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Economic assessment of a 40,000 t/y mixed plastic waste pyrolysis plant using direct heat treatment with molten metal: A case study of a plant located in Belgium
Waste Management ( IF 8.1 ) Pub Date : 2020-11-13 , DOI: 10.1016/j.wasman.2020.10.039
Frank Riedewald , Yunus Patel , Edward Wilson , Silvia Santos , Maria Sousa-Gallagher

Pyrolysis has been identified as an ideal process to recycle mixed plastic waste (MPW). This study investigates the economics of a 40,000 t/y MPW pyrolysis process, called PlastPyro, located in Belgium, to an accuracy of ±15% i.e. “Definite Estimate”. The process uses molten metal in a direct heat treatment process to pyrolyse the waste. An internal rate of return (IRR) of 20% strongly indicates that a 40,000 t/y PlastPyro plant is financially attractive for private investors. The capital expenditure (CAPEX) is estimated to be €20.1 m or €26.1 m if the cost of capital is included. The operating expenditures (OPEX) of the plant are estimated €3.4 m per year. The sensitivity analysis shows six main variables having major impacts on the financial returns of a PlastPyro plant: (1) the addressable volume and quality of plastic waste, (2) the feedstock costs, (3) the capital and operating expenditures, (4) the revenues from the sale of the produced pyrolysis oil (P-oil), (5) the tipping fees and (6) the potential to co-locate a PlastPyro plant with a waste plastic sorting facility. For example, the 15-year low P-oil revenue price of €210/t results in an IRR of 20%; but on the 6th of March 2020 the P-oil price may have achieved €227/t, resulting in an IRR of 37%. The paper also shows that a reliable supply of MPW is available, and that reliable, accessible markets for the P-oil are available. Finally, cost estimates should state their accuracy and usually factorial cost estimates are not accurate enough to state the IRR.



中文翻译:

使用熔融金属直接热处理的4万吨/年混合塑料废品热解厂的经济评估:以比利时一家工厂为例

热解被认为是回收混合塑料废料(MPW)的理想方法。这项研究调查了位于比利时的40,000吨/年MPW热解工艺(称为PlastPyro)的经济性,其准确性为±15%,即“确定的估计”。该过程在直接热处理过程中使用熔融金属来热解废物。内部收益率(IRR)为20%强烈表明,年产能40,000吨的PlastPyro工厂在财务上对私人投资者具有吸引力。资本支出(CAPEX)估计为2010万欧元,如果包括资本成本,则为2610万欧元。该工厂的运营支出(OPEX)估计为每年340万欧元。敏感性分析显示六个主要变量对PlastPyro工厂的财务收益有重大影响:(1)可处理的塑料废物量和质量,(2)原料成本,(3)资本和运营支出,(4)所生产的热解油(P-oil)的销售收入,(5)倾卸费,以及(6)使用废塑料分类设备定位PlastPyro工厂。例如,过去15年的低P油收入价格为€210 / t,IRR为20%;但在2020年3月6日,P型油价可能达到227欧元/吨,IRR为37%。该文件还表明,可以提供可靠的MPW供应,并且可以提供P油的可靠且可进入的市场。最后,成本估算应说明其准确性,通常析因成本估算的准确性不足以说明IRR。(5)小费,以及(6)将PlastPyro工厂与废塑料分类设施共置一处的潜力。例如,过去15年的低P油收入价格为€210 / t,IRR为20%;但在2020年3月6日,P型油价可能达到227欧元/吨,IRR为37%。该文件还表明,可以提供可靠的MPW供应,并且可以提供P油的可靠且可进入的市场。最后,成本估算应说明其准确性,通常析因成本估算的准确性不足以说明IRR。(5)小费,以及(6)将PlastPyro工厂与废塑料分类设施共置一处的潜力。例如,过去15年的低P油收入价格为210欧元/吨,导致内部收益率达到20%;但在2020年3月6日,P型油价可能达到227欧元/吨,IRR为37%。该文件还表明,可以提供可靠的MPW供应,并且可以提供P油的可靠且可进入的市场。最后,成本估算应说明其准确性,通常析因成本估算的准确性不足以说明IRR。该文件还表明,可以提供可靠的MPW供应,并且可以提供P油的可靠且可进入的市场。最后,成本估算应说明其准确性,通常析因成本估算的准确性不足以说明IRR。该文件还表明,可以提供可靠的MPW供应,并且可以提供P油的可靠且可进入的市场。最后,成本估算应说明其准确性,通常析因成本估算的准确性不足以说明IRR。

更新日期:2020-11-13
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