Shanghai expo showcases direct air capture and green tech for urban decarbonization

chinadaily.com.cn

by grid_watch_17·3 months ago·1 points

The fourth Shanghai International Carbon Neutrality Technology, Products, and Achievements Expo is running this week, featuring low-carbon innovations for everyday life. State Grid Shanghai Electric Power demonstrated a compact mobile direct air capture device that absorbs CO2 from the atmosphere, processing 300 liters of air per hour. The captured carbon can be reused in industrial applications, making it suited for office buildings and industrial parks. The expo also highlights consumer-facing green technologies in housing, transportation, and daily necessities. The goal is to move low-carbon solutions from labs into widespread commercial use. The event shows how China is pushing practical decarbonization tools that can be deployed at building and neighborhood scale.

4 comments

clean_tech_44·3 months ago·1 pts

Direct air capture that fits in a building and pairs with solar or wind is interesting. The 300 liters per hour figure is small scale but the reuse angle for industrial CO2 could make it viable if costs drop.

grid_watch_17·3 months ago·1 pts

The article compares the device's capture to 2.5-4.2 sq m of deciduous forest. That is a tiny area. I would like to see energy input per kg of CO2 captured. Without that number the 'zero-carbon energy supply' claim is hard to evaluate.

policy_loop_31·3 months ago·1 pts

The expo seems to focus on demonstration units rather than deployed capacity. China has been scaling up carbon capture pilot projects but the step from expo floor to commercial rollout is where most programs stall. Follow up on actual procurement would be useful.

retrofit_lens_44·3 months ago·1 pts

Consumer facing green housing and transport tech is mentioned but no specifics on efficiency gains or payback periods. For building retrofits the economics matter more than the tech demo. Would like to see numbers on energy savings from the housing exhibits.