Apr 07, 2020· Since 2014, pyrite concentrate, containing gold, has been produced in a section with a capacity allowing the production of up to 400,000 tonnes of pyrite concentrate per year from the mill feed as a separate secondary concentrate product, in addition to the produced gold-copper concentrate.

Pyrite roasting, an alternative to J sulphur burning. Sulphuric acid plant based on roasting of pyrite concentrate The technology for the roasting of fine flotation pyrite concentrates is a stationary fluid bed for small throughputs or a circulating fluid bed for high throuphputs up to approx. 1800 t/d. .

Chelopech concentrate in Bulgaria was banned. Thus Dundee Precious Metals has been exporting the concentrate for the last four years, while the arsenic in the waste rock is inactivated by treatment with limestone. According to our findings, stockpiles of 70 000 tonnes of pyrite concentrate (located at the

"The reconfiguration of the Chelopech mill during 2013 will bring annual production capacity of pyrite concentrate to 400,000 tonnes. The Agreement provides for the purchase by XGC of up to 200,000 tonnes per year of pyrite concentrate from Chelopech Mining EAD, a wholly-owned subsidiary of DPM and owner of the Chelopech mine, from 2014 to ...

The results of twostage roasting of pyrite concentrate with air blowing and the principle scheme of the process are presented in the report. The results of experimental sulfuric acid production tests using pyrite concentrate to generate sulfurous rich gas containing 0.1 0.15% of sulphur trioxide are shown.

TARIO (Marketwire) 12/05/12 Dundee Precious Metals Inc. (TSX: DPM)(TSX: DPM.WT.A) ("DPM" or "the Company") has entered into an agreement with Xiangguang Copper Co. ("XGC") for the sale of up to ...

Dec 05, 2012· Dundee Precious Metals Inc. has entered into an agreement with Xiangguang Copper Co. for the sale of up to 200,000 tonnes per year of pyrite concentrate to be produced at DPM's Chelopech …

The agreement provides for the purchase by XGC of up to 200,000 tons per year of pyrite concentrate from Chelopech Mining EAD, a wholly-owned subsidiary of DPM and owner of the Chelopech mine ...

Preliminary Economic Assessment on Pyrite Recovery Project Supports Potential to Increase Chelopech Metal Recoveries to 90%

Mar 31, 2014· Dundee Precious Metals Extends Mine Life at Chelopech With Updated Mineral Reserve and Resource Estimate ... shipment of pyrite concentrate and expect to be able to meet our 2014 contractual ...

TORONTO, ONTARIO, Jan 14, 2015 (Marketwired via COMTEX) -- Dundee Precious Metals Inc. (DPM)(DPM.WT.A) ("DPM" or "the Company") provides...

200,000 tonnes per year of pyrite concentrate to be produced at DPMs Chelopech mine in Bulgaria (the Agreement) during Stage 1 of its gold in pyrite recovery project (the Project). The total annual concentrate supply to XGC is expected to contain between 28,000 and 30,000 ounces of payable gold at

Dundee Precious Metals Inc. (DPM.TO) has entered into an agreement with Xiangguang Copper Co. (XGC) for the sale of up to 200,000 tonnes per year of.

Fundee Precious Metals is to sell to the Chinese copper smelting company up to 200,000 tons of pyrite concentrate per year to, to be produced in Bulgaria.The agreement provides for the purchase by XGC of up to 200,000 tons per year of pyrite concentrate from Chelopech Mining EAD, a wholly-owned subsidiary of DPM and owner of the Chelopech mine ...

Chelopech gold/copper mine 12 The mine produces approximately 120,000 ounces of gold and 18,000 tonnes of copper per annum in a high arsenic concentrate grading approximately 16.5% copper and approximately 30 g/t gold. Following commissioning of the pyrite recovery circuit in …

Dec 05, 2012· The reconfiguration of the Chelopech mill during 2013 will bring annual production capacity of pyrite concentrate to 400,000 tonnes. The Agreement provides for the purchase by XGC of up to 200,000 tonnes per year of pyrite concentrate from Chelopech Mining EAD, a wholly-owned subsidiary of DPM and owner of the Chelopech mine, from 2014 to 2016.

Sep 10, 2014· In the first half of 2014, Chelopech produced 56,106 ounces of gold, 20 million pounds of copper and 101,700 ounces of silver in concentrate. DPM also contemplated building a pyrite recovery circuit and a pressure oxidation facility so that it could produce a pyrite concentrate and then extract gold from it on site.

Jan 09, 2020· At Chelopech, gold contained in concentrate produced for the fourth quarter was slightly above expectations as a result of mining in higher grade zones and higher gold recoveries in pyrite ...

Apr 08, 2019· The Company's operating assets include the Chelopech operation, which produces a copper concentrate containing gold and silver and a pyrite concentrate …

Chelopech is an underground gold, copper and silver mine, which currently produces a copper concentrate with metal recoveries averaging 55%, 85% and 42%, respectively.

Home > Products > pyrite concentrate thickening. Mobile Crushing Plant. Stationary Crushing Plant. Grinding Mill. Washing & Screening. Three in One Mobile Crusher. Mobile VSI Crusher. Mobile VSI Crusher & Washer. Mobile Crusher & Screen. Mobile Impact Crusher. Four in …

The Company's operating assets include the Chelopech operation, which produces a gold-copper concentrate containing gold, copper and silver and a pyrite concentrate containing gold, located east ...

This pyrite concentrate could contain between 75 000 oz and 90 000 oz of gold, 130 000 oz to 190 000 oz of silver and 4.5- million to six-million pounds of copper.

Jul 26, 2012· A stockpile of pyrite concentrate, previously produced at Chelopech, is currently being sold to smelters confirming that there is a market for this product. The PEA assumes the sale of a portion of the 400,000 tonnes of pyrite concentrate available for the period 2013 - 2016.

TARIO (Marketwire) 07/26/12 (All amounts have been expressed in US Dollars except where otherwise indicated) Dundee Precious Metals Inc. (TSX: DPM)(TSX: DPM.WT.A) ("DPM" or "the Company") is ...

May 06, 2020· The Company's operating assets include the Chelopech operation, which produces a gold-copper concentrate containing gold, copper and silver and a pyrite concentrate …

The reconfiguration of the Chelopech mill during 2013 will bring annual production capacity of pyrite concentrate to 400,000 tons. There is also the possibility of a further sale of up to 50,000 ...

DPM Contracts for Sale of Chelopech Pyrite Concentrate to, Dec 05, 2012· Dundee Precious Metals Inc has entered into an agreement with Xiangguang Copper Co for the sale of up to 200,000 tonnes per year of pyrite concentrate to be produced at DPM's Chelopech mine in . PorgeraJV - Our Operation page - Porgera Gold Mine Papua,