Enhanced Viscosity of Aqueous Palygorskite Suspensions through Physical and Chemical Processing

Table 2

The effect of pressing on the rheological parameters of palygorskite suspension.

Samples of palygorskite	Rheological parameters
	(dia)	(dia)	AV; (mPa·s)	PV; (mPa·s)	YP; (Pa)	YP/PV; (Pa/mPa·s)
Unpressing	39	35	19.5	4.0	15.84	3.96
Unpressing with 1% MgO	59	44	29.5	15.0	14.82	2.00
Pressing without MgO	48	41	24.0	7.0	17.37	2.48
Pressing with 1% MgO	85	75	42.5	10.0	33.22	3.32