Characterization of Oily and Non-Oily Natural Sediments in Palm Oil Mill Effluent

Figure 6

Images of non-oily POME sediments at different sieve opening sizes.

(a) 𝑑_NO< 38 μm

(b) 𝑑_NO > 38 μm

(c) 𝑑_NO > 45 μm

(d) 𝑑_NO > 63 μm

(e) 𝑑_NO > 125 μm

(f) 𝑑_NO > 250 μm

(g) 𝑑_NO > 500 μm

(h) 𝑑_NO > 800 μm

(i) 𝑑_NO > 1000 μm