Sedimentation Basin Replacement for Food Processors

Prepared food factories require tremendous amounts of water to maintain sanitary conditions. Given the high organic content of food processing waste, pretreatment is required before these flows are suitable for discharge to sewer systems or waterways. Primary clarification / sedimentation or Dissolved Air Filtration (DAF) systems are the most frequently used treatment processes. Conventional screens are typically needed before materials can enter sedimentation or DAF systems and those conventional screens require their own separate dewatering system. Sedimentation systems have a massive footprint, significant capital construction costs, and when aeration is used they require a great deal of energy.  

As a permanent fixture, clarification systems have a long lead time to build and offer little flexibility for expanding operations to meet spikes in demand. DAF systems require a constant loading and feed rate thus requiring a large equalization basin with mixing equipment to prevent settling and surge loading. In many cases, DAF systems will require expensive chemistry and always require compressors to deliver a considerable amount of air.

HeadCell and Grit King Small Footprint Alternative to Sedimentation Basins

Sedimentation systems are typically huge. For operations that just require removal of inorganic materials like dirt and sand from their sedimentation systems, Hydro International’s HeadCell® or Grit King® sedimentation concentration system can provide equivalent sedimentation / clarification as a very large sedimentation basin in a fraction of the footprint

Hydro MicroScreen Small Footprint Alternative to Primary Clarification

When your clarification system needs to remove organic solids and particulate Biological Oxygen Demand (BOD) as well as sediment, there is a better way than sedimentation! Hydro MicroScreen™ rotating belt filtration can replace primary clarification in just 1/10th the footprint and use just half the energy. The system often costs less than half of a typical clarifier installation. In most applications the Hydro MicroScreen™ has comparable or better removal than clarification / sedimentation systems for Total Suspended Solids (TSS), particulate Biological Oxygen Demand (BOD), and (depending on temperature) Fats, Oils, & Grease (FOG) and requires virtually no detention time. Outputting 2-4% Total Solids (TS) directly off the screen, the system can also be supplied with an integral dewatering section to output 30-50% TS.  

Hydro MicroScreen Footprint vs. Primary Clarifiers

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