Accepted Manuscript Title: Innovative application for bauxite residue: red mud-based inorganic polymer spheres as pH regulators Authors: Rui M. Novais, Jo˜ ao Carvalheiras, Maria P. Seabra, Robert C. Pullar, Jo˜ ao A. Labrincha PII: S0304-3894(18)30487-4 DOI: https://doi.org/10.1016/j.jhazmat.2018.06.047 Reference: HAZMAT 19484 To appear in: Journal of Hazardous Materials Received date: 18-1-2018 Revised date: 18-5-2018 Accepted date: 21-6-2018 Please cite this article as: Novais RM, Carvalheiras J, Seabra MP, Pullar RC, Labrincha JA, Innovative application for bauxite residue: red mud-based inorganic polymer spheres as pH regulators, Journal of Hazardous Materials (2018), https://doi.org/10.1016/j.jhazmat.2018.06.047 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.