GSR Solutions
GSR Solutions LLC
Burlington, Vermont, United States
About
GSR Solutions is a dairy industry manufacturer based in Burlington, United States selling processing equipment, engineering & services.
GSR Solutions is a Burlington, Vermont company that develops bolt-on biotechnology for nutrient recovery from dairy farms, anaerobic digesters, and food and beverage processors. Its BOLT platforms, including AD BOLT for digester effluent and BOLT FLO for non-digester sites, treat liquid manure, digestate and processing residuals. The process separates and concentrates nitrogen and phosphorus, reducing nutrients in the remaining liquid and converting them into organic fertilizer, with optional water polishing via ClearFlow. A commercial deployment at Green Mountain Dairy in Vermont has operated since 2021. Through its Agriscience business and the NutriHarvest platform, the company also sells organic fertilizer and plant nutrition products. GSR also offers technical advisory, techno-economic analysis and project development support. The company was reorganized from General Systems Research LLC, which was co-founded in 2008.
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Products
GSR BOLT
Nutrient recovery system
Core nutrient-recovery platform that captures nitrogen, phosphorus and organic value from liquid manure, digestate and residuals and routes them into fertilizer and recycled water.
GSR AD BOLT
Digester nutrient recovery system
Bolt-on nutrient recovery layer for anaerobic digester effluent, treating liquid digestate to recover fertilizer value.
BOLT FLO
Non-digester nutrient recovery system
Configuration for livestock farms and processors managing nutrient-rich liquid residuals without a digester.
BOLT Harvest
Nutrient recovery system
Component of the longer-running AD BOLT and BOLT Harvest farm deployment that recovers nutrients for fertilizer use.
ClearFlow
Water polishing system
Optional water-polishing step for cleaner recycled water after nutrient treatment.
GSR Agriscience organic fertilizers
Organic fertilizer
Organic fertilizer and plant nutrition products made from recovered nutrients, commercialized through the NutriHarvest platform.
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Reference installations
Green Mountain Dairy
United States · 2021
Liquid dairy manure digestate treatment and organic fertilizer production
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Ag Innovation recognition
