To minimize wastewater hauling costs and reduce its environmental footprint, Pure Greens of Salida, CO installed an ENCON Thermal Evaporator and is planning an ENCON Slurry Dryer installation in Q4 2021.
Project Highlights
Waste Streams
- Fertigation runoff
- RO reject
- Sanitization waste
Objective
Reduce wastewater disposal cost by minimizing volume of waste stream that is hauled away for disposal.
Solution
ENCON N66V4-260 evaporator; capable of evaporating 6,240 gal./day.
Result
Saving approx. $10,000/week compared to hauling/disposal.
Application
RO reject, fertigation runoff and sanitization wastewater at Pure Green's industrial cannabis cultivation facility.
Challenge
Pure Green's wastewater is considered industrial waste, so it is regulated as such. Neither surface or sewer discharge is an option, so the wastewater must be recycled or disposed of. Pure Greens is utilizing an RO system to recycle a portion of the waste stream, the remainder including the RO reject would need to be hauled for disposal or evaporated.
Solution
Due to the high cost of hauling for disposal, Pure Greens implemented an ENCON Thermal Evaporator system to minimize the wastewater volume by 95%.
Process Layout
1. WW collection tank
2. WW auto-feed to evaporator
3. 95% volume removed from waste via evaporation
4. Remaining 5% hauled away or dried to a solid.
Evaporator Specifics
ENCON Model: N66V4-260
Heat Source: Natural Gas
Evaporator Capacity: 260 gallons/hour of evaporation
Evaporator Materials of Construction: 6% Molybdenum
super stainless steel
Electrical: 480V, 3 phase, 60Hz
Click Here for a PDF version of this case study.
Watch how Pure Greens takes a sustainable manufacturing approach to their entire process, including water treatment, and how the ENCON Thermal Evaporator integrates in that process: Inside Sustainable Manufacturing Presented by ENCON Evaporators - Episode 1: Pure Greens.