The Internal Recycle Reactor Enhances Porous Calcium Silicate Hydrates to Recover Phosphorus from Aqueous Solutions

Table 3

The data of pore structure for P-CSHs-PEG2000 samples after different use times.

Samples	Pore volume/(cm^3/g)	/(m^2/g)
Before use	0.33	87.48
First time use	0.25	55.00
Second time use	0.14	35.01
Third time use	0.10	14.90
Fourth time use	0.05	3.75