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About the Quartz

Natural quartz sand primarily consists of rock quartz, vein quartz, sandstone quartz, as well as sea and river sand. The main goal is to remove impurities such as iron, aluminum, mica, and clay, while classifying and purifying the sand to produce high-purity quartz sand that meets the stringent standards required for industrial applications, including glass manufacturing, foundries, photovoltaics, and electronics.

Processing Technology

  • Crushing and Screening

    • The raw ore is crushed to an optimal size of 5–10 mm, effectively separating large gravel and waste rock to prevent clogging of downstream equipment. This process achieves a screening efficiency of 90% or higher.

  • Grinding and Classification

    • Grinding quartz particles to the target fineness (e.g., 20 mesh, 100 mesh) allows the quartz to be fully separated from encapsulated impurities (e.g., iron oxides, mica), laying the foundation for subsequent purification.

  • Purification

    • Scrubbing and desliming (removing clay and mud-like inclusions)
    • Classification and desliming (separating fine mud impurities)
    • Magnetic separation for iron removal (removing magnetic impurities)
    • Flotation (removing non-magnetic impurities such as mica and feldspar)
    • Chemical purification, using a mixture of hydrochloric acid, sulfuric acid, and hydrofluoric acid to soak the ore pulp and dissolve residual iron and aluminum oxides.

  • Concentration and Dehydration

    • Concentration and Dehydration to Obtain Solid Concentrate.
    • The purified slurry is concentrated by a thickener, dewatered by a filter press, dried by a dryer, and finally classified by a vibrating screen to select finished products of different specifications (such as coarse sand, medium sand, and fine sand) according to particle size requirements.
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Processing Plant Construction Workflow

  • Exploration iconExploration

    Foundation of all mining projects. Define ore body distribution, grade, and reserves for scientific decision-making.

  • Planning and Design iconPlanning & Design

    Translating exploration results into executable blueprints. Design efficient, economical, and safe production lines.

  • Construction iconConstruction

    Transforming designs into physical infrastructure. Ensure high-standard construction for rapid commissioning.

  • Operation and Maintenance iconOperation & Maintenance

    Steady-state production phase. Safe, stable, efficient, low-cost operation.

  • Sales and Logistics iconSales & Logistics

    Value realization phase. Fast, secure, low-cost value conversion.

  • Tailings Management iconTailings Management & ESG

    Critical for environmental safety and social license. Integrate safety, environmental responsibility, and social compliance.

Services

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    Engineering

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    Procurement

    Provide supporting equipment and materials for mining engineering projects, including mining and processing equipment, installation materials, mining supporting materials, installation and maintenance tools, mineral processing plant production lines, etc.

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    Construction

    SBM can provide civil construction, installation and commissioning services for mining engineering projects. Civil engineering includes the construction of mining engineering facilities, construction of mineral processing plants, and other basic infrastructure construction.

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    Mine Construction Management

    According to customer needs, providing full-process management and services for mining engineering project, or management and services at several stages, including design management, procurement management, construction management, and commissioning management.

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    Mine Operation Management

    According to customer needs, providing comprehensive operation and management services for all kinds of mines. Building unique and complete global mining service center according to regional needs to provide testing and technical consultation, spare parts and mining consumables, after-sales and project expansion services, etc.

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    Mine Digitalization Upgrade

    SBM’s digital mining solutions can enhance the project performance, safety and sustainability. Access to real-time data and analytics allows for informed decision-making, predictive maintenance, and optimization of mining processes.

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