Circular
Circular / Direction & Development
Build the evidence before making the claim.
ONZKO is developing a practical circular approach around better decisions, traceable material pathways and outcomes that can be verified before they are published.
Now
Evidence foundation
Define the material, record its condition and test whether a credible next use can be supported.
Next
Qualified pilots
Test selected pathways with defined roles, controls and evidence requirements.
Later
Verified pathways
Publish only the capabilities and outcomes that operating evidence can substantiate.
This is a development direction. It is not a claim of current collection coverage, processing capacity or guaranteed recovery.
Circular model
A connected path, with evidence at every handover.
Design, supply and build decisions shape what may be recoverable later. Recovery and reuse remain conditional on material condition, logistics, available pathways and evidence.
01
Design
Consider use, service life, separation and future handling.
02
Supply
Keep product, quantity and source information organised.
03
Build
Record what was used and how it was installed.
04
Recover
Development stage: assess condition, access and credible routes.
05
Reuse
Evidence-gated: verify the next use and record the outcome.
Now and future
Start with a reliable evidence foundation.
Phase 1 focuses on defining data, assessment and publication controls. Later concepts remain subject to technical, commercial, regulatory and partner validation.
Now / Phase 1
- Material and project records
- Condition and contamination questions
- Credible next-use assessment
- Evidence and publication controls
Future / Subject to evidence
- Selected recovery pilots
- Material passports
- Marketplace pathways
- Processing decisions
Material streams
Learn the questions each stream brings.
These are educational classes for early assessment. They are not an accepted-material list and do not represent current processing capability.
Stone & Pavers
Condition, dimensions, finish, contamination and safe removal influence whether a second use can be assessed.
Soil & Organics
Source, composition, contamination risk, handling and intended next use require careful qualification.
Timber & Biomass
Species, treatment, fixings, coatings, moisture and available pathways shape any assessment.
Concrete & Aggregates
Composition, reinforcement, contamination, volume, access and transport affect the available options.
Opportunity assessment
Qualify the opportunity before making a commitment.
01 / IdentifyDefine the material, source, intended timing and project context.
02 / Condition & ContaminationEstablish what is known, unknown and likely to require testing.
03 / Quantity & LogisticsReview volume, access, separation, handling and transport constraints.
04 / Credible Next UseIdentify a realistic pathway that can be checked before it is described.
05 / Record OutcomeKeep the decision and supporting evidence connected to the material record.
This is proposed qualification logic. It is not a live collection, pricing, regulatory or processing workflow.
Evidence before claims
Record. Verify. Publish.
Impact statements stay private until the evidence, method and publication authority are clear. Quantities, percentages, carbon, landfill diversion, certification and performance claims remain withheld unless verified.
Record
Capture source facts, decisions, dates and supporting files.
Verify
Check scope, method, ownership and whether the evidence supports the statement.
Publish
Release only approved claims with the right context and limits.
Partnerships and pathways
Clear roles make a pathway credible.
Recovery
Defines what can be assessed, separated and handled.
Logistics
Tests access, timing, movement and practical constraints.
Supplier / Manufacturer
May provide product, composition and end-of-use information.
Trade / Project
Provides site context, quantities, condition and programme needs.
No partner relationship, geographic coverage or guaranteed recovery route is implied.
Development and R&D
Organics & Biochar
This area remains research and development. ONZKO is exploring the questions, evidence and controls that would be required before any operating proposition could be considered.
Development boundary
No operating plant, accepted feedstock, product, certification, environmental benefit or processing capacity is claimed.
Questions
Circular questions, answered plainly.
Does ONZKO currently collect or process these materials?
No current collection coverage or processing capability is claimed on this page. Any opportunity requires assessment and confirmation.
Are the four material streams an accepted-material list?
No. They are educational classes used to explain the questions that a future assessment may need to address.
Where are the impact numbers?
Impact metrics remain private until the underlying evidence, method, scope and publication approval are complete.
Can I raise a potential opportunity?
Yes. Share the context through the Contact page. An enquiry starts a discussion and does not guarantee a recovery or processing route.