| Removal of basic and reactive dyes using ethylenediamine modified rice hull ST Ong, CK Lee, Z Zainal Bioresource technology 98 (15), 2792-2799, 2007 | 341 | 2007 |
| Dye waste treatment ST Ong, PS Keng, WN Lee, ST Ha, YT Hung Water 3 (1), 157-176, 2011 | 168 | 2011 |
| Removal of hazardous heavy metals from aqueous environment by low-cost adsorption materials PS Keng, SL Lee, ST Ha, YT Hung, ST Ong Environmental chemistry letters 12 (1), 15-25, 2014 | 145 | 2014 |
| Equilibrium, kinetic and thermodynamic studies of a new potential biosorbent for the removal of Basic Blue 3 and Congo Red dyes: Pineapple (Ananas comosus) plant stem SL Chan, YP Tan, AH Abdullah, ST Ong Journal of the Taiwan Institute of Chemical Engineers 61, 306-315, 2016 | 130 | 2016 |
| The removal of basic and reactive dyes using quartenised sugar cane bagasse SY Wong, YP Tan, AH Abdullah, ST Ong Journal of Physical Science 20 (1), 59-74, 2009 | 69 | 2009 |
| Equilibrium studies for the removal of basic dye by sunflower seed husk (Helianthus annuus) ST Ong, PS Keng, SL Lee, MH Leong, YT Hung International Journal of the Physical Sciences 5 (8), 1270, 2010 | 61 | 2010 |
| Equilibrium studies and kinetics mechanism for the removal of basic and reactive dyes in both single and binary systems using EDTA modified rice husk ST Ong, WN Lee, PS Keng, SL Lee, YT Hung, ST Ha International Journal of Physical Sciences 5 (5), 582-595, 2010 | 55 | 2010 |
| Photocatalytic degradation of photosensitizing and non-photosensitizing dyes over chromium doped titania photocatalysts under visible light PW Koh, MHM Hatta, ST Ong, L Yuliati, SL Lee Journal of Photochemistry and Photobiology A: Chemistry 332, 215-223, 2017 | 47 | 2017 |
| Equilibrium studies for Basic blue 3 adsorption onto durian peel (Durio zibethinus Murray) ST Ong, SY Tan, EC Khoo, SL Lee, ST Ha Desalination and Water Treatment 45 (1-3), 161-169, 2012 | 47 | 2012 |
| Equilibrium and continuous flow studies on the sorption of Congo Red using ethylenediamine modified rice hulls ST Ong, EH Tay, ST Ha, WN Lee, PS Keng International Journal of Physical Sciences 4 (11), 683-690, 2009 | 45 | 2009 |
| Papaya (Carica papaya) seed as a low-cost sorbent for zinc removal ST Ong, SP Yip, PS Keng, SL Lee, YT Hung African Journal of Agricultural Research 7 (5), 810, 2012 | 35 | 2012 |
| Oxalic acid modified rice hull as a sorbent for methylene blue removal SM Lee, ST Ong APCBEE Procedia 9, 165-169, 2014 | 30 | 2014 |
| Experimental design approach for methylene blue dye removal in aqueous environment by nitrilotriacetic modified banana pith L Shi-Ling, L Shu-Wei, O Siew-Teng Acta Chimica Slovenica 53 (1), 144-153, 2016 | 28* | 2016 |
| Utilization of sugarcane bagasse for removal of basic dyes from aqueous environment in single and binary systems ST Ong, EC Khoo, SL Hii, ST Ha Desalination and Water Treatment 20 (1-3), 86-95, 2010 | 28 | 2010 |
| Photodegradation of commercial dye, methylene blue using immobilized TiO2 ST Ong, WS Cheong, YT Hung 4th International conference on chemical, biological and environmental …, 2012 | 26 | 2012 |
| Basic and reactive dyes sorption enhancement of rice hull through chemical modification. ST Ong, PS Keng, CK Lee American Journal of Applied Sciences 7 (4), 447-452, 2010 | 25 | 2010 |
| Removal of reactive black 5 from aqueous solution using chitosan beads: optimization by Plackett–Burman design and response surface analysis ST Ong, CK Seou Desalination and Water Treatment 52 (40-42), 7673-7684, 2014 | 23 | 2014 |
| Tartaric acid modified rice hull as a sorbent for methylene blue removal. ST Ong, PS Keng, AW Chong, SL Lee, YT Hung American Journal of Environmental Sciences 6 (3), 244-248, 2010 | 23 | 2010 |
| Cheap materials to clean heavy metal polluted waters PS Keng, SL Lee, ST Ha, YT Hung, ST Ong Green Materials for Energy, Products and Depollution, 335-414, 2013 | 22 | 2013 |
| Utilization of Mango Leaf as A Low-Cost Adsorbent for The Removal of Cu (II) Ions from Aqueous Solution OP Sheen, ST Ong, YT Hung Asian Journal of Chemistry 25 (11), 6141, 2013 | 20* | 2013 |
