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Search Results - Operations, Sand Processing

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The decision to replace production equipment before it is exhausted is both economic and performance-driven.

Conveying
Making the right equipment replacement decisions

Is it time to replace your plant and equipment? Paul D Tomlingson discusses how the economics of replacement must be balanced against the potential performance benefits of new equipment. Read more »

Case Studies
Latest washing advances launched at Hillhead

Terex Washing Systems (TWS) used the recent Hillhead outdoor quarry exhibition in Buxton, UK, to showcase two new products: the AggWash 300, a screening, scrubbing, sizing and sand recovery system for recyclable aggregates, all on one modular chassis; and AquaClear, Terex’s first water management treatment system. Read more »
Young Members Network’ members take in MQG’s Nyora Quarry in South Gippsland, Victoria.

News
Pit to product tour provides valuable networking opportunities

A recent event hosted by the IQA offered young quarry professionals a full pit to product sand tour, from extraction at a quarry to its use at two well known facilities. Read more »
With the aid of Scope Engineering, Rocla has installed a new 220 tph wash plant at its Calga Quarry.

Case Studies
Sand operation gains from Australian-made, fixed plant upgrade

A construction materials producer has been able to increase its sand output after a successful collaboration with an Australian supplier to replace its washing circuit. Damian Christie spoke to Rocla’s Angus Richmond and Scope Engineering’s Paul Fletcher about their companies’ partnership. Read more »
Hanson Aggregates’ wash plant includes a classifying tank, a log washer, a single sand screw and a twin sand screw.

Case Studies
Dredging in the river valley

On a recent trip to the United States, Jim Hankins visited a Hanson Aggregates operation in Ohio that is dredging a glacial deposit. The dredge operation is supplemented by dry mining, washing sand and rock, plus crushing and screening of various sized aggregates. Read more »
Metromix’s Teralba Quarry is capable of producing 750,000 tpa of conglomerate products.

Case Studies
Optimising a conglomerate processing plant with simulation software

After a new development approval (DA) was granted in February 2013, Metromix’s Teralba Quarry, west of Newcastle, investigated ways of optimising its plant and equipment to meet the new DA requirements, including washer upgrade options for the wet side of the processing plant. Muhammad Yunusa conducted the investigation and reports on his findings and conclusions. Read more »
An example of a flocculated conventional tailings slurry. Conventional low density deposition of tailings still has a part to play for the right site at the right time.

Case Studies
Tailings management: Laying the groundwork

The ideal tailings management system produces the correct volume of process water at the best quality and tailings with the right characteristics, while minimising the impact of waste solids on the site’s function. The key to getting it right, Stewart Reeve explains,
is to understand the nature of your tailings. Read more »
The V7 is a dry-processing plant that is fed with surplus crusher dust and produces well-shaped, evenly graded  sand that will replace natural sand, without the need to blend.

Case Studies
Manufacturing sand for a low carbon era

A research program being undertaken by a Cardiff University engineering department has clearly demonstrated that good quality sand can be manufactured from surplus crusher dust and used as a replacement for natural sand. Diane Gardner, Martins Pilegis and Bob Lark explain. Read more »
Since the M2500 sand wash plant has been operating at Wood Mulch Industries, it has produced approximately 80 tonnes of washed sand per hour.

Case Studies
Washing creates value in sandstone aggregate

A Queensland raw materials producer's new sand washing plant has impressed from the get go. Read more »
Engineered sand from Luck Stone’s Goose Creek operation.

Case Studies
Seeking dry engineered sand solutions

In its quest to offer a replacement concrete sand that would satisfy strict regulatory specifications, a US aggregate company has shown that results come with persistence. Read more »
Tarmac’s newly installed 250 tph aggregate processing plant at its Blashford site in Hampshire, UK.

Case Studies
Building materials giant increases sand processing production

A major player in the UK construction materials industry enjoys success with the installation of a new sand processing plant. Read more »
Silt ponds or tailings ponds have been used for decades across the country with varying degrees of success.

Case Studies
Paste technology: An alternative look at tailings management

As the quarry industry has become more regulated, the treatment of tailing and process water has grown more intricate. Jim Hankins considers the role paste technology has played in tailings management in the mining industry and argues why it could also be adapted for quarrying. Read more »


 

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