Consecutive material balances (overall and % total solids) around each processing unit show that out of a feed of 100 kg tomatoes (7% total solids), the following products are obtained: Tomato juice (6% total solids) 95 kg, which is concentrated in a3-effect evaporator to 17.8 kg of tomato paste (32% total solids).
Culls (tomatoes unfit for processing) 2kg, mixed with tomato waste from juice from juice finishing 2 kg to tomato waste (23.5% total solids) 4 kg.
The mixed waste is dewatered partially in a screw press to 2 kg of concentrated waste (40% total solids), which is dehydrated in a rotary air dryer to 0.87 unit is 77.2 kg, and the remaining small amount of tomato solids is lost in the liquid wastes of washing and dewatering steps