Paper mill waste just solved a 40-year-old membrane problem. Why hasn't anyone thought of this before
Wentian Zhang from Sun Yat-sen University turned to alkaline lignin - a waste from paper production - and created a nanofiltration membrane that is both 3.6 times faster and 5.7 times more selective than commercial equivalents. How did waste that had been sitting in the furnace for decades solve a fundamental physical compromise?
2026-08-04
