Paterson & Cooke Chile Expands Laboratory Capabilities with Uniaxial Compressive Strength (UCS) Testing
Reliable laboratory testing plays a critical role in the design and optimisation of cemented mine backfill systems. Paterson & Cooke is proud to announce that our Santiago, Chile laboratory has expanded its capabilities by implementing UCS testing. This investment further strengthens our global network of specialist laboratories, which now all offers backfill testing.
by Daniel Alamos
Paterson & Cooke’s Denver Laboratory celebrates ISO 9001 certification
Achieving ISO 9001 certification marks an important milestone for Paterson & Cooke’s Denver Laboratory. Learn how the team’s dedication to quality and operational excellence has strengthened our laboratory capabilities and enhanced the services we provide to our mining clients.
by Nick Gow
Delivering One of Morocco’s Most Significant Water Infrastructure Projects
Water security has become one of the defining engineering challenges facing the mining industry globally. Read more about how this challenge took centre stage in Morocco with the successful commissioning of the Jorf Lasfar to Khouribga (J2K) desalinated water pipeline system.
by Julian Rusconi
Why Mine Backfill Has Become Critical to the Future of Underground Mining
Watch as our industry experts break down how modern mine backfill systems are transforming underground mining operations around the world. From pastefill technology and cemented rock fill systems to large-scale integrated mine infrastructure, this conversation reveals why mine backfill has become one of the most critical parts of modern mining engineering.
by Leslie Correia
Why Proper Sampling Matters in Mineral Processing Testing
In mineral processing testing, good data starts with good sampling. No matter how advanced the equipment or how detailed the test work is, the results are only as reliable as the sample being tested. Read more about the factors that make the biggest difference in reducing technical risk and generating reliable metallurgical data.
by Nick Gow
Supporting Smarter Tailings Water Decisions Through Engineering Insight
The article explores the growing importance of effective tailings water management as mining operations face increasing pressure to reduce water consumption, improve environmental performance, and adapt to site-specific challenges.
by Rachel Jansen
Strengthening Expertise at Our Latest Cape Town Slurry Pipeline Course
Paterson & Cooke brought together industry professionals in Cape Town, South Africa, for another successful Slurry Pipeline & Principles Course, held from 9–12 March 2026.
by Angus Paterson
Designing High-Performance Paste Backfill Systems at MMG Khoemacau Zone 5
In this technical article, we look at the design of the paste backfill system for MMG Khoemacau Zone 5 Mine, where long paste reticulation distances, high-pressure pumping requirements, and ultra-fine tailings presented a number of engineering challenges.
by Bruno Salvoldi
Rethinking Tailings Management in a Changing Mining Landscape
Industry evaluations often default to cost-focused comparisons, typically capital and operating cost of the process equipment, tailings transportation system, or material handling fleets. Given growing concerns around water scarcity, this article highlights the need for a holistic, systems-based approach that integrates technical, environmental, and operational drivers.
by Rachel Jansen
From Dilute Slurry to Controlled Flow: The Critical Role of Thickening in Modern Process Circuits
Thickening is one of the most fundamental unit operations in mineral processing and hydrometallurgical flowsheets. At its core, the process involves separating solids from liquid by gravity settling, producing a clarified overflow stream and a concentrated underflow slurry.
by Malcolm Gillespie
Static Cylinder Settling Test – A Simple Test That Delivers High Value
Static cylinder settling tests are a fundamental part of understanding slurry settling behaviour. Although the procedure is simple, the test provides valuable insights into slurry system surface chemistry and solid-liquid interaction, allowing optimisation of tailings dewatering.
by Rachel Jansen
Why Paste Pump Performance Matters in Underground Backfill Systems
When it comes to backfilling mines with paste, transporting the paste material from the surface plant down into the stopes is critical. The reliability of this transport network, known as the underground distribution system (UDS), directly impacts mining schedules, binder consumption, and ultimately, operating costs.
by Leslie Correia
Understanding Coagulation & Flocculation in Slurries
Efficient slurry dewatering is key to many mining and mineral processing operations, and two of the most important processes involved are coagulation and flocculation. This short demonstration provides a clear and practical look at the fundamentals of coagulation and flocculation to optimise reagent usage.
by Rachel Jansen
From Flow to Future: Managing Long-Distance Pipelines
Long-distance pipelines are critical mining assets transporting valuable concentrates like copper and iron. We take a look at how to keep pipelines safe & reliable, and how to embed integrity management into planning.
by Leonardo Olavarria
Understanding the Boger Slump Test for Paste Characterisation
In this short video, we demonstrate the Boger Slump Test, a simple, yet effective method used to assess the yield stress and flow behaviour of paste materials and high-density slurries.
by Leslie Correia
The Future of Structural Design: How AI is Revolutionising the Industry
AI is evolving rapidly, and its role in structural engineering will only grow. We investigate how AI is proving to be a game-changer, enhancing efficiency, accuracy, and innovation in structural design.
by Tiago Ribeiro
How a Scale Model Helped Solve a Big Tailings Distribution Challenge
See how our team ensured even flow distribution in a newly designed tailings distribution box—before building it full-scale. The solution? Build a physical model at reduced size and simulate real-world behaviour in the lab.
by Diego Hoebel
Understanding the Bench Scale Dynamic Thickener Test – A Key Step in Thickener Design
In this short video, we showcase the Bench Scale Dynamic Thickener Test, a critical laboratory procedure used to evaluate the settling behaviour and underflow characteristics of slurries in a controlled environment.
by Rachel Jansen
From Ore to Outcome: Paterson & Cooke Strengthens Hydrometallurgical Capabilities
Paterson & Cooke has significantly expanded its hydrometallurgical and mineral processing capabilities at the Cape Town office. This development positions the facility as a centre of excellence for integrated process testing and flowsheet development.
by Jean Jacques Mbayo
Enhancing Mine Planning Efficiency with Client Collaboration
Our industry experts Todd Wisdom, Rachel Jansen, and Kathy Adams had the privilege of being interviewed for a Mining Now episode. They share their insights on the pressing challenges faced by the mining sector and how Paterson & Cooke’s pioneering solutions are reshaping the future of mineral processing and tailings management.
by Kathy Adams
Hydraulic Phenomena of a Long-Distance Pipeline with Tight-Lined Positive Displacement Pumps
Watch Joel Petraglia for a deep dive into the unique hydraulic phenomena that arise in these systems. This webinar explores how PD pump operation and line packing interact, providing essential insights for designing, controlling, and troubleshooting such systems.
by Joel Petraglia
Announcing a Paterson & Cooke and CMEH Partnership
Paterson & Cooke UK is excited to be part of the new Critical Mineral Equipment Hub (CMEH) in Cornwall. Find out more about what the CMEH is and how this partnership will benefit our clients.
by Paul Ainsworth
How to Visualise Slurry Flow: A Unique Demonstration Tool
At Paterson & Cooke, we understand the challenges of designing reliable slurry transport systems. That’s why our UK office has developed an innovative pipe loop, specifically designed to visually demonstrate the behaviour of settling slurries during pipeline flow. View a video of how we use a safe mix of water and coloured beads to effectively simulate slurry dynamics.
by Ignacio Bazan
Ensuring Safe Cyanide Management: The Path to Cyanide Code Certification
The International Cyanide Management Code was developed to guide the gold mining industry, cyanide producers, and transporters in adopting safer practices with the aim of protecting mine workers, the public, and the environment. In this article we discuss why Cyanide Code certification matters, and unpack the steps required to become an official Cyanide Code signatory.
by Chase Ruff
Slurry Sample Preparation is the Key to Obtaining Good Test Results
Before commencing with any test work, it is of vital importance that samples are properly mixed and prepared to ensure that the test work is conducted on representative samples. Excessive … Read More
by Paterson Cooke
Tailings In-line Flocculation
In-line flocculation is becoming increasingly more common in tailings dewatering. In fine tailings storage facilities, problematic clay mineral particles may not settle effectively and additional processes are required to promote … Read More
by Paterson Cooke
Holistic Approach to Improve the Performance of Tailings Disposal Systems with Variable Clay Mineralogy
This article presents the importance of a holistic approach to improve the performance of mine waste disposal systems treating ores with a variable mineralogy. Mine tailings that contain clay minerals … Read More
by Paterson Cooke
Paste Fill Plant Capacity: How Big is Big Enough?
Are you planning to install a new paste fill system at your mine? Or maybe your ore reserves have increased and mining production is scheduled to be ramped up going … Read More
by Paterson Cooke
Is There a Place for the Slump Test in the Modern Pastefill Plant?
The ASTM slump test has been the backbone of the pastefill plant quality control program since it was adopted from the concrete industry in the early days of pastefill system … Read More
by Paterson Cooke
Slack Flow – To Be or Not To Be
I was working with my P&C teammates on a brownfields tailings project where the owner was planning to construct a new tailings storage facility (TSF). The new TSF was adjacent … Read More
by Paterson Cooke
Backfill – Key Properties
When designing an underground mine, one of the key decisions is whether to backfill the voids left by mining. The backfilling decision is generally influenced by a range of factors … Read More
by Paterson Cooke
Backfill Cost Reduction: Designing Around Hydraulic Capability
The use of cemented paste backfill in underground mining is commonplace as a method for tailings disposal, rockmass confinement or minimising convergence between the hanging wall and foot wall of … Read More
by Paterson Cooke
Selecting Slurry Pumps Based on Operating Frequency Map
Many slurry pumping systems in the mining industry operate over a wide range of duties as processing requirements and material properties change. The pump selection must be able to achieve … Read More
by Paterson Cooke
Tailings Pump Station Layout – Planning for the Future
Paterson & Cooke is currently engaged on several tailings pumping system upgrade projects. These are typically associated with increased throughput requirements (associated with a plant expansion), increased pumping head requirement, … Read More
by Paterson Cooke
The Impact of Ore Body Variability on Mine Waste Tailings Disposal Systems
Ore body variability can have a significant effect on the various elements of mine waste tailings disposal systems, including: thickening systems, tailings pump and pipeline systems, and tailings storage facilities. … Read More
by Paterson Cooke
Paste Backfilling on a Budget
Low Capital Investment Options to Support Mining Activities Paste backfill has become known as a superior ground support tool and mine waste disposal method, albeit usually one with a higher … Read More
by Paterson Cooke
Data Uncertainty Related To Backfilling Operations
A recurring problem in mining projects is the collection and interpretation of data which is applicable to backfilling operations in general. The basis for design is therefore compromised by external … Read More
by Paterson Cooke
Arctic Climate Pipeline Design Considerations
Over the years there has been an increasing trend for resource companies to develop mining projects in cold regions and areas of permafrost. The arctic presents unique engineering challenges. Many … Read More
by Paterson Cooke
Optimising Operating Ranges to Control Backfill Variability
A paste backfill system seldom operates at a fixed operating point and the system always needs to accommodate considerable variability in materials depending on what ore is being mined and … Read More
by Paterson Cooke
Optimise Your Backfill Through Particle Size Manipulation
The global trend of decreasing metalliferous ore grades and increasingly complex mineralogies is leading to finer grind sizes to achieve the necessary liberation for ore beneficiation. The impact of this … Read More
by Paterson Cooke
Mine Backfill Forensics – Pastefill Pipe Blockage
Despite the best intentions during the engineering and design phase, things can go amiss in a pastefill system and the pipeline ends up becoming plugged. The first step is … Read More
by Paterson Cooke
Operating Slurry Pipelines with a Deposit
Slurry pipelines are conventionally designed to operate without a deposit on the pipeline invert – i.e. the minimum operating velocity is greater than the deposition velocity. Largely this approach has … Read More
by Paterson Cooke