Highest Level of Water Recycling Unlocked: Watch Alfa Laval’s journey with Harinagar Sugar Mills
Zero Liquid Discharge was achieved at Sugar Mills with our Evaporation technology. Zero Liquid Discharge was achieved for Distillery effluent (biomethanated spent wash) with Alfa Laval’s comprehensive evaporation and water recycling technology at Harinagar Sugar Mills. Concentrated spent wash is converted into bio-compost and then returned to farmers, this circular process helps maintain soil fertility. Watch the customer testimonial from Mr Vedang Pittie, Director Harinagar Sugar Mills Ltd.
DATE 2024-09-26Customer Benefits of Alfa Laval’s De-Gasification, Multiple Effect Evaporator and Condensate Stripping Systems
1) Plant runs continuously for 7-8 days before CIP.
2) Effective degasification of biomethanated spent wash and process condensate cleaning.
3) While producing Ethanol from C Heavy Molasses, almost 15,00,000 Liters per day effluent is generated, with the help of the Alfa Laval’s evaporator they reduce it to 3,50,000 liters.
4) Recycling more than 10,60,000 liters of water per day in fermentation & cooling towers.
5) Foaming of spent wash of the effluent was tackled effectively
Concentrated spent wash is converted into bio-compost and then returned to farmers, this circular process helps maintain soil fertility.
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Alfa Laval offers similar technology for various process effluents and have installations in Food Processing, Pharmaceuticals, Starch Industries etc
Technology Used:
ViscoVap (Shell & Tube Forced Circulation Evaporation System):
The Alfa Laval ViscoVap tubular forced circulation evaporator concentrates highly viscous, heat-sensitive liquids with fibre and suspended solid contents under low-temperature vacuum conditions. Compact and efficient, it is more resistant to fouling due to high flow rates, high heat transfer efficiency, and a self-cleaning effect. This reduces energy, water, cleaning media costs while generating less effluent. Perfect for concentrating foodstuffs like fruit and vegetable purées as well as finishing effluent concentration.
- Minimal fouling risks due high velocity, high shear stress, smooth heat transfer surfaces, and self-cleaning effect
- More uptime due to reliable, robust, self-cleaning construction.
- Versatile design makes it easy to process various products or effluents with similar physical properties and adapt capacity as needed
Other Technology Available:
AlfaFlash (Plate & Frame Type Forced Circulation Evaporation System)
The Alfa Laval AlfaFlash forced circulation plate evaporator concentrates high-viscosity, high-fouling and shear-thinning fluids, safely, reliably, effectively. Compact, self-cleaning and easy to maintain, this forced circulation plate evaporator handles process liquids with high levels of suspended solids, meeting medium to zero liquid discharge requirements. Suitable for applications – from proteins, food, beverage, starch, and sweeteners to life science and industrial fermentation to wastewater.
Concentrate high viscosity, fouling-prone and shear-thinning fluids with ease
- Maximum uptime due to minimal fouling as a result of a higher shear rate and higher turbulence, which creates a self-cleaning effect
- Minimized disposal and transport costs due to highly efficient concentration of high-viscosity or shear-thinning process liquids
- Compact, space-saving footprint due to reduced height and weight compared to shell-and-tubes, cutting installation, operating and maintenance costs
- Excellent preconcentration and turndown capabilities due to energy-efficient dryers and adjustments to varying feed composition during recirculation
- Perfect for boosting capacity and debottlenecking existing evaporation systems
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