converting food waste into energy and fertilizer
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Converting Food Waste Into Energy and Fertilizer. How using an InSinkErator ® disposer allows capable wastewater treatment plants to recycle food waste into renewable energy and fertilizer. COLLECTION

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converting food waste into energy and fertilizer
Converting Food Waste IntoEnergy and Fertilizer

How using an InSinkErator® disposer allows capable wastewater treatment plants to recycle food waste into renewable energy and fertilizer

slide3

COLLECTION

Food waste disposers grind food scraps into fine particles, which flow through the sewer system to a wastewater treatment facility.

slide4

BAR SCREEN

Screens and grates remove large objects before the wastewater moves to settling tanks.

slide5

SEDIMENTATION

Material that floats is skimmed from the surface and material that settles is scraped from the tank bottom.

slide6

AERATION

Microscopic organisms break down the remaining organic material in the water.

slide7

CLARIFICATION

Secondary sedimentation separates clean water from the remaining solids which are either digested or returned to the aeration tanks to further continue the process.

slide8

DISCHARGE

Treated and disinfected wastewater is discharged into nearby waters.

slide9

DIGESTERS

Anaerobic digesters use microorganisms that digest the solids and release methane gas which can be used to generate power.

slide10

POWER GENERATION

Methane from the treatment process is used to power the facility.

slide11

BIOSOLIDS

A product of the digestion process are biosolids, which can be converted into fertilizer or soil conditioner used in agriculture and home gardening.

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