1. Zhou, H.X., Xu, G.R., (2019) Integrated effects of temperature and COD/N on an up-flow anaerobic filter-biological aerated filter: Performance, biofilm characteristics and microbial community, Bioresource Technology, 293.
2. Zhang, Z., Xu, G.R., (2019) Pyrolysis characteristics, kinetics, and evolved gas determination of chrome-tanned sludge by thermogravimetry-Fourier-transform infrared spectroscopy and pyrolysis gas chromatography-mass spectrometry, Waste Management, 93, 130-137.
3. Shi, S., Xu, G.R., (2019) Identification of phosphorus fractions of biofilm sludge and phosphorus release, transformation and modeling in biofilm sludge treatment related to pH, Chemical Engineering Journal, 369, 694-704.
4. Yang, X., Xu, G. R., Yu, H. R., Zhang, Z., (2016) Preparation of ferric-activated sludge-based adsorbent from biological sludge for tetracycline removal, Bioresource Technology, 211, 566-573.
5. Xu, G. R., Liu, M. W., Li, G. B., (2013) Stabilization of heavy metals in lightweight aggregate made from sewage sludge and river sediment, Journal of Hazardous Materials, 260, 74-81.
6. Xu, G. R., Zou, J. L., Li, G. B., (2010) Stabilization of heavy metals in sludge ceramsite, Water Research, 44(9), 2930-2938.
7. Xu, G. R., Zou, Jinlong, Li, G. B., (2009) Stabilization/Solidification of Heavy Metals in Sludge Ceramsite and Leachability Affected by Oxide Substances, Environmental Science & Technology, 43(15), 5902-5907.
8. Xu, G. R., Zou, J. L., Li, G. B., (2009) Ceramsite obtained from water and wastewater sludge and its characteristics affected by (Fe2O3 + CaO + MgO)/(SiO2 + Al2O3), Water Research, 43(11), 2885-2893.
9. Xu, G.R., Zou, J.L., Li, G. B., (2008) Ceramsite made with water and wastewater sludge and its characteristics affected by SiO2 and Al2O3, Environmental Science & Technology, 42(19), 7417-7423.
10. Xu, G. R., Zhang, W. T., Li, G. B., (2005) Adsorbent obtained from CEPT sludge in wastewater chemically enhanced treatment, Water Research, 39(20), 5175-5185.