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16.07.2018
Cape Lambert Resources Limited: Kipushi Copper-Cobalt Project Leaching Engineering Study Completed

Kipushi Copper-Cobalt Project Leaching Engineering Study Completed

 

-          Engineering Study on Kipushi Leaching Plant completed;

-          Metallurgical testing shows recoveries of 90% for copper and 85% for cobalt achievable;

-          Board of Soludo Lambert Mining SAS decide to proceed to build the Kipushi Leaching Plant.

 

Australian resources and investment company, Cape Lambert Resources Limited (ASX: CFE) (Cape Lambert or the Company) is pleased to announce that an Engineering Study for a leaching plant at the Kipushi Cobalt-Copper Tailings Project (Project) in the Democratic Republic of Congo (DRC) was recently completed by consultants Minnovo Pty Ltd (Minnovo).

 

The Engineering Study was undertaken following the excellent results achieved from a leach testwork program at the Project, with recoveries of 90% for copper and 85% for cobalt being achieved from laboratory scale testwork undertaken to date.

 

The Project is held by Soludo Lambert Mining SAS (Soludo Lambert), which is a 50/50 joint venture arrangement with local entity Paragon Mining SARL (Paragon) and Cape Lambert.

 

The Project involves the reprocessing of copper-cobalt tailings contained in the Kipushi Tailings Storage Facility (TSF) located near the town of Kipushi approximately 25km from Lubumbashi, refer Figure 1.

 

 

X:\Cape Lambert\Cobalt\Cobalt Dump Locations.jpg

Figure 1: Project Location

 

The tailings will be processed through a newly built 1Mtpa acid leach plant, adjacent to the existing flotation plant, designed to produce a mixed hydroxide precipitate (MHP) product.

The process flow sheet developed by Minnovo based on the testwork completed is shown in Figure 2.

 

 

 

Figure 2: Kipushi Process Flowsheet

The capital costs estimated by Minnovo, with inputs from Soludo Lambert, presented in second quarter 2018 in United States dollars (USD) to an accuracy of ±35% are summarised in Table 1.

Table 1: Capital Cost Estimate Summary

Description

Total (USD)

Direct Costs

 

Civils

$1,570,000

Tailings Reclamation

$125,000

Process Plant

$17,719,114

Infrastructure

$3,725,000

Mobile Fleet

$677,500

TOTAL DIRECTS

$23,816,614

Indirect Costs

 

Freight/Spares/First Fills

$2,644,818

Engineering/commissioning

$2,559,162

Owner Management

$3,271,332

TOTAL INDIRECTS

$8,475,311

Contingency

$3,572,492

TOTAL CAPITAL BUDGET

$35,864,418

 

The capital cost was developed from a number of sources as summarised in Table 2.

Table 2: Basis for Capital Cost Estimate

Cost Category

Source Of Cost Data

Direct Costs

Equipment costs based on budget quotations for major equipment and from recent projects/database pricing for other equipment where similar sized equipment quotes were available.

Earthworks, concrete, structural steel and platework and E&IC costs were factored against mechancial equipment costs estimated from a recent in-country copper project.

Contractor indirects and P&G costs were factored based on detailed estimate for recent in-country copper project.

Infrastructure

Building costs, detailed earthworks, fencing costs  costs were factored against mechancial equipment costs derived from similar reference factored to reflect costs estimated from a recent in-country project .

PCS and Comms in the process plant area are included in the E&IC factors for the plant.  External communications infrastructure is excluded.

Indirects

Factored based on historical Minnovo EPC contracting work.

Owners costs

Provided by Soludo Lambert.

Contingency

Allowance for Owner’s contingency of 15% of the direct Project costs.

 

The operating costs estimated by Minnovo, with inputs from Soludo Lambert, presented in second quarter 2018 in United States dollars (USD) to an accuracy of ±35 % and is summarized in Table 2.

Table 2: Kipushi Operating Costs

Description

USD/tonne Tailings

Tailings Reclamation

(including fees to Gecamines)

$12.30

Processing

$46.25

Administration

$6.10

TOTAL Operating Cost

$64.66

 

The operating cost estimate was developed from a number of sources as detailed in Table 3.

Table 3: Basis for Site Operating Cost Estimate

Cost Category

Source Of Cost Data

Labour

Owner operating strategy. Labour rates are for expatriate and local labour based on 12 hour shifts.

Power

Consumption from Electrical Load List. Grid power rate advised by Soludo Lambert.

Maintenance Materials

Calculated as a percentage of direct capital costs based on benchmarking with operating plants.

Reagents and Consumables

Reagent consumption from testwork and unit prices from regional and international suppliers.

 

 

 

 

Based on the preliminary details delivered by Minnovo prior to the completion of the Engineering Study the Board of Soludo Lambert made a decision to pursue construction of the leaching plant and appointed Minnovo in May 2018 to undertake the detailed design.

Cape Lambert’s Chairman, Tony Sage, said “I am very pleased that we pursued the leaching alternative to process the Kipushi tailings, as the recoveries for the leaching are far superior than achieved with the existing flotation plant. Preliminary details from the Engineering Study provided the basis for the decision to build the plant, which will be done in earnest to capitalise on the current high price for cobalt”.

Yours faithfully

Cape Lambert Resources Limited

 

 

 

Tony Sage

Executive Chairman

 

 

 

Cape Lambert Resources Limited (ASX: CFE) is a fully funded mineral development company with exposure to iron ore, cobalt, copper, gold, uranium, lithium and lead-silver-zinc assets in Australia, Europe, Africa and South America.

 

Australian Securities Exchange

Code: CFE

 

Ordinary shares

949,310,216

 

Unlisted Options

23,500,000 ($0.05 exp 31 Dec 2018)

15,336,363 ($0.07 exp 12 Mar 2020)

7,667,727 ($0.07 exp 19 Mar 2020)

5,250,000 ($0.04 exp 31 Mar 2020)

 

Board of Directors

 

Tony Sage 

Executive Chairman

 

Tim Turner 

Non-executive Director

 

Stefan Muller

Non-executive Director

 

Melissa Chapman

Company Secretary

 

 

Cape Lambert Contact

 

Investor Relations

Phone:  +61 8 9380 9555

Email: info@capelam.com.au

 

www.capelam.com.au

Please follow this link to view entire original news:

https://www.asx.com.au/asxpdf/20180716/pdf/43wk1nwgfn43h6.pdf

 

 

The Metallurgical testwork data in this presentation is based on information compiled by Mr Chris Larder who has 35 years experience in the mining and mineral processing industries. Mr Larder has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration. Mr Larder is a consultant to Cape Lambert Resources Limited and consents to the results being released in the form and context in which they appear.



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