1. Chan, H., 2010. Removal and recycling of pollutants from Hong Kong restaurant                        wastewaters. Bioresource Technology 101(17): 6859-6867.

2. Chan, H., 2011. Biodegradation of petroleum oil achieved by bacteria and nematodes                 in contaminated water. Separation and Purification Technology 80: 459-466.
3. Chan, H., 2011. Recycling of nutrients from trash fish wastewater for  microalgae
      production as health and pharmaceutical products and renewable  energy.
      WebmedCentral Microbiology 2(7): WMC002027.
4. Chan, H., 2012. High performance achieved by microbes to separate  laundry 
      effluents resulting in producing high water quality in a compact  area. Separation 
      and Purification Technology 90: 101-108.
5. Chan, H., 2013. Separation of pollutants from restaurant effluents as animal feed,                       fertilizer and renewable energy to produce high water quality in a compact area.  
      Water Resources and Industry 3: 35–47.

6. Chan, H., 2018. Production of Microalgae as Sustainable, Renewable & Valuable
      Products. Lambert Academic Publishing. ISBN: 978-613-4-97583-4.
7. Chan, H., 2019. Pollutants from fish feeding recycled for microalgae 
     production as sustainable, renewable and valuable products.
     Environmental Science and Pollution Research 26(2): 1474–1486.