O All free water be removed (TS value of 12%-15%) Output solids after dewatering must have:.Output liquid after separation and dewatering must have:.Input liquid septage will be between 0% and 5% solids.

The system in the Omni-Ingestor must meet several requirements, as outlined in the “Ejected Material Guidelines D5.pdf” document.1 To summarize, the requirements are: One of the critical capabilities of the Omni-Ingestor is the ability to separate the liquid and solid components of septic holding tanks to reduce the quantity of material that must be transported away. Its intention is neither to promote, nor to discredit, any specific vendor, technology, or manufacturer. Its purpose is to explore available dewatering technologies, and analyze their applicability towards the Omni-Ingestor design. This work is being performed under a contract with the Bill and Melinda Gates Foundation’s Water, Sanitation, and Hygeine department. This report was created as part of the development effort for the Omni-Ingestor: a modular equipment set designed to extract and process fecal sludge from pit latrines and septic tanks. For others with dewatering needs, however, this review may provide some directional guidance.

The technologies reviewed are discussed for their applicability to a specific project concept reviews do not address more general applicability.

The purpose of this exercise is to identify ways to reduce the quantity of solid materials that must be transported away after desludging a pit or septic tank, presuming the produced water could be easily treated and safely reused or discharged on site or nearby. This document explores various available dewatering technologies, and analyzes their applicability for separating the liquid and solid components of septic holding tanks.

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