Organic Waste Recycling

Characteristics of organic wastes 35

Figure 2.3 Second-grade tapioca processing (Thanh 1984)

Resuspension

2 nd Sedimentation

Decanting

Starch surface washing

Roots

Root washer and

peeling

Root rasp

Cylindrical sieving

Dewatering

drying

1 st Batch sedimentation

Decanting

Starch surface washing

Sedimentation

decantation

Drying on heated

concrete slab

Packaging

Dry sand removal

Surface
wash water

Animal food

Supernatant B

Pulp

Water

Root wash, Wastewater A

Spray water

Mixing
water

Supernatant

Combined

wastewater

Fertilizer

Surface
wash water

Surface

water

Wastewater C

Wastewater D