Characterization of Waste from the Production of Titanium Dioxide (UOW) for Reuse in Other Processes

Q4 Environmental Science

Journal of Solid Waste Technology and Management Pub Date : 2021-08-01 DOI:10.5276/jswtm/2021.590

J. A. Neto, N. S. A. Júnior, V. S. Santos, B. B. Mariani, Diana Dayse Mariano de Albuquerque, D. V. Ribeiro

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引用次数: 0

Abstract

The reuse of waste generated in several industrial processes through the development of new materials for civil construction has been shown to be a viable alternative to meet environmental issues. New products can be developed that satisfy the expected performance and durability requirements while including this material. The main starting point for the development of projects that seek the safe use of these wastes is an extensive characterization. Unreacted Ore Waste (UOW), a waste generated during the production of titanium dioxide (TiO2), was characterized in terms of its physical, chemical, mineralogical, environmental, and radiological, as well as thermal properties. There is currently no effective reuse plan for UOW and it is disposed of in industrial landfills. From the characterization, possible routes for using UOW are identified, such as its addition to mortars with photocatalytic potential, and its use as a raw material in the production of Portland cement and ceramic materials.

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二氧化钛(UOW)生产废弃物的特性及其在其他工艺中的再利用

通过开发民用建筑的新材料，对几个工业过程中产生的废物进行再利用，已被证明是解决环境问题的可行替代方案。可以开发出满足预期性能和耐用性要求的新产品，同时包括这种材料。制定寻求安全利用这些废物的项目的主要出发点是进行广泛的定性。未反应矿石废料（UOW）是一种在二氧化钛（TiO2）生产过程中产生的废料，其物理、化学、矿物学、环境、放射性以及热特性都有其特征。UOW目前没有有效的再利用计划，而是在工业垃圾填埋场进行处理。从表征中，确定了使用UOW的可能途径，例如将其添加到具有光催化潜力的砂浆中，以及将其用作硅酸盐水泥和陶瓷材料生产的原材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Solid Waste Technology and Management Environmental Science-Waste Management and Disposal

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Journal of Solid Waste Technology and Management is an international peer-reviewed journal covering landfill, recycling, waste-to-energy, waste reduction, policy and economics, composting, waste collection and transfer, municipal waste, industrial waste, residual waste and other waste management and technology subjects. The Journal is published quarterly (February, May, August, November) by the Widener University School of Engineering. It is supported by a distinguished international editorial board.