Screening of Fe-, Mn-, and Ni-based ores and mine residues as sustainable, environmentally friendly, and cost-effective oxygen carriers for chemical looping processes

IF 4.6 2区工程技术 Q2 ENGINEERING, CHEMICAL Powder Technology Pub Date : 2025-03-06 DOI:10.1016/j.powtec.2025.120858

Gislane Pinho de Oliveira , Iñaki Adánez-Rubio , Juan Adánez , Dulce Maria de Araújo Melo , Renata Martins Braga

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Abstract

Finding a suitable oxygen carrier that is both cost-effective and highly reactive across multiple cycles in chemical looping processes remains a challenge. Consequently, this research focuses on the assessment of Fe-, Mn-, and Ni-based ores and mine residues as low-cost and sustainable oxygen carriers. Chemical composition, crushing strength, and attrition rate were determined. Their reactivity was evaluated in a thermobalance with CH₄, H₂, and CO, followed by assessment in a batch fluidized bed reactor with the same gases. All materials exhibited good mechanical properties at the outset, except MinMnT, which lacked the required mechanical strength and was subjected to thermal treatment. MinFeC, MinFeF, and MinMnT1000 demonstrated effective oxygen transport capacity and high reactivity both in thermobalance and FBR, with no agglomeration and a lifetime ranging between 3000 and 10,500 h. Given the outstanding performance of MinMnT1000 with CO and H₂, it is considered an excellent candidate for further evaluation in iG-CLC with biomass.

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筛选铁、锰、镍基矿石和矿渣作为可持续的、环境友好的、具有成本效益的化学环工艺氧载体

寻找一种合适的氧载体，既具有成本效益，又能在化学环过程的多个循环中具有高活性，仍然是一个挑战。因此，本研究的重点是评价铁、锰和镍基矿石和矿渣作为低成本和可持续的氧载体。测定了其化学成分、破碎强度和磨损率。在与CH4、H2和CO的热平衡中评估了它们的反应性，然后在与相同气体的间歇流化床反应器中进行了评估。所有材料在开始时都表现出良好的力学性能，除了MinMnT，它缺乏所需的机械强度，并进行了热处理。MinFeC、MinFeF和MinMnT1000在热平衡和快堆中表现出有效的氧输送能力和高反应活性，无团聚，寿命在3000 ~ 10500 h之间。考虑到MinMnT1000在CO和H2中的优异性能，它被认为是在生物质中进行进一步评价的优秀候选物。

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来源期刊

Powder Technology 工程技术-工程：化工

CiteScore

9.90

自引率

15.40%

发文量

1047

审稿时长

46 days

期刊介绍： Powder Technology is an International Journal on the Science and Technology of Wet and Dry Particulate Systems. Powder Technology publishes papers on all aspects of the formation of particles and their characterisation and on the study of systems containing particulate solids. No limitation is imposed on the size of the particles, which may range from nanometre scale, as in pigments or aerosols, to that of mined or quarried materials. The following list of topics is not intended to be comprehensive, but rather to indicate typical subjects which fall within the scope of the journal's interests: Formation and synthesis of particles by precipitation and other methods. Modification of particles by agglomeration, coating, comminution and attrition. Characterisation of the size, shape, surface area, pore structure and strength of particles and agglomerates (including the origins and effects of inter particle forces). Packing, failure, flow and permeability of assemblies of particles. Particle-particle interactions and suspension rheology. Handling and processing operations such as slurry flow, fluidization, pneumatic conveying. Interactions between particles and their environment, including delivery of particulate products to the body. Applications of particle technology in production of pharmaceuticals, chemicals, foods, pigments, structural, and functional materials and in environmental and energy related matters. For materials-oriented contributions we are looking for articles revealing the effect of particle/powder characteristics (size, morphology and composition, in that order) on material performance or functionality and, ideally, comparison to any industrial standard.