Puwosi (Tianjin) Technology Co., Ltd.

Puwosi (Tianjin) Technology Co., Ltd.

Phosphogypsum Innovation

2025 07/15

Guizhou Phosphorus Chemical Group has pioneered three groundbreaking industrial pathways to transform phosphogypsum—a major byproduct of phosphorus production—into high-value resources, achieving both ecological and economic gains:
  1. ​Green Building Materials​
    Phosphogypsum is processed into self-leveling mortar and modular construction materials with fireproof, low-carbon properties. These products require only 25% of the energy and emit 14% of the CO₂ compared to traditional cement, saving 190 kg of coal and reducing 500 kg of carbon emissions per ton produced.

  2. ​Sulfuric Acid & Cement Co-Production​
    The world’s largest "1468" facility annually consumes 1.4 million tons of phosphogypsum to produce 600,000 tons of sulfuric acid (now profitable amid high sulfur prices) and 800,000 tons of cement clinker. This cuts reliance on sulfur imports while slashing SO₂ and CO₂ emissions.

  3. ​Polymer Material Applications​
    Advanced anhydrite technology replaces calcium carbonate/wood in municipal pipes, packaging, and decorative materials. With 10,000-ton pilot success, annual capacity will reach 1.5 million tons by 2025, offering flame-resistant, cost-effective alternatives.

​Strategic Impact​
By synergizing four industrial chains, the group turns waste into a $1.5B+ green economy driver. Its model proves phosphorus industries can balance scale and sustainability—reducing landfill pressure while creating profitable circular systems. This sets a global benchmark for "rich-mining refined development," aligning China’s ecological goals with industrial upgrading.