Release characteristics of hydrochar-derived dissolved organic matter: Effects of hydrothermal temperature and environmental conditions.

Much research has been done on the preparation and application of hydrochars, but research on the release characteristics of hydrochar-derived dissolved organic matter (HDOM) is very limited; clarifying the release characteristics of HDOM is important for understanding and adjusting the environmental behaviour of hydrochar. Herein, the potential release of HDOM from rice straw-derived hydrochars prepared at different hydrothermal temperatures was investigated under various potential environmental conditions for the first time. The total release quantity and humification degree of HDOM decreased with increasing hydrothermal temperature.

Water pollution control technology and strategy for river-lake systems: a case study in Gehu Lake and Taige Canal.

The Taoge water system is located in the upstream of Taihu Lake basin and is characterized by its multi-connected rivers and lakes. In this paper, current analyses of hydrology, hydrodynamics and water pollution of Gehu Lake and Taige Canal are presented. Several technologies are proposed for pollution prevention and control, and water environmental protection in the Taihu Lake basin.

Outline for establishment of the Taihu-Lake Basin early warning system.

The technical support system for establishment of the Taihu-Lake Basin early warning system (TBEWS) was designed based on the characteristics of water environment. It involves recognition and the dynamic environmental risk assessment, early warning, risk management, and emergency decision etc. Getting data and information on time, sharing information within different regimes, establishing the multiple coupling models for calculation, and the uncertainty analysis methods are the hardness works for establishment of TBEWS.