Assessment of the current status of wastewater environment of Gieng Vuong market, Hoang Van Thu ward, Lang Son city, Lang Son province - 4
Figure 4.3. Graph showing Coliform concentration before and after treatment compared to QCVN Figure 4.3. Graph showing Nitrate concentration before and after treatment compared to QCVN 4.3.4. Wastewater treatment system of Gieng Vuong market 4.3.4.1. Domestic wastewater Domestic wastewater from 03 ...












