Foods and Beverages

The food and beverages processing industry requires a huge amount of water. One of the main problems is the amount of waste water continuously produced in the food plants. The water is used as an ingredient, a cleaning agent, for boiling and cooling purposes, for transportation and conditioning of raw materials:

The average wastewater flow per ton of product is given in the following table:

Food processing can be divided into four main fields:

As an example, find below some wastewater issues and Lenntech pretreatments associated to a kind of food processing.

Food and beverage type	Associated wastewater pollutants	Lenntech Pretreatment
brewed beverages	BOD	Centrifugation, biological treatment
Meat and poultry	BOD	Screening, sedimentation, biological treatment
Rice	BOD , TSS	Chemical precipitation
Bakeries	BOD , FOG, detergents	Biological treatment
Soft drinks	BOD , TSS, alkalinity	Neutralization, screening, biological treatment