Start-Up Characteristics of a Granule-Based Anammox UASB Reactor Seeded with Anaerobic Granular Sludge

Figure 3

Photograph of granules of biomass (a, b, and c) and a granule (d) on day 0 (a) and day 150 (b, c, and d).

(a)

(b)

(c)

(d)