Silicic Acid Production Cost Reports

The report provides a detailed analysis essential for establishing a silicic acid production plant. It encompasses all critical aspects necessary for silicic acid production, including the cost of silicic acid production, silicic acid plant cost, silicic acid production costs, and the overall silicic acid production plant cost. Additionally, the study covers specific expenditures associated with setting up and operating a silicic acid production plant. These encompass production processes, raw material requirements, utility requirements, infrastructure needs, machinery and technology requirements, manpower requirements, packaging requirements, transportation requirements, and more.

Silicic acid is a hydrated form of silicon dioxide (SiO2), mainly utilised as a precursor to precipitated silica and silica gels. It functions as a reinforcing filler in rubber products like tyres, footwear soles, and conveyor belts to improve tensile strength, abrasion resistance, and ageing properties. In the water treatment sector, it acts as a coagulant aid to enhance the removal of impurities, turbidity, and suspended solids from wastewater and drinking water supplies. The compound is also used in pharmaceuticals as an excipient and glidant to boost tablet flowability, stability, and bioavailability. Additionally, in catalysis, it supports reactions such as esterification and dehydration and contributes to zeolite synthesis for petrochemical processes. Moreover, it finds applications in glass and ceramics production for thermal stability in speciality optics and in electronics for insulating layers in semiconductors. It is also utilised in desiccants for moisture control in packaging, oilfield drilling fluids for borehole stabilisation, environmental remediation of heavy metals, and chromatography columns for purification.

Silicic acid’s market growth is propelled by rising demand across sectors like chemicals, water treatment, pharmaceuticals, rubber production, and agriculture, as a precursor for precipitated silica, desiccants, adsorbents, and coagulants. The rapid industrialisation and urbanisation, mainly in the Asia Pacific, led by China and India, drive substantial consumption due to expanding chemical, pharmaceutical, and construction industries, with the region holding the largest market share. Additional drivers include technological advancements in production processes for high-purity and sustainable variants, rising emphasis on eco-friendly applications in sustainable agriculture and environmental remediation. The increasing adoption in electronics, personal care, and oil & gas sectors amid global pushes for green materials boosts the market growth. Industrial silicic acid procurement is influenced by raw material availability and pricing, as shortages of high-grade silicon feedstock, especially in North America, affect supply stability and costs, prompting multi-sourcing strategies from regions outside China.

Raw Material for Silicic Acid Production

According to the silicic acid production plant project report, the various raw materials for silicic acid production include potassium metasilicate and potassium hydrogen sulfate.

Production Process of Silicic Acid

The extensive silicic acid production cost report consists of the following major industrial production process:

1. Production via chemical synthesis: The production process of silicic acid starts by reacting dry potassium metasilicate and potassium hydrogen sulfate (KHSO4) at ambient pressure. The mixing and agitation lead to an exothermic chemical reaction, evolving oxygen gas within 1-3 minutes, generating considerable heat, and completing within 1-2 hours to yield white granules of silicic acid compound along with potassium sulfate byproduct. The mixture is washed with water and filtered to remove soluble K2SO4 salt, followed by air-drying the retained silicic acid at 25-75 degree Celsius to produce the final amorphous product suitable for industrial uses like precipitated silica precursors.

Properties of Silicic Acid

Silicic acid (H4SiO4 or Si(OH)4), a weak and unstable tetrahedral compound with a molecular weight of 96.113 g/mol, exists as an amorphous white, odourless colloid or gel (SiO2·nH2O). It is insoluble in water beyond 100-150 ppm SiO2 at neutral pH, with a density of 2.0-2.2 g/cm³ and no fixed melting point due to decomposition into silica and water. It acts as a very weak acid (pKa ≈9.8) with limited dissociation (Si(OH)₄ = Si(OH)₃O^-+H⁺), and undergoes condensation polymerisation above solubility limits to form Si-O-Si networks and silica gels. It reacts with metal hydroxides to produce silicates, forms esters with alcohols, and remains stable under neutral conditions but hydrolyses in strong acids or bases, featuring strong Si-O bonds, 8 hydrogen bond sites, and a complexity index of 19.1.