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硫酸根自由基：强化污泥脱水新利器

赖月, 王超, 张洁, 周顺桂, 刘昌庚, 叶捷

化学进展, 2024, 36(5): 798-814. DOI: 10.7536/PC230707

Catalyst	Chemical	Assisted activation method	Solid content	Dosage	Sludge type	CST（s）	CST reduction（%）	Ref
Fe²⁺	PMS	/	TSS = 12.3 g/L	Fe²⁺ = 0.81 mmol/g VSS PMS = 0.9 mmol/g VSS	WAS	201.8	90	87
		/	TSS = 20.4 g/L	Fe²⁺ = 0.81 mmol/g VSS PMS = 0.9 mmol/g VSS	WAS	49.1	45.67	86
		Chelator	TS = 25.6 g/L	Fe²⁺ = 0.6 mmol/g VS PMS = 0.9 mmol/g VS Chelator = 0.3 mmol/g VS	ADS	130.8	88.3	107
		Chelator	TSS = 51.62 g/L	Fe²⁺ = 1.2 mmol/g VSS PMS = 1.0 mmol/g VSS Chelator = 0.4 mmol/g VSS	ADS	599.9	60	106
	PDS	/	TSS = 11.9 g/L	Fe²⁺ = 1.5 mmol/g VSS PDS = 1.2 mmol/g VSS	WAS	502.4	86.4	97
		/	TS = 26.2 g/L	Fe²⁺ = 2.0 mmol/g VS PDS = 1.6 mmol/g VS	WAS	681.0	88.0	96
		/	TSS = 20.7 g/L	Fe²⁺ = 1.5 mmol/g VSS PDS = 1.2 mmol/g VSS	WAS	573.4	94.2	94
		Chelator	TS = 20.14 g/L	Fe²⁺ = 0.6 mmol/g TS PDS = 0.4 mmol/g TS Chelator = 0.15 mmol/g TS	WAS	836.6	96.4	109
		Chelator	TS = 19.9 g/L	Fe²⁺ = 0.3 mmol/g TS PDS = 0.6 mmol/g TS Chelator = 0.15 mmol/g TS	WAS	720.4	61.5	83
		Skeleton	TSS = 35 g/L	Fe²⁺ = 23.5 mg/g DS PDS = 100 mg/g DS Skeleton = 300 mg/g DS	WAS	182	84.6	111
	SF	/	VSS/TSS = 51.88%	Fe²⁺ = 1.79 mmol/L TSS SF = 1.43 mmol/L TSS	WAS	139.7	68.9	45
ZVI	PMS	/	TSS = 23.4 g/L	ZVI = 0.25 g/g TSS PMS = 0.1 g/g TSS	WAS	48.6	~50	88
	PDS	/	TS = 28.5 g/L	ZVI = 2 g/g TS PDS = 0.5 g/g TS	ADS	174.7	90	92
		/	TS = 7.9 g/L	ZVI = 15 g/L PDS = 4 g/L	WAS	20.5	50.2	84
		/	TSS = 15.2 g/L	ZVI = 2 g/g TSS PDS = 0.5 g/g TSS	ADS	144.6	42.6	89
		/	TS = 26.1 g/L	ZVI = 0.05 g/g TS PDS = 0.1 g/g TS	ADS	119.1	~80	98
		Chelator	TSS = 56.37 g/L	ZVI = 0.5 mmol/g TSS PDS = 0.5 mmol/g TSS Chelator = 0.05 mmol/g TSS	WAS	254.9	51.7	108
	SF	/	TS = 23.6 g/L	ZVI = 0.9 mmol/g VS SF = 1.2 mmol/g VS	ADS	120.9	81.7	55

表2 不同铁活化剂对污泥脱水性能改善的影响

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