Chemical Attack Protection for the Mining Industry

Repair composites and protective coatings providing outstanding chemical resistance against a wide variety of harsh chemicals.

Protect your mining equipment and structures from chemical attack with Belzona

Belzona’s enhanced chemical-resistant systems provide excellent resistance to a broad range of chemicals including acidic and alkaline substances for a large variety of mining equipment and structures including chemical storage tanks and leach tanks.

These products adhere tenaciously to substrates such as concrete, most metals and composites, providing protection to these surfaces in aggressive conditions. Suitable for rebuilding, coating and screeding, these high-performance systems protect structures against the consequences of chemical attack such as downtime, increased maintenance costs, and environmental and safety hazards.

Belzona 4181 (AHR Magma-Quartz)

Acid and heat-resistant epoxy concrete repair mortar.

Belzona 4301 (Magma CR1 Hi-Build)

Highly chemical-resistant epoxy novolac repair and resurfacing composite.

Belzona 4311 (Magma CR1)

Epoxy novolac barrier coating suitable for concrete and metal protection, offering high resistance to a broad range of chemicals.

Belzona 4331 chemical protection for metal and concrete

Belzona 4331 (Magma CR3)

Epoxy novolac barrier coating for concrete and metal protection, offering high resistance to hot organic acids.

Belzona 4341 (Magma CR4)

Epoxy novolac barrier coating for concrete and metal protection, offering high resistance to hot inorganic acids.

Belzona 4351 (Magma CR5)

Epoxy novolac, static-dissipative barrier coating suitable for concrete and metal protection, offering high resistance to a broad range of chemicals.

Belzona 4361

Flexible chemical-resistant epoxy barrier coating suitable for concrete protection. Particularly suitable for areas subject to movement.

CASE STUDIES

BELZONA PROTECTS CONCRETE FROM CHEMICAL ATTACK

Concrete damaged by cyanide attack protected with Belzona

Concrete wall protected from chemical cyanide attack

Concrete footings protected from chemical atack with Belzona

Application of Belzona using formwork to protect concrete from chemical attack

Chemical Attack in the Mining Industry

Chemical attack due to exposure to harsh substances such as acids, alkalis, and corrosive minerals on mining equipment and structures is a significant concern to mine operators.

Machinery, pipelines, and structural components often come into contact with acidic mine drainage, leaching solutions, and chemical reagents used in extraction processes. This exposure leads to corrosion, material degradation, and reduced operational efficiency, increasing maintenance costs and the risk of equipment failure.

Implementing protective coatings, selecting corrosion-resistant materials, and employing proper maintenance strategies are essential to mitigate the impact of chemical attack and ensure the longevity of mining infrastructure.

Applications

Belzona provides protective coatings and repair composites that help prevent chemical attack on various types of infrastructure and equipment in the mining industry. Some key assets that can be protected include:

Pipelines & Ducting
Storage Tanks & Containment Areas
Pumps & Valves
Structural Steel & Supports
Chutes & Hoppers

Heat Exchangers & Condensers
Flotation Cells & Agitators
Crusher & Mill Components
Concrete Infrastructure
Cooling Towers & Water Treatment Equipment

Flotation cell surface cleaning in progress

Flotation cell protected from chemical attack with Belzona

FLOTATION CELLS

Damage in flotation cells is caused by the constant abrasion of the ore hitting the
tanks walls. Galvanic corrosion occurs at the steel surfaces once abrasion starts.
The sediment of the ore in flotation cells is very abrasive, thus affecting the tank floor. Belzona repair composites are used to fill the voids in the metal walls and Belzona erosion-corrosion resistant coatings are used to provide a seamless lining.

Rail repair in progress

Completed lining application

SX/EW TANKHOUSES

Most solvent extraction and electrowining processes are carried out in a very aggressive and corrosive environment due to the presence of chemicals, such as alkalis, acids, and salts. Belzona magma polymers offer seamless coatings that protect tankhouses’ walls and floors against chemical attack, assuring a long working life and minimising downtime.

Thickener with severe corrosion

Internal surface and rake protection

THICKENERS

Solid components in thickeners begin to compress as they settle on the bottom of the tank. Chemical flocculants and coagulants are used to increase the performance of the process of thickeners. The combination of these chemicals plus the solids in the slurry are very aggressive to the thickener tank and its rake mechanism. Belzona immersion barrier coatings protect against chemical attack and prolong the working life of the equipment.

Unprotected containment area

Protection against chemical spillage

CONTAINMENT AREAS

Chemical spillage is inevitable and will corrode and deteriorate containment areas, such as bunds and sumps, that could lead to potentially catastrophic consequences and environmental pollution. The versatile application of Belzona’s chemical linings, by brush or spray, can reduce both application time and downtime.

Protect mining equipment and structures from chemical attack.

Belzona products provide excellent resistance against chemical attack, providing a durable barrier against a wide range of aggressive chemicals.

Equipment in ore processing plants are under continuous contact with chemically aggressive materials. Belzona epoxy repair composites and coatings can rapidly repair and protect heavy duty machinery, providing chemical resistance against a broad range of substances and the ability to resist all concentrations of caustic solutions, 98% sulfuric acid and other acids.

Belzona products provide protection for surfaces damaged by chemical spillage or immersion as well as high adhesion to various substrates that include concrete, metals and tiles without specialist tools. The adhesion of Belzona magma polymers to concrete is stronger than the cohesive strength of concrete. Magma polymers can solidify within a few hours and achieve full chemical resistance properties in up to three days. Magma polymer coatings were first used in the 1980s. These coatings are easily and seamlessly applied at a thickness of approximately 500 microns (20 mils), protecting and eliminating the risk of corrosion in the underlying substrate.