Coal Mine collapse basin was unused land,and it was natural constructed wetland model too.Fly-ash of coal as substrates used in constructed wetland systems and plant some aquatic macrophyte.
英
美
- 煤礦塌陷區是閑置土地,它也是天然人工濕地模型,以粉煤灰為基質(zhì),栽種某些水生植物即可組成人工濕地,它不僅可以很好的處理礦區污水,也可用以農作物灌溉或處理回用,同時(shí)還能實(shí)現粉煤灰的資源化利用;
