Dr Oh Kai Siang

Academic Qualification

  • Doctor of Philosophy, MONASH UNIVERSITY, Malaysia
  • Bachelor of Engineering (Hons) in Chemical Engineering, MONASH UNIVERSITY, Malaysia

Professional Qualification

  • Jurutera Siswazah (Chemical), LEMBAGA JURUTERA MALAYSIA, Malaysia

Areas of Expertise

  • Engineering Sciences, Materials Engineering And Metallurgy, Polymers
  • Material Sciences, Polymeric Materials, Bio-Polymers
  • Engineering Sciences, Environmental Engineering, Water And Wastewater Processes

Research Interest

No records found


  • Potential of using Hibiscus Sabdariffa in treating greywater (SCOPUS-Indexed), AIP Conference Proceedings - Article in Journals
  • A review of greywater recycling related issues: Challenges and future prospects in Malaysia (ISI-Indexed), Journal of Cleaner Production - Article in Journals
  • Development of Eggshell/ Chitosan Film - Article in Proceeding
  • Greywater Treatment Using Eggshell Powder - Article in Proceeding
  • Optimization of The Purification of Polyphenols from Dacryodes rostrata Seed Extract Using Secondary Stage Aqueous Two Phase System (ATPS) - Article in Proceeding
  • Prospects of hybrid rainwater-greywater decentralised system for water recycling and reuse: A review (ISI-Indexed), Journal of Cleaner Production - Article in Journals
  • Bathroom greywater recycling using polyelectrolyte-complex bilayer membrane: Advanced study of membrane structure and treatment efficiency (ISI-Indexed), Carbohydrate Polymers - Article in Journals
  • Optimizing the in-line ozone injection and delivery strategy in a multistage pilot-scale greywater treatment system: System validation and cost-benefit analysis (SCOPUS-Indexed), Journal of Environmental Chemical Engineering - Article in Journals


  • Integrated extraction and purification of anthocyanin from Dacryodes rostrata peel using aqueous two-phase extraction (ATPE),  Co-researcher2018 to 2019, Taylor's University

Awards and Stewardship

  • International Conference and Exhibitions On Inventions (PECIPTA 2017), Exhibition/Invention, Ministry of Higher Education, Bronze , 2017

Paper Presented

  • Greywater treatment using alginate/ chitosan membrane: Effect of alginate concentration on treatment performance., 9th International Conference on Fiber and Polymer Biotechnology (CONFERENCE), ORAL PRESENTER , 07/09/2016 to 09/09/2016
  • Effect of Polyethylene Glycol (PEG) Concentration on The Mechanical Properties and Filtration Performance of Chitosan Membrane for Decentralized Greywater Treatment. , 7th International Young Water Professional Conference (CONFERENCE), ORAL PRESENTER , 07/12/2014 to 11/12/2014