Industrial Fuels
  Solid Recovered Fuel (SRF) & Refuse-Derived Fuel (RDF)
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RDF & SRF are environmentally beneficial and economical alternative energy sources, produced from non-recyclable municipal and industrial waste. RDF & SRF supplement or replace Green Petroleum Coke and Coal and can be used by production facilities with little or no modification in their solid fuel systems. SRF is used to power various heat treatment plants, including cement factories, heating plants, industrial furnaces, etc.

Renelux’s RDF & SRF are sourced from large-scale waste management facilities in Europe and USA. RDF & SRF calorific value ranges from 3.580 up to 5.000 kcal/kg, depending on the type of waste in the country of origin and the production process.  RDF & SRF are low-ash low-sulfur alternative fuels that may be eligible for Renewable Energy Credits in some countries.

SRF is a high quality alternative fuel that is mainly composed of non-hazardous waste such as wood, paper, and textiles, in compliance with the European standard EN 15359. SRF is free from food, metals, glass and rubble, up to a level of 2.5%.

SRF has higher calorific value than RDF due to additional processing that this fuel has gone through. As a result, SRF is a very competitive fuel for cement kilns and other industrial facilities.


SRF Images:

SRF Raw Materials Storage Facilities Bales SRF Sample



SRF id packed in bales wrapped with PE film and bound with plastic strips. The bales are up to 1.4m Length, 1.1m width and 1.1m high. Each bale approximately weighing 1.3 tons. Loading capacity per 40ft container is about 25.5 tones and stowage factor for bulk shipments is 2.1 cubic meters per ton.



SRF is a source of energy that's not subject to the price volatility of traditional fossil fuels
The quality of SRF can be established on an individual basis (as special fuel blend), in accordance with the requirements of the end user
SRF is a Non-hazardous waste
SRF combustion is recognized as neutral in terms of CO2 emissions


Renelux SRF & RDF Main Origins:


Renelux delivers SRF/RDF in terms CFR/CIF to any EU and OECD country, as per EC Regulation No. 1013/2006 (prior notification process). Cargoes can be containerized or dry bulk (full vessel loads).

Cargo inspections are carried out by qualified international cargo inspection companies.   

Typical Qualities

Determinant Units AR DRY Method
Gross CV KJ/Kg 22736 27033 WI 3015
Net CV * KJ/Kg 20808
25201 WI 3015
Moisture *
% w/w 15.9 - WI 3013
Ash % w/w 9.3 11.0 WI 3014
Sulphur % w/w 0.1 0.1 WI 3021
Chlorine % w/w 0.73 0.86 WI 3021
Carbon % w/w 49.9 59.4 WI 3024
Total Halides % w/w 0.41 0.49 WI 3021
Total Group of 11 Metals Suite ppm 408 485 ICP-OES

Based on historical data, Net CV is usually above 16.000 KJ/Kg and Moisture is below 20%.


Size Fraction

Particle size Units %
<30 mm %w/w 90
30-35 mm
%w/w 10
Total %w/w 100


Excluded Substances

Substances exhibiting the following hazardous properties are excluded from the SRF.

HP Code SRF Absolute Exclusions
HP1 Explosive
HP7 Carcinogenic
HP9 Infectious
HP10 Toxic for Reproduction
HP11 Mutagenic
HP12 Release of an acute toxic gas cat.1,2, 3



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