Functional Group Distribution of the Carrier Surface Influences Adhesion of Methanothermobacter thermautotrophicus

Table 1

Water contact angle of carbon felts after chemical surface treatment.

	Contact angle (degree)^a
Distilled water
NaOH
KOH
HCl
HNO3
H2SO4
Na2SO4
Na2HPO4

^aThe values are (). Indicates treatment effect is significant () according to the -test.