INTERVIEW 44 FEED & ADDITIVE MAGAZINE May 2022 Devenish, along with Perstorp, has recently launched a new moisture management tool, SmartMoisture. Can you tell our readers what SmartMoisture is and what its contribution/advantages to moisture management are? SmartMoisture is the latest innovation in responsible moisture management. Uniquely, it contains glycerol esters of propionic acid and surfactant while current products contain ammonia propionate and surfactants. SmartMoisture’s unique combination of glycerol esters of propionic acid and surfactants act fast to encourage moisture absorption. The surfactants break down the surface tension of water, allowing the water to be distributed throughout a batch of feed and creating more contact between water and feed particles. The glycerol esters then act in synergy as a humectant. The glycerol esters can hold up to 1,000 times their own weight in water as they drag moisture into feed particles. Glycerol is used in the cosmetic industry to ensure ointments can absorb into human skin, similar to how SmartMoisture behaves. SmartMoisture prepares the feed for further absorption of moisture in the conditioning process, allowing for better particle adhesion. We have found improvements in steam retention efficiencies, improvements in throughput and increased energy savings where SmartMoisture is used. The retention of the moisture is assured, and we consistently see the full retention throughout the feed milling process. SmartMoisture also reduces the effect of equilibrium moisture content after production as well as guarding the feed against moisture migration. "A solution of SmartMoisture and water is created before dosing. The recommended solution is 380g SmartMoisture to 9,600ml of water for 1% moisture addition. Dosing the solution is very important as the dosing needs to be accurate at the right time, at the right pressure, through nozzles that create a mist spray angled into the feed. For this we have developed a network of liquid dosing companies which can support us in building these systems and maintaining them in every region we do business."
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