[Emission Factors and Preliminary Emission Estimates of Air Pollutants from Ships at Berth in the Guangzhou Port].

Three large container vessels over a tonnage of 40×10 t at berth in the Guangzhou Port were selected for determination of air pollutants in exhausts from auxiliary engines to obtain fuel-based emission factors (EFs). The fuel-based EFs for vessels A, B, and C at berth were 3096, 3031, and 3028 g·kg, respectively, for CO; 61.8, 19.9, and 27.0 g·kg for NO; 8.0, 4.0, and 5.3 g·kg for CO; 31.4, 41.9, and 56.7 g·kg for SO; 2.4, 1.1, and 1.5 g·kg for PM; and 0.13, 0.09, and 0.17 g·kg for VOCs. With the basic information about ship types, arrival times, and berthing times, the emissions of NO, CO, SO, PM, and NH from a ship at berth in the Guangzhou Port in 2014 were roughly estimated to be 1231, 226, 1229, 47.6 and 0.04 t, respectively, with ships with a tonnage of 10×10-50×10 t sharing the largest burdens, followed by ships over a tonnage of 50×10 t. Estimated emission of VOCs from ships at berth in the Guangzhou Port was about 33.6 t, with vessels below a tonnage of 3×10 t contributing the most.