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首页> 外文期刊>Fuel >On the utilization of waste vegetable oils (WVO) as agglomerants to recover coal from coal fines cleaning wastes (CFCW)
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On the utilization of waste vegetable oils (WVO) as agglomerants to recover coal from coal fines cleaning wastes (CFCW)

机译：关于利用废植物油（WVO）作为团聚剂从煤粉清洁废物（CFCW）中回收煤炭

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摘要

Coal fines cleaning wastes (CFCW) from two different Spanish coal cleaning plants were agglomerated with waste vegetable oils (WVO) of household origin over a wide range of oil concentration with the aim of recovering high-calorific value/low-ash content coal. The results were evaluated in terms of organic matter recovery (OMR) and ash rejection (AR) from CFCW. In addition to the WVO concentration, the effects of desliming the CFCW and the agglomerates separation method were also studied. In practice, ready to burn coal fines were recovered by this procedure. Moreover, both the risk of spontaneous combustion of coal dumps and the amount of coal wastes to be handled and disposed of can be reduced. Since the feasibility of recovering coal from CFCW by oil agglomeration will depend very much on the cost of oil, the suitability of the WVO to behave as coal agglomerants as well as their low cost are of significance for the commercial viability of the process.
机译：为了回收高热值/低灰分的煤炭，来自西班牙两个不同的煤炭清洁厂的煤粉清洁废物（CFCW）与来自家庭的废植物油（WVO）聚集在一起，并在很宽的油浓度范围内聚集。根据从CFCW回收的有机物（OMR）和灰分（AR）评估了结果。除WVO浓度外，还研究了CFCW的脱泥效果和附聚物分离方法。实际上，通过该程序可以回收准备燃烧的煤粉。此外，既可以减少煤堆自燃的风险，又可以减少要处理和处置的煤渣的量。由于通过油团聚从CFCW中回收煤炭的可行性将在很大程度上取决于石油的成本，因此WVO用作煤团聚体的适用性及其低成本对于该方法的商业可行性至关重要。

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