposed of is 6 million tons per year. There is an upwelling phenomenon at the disposal plan site tailings in the waters west of Obi Island, the mass of sea water rises to the surface

More

3 Tailings Disposal Methods Xinhai

Tailings dry stacking is a new tailings disposal method, which mainly uses the dehydrating hydrocyclone, high-frequency dewatering screen, high-efficiency deep cone thickener. This tailings disposal method can reduce the water content in tailings to less than 15%, save cost and effectively avoid environmental pollution.

More

Elon Musk Is Going To Have A Hard Time Finding Clean Nickel

Aug 22, 2020· Indonesia holds about a quarter of all nickel reserves. To meet demand from carmakers, companies there are investing in projects that will use acid to process low-grade nickel ore and produce high-quality battery chemicals. The miners plan to dilute the byproducts and pipe them out to sea a process known as deep-sea tailings disposal.

More

Elon Musk Is Going to Have a Hard Time Finding Clean

Aug 25, 2020· Indonesia holds about a quarter of all nickel reserves. To meet demand from carmakers, companies there are investing in projects that will use acid to process low-grade nickel ore and produce high-quality battery chemicals. The miners plan to dilute the byproducts and pipe them out to sea a process known as deep-sea tailings disposal.

More

Paddling the Nickel Tailings Near Sudbury Poetry

that ends in the tailings impoundment we're set on exploring (I think: iron, ironic, nickel). We enter a delta and pick our way through; later, on the only portage of the day-from Wet Tailings Outflow 3 to Wet Tailings Outflow 7--the ground gives like fresh bread, endless salt-and-pepper spongy loam. The canoe on our shoulders

More

Biological Treatment of Tailings Solution at the Nickel

Biological Treatment of Tailings Solution at the Nickel Plate Mine Barry Given, B.Sc Sharon Meyer, M.Sc Barrick Gold Inc Nickel Plate Mine. P.O. Box 788. Penticton, BC V2A 6Y7 Abstract During the closure of the Nickel Plate Mine, located in south central British Columbia, there was a need to remove

More

Elon Musk Is Going to Have a Hard Time Finding Clean Nickel

Aug 22, 2020· Elon Musk promises a “giant contract” with the miner that can supply nickel for Tesla Inc. batteries at low cost with minimal environmental impact, yet the industry’s messy track record may

More

Geotechnical Properties of Mine Tailings Journal of

Characterization of the Tailings. The basic geotechnical properties of the four tailings are summarized in Table 1, and Fig. 1 displays the grain size distributions. The specific gravity of the coarse and fine iron tailings are 3.23 and 3.08, respectively, which are consistent with those of metal tailings but much higher than those of natural soils.

More

Tailing Disposal an overview ScienceDirect Topics

David John Williams, in Ground Improvement Case Histories, 2015. 2.4 Beaching behavior of mine tailings. The predominant method of tailings disposal is by pumping and sub-aerial deposition of an aqueous slurry (typically at 30–45% initial solids concentration by mass and an initial gravimetric moisture content, w, of 233–122%) to a surface TSF.The tailings may be discharged from a single

More

Study of Tailings Management Technologies MEND

achieve zero failures. Currently, creating paste and filtered tailings for disposal is more costly than conventional tailings, unless other factors are important cost drivers: dam cost, water cost, a lack of community acceptance, or the fact tailings would be better stored underground.

More

Gold tailings retreatment offers an environmental solution

Tailings retreatment is the group's biggest recycling contribution. “By reprocessing waste rock and tailings to remove gold left behind after the initial mining process we reduce environmental

More

Mine Tailings an overview ScienceDirect Topics

Radioactive tailings represent a large clean-up challenge to the mining and nuclear energy industries. Therefore in the first few sections of this chapter we detailed the physical, chemical, storage, transportation and disposal of radionuclides, and which ones are more dangerous to the environment and human health.

More