Pumping solutions for mining and metal and mineral processing

Companies in the mining, metal, and minerals sectors globally depend on LEWA pumps and systems for their critical processes. Our solutions, ranging from explosives manufacturing and ore extraction to metal and mineral recovery, effluent treatment, and final product finishing, have enabled our clients to reduce energy and consumable costs. At the same time, they maintain high operational safety and achieve a low cost of ownership.

Solutions for the mining industry and metal and mineral processing

Our specialized equipment for mining and metal and mineral processing meets all industry requirements. LEWA provides EPC companies, operators, and end-users with a comprehensive portfolio of advanced metering, process, and centrifugal pumps and pumping systems.

In developing our solutions, we consider industry standards alongside your specific needs and operational conditions. Our products feature a wide range of pressures and flows, hermetically sealed units, and high-efficiency designs to ensure utmost safety. LEWA pumps and systems, such as those equipped with sandwich PTFE diaphragms, offer enhanced pumping safety for handling hazardous materials like cyanides and sulfuric acids, ensuring maximum cost-efficiency.

With decades of experience, LEWA delivers international engineering and project expertise, supporting you through every phase of your project. Trust an experienced supplier—trust LEWA!

LEWA triplex process pump


Ores are typically extracted from formations such as orebodies, lodes, veins, seams, reefs, or placer deposits. The materials recovered through mining operations include a variety of resources such as metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.

LEWA pumps and pumping systems are expertly designed to handle any chemical fluid used in the extraction, processing, and finishing of valuable minerals or other geological materials from the earth.

For more detailed information on how our solutions can support your operations, please contact us!


Size Reduction Processes
Spray dryingMineral itself in suspensionAtomize, dry and homogenize the mineral into thin powder
Separation Processes
LeachingAcid waterLixiviant for copper, nickel and other metals
Activated CarbonGold extraction via adsorption of gold cyanide solution
Anhydrous AmmoniaLixiviant for nickel. Precipitant in uranium extraction
Acqua RegiaMelting of palladium, gold and platinum
Caustic Soda (Liquor & Pearl)Elution stripping of gold adsorbed onto activated carbon
Ferrous SulphateCyanide detoxification in gold mining process
Hydrochloric AcidPre‑elution treatment of activated carbon in gold mining
Lead NitrateAccelerator in gold cyanidation
Sodium Bisulphite (SBS)Cyanide detoxification in gold mining
Sodium ChlorateOxidant in uranium extraction
Sodium CyanideGold extraction using cyanidation heap leach, CIP or CIL processes
Sodium Metabisulphite (SMBS)Cyanide detoxification in gold mining
Sulfuric AcidLixiviant in copper and nickel mining. Cyanide destruction in gold mining
FlotationCopper Sulphate PentahydrateActivator for sphalerite (ZnS), pyrite (FeS2) in base metal ores
Lead NitrateActivator for stibnite (Sb2S3) in antimony ores
DSPcollectorsRange of specialty collectors
Potassium Amyl Xanthate (PAX)Strong, unselective collector
Sodium Ethyl Xanthate (SEX)Weak, highly selective collector
Sodium Isobutyl Xanthate (SIBX)Good general purpose collector
Carboxymethyl Cellulose (CMC)Selective collector with higher recovery than SEX
DextrinDepressant for talc and gangue minerals in base metal ores
Guar GumOrganic Acid gangue depressant for orescontaining oxide minerals
Depressant for carbon and galena (PbS) minerals in base metal ores 
Depressant for gangue minerals, particularly silicate in base metal ores
Sodium CyanideDepressant for base metal ores
Sodium Metabisulphite (SMBS)Dispersant and pH control
Sodium SulphiteRange of specialty frothers
Zinc SulphateWide application general purpose frother
Soda AshSulfidising agent for oxide minerals
DSF FrothersSulfidising agent and depressant for base metal ores
Sodium HydrosulphideGold precipitation
DewateringAluminium SulphateInorganic flocculant for water treatment
Ferric ChlorideInorganic flocculant for water treatment
Ferric SulphateInorganic flocculant for water treatment
Polyacrylamide FlocculantsRange of nonionic, anionic and cationic polymers for thickening applications
Refining Processes
ConvertingCoal in suspensionCoal refinement through liquefaction
SolventsVehicle for suspension
OilVehicle for suspension
PhenolsBy-product of the conversion process
AmmoniaBy-product of the conversion process
Hydrogen sulfideBy-product of the conversion process
Hydrocyanic acidBy-product of the conversion process
H2S scavengerAgent to reduce the presence of sulfur(corrosive)in the process
ParaffinFinal product
AlcoholsFinal product

More LEWA reference applications – In-depth information

Coal production in the Mining Industry

Coal refinement with remote-head metering pumps in condensing systems

When coal is refined, it is ground as fine as dust and mixed into a suspension kept at a high temperature. LEWA metering pumps with a remote pump head are used for this.

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Sulfuric acid injection in copper heap leaching

Sulfuric acid injection in copper heap leaching

LEWA process pumps are used to reinject sulfuric acid at 98% into the main pipelines that go to the heap leach sprinklers. 

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LEWA ecoflow diaphragm metering pump all around talent

LEWA ecoflow®: The Leading Diaphragm Metering Pump for Precision Fluid Management

LEWA ecoflow: The Innovative Universal Metering Pump with DPS Diaphragm Protection. Trusted across all industries, this modular system pump excels in a wide range of applications. Experience unparalleled versatility and reliability with our ecoflow, the ultimate choice in metering pump technology.

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LEWA ecosmart diaphragm metering pump

LEWA ecosmart®: Precision-Engineered Diaphragm Metering Pumps for Efficient Fluid Control

Experience the innovative LEWA ecosmart, a compact diaphragm metering pump offering multiplex capabilities at a competitive price. We assure the renowned LEWA quality, backed by our 70 years of market expertise. Choose LEWA ecosmart for smart metering pump solutions without compromising on quality or performance.

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LEWA ecodos diaphragm metering pump

LEWA ecodos®: Robust Mechanical Diaphragm Metering Pumps for Precision Dosing

The LEWA ecodos metering pump delivers absolute reliability, cost-efficiency, and adaptability for applications preferring non-diaphragm actuation. Trust in our proven modular system to design the optimal metering pump tailored to your specific needs.

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LEWA ecoflow process pump

LEWA ecoflow®: The Leading Process Pumps for High-Pressure Applications

The innovative ecoflow diaphragm process pump excels in high-pressure applications across industries including oil and gas, refinery, petrochemicals, pharmaceuticals, biotechnology, and food and beverage production.

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LEWA triplex process pump

LEWA triplex®: Compact Process Pumps for High-Pressure Applications

The LEWA triplex process diaphragm pump stands out as one of the world's most compact high-pressure pumps, ideal for installation in confined spaces. Renowned for its robustness, it has demonstrated exceptional performance across various high-pressure processes in multiple industries.

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NIKKISO Non seal canned motor pump

NIKKISO NON-SEAL canned motor pump

The NIKKISO NON-SEAL canned motor pump has been designed specifically for the chemical industry. To do this, the centrifugal pump is designed in accordance with API 685.

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LEWA customer specific metering systems

Customer-Specific Metering Systems from LEWA

Turnkey metering system in closed loop control with monitoring and plausibility testing equipment. Your individually configured metering system with an optimally designed pump for fluid metering in automated processes.

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