Magnetic Biofilm Carriers: The Use of Novel Magnetic Foam Glass Particles in Anaerobic Digestion of Sugar Beet Silage

Table 1

Specification of the magnetic foam glass particles.

Parameter	Value	Analytical system
Particle diameter range (mm)	0.1–0.3	Mastersizer 2000 and Scirocco 2000 (Malvern Instruments, Worcestershire, UK)
Mean pore diameter (nm)	72.37	Pascal 440 (Thermo Electron Corporation, Waltham, USA)
Total porosity (—)	0.57
Bulk density (kg m^−3)	0.88 × 10^3
Apparent density (kg m^−3)	2.05 × 10^3
Total cumulative volume (m^3 kg^−1)	6.50 × 10^−4
Total specific surface area (m^2 kg^−1)	3.51 × 10^4
BET surface area (m^2 kg^−1)	9.64 × 10^2	ASAP 2020 (Micromeritics, Aachen, Germany)
Magnetic volume susceptibility (—)	5.25 × 10^−3	FMA 5000 (FORGENTA, Berlin, Germany)
Zeta potential (mV) in 1 mM TRIS-buffer solution	−60.3	Zetasizer 3000 HSA (Malvern Instruments, Worcestershire, UK)