China uses coal power exhaust to produce low-cost fertiliser for farms

A Chinese company is turning coal plant exhaust into fertiliser using a low-cost ammonia-based capture process.

At a Ningbo pilot, the system is designed to trap about 10,000 tonnes of CO2 a year and produce around 30,000 tonnes of fertiliser.

Instead of storing carbon underground, the process converts sulphur dioxide and carbon dioxide into marketable fertiliser products.

Early studies suggest the approach could boost rice yields and reduce nutrient runoff, while making carbon capture cheaper.