Transformation technology
Lab-validated routes.
Circular economy · Research · Development · Innovation
Innovation in Waste Valorization
We turn industrial waste into secondary raw materials and new products — extending the life cycle of resources and making your company more competitive and sustainable.
About us · Solution
Experts in turning waste into new resources
We are a company of dedicated specialists who turn waste into secondary raw materials and new products. We firmly believe that through circular economy and innovation we can drive sustainable development — reducing industry’s impact on nature, cutting operating costs and diverting waste from landfills, co-processing and other final disposal alternatives.
We identify the best valorization routes based on the four pillars shown here — using our own innovation methodology that enables agile deliveries aligned with each client’s needs.
Talk to a specialistValorization Ecosystem
We integrate technology, market intelligence, logistics and technical characterization to identify the best valorization route for each waste stream.
Logistics
Collection and storage at scale.
Consumer market
Connecting generators to buyers.
Waste characteristics
The physical-chemical potential of each waste.
Aligned with the UN SDGs
Proprietary R,D&I methodology
Incubated at CELTA · CERTI Foundation
ParqTec Alfa — Innovation Hub
0UN SDGs addressed
0Tonnes of waste valorized
0Valorization projects
0States and regions served
Roadmap
Your waste's journey
From first contact to industrial operation: a technical and financial partnership with 4FeedStock, deliverable by deliverable.
01
Diagnosis
Sample analysis and valorization potential matrix.
02
Characterization
Technical deep-dive and business model design.
+1,400tWaste valorized
4Structured stages
03
R,D&I and Prototyping
Lab validation and the route’s technology roadmap.
04
Industrial Operation
Operation monitoring and impact indicators.
Science & Technology
Circular Economy
Strategic Partnerships
Results-Driven
Proprietary technology
SIMILIS
4FeedStock’s proprietary data intelligence platform.
Built in-house by 4FeedStock, SIMILIS cross-references technical, logistics and market data to reveal the true valorization potential of each waste stream — connecting data, technology and circular economy in a single platform.
Smart Characterization
Cross-references technical and physical-chemical data to understand each waste’s true potential.
Opportunity Matching
Connects waste generators with the best market routes and valorization partners.
Decision Support
Turns data into clear indicators for faster, more strategic decisions.
Preliminary assessment
Discover your waste's valorization potential
Run a quick assessment in minutes and uncover opportunities to turn waste into value.
1 About the waste
2 Your details
Fill in all required fields to calculate.
1 of 2
0/100
Result:
—
Your details
Fill in your details to receive our presentation and a Waste Valorization proposal!
Fill in the required fields (*) to submit.
4FeedStock is committed to using the data provided in this calculator exclusively to assess the valorization potential of industrial waste and to prepare a personalized proposal. All information will be treated with strict confidentiality.
2 of 2
Our clients
Who’s already circulating with us
Companies innovating and driving sustainable development through waste valorization.
Where we operate
Clients all across Brazil
From the South to the Southeast, our waste valorization projects already operate across several regions — and keep expanding along with Brazil’s circular economy.
- C.R.E.B.E.LCriciúma · SCGet directions ↗
- Impact HubFlorianópolis · SCGet directions ↗
- IraniVargem Bonita · SCGet directions ↗
- SchulzJoinville · SCGet directions ↗
- SopranoFarroupilha · RSGet directions ↗
- TrashinPorto Alegre · RSGet directions ↗
- VeoliaSão Paulo · SPGet directions ↗
Team
People passionate about transforming tomorrow
The specialists behind our technology and innovation.
Willian Farias
CEO
Renato Valente
CTO
Wellyngton Amorim
Communications & Sales Director
Nicole John Volken
Project Coordinator
Marina Calian
Chemical Engineer
Mariana Costa
Chemical Engineer
Luana Furini
Designer
Testimonials
See what people say about us
"With 4FeedStock’s contribution, we sustainably disposed of 85.4% of the construction waste from our latest expansion. Considering the national average is estimated at 20%, I can say that the recycling, external reuse and internal reuse initiatives made a real difference for the climate challenges driving us."
Márcio CabralCommunity Director at Impact Hub Floripa
"We had a very positive experience with 4FeedStock on decarbonization and circular economy projects, achieving great results by repurposing materials in applications whose potential we previously had no idea about. 4FeedStock supported us, opening markets and opportunities more efficiently for the waste generated inside our plant."
Alexsandro FoythInnovation Specialist at Schulz Automotive
"For us at Organa Biotech, 4FeedStock is an R&D arm for waste. We have major clients and provide solutions for organic waste, but when asked about other streams we turn to our partners — and several solutions have already been validated and delivered with excellent results. For Organa Biotech, 4FeedStock is not just a fantastic partner: it’s the future of sustainability."
Guilherme Ottoni ZimmermannCo-Founder of Organa Biotech
"4FeedStock represents the connection between initiatives that put sustainable innovation into practice. Having partners who share a philosophy of advancing reverse logistics and circular economy is essential to walk promising paths toward sustainability. As a cleantech, Brasil Preserva honors this partnership, which fosters R&D expertise and connects solutions for a better world."
Marina MoterleCEO of Brasil Preserva
Blog & news
Circular economy in focus
R,D&IHow diagnosis reveals hidden value in industrial waste
Physical-chemical analysis and the potential matrix: the first step of every valorization route.
Read on Instagram →
EcosystemInside CELTA: our lab at the largest innovation hub in Southern Brazil
CERTI Foundation’s state-of-the-art infrastructure and technology connections at the service of circularity.
Read on Instagram →
ESGCircular economy will dominate the 2030s — is your company ready?
Attractive business models, policy support and social pressure are accelerating the transition.
Read on Instagram →FAQ
Questions & answers
What types of waste do you valorize?
We work with complex waste across many classes: polymeric, metallic, organic, mineral, sludge, effluents and Class I (hazardous). Each case goes through a dedicated diagnosis to identify the best route.
How does the technical and financial partnership work?
Projects follow our four-phase roadmap — Diagnosis, Characterization, R,D&I & Prototyping and Industrial Operation — with client and 4FeedStock working as technical and financial partners in developing the innovation.
How long does a valorization project take?
It depends on the waste’s complexity. Our proprietary innovation methodology enables agile deliveries: the initial diagnosis already includes the valorization potential matrix.
Do you work outside Southern and Southeastern Brazil?
Yes! We evaluate projects all over Brazil and abroad — logistics is one of the pillars we consider when defining the valorization route.
Request a quote
Tell us about your waste. We’ll find the valorization route.
Fill in all fields to submit.
Message sent successfully!
Thank you for reaching out. Our team will get back to you shortly.