Pumping solutions for mining and metal and mineral processing 

Companies in the mining, metal and minerals sector all over the world rely on LEWA pumps and systems in their processes.

From the explosives manufacturing, ore extraction and metal and mineral recovery to effluents treatment and final product finishing, our solutions have helped our clients to save energy and consumables while keeping high operational safety and low cost of ownership.

Solutions for the mining industry and metal and mineral processing

Our qualified equipment for mining and metal and mineral processing allows us to comply with all requirements in these industries. We offer EPC companies, operators, and end-users our complete portfolio of high-end metering, process and centrifugal pumps and pumping systems.

When developing our solutions we take industry standards as well as your requirements and circumstances into consideration. Wide range of pressures and flows, hermetically sealed units, high efficiency design and extreme safety are a matter of course for LEWA. We offer you a safe tool for ore extraction, treatment and finishing in the form of our pumps and systems. For example, with features as sandwich PTFE diaphragm for maximum pumping safety of cyanides and sulfuric acids, ensuring maximum cost-efficiency!

Our many years of experience mean that we are able to offer international engineering and project expertise to assist you in all phases of your project.

Count on an experienced supplier – LEWA!

    Background

    Usually from an orebody, lode, vein, seam, and reef or placer deposit. This ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.

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

    Contact us for more information!

    Applications

    Process Chemicals Purpose
    Size Reduction Processes
    Spray drying Mineral itself in suspension Atomize, dry and homogenize the mineral into thin powder
    Separation Processes
    Leaching Acid water Lixiviant for copper, nickel and other metals
    Activated Carbon Gold extraction via adsorption of gold cyanide solution
    Anhydrous Ammonia Lixiviant for nickel. Precipitant in uranium extraction
    Acqua Regia Melting of palladium, gold and platinum
    Caustic Soda (Liquor & Pearl) Elution stripping of gold adsorbed onto activated carbon
    Ferrous Sulphate Cyanide detoxification in gold mining process
    Hydrochloric Acid Pre‑elution treatment of activated carbon in gold mining
    Lead Nitrate Accelerator in gold cyanidation
    Sodium Bisulphite (SBS) Cyanide detoxification in gold mining
    Sodium Chlorate Oxidant in uranium extraction
    Sodium Cyanide Gold extraction using cyanidation heap leach, CIP or CIL processes
    Sodium Metabisulphite (SMBS) Cyanide detoxification in gold mining
    Sulfuric Acid Lixiviant in copper and nickel mining. Cyanide destruction in gold mining
    Flotation Copper Sulphate Pentahydrate Activator for sphalerite (ZnS), pyrite (FeS2) in base metal ores
    Lead Nitrate Activator for stibnite (Sb2S3) in antimony ores
    DSPcollectors Range 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
    Dextrin Depressant for talc and gangue minerals in base metal ores
    Guar Gum Organic 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 Cyanide Depressant for base metal ores
    Sodium Metabisulphite (SMBS) Dispersant and pH control
    Sodium Sulphite Range of specialty frothers
    Zinc Sulphate Wide application general purpose frother
    Soda Ash Sulfidising agent for oxide minerals
    DSF Frothers Sulfidising agent and depressant for base metal ores
    Sodium Hydrosulphide Gold precipitation
    Dewatering Aluminium Sulphate Inorganic flocculant for water treatment
    Ferric Chloride Inorganic flocculant for water treatment
    Ferric Sulphate Inorganic flocculant for water treatment
    Polyacrylamide Flocculants Range of nonionic, anionic and cationic polymers for thickening applications
    Refining Processes
    Converting Coal in suspension Coal refinement through liquefaction
    Solvents Vehicle for suspension
    Oil Vehicle for suspension
    Phenols By-product of the conversion process
    Ammonia By-product of the conversion process
    Hydrogen sulfide By-product of the conversion process
    Hydrocyanic acid By-product of the conversion process
    H2S scavenger Agent to reduce the presence of sulfur(corrosive)in the process
    Paraffin Final product
    Alcohols Final product

    Products

    LEWA ecoflow diaphragm metering pump

    LEWA ecoflow diaphragm metering pump

    The ecoflow® diaphragm metering pump from LEWA is a true all-around talent in the field of metering and mixing and can be used in all industries.

    LEWA ecosmart

    LEWA ecosmart the smart metering pump

    The LEWA ecosmart® diaphragm metering pump is the inexpensive metering pump for various applications and can be ordered quickly and conveniently through the online store.

    LEWA ecodos mechanical diaphragm pump

    LEWA ecodos mechanical diaphragm pump

    The ecodos® mechanical diaphragm metering pump from LEWA is suitable for all pumping and metering tasks in the low-pressure range.

    LEWA ecoflow process diaphragm pump

    LEWA high pressure pump for process engineering

    The LEWA ecoflow process diaphragm pump is the top performer among innovative and universal process pumps for high-pressure process technology.

    LEWA triplex process pump

    LEWA triplex high pressure pump for process engineering

    LEWA triplex is the most compact process pump in the world for high-pressure processes in all branches of industry. Contact us, we are happy to help!

    LEWA high-pressure plunger pumps

    LEWA Plungerpump

    LEWA is your pump expert in all things relating to high-pressure plunger pumps. We will help you find the right pump to use in the high-pressure range!

    Nikkiso centrifugal canned motor pump

    Nikkiso canned motor pump

    The NIKKISO centrifugal canned motor pump is perfectly suited for transfer and circulation tasks in the chemical industry. We are happy to help you make your selection.

    Customer-specific metering systems

    LEWA metering system

    LEWA provides you with custom-designed metering systems according to your specifications. Put your trust in the experience gained from 60 years of metering technology in various industries.

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