Applications of gas-phase ultraviolet photocatalytic oxidation technology in indoor environmentsPalmiste, Ülar; Voll, Hendrik; Tang, Walter ZhonghongHealthy Buildings 2017 Europe : July 2-5, 2017, Lublin, Poland2017 / paper 0278, [6] p

Development of Estonian nutrient discharge standards for wastewater treatment plantsNiine, Raili; Loigu, Enn; Tang, Walter ZhonghongEstonian journal of engineering2013 / p. 152-168 : ill

Reverse osmosis and nanofiltration of biologically treated leachateKuusik, Aare; Pachel, Karin; Kuusik, Argo; Loigu, Enn; Tang, Walter ZhonghongEnvironmental technology2014 / p. 2416-2426 : ill