TITLE:
Domestic Wastewater Treatment: Difficulties and Reasons, and Prospective Solutions—China as an Example
AUTHORS:
Djamel Ghernaout, Noureddine Elboughdiri
KEYWORDS:
Wastewater Treatment, Wastewater Treatment Plants (WWTPs), Inorganic Suspended Solids (ISS), Volatile Suspended Solids (VSS), Anaerobic Digestion (AD)
JOURNAL NAME:
Open Access Library Journal,
Vol.7 No.2,
February
26,
2020
ABSTRACT: During the last three decades, China has attained noteworthy advances in municipal sanitation. The country has constructed a highly large infrastructure for treating wastewater, with 94.5% treatment coverage in urban areas and legally mandated nation-wide full nutrient removal applied. Nevertheless, domestic wastewater treatment plants (WWTPs) are yet defied with problems rooted in the singular sewage properties. Recently, Cao et al. [1] compared energy recovery, price of nutrient reduction and sludge formation among Chinese urban WWTPs and those in nations with longer wastewater treatment traditions, and underlined the cause-effect relationships among Chinese sewage properties—high inorganic suspended solids (ISS) loads, and low COD and C/N ratio, and municipal WWTP process performance in China. Combined design and running guidelines for domestic WWTPs are crucial in relation to the singular sewage properties in China. Cost-efficient actions and solutions are suggested by Cao et al. [1], and the likely advantages of enhancing the sustainability of urban WWTPs in China are evaluated.