Study on Treatment of Salicylhydroxamic Acid Wastewater from Tungsten Molybdenum Mineral Processing

Table 1

The water quality of simulated flotation wastewater and standard concentration limits.

Items	pH	BOD5 (mg/L)	CODcr (mg/L)	NH3–N (mg/L)	TP (mg/L)
Simulated wastewater	9.5∼10	60∼70	300∼350	8.5∼9	<0.01
Discharge standard	6∼9	30	100	15	0.5
Reuse standard	6.5∼8.5	10	60	10	1