粉煤灰在土壤改良及修復(fù)中的應(yīng)用與展望
發(fā)布時(shí)間:2019-03-15 09:25
【摘要】:粉煤灰作為燃煤電廠排出的大量固體廢物,其處理和利用問題在全球范圍內(nèi)引起了人們的廣泛關(guān)注。粉煤灰作為一種資源在世界范圍內(nèi)已成為共識(shí),國(guó)內(nèi)外已有大量的研究表明粉煤灰在土壤改良修復(fù)方面具有巨大的應(yīng)用潛力。分析粉煤灰的組成結(jié)構(gòu)與理化特性;闡述粉煤灰改良和修復(fù)土壤的機(jī)理及其對(duì)不同類型土壤改良及修復(fù)的應(yīng)用,包括對(duì)礦區(qū)土壤、鹽堿化土壤、沙化土壤、耕地土壤等的改良及修復(fù)技術(shù);最后分析并總結(jié)了粉煤灰目前在土壤改良及修復(fù)過程中存在的主要問題,提出粉煤灰在農(nóng)業(yè)領(lǐng)域利用的新模式。
[Abstract]:As a large amount of solid waste discharged from coal-fired power plants, the treatment and utilization of fly ash has attracted wide attention all over the world. Fly ash as a resource has become a consensus in the world. There have been a large number of studies at home and abroad to show that fly ash has great application potential in the field of soil improvement and remediation. The composition structure and physical and chemical properties of fly ash were analyzed. This paper expounds the mechanism of improving and repairing soil with fly ash and its application to different types of soil, including mining area soil, salinized soil, sandy soil, cultivated soil and so on. Finally, the main problems existing in the process of soil improvement and remediation of fly ash are analyzed and summarized, and a new model of fly ash utilization in agricultural field is put forward.
【作者單位】: 內(nèi)蒙古大學(xué)環(huán)境與資源學(xué)院;大唐國(guó)際高鋁煤炭研發(fā)中心;
【基金】:內(nèi)蒙古應(yīng)用技術(shù)研究與開發(fā)資金項(xiàng)目(編號(hào):20130428) 大唐國(guó)際高鋁煤炭研發(fā)中心委托項(xiàng)目(編號(hào):201301018)
【分類號(hào)】:S156
[Abstract]:As a large amount of solid waste discharged from coal-fired power plants, the treatment and utilization of fly ash has attracted wide attention all over the world. Fly ash as a resource has become a consensus in the world. There have been a large number of studies at home and abroad to show that fly ash has great application potential in the field of soil improvement and remediation. The composition structure and physical and chemical properties of fly ash were analyzed. This paper expounds the mechanism of improving and repairing soil with fly ash and its application to different types of soil, including mining area soil, salinized soil, sandy soil, cultivated soil and so on. Finally, the main problems existing in the process of soil improvement and remediation of fly ash are analyzed and summarized, and a new model of fly ash utilization in agricultural field is put forward.
【作者單位】: 內(nèi)蒙古大學(xué)環(huán)境與資源學(xué)院;大唐國(guó)際高鋁煤炭研發(fā)中心;
【基金】:內(nèi)蒙古應(yīng)用技術(shù)研究與開發(fā)資金項(xiàng)目(編號(hào):20130428) 大唐國(guó)際高鋁煤炭研發(fā)中心委托項(xiàng)目(編號(hào):201301018)
【分類號(hào)】:S156
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