آخرین محصولات

Mineral & Metal Commodities

Minerals and metals commodities testing, inspection and risk management from SGS. Reduce risk and make the right decisions when bringing minerals and metals to market. Verify Documents, Clients & Products

Bench and Pilot Plant Programs for Flotation Circuit …

SGS MINERALS SERVICES I TECHNICAL BULLETIN 2002-04 3 Knowing quantitatively the influence of the liberation on a metallurgical response means the effect of the given chemical processing environment can be inferred. This type of analysis is continuous and interactive during flowsheet development. Generally, it is more expedient to focus

ExpLoRAtIoN SERvIcES

SGS has a proven track record of providing trusted exploration services to projects. Our professionals blend geological and technical expertise with the latest computer and …

Can Complex Hydrometallurgical Pilot Plants Effectively …

SGS MINERALS SERVICES I TECHNICAL BULLETIN 2006-4 3 about two to three weeks of fully integrated steady-state operation. By comparison, the late nineties pilot plant campaigns were up to three months in duration, such as in the case of some laterite nickel testwork programmes. The pilot plant campaigns of the

PGM Ore Processing at Impala's UG-2 Concentrator

SGS MINERALS SERVICES TECHNICAL BULLETIN 2004-02 Figure 1: Geographic Location of the Impala Projects and Interests in South Africa UG-2 Ore UG-2 ore is the second most mined source of PGE in the Bushveld Complex. Located in a reef close to and largely parallel to the historically-mined Merensky Reef, UG-2 has always been

Metallurgical Performance of Ageing Crushed Ore

SGS MINERALS SERVICES. TECHNICAL PAPER 2009-07 2009. THE IMPACT OF CRUSHED ORE AGEING ON METALLURGICAL . PERFORMANCE *D. LASCELLES. 1, O. PETERS1, R. CALDWELL1 - SGS . ... TECHNICAL BULLETIN 2009-07. 4. Figure 6 EDTA extractable Cu as a function of the ageing time Figure 5 Effect of ageing period on …

Flotation Improvements at Lac Des Iles Concentrator

SGS MINERALS SERVICES TECHNICAL BULLETIN 2002-10 Table: Performance of Lac des Iles Mill during October 2001 Compared to target While the problem of high tails was serious, at the time it was somewhat overshadowed by the high MgO content in the concentrate, which the smelters in Sudbury are not designed to handle. This

Column Flotation

SGS MINERALS SERVICES. TECHNICAL BULLETIN 2002-23. 2 The froth of a flotation column is usually . water washed, with approximately as much wash water as there is water reporting to the froth. The water is most commonly added via pans, perforated with 4-8 mm diameter holes, located 20-30 cm above the froth, thus generating

Chloride as an Alternative to Cyanide

SGS MINERALS SERVICES. TECHNICAL BULLETIN 2003-01. 2 Under specific conditions, however, indications are that gold could be solubilized during the pre-treatment stage. Information released by Barrick in the early 1990's revealed that at times up to 40% of the gold in their Goldstrike ore was solubilized in the autoclave and reprecipitated later.

Copper Arsenide Minerals Feedstock

SGS MINERALS SERVICES TECHNICAL BULLETIN - HYDROMETALLURGICAL TREATMENTS. These could be classified in two main categories: Processes aiming at . removing the arsenic, leaving behind a saleable copper concentrate suitable for the conventional market; and secondly, processes aiming at solubilizing the copper and …

FLOTATION PLANT DESIGN AND PRODUCTION …

SGS MINERALS SERVICES TECHNICAL BULLETIN 2005-3 2005 FLOTATION PLANT DESIGN AND PRODUCTION PLANNING THROUGH GEOMETALLURGICAL MODELLING AUTHORS: D. BULLED AND C. MCINNES ABSTRACT The key to successful flotation plant design, production planning and mine/ mill optimisation is a …

Sampling and Testing in Coal Quality Management

SGS MINERALS SERVICES TECHNICAL BULLETIN 2003-10. 3. The interrogation period is usually four hours or as directed by the OLA . manufacturer. or as directed by the OLA manufacturer. It is advisable to read the calibration blocks before and after source refreshment to provide a temporary

GEOMETALLURGICAL MAPPING: A NEW APPROACH …

Geometallurgical mapping is a new team-based approach that documents variability within an orebody and quantifies the impact of geology (host rocks, alteration and structure) …

Work Index Determination for High Pressure Grinding …

SGS MINERALS SERVICES. TECHNICAL BULLETIN 2008-49. 3 Figure 7: Broken rock with cake agglomerates . Figure 8: Force used by press vs. Distance traveled by piston . Figure 9: Relationship between specific energy (kWh/t) used in Cycle 2 and the average of last 3 . cycles The testing was initially conducted in open-circuit using 2 passes of

Mineralogy for Optimising Mineral Processing

SGS MINERALS SERVICES I TECHNICAL BULLETIN 2003-04 2 FAST- AND SLOw-FLOATING PGM A total of 180 fast-floating PGM grains (from the rougher concentrate), and 87 slow-floating grains (from the scavenger concentrate) were studied. In general, the PGM speciation observed in the fast-floating concentrate reflected that observed in the

MANAGING COMPANY RISK BY INCORPORATING THE …

RESOURCE MODEL INTO DESIGN AND OPTIMIZATION OF MINERAL PROCESSING PLANTS. GLENN KOSICK, CHRIS BENNETT AND GLENN DOBBY – SGS. …

Beneficiation and Extractive Metallurgy of PGE

SGS MINERALS SERVICES. TECHNICAL BULLETIN 2002-03. 2 During the 1970's the United States . government introduced legislation mandating a reduction in the level of pollutants emitted from automobile exhausts. Catalytic converters containing platinum, palladium and rhodium (in varied combinations) were accepted by the automobile …

FLOTATION PLANT DESIGN AND PRODUCTION …

SGS MINERALS SERVICES TECHNICAL BULLETIN 2005-3 2005 FLOTATION PLANT DESIGN AND PRODUCTION PLANNING THROUGH GEOMETALLURGICAL …

Metallurgical Processing of PolyMet's NorthMet Deposit

The NorthMet deposit is believed to be the largest undeveloped non-ferrous metal project in the U.S. It is a polymetallic magmatic sulfide deposit containing platinum, palladium, …

Application of SART to Heap Leaching of Gold-Copper

SGS MINERALS SERVICES TECHNICAL BULLETIN 2008-51: 4. Future Maricunga production will come from Pancho ores, for which testwork : data has shown significantly elevated copper and cyanide soluble copper levels, particularly for the mixed and sulphide ores. Pancho mixed ore is :

Effect of PGM Mineralogy on PLATSOL® Leachibility

SGS MINERALS SERVICES TECHNICAL BULLETIN 2006-03. The applicability of the PLATSOL ® process to various other PGM concentrates was attempted, and it was discovered that some concentrates did not respond well to PLATSOL ®. This paper describes the mineralogical . investigations undertaken to find the reasons for the …

Grinding Circuit Design for Adanac Moly

SGS MINERALS SERVICES. TECHNICAL BULLETIN 2007-01. 3 Table 1: Specifications and assumptions used as program inputs. Figure 2: Correlogram (plotted as a Variogram) for SPI in ore type 2. Figure 3: Profile of SPI and BWi values in the orebody hardness of any block. This dataset of. 10,903 mine blocks was used as the basis of the grinding plant ...

A Neural Network Model for SAG Mill Control

SGS MINERALS SERVICES. TECHNICAL BULLETIN 2003-18. 2 to 130 minutes, which translates to a . SAG specific power range of about 3 to 9 kWh/t for this site. The design of the ore stockpiling and conveying system contributes to fluctuating size distribution with significant short-term segregation occurring under certain operating situations.

Step-Wise Advanced Process Control Implementation

SGS MINERALS SERVICES. TECHNICAL BULLETIN 2005-11. 2 While expert system pricing has reduced . substantially over the last few years and the return on investment of these projects greatly exceeds even the most conservative economic hurdle – many operations still find it difficult to secure the funding to proceed with a project.

RARE EARTHS AND MMITM GEOCHEMISTRY

TECHNICAL BULLETIN 18. 2005. RARE EARTHS AND MMITM GEOCHEMISTRY. INTRODUCTION. Rare earth elements appear commonly and strongly in partial …

MMI™ TECHNICAL BULLETINS

SGS MINERALS SERVICES – T3 SGS 1044 05-2012 ... SGS MINERALS SERVICES – SGS T3 1044 2 Title Technical Bulletin TB17: MMI Geochemistry for Nickel Exploration (PDF 983.44 KB) Date November 2005 Overview The geological understanding of nickel sulphide deposits, particularly those of the komatiite-type, has undergone vast ...

AAS Vs. ICP-OeS For Precious Metals in Autocatalysts

SGS MINERALS SERVICES. TECHNICAL PAPER 2005-20. For this study a wide variety of . automobile catalyst samples and standards were analyzed comparing ... TECHNICAL BULLETIN 2005-20: 3. ELEMENT FLAME: LAMP CURRENT MA SLIT: BACKGROUND: Pt: Air/Acetylene 10: 0.5 On: Pd Air/Acetylene: 5 1: On Rh* Air/Acetylene 4: 0.5 On

MMI™ TECHNICAL BULLETINS

SGS regularly produces technical bulletins for MMI™ users. These bulletins contain important information on issues such as sampling procedures and problems, the …

Biological Leaching-Pressure Oxidation for Auriferous

SGS MINERALS SERVICES TECHNICAL BULLETIN 2004-06. Figure 1 – Proposed Flowsheet for the Treatment Process of the Olympias Concentrate Table I – Chemical and mineralogical Analyses of the Concentrate Samples. As a part of the bankable feasibility study, TVX Hellas conducted a series of . fully integrated pilot plant campaigns

Metallurgical Performance of Ageing Crushed Ore

ABSTRACT. Ageing tests on a crushed Cu-porphyry ore were conducted to assess the impact of sample oxidation on flotation performance. The objective of the testwork was …

محصولات مرتبط

 

دفتر مرکزی

No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.

 

مرکز تماس

Phone1: 0086-21-58386256

Phone2: 0086-21-58386258

 

پست الکترونیک

[email protected]