Taking Shanghai’s incineration ash out of the ground
Fly ash resource recovery turns the most difficult residue a waste-to-energy plant produces into salt. Seven sites across Shanghai, aimed at near-zero landfilling of the city’s incineration fly ash.
Fly ash resource recovery projects
Why incineration fly ash is treated as hazardous waste, what landfilling it costs a city the size of Shanghai, and how JINGYU came to be building seven recovery sites at once.
Written in the company's own voice: what was done, when, and what was learned. Not a technology description, which belongs on the solution pages.
What fly ash recovery demands
To be supplied — one sentence, the single most important lesson from this sector.
To be supplied — around 80 to 120 words setting up the three points below. What makes fly ash harder than a liquid waste stream, and why the salt has to reach product grade rather than merely leaving the site.
To be supplied — the conclusion, around 50 words. What a client should take away from this record.
Inside the plants
Photographs from delivered projects. Replace each placeholder with an uploaded image and its caption.
The programme
Seven sites delivered under one programme.
Shanghai Waste-to-Energy Fly Ash Recovery
Shanghai
- Scale
- 800 t/d, 400 t/d, 300 t/d ×3, 150 t/d ×2, across seven sites
- Recovered
- NaCl 200 t/d @ ≥98.5% · KCl 60 t/d @ ≥93% · condensate below 1,000 mg/L
- Timeline
- Started 2026
Aimed at near-zero landfilling of Shanghai's incineration fly ash, freeing land for the city's future development.
Leachate from the same waste-to-energy plants is covered on our landfill leachate projects page. The full record across every sector is on the projects page.
Frequently asked questions
Why is fly ash treated as hazardous waste?
Because it concentrates the heavy metals and soluble chlorides that leave the combustion process. Landfilling it consumes land and leaves a long-term liability, which is what this programme is designed to avoid.
What is recovered from fly ash?
Sodium chloride at 200 t/d and 98.5% purity or better, and potassium chloride at 60 t/d and 93% or better. The evaporator condensate is returned to reuse at below 1,000 mg/L.
How many sites are involved?
Seven, with capacities of 800 t/d, 400 t/d, three at 300 t/d and two at 150 t/d, together handling 2,750 t/d of fly ash.
What is the status of this programme?
Under construction, with works starting in 2026. The status shown on the project card is kept current.
Why does the salt have to reach product grade?
Because a salt that cannot be sold is simply hazardous waste in another form. Reaching a specification is what turns the programme from disposal into recovery.
Is a full case study available?
Yes, covering ash characteristics, process configuration and expected outputs, subject to the client's confidentiality terms.
Ask about one of these projects
Start here
Tell us which project looks closest to your situation, or send your own analysis. We will come back with the reference that actually matches.
Useful to include
- Fly ash quantity and its source plants
- Chloride, sodium and potassium content
- Heavy metals present
- Current disposal route and its cost
- Available land at or near the incineration plant
Contact us directly
- info@jing-yu.com
- Phone
- +86 21 6593 0816
- Office hours
- Monday to Friday, 9:00 to 18:00 Shanghai time (GMT+8)