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Filtration

Filtration is a physical separation technology that removes solid particles, contaminants or impurities from fluids – liquids or gases – by passing the fluid through a porous medium or filter barrier. The process relies on size exclusion, where particles larger than the filter's pore size are retained while the filtered fluid passes through. Filtration finds application across numerous industrial sectors including mining, water treatment, pharmaceuticals, food and beverage processing, chemical manufacturing and air quality management. In mining and quarrying operations, filtration systems are critical for managing airborne dust and particulates that pose occupational health risks to workers, often integrated into heating, ventilation and air-conditioning (HVAC) systems to maintain safe working environments underground and in processing facilities. Industrial filtration equipment ranges from simple mechanical screens and fabric filters to advanced membrane systems and electrostatic precipitators, selected according to particle size, fluid properties and required purity levels. The technology supports regulatory compliance with occupational exposure limits and environmental discharge standards. Filtration efficiency is measured by the percentage of particles removed and the pressure drop across the filter medium, with regular maintenance and filter replacement essential to sustained performance. Modern filtration systems increasingly incorporate automated monitoring and self-cleaning mechanisms to reduce downtime and operating costs. The technology has evolved significantly since its early industrial applications, with ongoing development focused on nanofiltration, ceramic membranes and energy-efficient designs that balance throughput with separation performance.

Filtration Updates


Imag of an air filter installed in the cabin of heavy machinery
Advanced filtration systems support operator safety
15th May 2026

Machine operators in mining environments are exposed to hazardous particulates, such as respirable crystalline silica (quartz dust) and diesel particulate matter (DPM), that are dangerous to... 


Panellists speaking in a Donaldson Filtration webinar agree that reducing downtime in mining is not reliant on a single intervention, but rather on a combination of disciplined maintenance, effective contamination control and the strategic use of technology
Filtration strategies key to cutting downtime in mining operations, says Donaldson
7th May 2026 By: Shannon de Ryhove

Reducing unplanned downtime remains one of the most pressing challenges facing mining operations, with direct implications for productivity, operating costs and equipment longevity. This was a... 


An image of a sampling valve
Proactive maintenance prolongs performance
13th February 2026 By: Nadine Ramdass

Proactive, data-based maintenance ensures lubricants are kept in peak condition, improving asset performance, lowering operating cost and extending equipment life, says oil analysis specialists... 


Donaldson Filtration Sales Director Cameron Diesel talks to Engineering News & Mining Weekly at Investing in African Mining Indaba in Cape Town.
Tech-led filtration products for a wide range of industries
10th February 2026 By: Creamer Media Reporter

Global leader in technology-led filtration products and solutions Donaldson Filtration serves a broad range of industries and advanced markets. Diverse, skilled employees at over 150 locations on... 


A Donaldson webinar outlines how a coordinated filtration ecosystem can improve performance across the mining value chain
Donaldson’s filtration strategy gains ground through integrated partnership model
6th February 2026 By: Shannon de Ryhove

A mine-wide approach to filtration – spanning mobile equipment, bulk fluids and industrial air systems – is emerging as a practical lever to improve reliability, reduce downtime and lower total... 


Booyco Engineering’s advanced HVAC systems are designed to protect mobile machinery operators from dust, heat and CO₂ exposure in South Africa’s demanding mining and quarrying environments
Integrated HVAC solutions enhance operator safety and compliance in mining cabs
14th January 2026

With over 40 years of specialised expertise, Booyco Engineering continues to lead the way in climate control solutions for South Africa’s mining and quarrying sectors - industries where airborne... 


An image of the Contura Pulse Controller
New technology improves dust control, filtration processes
28th November 2025

A new dust collector control solution, the Contura Pulse Controller, which will be equipped with the company’s iCue Connected Technology, is being launched by Industrial filter products and... 


An illustration of the Membralox GP-IC membrane system
Membrane system enhances food, beverage processing efficiency
28th November 2025

An innovation for the food and beverage industry, the Membralox GP-IC ceramic membrane system, has been launched by filtration and separation solutions provider Pall Corporation, as announced in a... 


An image of he Fleetguard filtration products
Filtration solutions enhance performance, service life
28th November 2025

Industrial equipment supplier BMG’s fluid technology services include solutions for fuel and industrial filtration systems, hydraulics and pneumatics, lubrication, hydraulic hose and fittings, as... 


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