On-site recycling of used oil into biodegradable industrial detergent
Souji provides an on-site process that converts used cooking oil into a biodegradable cleaning and disinfecting detergent for industrial and food-service environments. Using a patented formula, it mixes used oil with water at room temperature in an automated device to produce a stable cleaning product for surfaces, equipment, and machinery. The approach targets reduced detergent costs, lower waste-oil logistics and disposal needs, and decreased CO₂ emissions versus traditional cleaning products.
Overview
Souji is an on-site recycling technology that converts used cooking oil into a biodegradable cleaning and disinfecting detergent, designed for industrial and food-service environments. Using a patented formula, it mixes used oil with water at room temperature in an automated device, producing a stable cleaning product suitable for surfaces, equipment, and machinery. This solution addresses efficiency and environmental concerns in the edible-oil value chain by reducing costs associated with detergents, waste-oil logistics, and disposal, while also cutting down CO₂ emissions compared to traditional cleaning products.
Technical specifications
- Automated Device: Operates at room temperature to process used cooking oil into detergent.
- Patented Formula: Ensures the production of a stable, effective cleaning and disinfecting product.
- Scalable and Modular: Easily implemented at industrial sites, with scalability for varying volumes and needs.
- Environmental Benefits: Reduces carbon footprint by lowering CO₂ emissions tied to conventional detergent production and transport.
Technology readiness level
Souji's technology is at TRL 9, indicating it is fully commercial and ready for widespread implementation. The system has already been successfully deployed, demonstrating significant operational and sustainability benefits. Future validation involves pilot implementations and scaling operations to additional sites, ensuring broader adoption and impact.
About Souji
Souji is a Spanish chemical manufacturing company that provides circular economy technology for recycling used cooking oil. The company developed a patented, caustic-soda-free mineral and vegetable-based formula that allows users to transform used vegetable oil into a multipurpose ecological detergent in approximately one minute without hazardous processes or heat. Designed for both domestic use and the professional HORECA (hotel, restaurant, and catering) sector, the product helps mitigate the environmental impact of oil disposal while providing a sustainable cleaning solution. Souji manages operations through its parent company, Samsarapps, S.L., and is headquartered in the Community of Madrid, Spain.
The company serves diverse customers, ranging from individual households to large professional establishments such as hotels, cruise lines, and industrial catering operations. By enabling on-site recycling of cooking oil, Souji addresses critical logistical challenges in waste management, particularly for isolated locations like rural areas or maritime vessels, while helping clients reduce cleaning costs and improve ESG performance. Their professional B2B model integrates specialized hardware and modular systems into existing business operations, validated through pilots with partners like Hilton and other major hospitality groups. Supported by European funding and academic research, Souji offers a scalable approach to sustainability that connects waste management with the production of value-added cleaning products.
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