Schnell Komposter S-50: 50 kg/day In-Vessel Commercial Composting Machine
The Schnell Komposter 50 kg/day In-Vessel Commercial Composting Machine S-50 processes up to 50 kilograms of food waste per day, converting all categories of catering food waste into nutrient-rich compost within 24 hours through an enclosed, odour-free in-vessel aerobic composting process. The full Schnell Komposter commercial composting machine range is manufactured and installed across the UK and Europe by 3R Urban Solutions UK.
At 50 kg per day, the S-50 processes 1,500 kg — 1.5 tonnes per month on-site — eliminating the need for a food waste collection contract for that volume, removing landfill tax exposure, and producing usable compost as the output. All food waste stays on your premises and is transformed into a resource rather than disposed of as a liability.
50 kg/day In-Vessel Commercial Composting Machine S-50 Technical Specifications
☞ Processing Capacity
50 kg of food waste per day
☞ Monthly Throughput
1,500 kg — 1.5 tonnes per month
☞ Processing Cycle of 50 kg/day In-Vessel Commercial Composting Machine
24 hours from input to finished compost — continuous daily operation
☞ Composting Process of 50 kg/day In-Vessel Commercial Composting Machine
In-vessel aerobic composting: enclosed, sealed, odour-controlled, pest-proof
☞ Internal Operating Temperature
60–70°C — pathogen and weed-seed elimination; compliant with Animal By-Products Regulation (ABP) standards for catering waste
☞ Volume Reduction
Up to 90% reduction in food waste volume; dry, friable compost output
☞ Power Supply
415V 50Hz three-phase (standard UK commercial supply); estimated draw approximately 1.5–2 kW
☞ Installation Requirements
Requires covered or semi-covered external or service area. Full site survey, installation and commissioning by 3R Urban Solutions UK engineers included with every supply.
☞ Maintenance
50 kg/day In-Vessel Commercial Composting Machine S-50 is a low-maintenance design; daily operation manageable by existing site staff following 3R Urban Solutions training. Scheduled filter and mechanical service by 3R Urban Solutions technicians.
☞ Certification
CE marked; compliant with European and UK machinery safety directives. Meets UK Environmental Permitting requirements for on-site composting of catering waste.
☞ Output
Nutrient-rich compost, approximately 150 to 200 kg per month at 50 kg/day throughput. Safe for direct use on grounds, gardens and landscaping.
Accepted Inputs: What the 50 kg/day In-Vessel Commercial Composting Machine S-50 Processes
The 50 kg/day In-Vessel Commercial Composting Machine S-50 accepts the full range of commercial catering food waste. All cooked food of any type, raw food preparation waste including vegetable peelings and fruit trimmings, meat and poultry including cooked bones, fish and shellfish, dairy products, bread, pastry and baked goods, coffee grounds, tea bags, eggshells, and mixed plate waste are accepted without pre-sorting or pre-treatment.
The 60–70°C internal operating temperature ensures complete pathogen elimination in every cycle, producing a safe, stable compost output that meets ABP Regulation standards for catering waste composting. Packaging materials, large structural bones, excessive liquids and non-food items should not be loaded into the machine — 3R Urban Solutions UK provides a complete accepted and excluded materials guide at installation.
For a full technical explanation of the in-vessel aerobic composting process, how the microbiology works and what the compost output contains, see our guide: In-Vessel Aerobic Composting Explained.
Which Operations the 50 kg/day In-Vessel Commercial Composting Machine S-50 Serves
The 50 kg/day In-Vessel Commercial Composting Machine S-50 is well matched to small restaurants with 40–80 covers, small hotel operations producing breakfast and bar waste, mid-sized staff canteens, small school kitchen operations, cafe groups, and small care homes.
The 50 kg/day In-Vessel Commercial Composting Machine S-50 is one of eleven capacity configurations in the Schnell Komposter range, covering 25 kg/day to 2,000 kg/day. The right model for your business is determined by your actual average daily food waste volume. 3R Urban Solutions recommends sizing for your peak days rather than your average — a machine that cannot handle peak volumes creates exactly the compliance and operational problem you are trying to solve.
Read how the Schnell Komposter range serves specific sectors:
The 24-Hour In-Vessel Composting Cycle Explained
Food waste from your kitchen or catering operation is collected in designated containers and loaded into the 50 kg/day In-Vessel Commercial Composting Machine S-50 input chamber — typically once or twice per operational day. Once the chamber is loaded and sealed, the machine’s managed aeration system maintains the controlled oxygen environment that aerobic composting requires.
As naturally occurring microorganisms begin breaking down the organic material, exothermic biological activity raises the internal vessel temperature to between 60 and 70 degrees Celsius. This temperature range simultaneously accelerates the composting process to completion within 24 hours, eliminates pathogens and harmful bacteria, destroys weed seeds, and drives moisture from the waste — producing a dry, friable compost rather than wet digestate.
At the end of the 24-hour cycle, finished compost is extracted from the output chamber. The S-50 is immediately ready for the next loading cycle. Operation is continuous — there is no batch rest period, no downtime between cycles, and no interruption to normal kitchen workflow. The entire process takes place within the sealed vessel with no odour emission and no noise nuisance, making the machine appropriate for installation in locations near occupied buildings or customer-facing areas.
The volume reduction achieved is typically around 90%. This means 50 kg of food waste input produces approximately 5 kg of finished compost output per day — a dramatic reduction in waste volume that simultaneously creates a useful material rather than a disposal problem.
Regulatory Compliance: Simpler Recycling 2025 and Environmental Permitting
The 50 kg/day In-Vessel Commercial Composting Machine S-50 fully satisfies the food waste separation and management requirements of the Simpler Recycling regulations that came into force across England on 31 March 2025. Food waste is separated at source, loaded into the machine, and processed entirely on your premises. It does not enter the external waste stream as food waste at any point, and no separate food waste collection contract is required for the volumes the S-50 handles.
On-site composting of catering waste is regulated under the Environmental Permitting (England and Wales) Regulations 2016. For most commercial volumes processed by the S-50, a T23 registered exemption is the appropriate route — this is a registration rather than a full permit application, and 3R Urban Solutions guides every customer through the process as part of the installation service at no additional charge.
For detailed guidance on the legal framework your business must navigate, see our comprehensive articles on Simpler Recycling 2025, UK Landfill Tax 2025-26, and food waste recycling for UK businesses.
Financial Analysis: What the 50 kg/day In-Vessel Commercial Composting Machine S-50 Saves Your Business
At 50 kg per day — 1,500 kg — 1.5 tonnes per month — your business is currently paying for food waste collection at UK commercial rates of £80 to £150 per tonne, plus the landfill tax standard rate of £126.15 per tonne (2025-26) passed through in contractor pricing. The annual cost of managing this volume through a collection-based route is approximately £2,500 to £5,000 per year, and rises with every future landfill tax increase.
The 50 kg/day In-Vessel Commercial Composting Machine S-50 eliminates these ongoing costs. The compost output — approximately 150 to 200 kg per month — has direct value for businesses with grounds, gardens or landscaping requirements. It can replace purchased growing media and soil conditioners, or be donated to local community projects. Use our free Commercial Composting ROI Calculator to calculate the specific payback timeline for your operation.
3R Urban Solutions UK Installation and Support
Every Schnell Komposter 50 kg/day In-Vessel Commercial Composting Machine S-50 manufactured and installed by 3R Urban Solutions UK includes a full site survey to confirm installation requirements, delivery and installation by qualified 3R Urban Solutions UK engineers, commissioning and performance verification, full staff training on machine operation and maintenance, guidance through the T23 environmental exemption registration process, and ongoing technical support and scheduled maintenance.
3R Urban Solutions UK is one of the world’s leading manufacturer of the Schnell Komposter range and installs these machines across UK and Europe. Learn more about 3R Urban Solutions UK and the Schnell Komposter Commercial Composting Machine Models.
The Full Schnell Komposter Range
S-25 — 25 kg/day | S-50 — 50 kg/day | S-75 — 75 kg/day | S-100 — 100 kg/day | S-150 — 150 kg/day | S-250 — 250 kg/day | S-500 — 500 kg/day | S-750 — 750 kg/day | S-1000 — 1,000 kg/day | S-1500 — 1,500 kg/day | S-2000 — 2,000 kg/day
All models in the range share the same 24-hour in-vessel aerobic process, 415V 50Hz three-phase power requirement, CE marking, ABP Regulation compliance and 3R Urban Solutions UK full-service installation and support. The capacity you choose is determined by your daily food waste volume — contact 3R Urban Solutions UK for a free site assessment if you are unsure which model is right for your operation.
Contact 3R Urban Solutions for a free quote and site assessment →
Frequently Asked Questions — Schnell Komposter S-50
☞ What is the processing capacity of the Schnell Komposter 50 kg/day In-Vessel Commercial Composting Machine S-50?
The Schnell Komposter S-50 processes up to 50 kilograms of food waste per day. Over a standard 30-day month, this equates to 1,500 kg — 1.5 tonnes of food waste processed on-site and diverted from landfill.
☞ How long does the 50 kg/day In-Vessel Commercial Composting Machine S-50 take to produce compost?
The S-50 completes its in-vessel aerobic composting cycle within 24 hours. Food waste loaded into the machine converts to dry, stable, pathogen-free compost ready for use the following day.
☞ What power does the Schnell Komposter 50 kg/day In-Vessel Commercial Composting Machine S-50 require?
The Schnell Komposter S-50 requires a 415V 50Hz three-phase power supply — standard for commercial premises across the UK. Estimated power draw is approximately 1.5–2 kW. Your 3R Urban Solutions installation engineer will confirm exact requirements during the site survey.
☞ Is the 50 kg/day In-Vessel Commercial Composting Machine S-50 suitable for my business?
The S-50 is well matched to small restaurants with 40–80 covers, small hotel operations producing breakfast and bar waste, mid-sized staff canteens, small school kitchen operations, cafe groups, and small care homes. Contact 3R Urban Solutions for a free site assessment and capacity analysis to confirm the right model for your specific waste volumes.
