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Explosives in Mining

Bigger blasts better for mines, says consultant

By: Ilan Solomons To ensure that mining pits are cleared in one blast, instead of being cleared before several smaller explosions, mining companies are requiring larger volumes of explosives, in the region of 75 t to 150 t, says local specialist blast consulting firm Blast Consulting Services. MD Marco Olivier... 

Blasting project work remains steady

By: Ilan Solomons Specialist blast consulting company Blast Consulting Services (BCS) is undertaking blasting work at several platinum and ferrochrome mining projects in the North West for several mining companies. BCS MD Marco Olivier says the company is blasting at these mining sites almost every day and that... 

Blasting project work remains steady
NURTURING BLASTING MASTERS Blasting Consulting Services provides trainees with two-and-half years of blasting training, which covers all aspects of blasting

Electronic detonators provide best success rate

By: Ilan Solomons The rate and sequence at which energy was released in a blast ultimately determined the successful outcome of a blast, making electronic detonators in surface and underground mining applications the best option, as they provided the best results, said explosives company AEL Mining Services... 

Electronic detonators provide best success rate
CE 4 TAGGER The CE 4 Tagger offers significantly improved operating times of 20 hours under standard operating conditions

Explosives environment, cost efficiency in the spotlight

By: Ilan Solomons Mining companies increasingly needed cost-effective, safe and environment-friendly explosives systems that were simpler to use and produce, said explosives company AEL Mining Services technology group executive director Liesel de Villiers at an event held by the company in Bryanston,... 

Explosives environment,  cost efficiency in the spotlight
USED-OIL LIFE CYCLE Black oil in emulsion refers to the life cycle of used oil

Explosives technology offering showcased

By: Ilan Solomons Explosives company AEL Mining Services showcased its new Buffalo Booster, which improves blasting operations, at its 2014 Blasting Masterclass conference, in Bryanston, last month. AEL technology group executive director Liesel de Villiers said at the event that the company was scheduled to have... 

Explosives technology  offering showcased
BUFFALO BOOSTER The Buffalo Booster is made of nonexplosive materials which become explosive only about one hour after being manufactured

Used oil recycling important for explosives

By: Ilan Solomons The use of recycled fuel oil as a key ingredient in ammonium nitrate-based explosives is an accepted practice in the local explosives industry. However, few users of the explosives give much thought to the processes that are involved in collecting, transferring and transforming the used oil in an... 

Used oil recycling important for explosives
USED OIL END PRODUCT It is possible to recover value from a product once it has reached the end of its life through recycling and reuse

Blasting a success at local iron-ore mine

At the request of iron-ore supplier to the steel industry Kumba Iron Ore, explosives company AEL has in July fired a calcrete blast containing 2 686 holes in the newly opened Klipbankfontein pit at Kolomela iron-ore mine in the Northern Cape. “There was a tight deadline as the blast had to be... 

Blasting specialist receives $230m in contract extensions

Mining industry services provider Downer Blasting Services (DBS) has been awarded $230-million in contract extensions for various blasting operations at mining sites across Australia. DBS was awarded three-year contract extensions with coal miner Yancoal Australia, Japanese trading corporation... 

Further expansion for explosives company

Explosives supplier Nordex opened a new sales office at a strategic location in Sudbury, Ontario in Canada, earlier this month, to extend the company’s service provision to operating mines in the area. “This facility is another step forward in Nordex’s ongoing expansion strategy and will further... 

Improved detection technology ensures safe recovery of explosives

By: Carina Borralho Meeting the demands of counter-improvised explosive device (C-IED) operations, the explosives industry has improved the design of explosive detection kits to include portability and easy use to avoid having to transport samples to a laboratory, which could delay results, says international... 

Mining explosives institute offers schoolgoers hands-on experience

Having experienced a successful 2013, the Mining and Explosives Engineering Institute (MEEI) at the South Dakota School of Mines in the US, will be offering a camp in June 2014, which will aim to teach schoolgoers about explosives in the mining industry. Seventeen high school students from South... 

Study aims to improve blasting methods

By: Carina Borralho South African mining industry explosives supplier BME technical manager Refiloe Kekana has co-written a paper that aims to increase the mining industry’s depth of understanding in rock and its characteristics, thereby helping mining companies to plan explosions more efficiently. “This paper... 

US explosives company pays penalty for environmental violations

US-based explosives and blasting services provider Dyno Nobel has agreed to pay a $257 167 civil penalty to settle what the federal Environmental Protection Agency (EPA) said are violations of three different federal laws. The EPA alleged that the company violated the Clean Air Act (CAA), the... 

World’s largest explosives conference open for registration

The International Society of Explosives Engineers (ISEE) announced in October that it is accepting registrations for the fortieth Annual Conference on Explosives and Blasting Technique, which will be held from February 9 to 12, 2014, at the Colorado Convention Center, in the Hyatt Regency Hotel... 

Many mines unaware used oil can be recycled into emulsion for explosives – BME 

By: Anine Vermeulen Many mining companies are unaware that they can recycle their waste oil into usable products, like emulsion for explosives, which is what mining explosives supplier BME has been doing for more than 20 years, says BME used-oil manager Emilia Mascis. The company highlighted the recycling initiative... 

Amendments to Explosives Act still pending

By: Anine Vermeulen Amendments to South Africa’s Explosives Act of 1956 and the 1972 Explosives Regulations, which were supposed to have been made this year, have yet to be implemented and industry is not sure when these changes will be made to the Act, which business law firm Bell Dewar director Paul Fouche says is... 

Mining explosives industry lacks skills, but potential for growth exists

By: Anine Vermeulen The South African mining explosives industry has experienced significant growth in the last ten years, which is putting pressure on the industry’s limited local skills, says explosives supplier and manufacturer BME MD Francois Hay. The local pool of technical skills is becoming increasingly... 

Pump increases the safety of bulk emulsion use underground

By: Anine Vermeulen To increase safety during the application of underground bulk emulsions use, commercial explosives manufacturer AEL Mining Services Limited developed the PCU010 Portable Charging Unit (PCU) for use in narrow reef mining environments, with the electric and hydropower versions of the unit expected... 

UAVs to streamline blasting technology

By: Anine Vermeulen The combination of unmanned aerial vehicles (UAVs) and three-dimensional (3D) photogrammetric blasting survey and profiling technology for surface and underground mining applications is the latest technological development from international blast engineering and consulting firm RA McClure, Inc... 

Advancements in emulsion pumps improve power consumption

By: Idéle Esterhuizen German pumps company Netzsch Pumps & Systems has improved the product life and power consumption of its Nemo pump for explosive emulsions. 

Impending Explosives Act to improve outdated regulations

By: Idéle Esterhuizen The introduction of the Explosives Act of 2003 is expected to align South Africa’s explosives regulations with global best practices when it replaces the inadequate Explosives Act of 1956 and1972 Explosives Regulations next year or, at the latest, in 2013. 

Interest increases in 3D profiling and blast design technology

By: Idéle Esterhuizen Over the past three years, there has been a significant increase in the use of three-dimensional (3D) photogrammetric, or stereophotogrammetric, blasting survey and profiling technology for both surface and underground mining applications throughout the US, Canada and Europe, says international... 

Numerous strategies employed to secure NH3 supply

By: Idéle Esterhuizen The secure supply of explosives to the mining industry has become increasingly important, as the demand for commodities has returned to levels before the 2008 global recession, reports explosives supplier BME, a member of the Omnia group. 

Safer detonators to be exported into Africa

By: Idéle Esterhuizen Explosives manufacturer AEL Mining Services aims to export its latest offering, the safer and more environment-friendly third-generation (3G) Shock-Tube Uni-Delay LP (long-period) detonator, into Africa, specifically focusing on Zimbabwe, Botswana and Zambia. 

Funds raised for nitric acid plant

The proceeds from diversified chemicals services provider Omnia’s rights offer of R1-billion, will be used for the construction of a R1,4-billion nitric acid (HNO3) plant, in Sasolburg. The offer closed in September and attracted subscriptions of about R2-billion. 

Largest electronic blast at Optimum Colliery

Mining services company AEL Mining Services has completed a successful trial blast using the DigitShot Plus electronic initiating system at coal miner Optimum Colliery, which is based about 40 km east of Middelburg, in Mpumalanga province. 

Moving on research and development

By: Natasha Odendaal Explosives supplier Bulk Mining Explosive’s (BME’s) research into the development of improved explosives solutions has resulted in several products and services being introduced into the South African explosives market, says BME blasting director Tony Rorke. 

Software development to optimise mining operations

By: Natasha Odendaal Explosives and mining services company AEL Mining Services has developed several customised software blast-modelling packages that enable customers to make informed blasting decisions on mine sites.  

Explosives company launches new-generation mobile 
manufacturing unit

By: Mary-Anne O’Donnell Commercial explosives and blasting solutions company AEL Mining Services has introduced its new-generation E-20 T Mobile Manufacturing Unit (MMU) at an official launch at its head office, in Modderfontein, Johannesburg, at the beginning of October. 

Local blasting accessories manufacturer introduces new disposable initiator

By: Mary-Anne O’Donnell Blasting accessories manufacturer and supplier AEC Electronics (AECE) has developed a new disposable Shocktube initiator, the ShockStart model. The ShockStart is used to initiate Shocktube, a hollow plastic tubing that is loaded with a small amount of explosive powder for underground and surface... 

New narrow-reef emulsion system demonstrated at blast conference

By: Mary-Anne O’Donnell Explosives supplier BME demonstrated the newest model of emulsion pumps, the Narrow Reef Pump System for narrow-reef-mining operations, at the seventeeth yearly blast conference to show the advantages it has over other current explosive systems. 

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