Method and system for detecting re-release of heavy metals in seawater desulfurization wastewater

The invention provides a method and a system for detecting re-release of heavy metals in seawater desulfurization wastewater. The system mainly comprises three parts: an air supply part, an aerated seawater reaction part and an online measurement part, the gas supply part comprises a gas bottle, a mass flow meter and a gas buffer bottle which are connected in sequence; the aeration seawater reaction part comprises a constant-temperature heating magnetic stirrer, an aeration reactor, a thermocouple, a snakelike condensation pipe and a drying pipe which are connected in sequence; and the on-line measurement part comprises a VM-3000 mercury on-line analyzer which is connected in sequence. 本发明提供一种海水脱硫废水中重金属再释放检测方法与系统，主要包括三个部分：供气部分、曝气海水反应部分和在线测量部分；所述供气部分，包括依次连接的气瓶、质量流量计和气体缓冲瓶；所述曝气海水反应部分，包括依次连接的恒温加热磁力搅拌器、曝气反应器、热电偶、蛇形冷凝管和干燥管；所述在线测量部分，包括依次连接的VM-3000汞在线分析仪。