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An Assessment of Tarong Bottom Ash for Use on Agricultural Soils

机译：在农业土壤上使用的塔龙底渣评估

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摘要

Coal combustion by-products (CCBs), including fly ash and bottom ash, present a waste disposal problem in Australia due to a continuing demand for coal-fired power. Pozzolanic Enterprises handle ash produced by the Tarong Energy coal-fired power station in South West Queensland, which produces approximately 1,200,000 tonnes per annum of CCB's. This comprises roughly 1,100,000 tonnes of fly ash and 100,000 tonnes of furnace bottom ash. The volume and unique properties of the Tarong bottom ash present a significant opportunity for agronomic use. Of particular interest is the ability of Tarong bottom ash to markedly improve the water-holding capacity of soils. Given that Australia's rural environment is currently enduring a 'one-in-one-hundred-year' drought a study of the ability of Tarong bottom ash to improve water holding capacity is timely. This paper details physical and chemical properties relevant to agronomic use, and water-holding capacity of ash/soil blends, along with experiences in its field use in crop production.
机译：由于对燃煤动力的持续需求，包括粉煤灰和底灰在内的燃煤副产品（CCB）在澳大利亚带来了废物处理问题。 Pozzolanic Enterprises处理由昆士兰西南部的Tarong Energy燃煤电厂产生的灰渣，该渣浆每年生产约120万吨的CCB。其中包括约110万吨的粉煤灰和100,000吨的炉底灰。塔龙底灰的体积和独特性能为农业应用提供了重要机会。特别关注的是塔荣底灰显着提高土壤保水能力的能力。鉴于澳大利亚的农村环境目前正遭受“一百年一遇”的干旱，因此对塔龙底渣提高持水能力的能力进行及时研究。本文详细介绍了与农业用途有关的物理和化学性质，以及灰分/土壤掺混物的持水能力，以及其在农作物生产中的现场使用经验。

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