A Comparative Performance Evaluation of Some Novel “Green” and Traditional Antiscalants in Calcium Sulfate Scaling

Table 5

Mean hydrodynamic diameter of calcium sulfate particles dependence on time at 25°C.

Scale inhibitor	Dosage, mg·dm^−3	Mean hydrodynamic diameter (by volume), nm
		0 hours	4 hours	24 hours
None	0	150	300	500; 4000
MA-AA	0.5	500	400	400
ATMP	0.5	60; 300	200; 4000	300; 5000
PBTC	0.5	50; 400	400; 4000	60; 400; 4000