Our
Range of
Services
engineering specialists

Services by Sustainable Slurry & Backfill Solutions




We provide engineering services ranging from pre-feasibility studies to detailed designs, field testing, design reviews, cost estimates, material property test work, commissioning and brown fields optimisation studies.


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Our key areas of expertise include the following:


Area of Expertise



Recipe Optimisation

Recipe optimisation ensures operating cost efficiency while meeting the minimum required backfill strength underground and ultimately satisfies the current and future production profiles of a mine. The key to recipe optimisation is to limit the amount of binding agent necessary to meet both the short and long term strength requirements, while maintaining a flowable backfill product. Cement screening and quality tests are key to ensuring an optimised backfill recipe. Determination of the type of fill suitable for the specific application (hydraulic, paste, rock/aggregate) is key to ensure long term sustainability of a mine’s backfill system.

Process Design

Flowsheet development of the backfill preparation process from trade-off level to detailed design, incorporating the optimised backfill recipe design, mass balance, binder addition and trim water requirements.

Backfill and Grout Plant and Reticulation Designs

Backfill and Grout systems are designed to offer solutions suitable to the type of fill (hydraulic, paste, rock/aggregate). SSBS provides optimal designs to ensure safety and limit wear during long term operation. Solutions include hydraulic, mechanical and structural designs.

System Audits

On site audits of backfill or grout systems are provided to identify system bottlenecks, confirm actual plant throughputs and determine the required throughputs to meet production profiles. Through a systematic audit procedure, areas of non-conformance are identified, processes are optimised and downtime is reduced in order to meet the required current and future production profiles.

Backfill and Grout Systems Commissioning

SSBS provide suitably experienced staff to assist in bringing the backfill plant to full production while confirming the correct backfill product is produced and placed underground.



Process Design

Flowsheet development of the slurry or tailings transportation system from trade-off level to detailed design, incorporating gland service requirements. Process design to ensure transportation throughputs and water management.

Pump Station and Pipeline Design

SSBS provides optimal pump station designs and layouts which are functional with the emphasis on long term sustainability and serviceability. Solutions include hydraulic, mechanical and structural designs as well as gland service water designs.

System Audits

On site audits of slurry systems to identify system bottlenecks, optimise processes and reduce downtime to ultimately meet the current and future production profiles.

Slurry System Commissioning

SSBS provide suitably experienced staff to assist in bringing the slurry system to full production while confirming the system requirements.



Material Property Test Work

SSBS offers a range of material property test work which include Particle Size Distribution (PSD), solids density and permeability (hydraulic conductivity) tests for characterization of tailings and backfill materials.

UCS Test Work

Test work capabilities also includes Unconfined Compressive Strength (UCS) test work for backfill applications. UCS tests are used to determine the strength development of potential backfill mixtures and binders. These tests are used to ultimately optimise backfill recipes for our clients by taking binder requirements as well as backfill flowability into consideration.

Backfill Binder Quality Test Work

SSBS also offers binder quality test work to ensure that binder strength development conforms to the relevant standards.



Specialised Training Courses

We offer training courses for management, engineering, and operating staff. On-site training courses, customised to address client specific needs can also be provided.