Premarathna KSD, Rajapaksha AU, Sarkar B, Kwon EE, Bhatnagar A, Sik Ok Y, Vithanage M. Biochar-based engineered composites for sorptive decontamination of water: A review. Chemical Engineering Journal. 2019;372:536–550.

Premarathna KSD, Rajapaksha AU, Adassoriya N, Sarkar B, Sirimuthu NMS, Cooray A, Sik Ok Y, Vithanage M. Clay-biochar composites for sorptive removal of tetracycline antibiotic in aqueous media. Journal of environmental management. 2019;238:315–322.

Rajapaksha AU, Sik Ok Y, El-Naggar A, Kim H, Song F, Kang S, Tsang YF. Dissolved organic matter characterization of biochars produced from different feedstock materials. Journal of environmental management. 2019;233:393–399.

Gunarathne V, Rajapaksha AU, Vithanage M, Adassooriya N, Cooray A, Liyanage S, Athapattu B, Rajakaruna N, Igalavithana AD, Hou D, et al. Heavy metal dissolution mechanisms from electrical industrial sludge. Science of the Total Environment. 2019;696:133922.

Ashiq A, Adassooriya NM, Sarkar B, Rajapaksha AU, Sik Ok Y, Vithanage M. Municipal solid waste biochar-bentonite composite for the removal of antibiotic ciprofloxacin from aqueous media. Journal of environmental management. 2019;236:428–435.

Ashiq A, Sarkar B, Adassooriya N, Walpita J, Rajapaksha AU, Sik Ok Y, Vithanage M. Sorption process of municipal solid waste biochar-montmorillonite composite for ciprofloxacin removal in aqueous media. Chemosphere. 2019;236:124384.

Rajapaksha AU, Premarathna KSD, Gunarathne V, Ahmed A, Vithanage M. Sorptive removal of pharmaceutical and personal care products from water and wastewater. In: Pharmaceuticals and Personal Care Products: Waste Management and Treatment Technology. Butterworth-Heinemann; 2019. pp. 213–238.

Dugdug AA, Chang SX, Sik Ok Y, Rajapaksha AU, Anyia A. Phosphorus sorption capacity of biochars varies with biochar type and salinity level. Environmental Science and Pollution Research. 2018:1–14.

Rajapaksha AU, Alam MS, Chen N, Alessi DS, Igalavithana AD, Tsang DCW, Sik Ok Y. Removal of hexavalent chromium in aqueous solutions using biochar: Chemical and spectroscopic investigations. Science of The Total Environment. 2018;625:1567–1573.

Fernando GWAR, Liyanage PLCL, Rajapaksha AU, Vithanage M. Medical geology of endemic goiter in Kalutara, Sri Lanka; distribution and possible causes. Environmental geochemistry and health. 2017;39:1501–1511.

Vithanage M, Herath I, Almaroai YA, Rajapaksha AU, Huang L, Sung J-K, Lee SS, Sik Ok Y. Effects of carbon nanotube and biochar on bioavailability of Pb, Cu and Sb in multi-metal contaminated soil. Environmental Geochemistry and Health. 2017:1–12.

Yang HI, Lou K, Rajapaksha AU, Sik Ok Y, Anyia AO, Chang SX. Adsorption of ammonium in aqueous solutions by pine sawdust and wheat straw biochars. Environmental Science and Pollution Research. 2017:1–10.

Sethupathi S, Zhang M, Rajapaksha AU, Lee SR, Mohamad Nor N, Mohamed AR, Al-Wabel M, Lee SS, Sik Ok Y. Biochars as Potential Adsorbers of CH4, CO2 and H2S. Sustainability. 2017;9:121.

Rajapaksha AU, Chen SS, Tsang DCW, Zhang M, Vithanage M, Mandal S, Gao B, Bolan NS, Sik Ok Y. Engineered/designer biochar for contaminant removal/immobilization from soil and water: potential and implication of biochar modification. Chemosphere. 2016;148:276–291.

Vithanage M, Rajapaksha AU, Ahmad M, Shinogi Y, Kim KH, Kim G, Sik Ok Y. Biochar for waste management and environmental sustainability. In: Sustainable Solid Waste Management. ; 2016. pp. 273–291.

Vithanage M, Rajapaksha AU, Dou X, Sik Ok Y. Potential of Biochar and Synthetic Iron Oxides for Chromium Immobilization in Tannery Waste Polluted Soil. 土壤及地下水污染整治. 2016;3:45–58.

Lou K, Rajapaksha AU, Sik Ok Y, Chang SX. Pyrolysis temperature and steam activation effects on sorption of phosphate on pine sawdust biochars in aqueous solutions. Chemical Speciation & Bioavailability. 2016;28:42–50.

Lou K, Rajapaksha AU, Sik Ok Y, Chang SX. Sorption of copper (II) from synthetic oil sands process-affected water (OSPW) by pine sawdust biochars: effects of pyrolysis temperature and steam activation. Journal of soils and sediments. 2016;16:2081–2089.

Rajapaksha AU, Vithanage M, Lee SS, Seo D-C, Tsang DCW, Sik Ok Y. Steam activation of biochars facilitates kinetics and pH-resilience of sulfamethazine sorption. Journal of soils and sediments. 2016;16:889–895.

Liu C, Wang H, Tang X, Guan Z, Reid BJ, Rajapaksha AU, Sik Ok Y, Sun H. Biochar increased water holding capacity but accelerated organic carbon leaching from a sloping farmland soil in China. Environmental Science and Pollution Research. 2016;23:995–1006.