Pyrolyzed Long Flame Coal

Much lower radon release

After high-temperature pyrolysis, pore and fissure structures evolve, significantly reducing radon exhalation rate and offering a new way to mitigate radioactive pollution in mining areas.

Xin, Hu · Sun, Qiang · Shi, Qingmin · Wang, Nianqin · Geng, Jishi · Xue, Shengze

Science of the Total Environment 2023

Advantages

Radon release rate decreases more significantly under aerobic conditions

Specific surface area, pore volume, and fracture ratio all increase substantially