水处理领域中的绿色环保阻垢剂及其研究进展

白鹏凯, 许萍

Synthesis and Modification of Green Environment-friendly Scale Inhibitors in the Field of Water Treatment: the State-of-art Technological Advances

BAI Pengkai, XU Ping

表3 典型植物提取物的阻垢性能^{[29,30,31,32,33]}

Table 3 Scale inhibition performances of plant extracts^{[29,30,31,32,33]}

Plant extract	Dosagemg/L	Reaction condition	Inhibitionrate	Ref.
Polycitric acid (PCA)	2.5	C (Ca²⁺)=C ( $S O_{4}^{2 -})$ =2040 mg/L	＞90％	[29]
Polycitric acid (PCA)	25	C (Ca²⁺)=C ( $S O_{4}^{2 -})$ =2040 mg/L	98%	[29]
Poly (citric acid) St-g-PAA (e); St:AA=1:1	40	Initiator 0.9 g; the grafting rate 97%, graft chain average 9; graft chain average length 112, C (Ca²⁺)=200 mg/L, C ( $C O_{3}^{2 -}) =$ 305 mg/L	95.79%	[30]
Extract of tobacco rob	140	Artificial seawater, 70~80 ℃	91.7%~100%	[31]
Extract of bistorta officinalis	1000	Circulating cooling water, C (Ca²⁺, Mg²⁺)=592 mg/L, 3 h, 70 ℃, pH=8.5	99.5%	[32]
Extract of Mazuj gall	1000	Circulating cooling water, C (Ca²⁺)=360 mg/L, C (Mg²⁺)=250 mg/L, 3 h, 70 ℃, pH=8.5	97.2%	[33]