Beston Biochar Machine Officially Vetted byPuro.earth
VETTD MODELBST-50SBIOCHAR METHODOLOGYA Credible Foundation for Carbon Removal Projects
Beston Group’s BST-50S biochar production system has completed Puro.earth’s technology vetting, giving project developers a credible foundation for high-integrity carbon removal projects.
The Detailed Numbers Behind the Approval
Puro.earth’s Biochar Methodology sets minimum thresholds a technology must meet before it can be trusted to produce credit-eligible biochar. Independent lab testing of biochar produced by BST-50S (wood chip feedstock) came in well inside every limit:
| Quality Indicator | Minimum Requirement | BST-50S Result |
|---|---|---|
| H/Corg (carbon stability ratio) | ≤ 0.70 | 0.32 |
| PAHs (EPA-16) | ≤ 4 mg/kg | 0.2 mg/kg |
| Cadmium | ≤ 1.5 mg/kg | 0.8 mg/kg |
| Lead | ≤ 120 mg/kg | 1 mg/kg |
| Arsenic | ≤ 13 mg/kg | 1 mg/kg |
Well below the 0.70 ceiling The key stability ratio supports durable, highconfidence carbon storage—not a marginal pass.
Excerpt from the independent laboratory analysis report
What This Means If You’re Building a
Biochar CDR Project
Lower technology risk.
Puro.earth’s Validation stage puts real scrutiny on combustion completeness, emissions control, and monitoring design. With BST-50S, that scrutiny has already been satisfied at the equipment level — reducing one of the biggest sources of delay and rework during project Validation.
A credible starting point for buyers.
Puro.earth’s CORC is the most established credit unit in the biochar market, with the platform’s own registry now covering over 100 certified engineered removal projects. Building on technology the platform has already reviewed gives buyers, brokers, and financiers one less thing to question.
Faster path from equipment to registration.
Because the reactor design, emissions pathway, and biochar quality profile are already documented against Puro.earth’s methodology, developers spend less time re-proving what the technology can do — and more time on the project-specific work (feedstock sourcing, monitoring plans, additionality case) that only they can provide.
Beston Full-Lifecycle Service for Biochar
Carbon Removal
BESTON works with Puro.earth and Crystalchain to provide a full-lifecycle service framework for biochar carbon removal projects – covering early-stage project planning, LCA assessment, delivery & construction, biochar production, dMRV monitoring, and carbon credit certification.
Project Delivery & Construction Services
Beston works in strategic partnership with CrystalChain to strengthen our
project delivery capabilities.
- Defining the project as carbon removal solution design
- Feedstock eligibility and sustainability assessment
- Registry selection, e.g. Puroearth, Isometric etc.
- Life Cycle Assessment, LCA, prepared for project registration
Manufacturing & Installation
Once financing is secured, Beston delivers the biochar equipment
required for the project.
- Process layout design for biochar production
- Manufacturing, delivery, installation, and commissioning of biochar equipment
Production & dMRV Monitoring
- dMRV system: full traceability of feedstock, production, biochar use,
logistics, and emissions. - Automated carbon removal calculation based on LCA models.
- Standardized reports for registry verification and credit issuance.
Through dMRV, each ton of permanently removed CO₂ is traceable, verifiable, and creditable.
Carbon Credit Certification
Based on dMRV and LCA outputs, results are submitted to registries
such as Puroearth:
- Reviewed by the registry and third-party auditors
- High-quality carbon removal credits are issued
- Credits can be sold, held, or used for corporate climate strategies
Looking Ahead
As a solution provider, Beston’s mission is to provide customers with
efficient and reliable biochar production equipment. This cooperation
with Puro.earth helps recyclers transform pyrolysis technology into
sustainable commercial value.”
Turn your biochar carbon removal plans into a commercial project with Beston’s validated technology
and expert support. Contact us today for an equipment solution tailored to your feedstock, production goals, and Puro.earth project requirements.
Date: October 15, 2026
Location: Zhengzhou City, China
Strategic partner of Exomad, the world’s largest carbon sink supplier.
Technology partners of Puro.earth & Isometric
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—— Participant from Brazil
