SDG 1 · No PovertyIncome Opportunities
The project creates local employment and supplementary income opportunities through biomass sourcing, processing, logistics and agricultural applications.
Odisha, India · Agricultural Residue Biochar
Turning agricultural residues into durable carbon removal
Project ID:
Isometric 6PQZOperationalThe Kalinga Restoration Project converts rice husk, an abundant agricultural residue in Odisha, into biochar through controlled pyrolysis. The biochar is then incorporated into agricultural soils, where its stable carbon is designed for long-term storage while supporting soil health and agricultural productivity.
Project Specifications
Live- Technology
- Controlled Pyrolysis
- Feedstock
- 100% Rice Husk
- Permanence Tier
- 200-Year Durability
- Standard & Module
- Isometric - Biochar Storage in Soil Environments v1.3 ↗
- Operating Bases
- Kalahandi & Sambalpur
- Commercial Status
- Operational (2026)
Project Capacity
At a glance
Commercial biochar processing capacity across LongStraw's two operational facilities in Kalahandi and Sambalpur, Odisha.
01 / FEEDSTOCK CAPACITY
100
tonnes / day
Biomass processing capacity across the two operational facilities, equivalent to ~25,000 tonnes/year of agricultural rice husk diverted from burning.
Two Operational Bases02 / BIOCHAR OUTPUT
~7,500
tonnes / year
Expected annual biochar production capacity produced under controlled slow pyrolysis and optimized for soil application.
Fixed Carbon Rich03 / CARBON REMOVAL
~20,000
tCO₂e / year
Expected net carbon removal capacity verified under the Isometric Biochar Storage in Soil Environments Module targeting 200-year durability.
200-Year Isometric Tier04 / SOIL AMENDMENT
MatiBoost™
Commercial Formulation
Biochar-enhanced soil amendment product connecting durable carbon removal directly with smallholder farm soil regeneration across Odisha.
Operating & ScalingNote: Project capacity figures represent current operational project capacity across Kalahandi and Sambalpur. Carbon removal capacity is calculated in accordance with the Isometric crediting methodology and net accounting baseline parameters.
Conversion Methodology
From rice husk to durable carbon
Rice husk is sourced from nearby partner mills, processed through controlled slow pyrolysis, and converted into stable biochar for permanent soil application while recovering syngas and bio-oil.
01 SOURCE
Partner Mill Intake
Rice husk residue sourced from partner mills within a 5–20 km radius via pipeline or truck.
02 PREPARE
Weigh & Screen
Feedstock weighed via calibrated telemetry, screened for debris, and verified for moisture uniformity.
03 PYROLYSE
Slow Pyrolysis
Continuous thermal conversion at 450–600°C under strict low-oxygen atmospheric conditions.
04 RECOVER
Energy & Co-Products
Syngas recirculated for reactor heat; surplus syngas sent to mills; bio-oil captured as a by-product.
05 APPLY
Soil Application
Cooled biochar incorporated into regional soils directly and through MatiBoost™ for 200+ year storage.
Continuous Pyrolysis Unit Architecture
Isometric engineering diagram showing continuous feeder, pyrolysis barrel, syngas recycle line, and biochar collection bin.
Active Operations in Odisha
Actual facility interior with elevated cyclones, material conveyors, and bagged biochar handling area.
Operating Infrastructure
Project locations
The project operates across two facilities in Kalahandi and Sambalpur, Odisha, creating a local circular system connecting rice milling, carbon removal, and agriculture.
OperationalFacility 01
Kalahandi Facility
Kusumkhunti, P/O Moter, Kalahandi, Odisha, India
Commercial StartJuly 2026
Feedstock SourcingNearby partner rice mills
Intake MethodDirect pipeline & truck freight
Conversion TechContinuous slow pyrolysis
OperationalFacility 02
Sambalpur Facility
Kishan Nagar, P/O Rengali, Sambalpur, Odisha, India
Commercial StartSeptember 2026
Feedstock SourcingSambalpur rice-milling ecosystem
Intake MethodCalibrated weighbridge trucks
Conversion TechContinuous slow pyrolysis
Soil Regeneration
Soil application & MatiBoost™
The biochar produced by the project is intended for agricultural soil application. It can be applied directly or incorporated into soil-amendment products through blending with suitable agricultural inputs.
MatiBoost™ is LongStraw's biochar-enhanced soil amendment product, designed to connect durable carbon removal with agricultural use and build long-term climate resilience into smallholder farming communities across Odisha.
01 / RETENTION
Water Retention
Porous microstructure holds seasonal rain in drought-prone topsoil.
02 / NUTRITION
Nutrient Retention
Reduces synthetic fertiliser runoff through high ion exchange capacity.
03 / STRUCTURE
Soil Structure
Improves aeration, reduces compaction, and promotes healthy root growth.
04 / BIOLOGY
Microbial Habitat
Internal micro-pores shelter beneficial bacteria and mycorrhizal fungi.
05 / SINK
Long-Term Soil Carbon
Locks recalcitrant carbon in the earth for over 200 years.
UN Sustainable Development Goals
Environmental & social impact
The Kalinga Restoration Project delivers targeted contributions across 8 United Nations Sustainable Development Goals, directly tying durable carbon removal with rural prosperity.
SDG 1 · No Poverty
SDG 2 · Zero HungerSoil & Crop Health
Biochar-based soil amendments improve water and nutrient retention, supporting healthier soils and more resilient agricultural production.
SDG 3 · Good HealthReduced Open Burning
By creating a productive use for rice husk, the project helps reduce open burning and associated exposure to particulate matter and air pollutants.
SDG 7 · Affordable & Clean EnergyResidue to Energy
Pyrolysis generates syngas reused as process energy, while surplus syngas provides an alternative fuel for nearby rice mills.
SDG 8 · Decent Work & Economic GrowthDecent Work
Supports employment and technical skills across biomass aggregation, plant operations, logistics and agricultural applications.
SDG 12 · Responsible Consumption & ProductionConsumption
Rice husk that may otherwise be burned or underutilised is converted into biochar, bio-oil and syngas through a circular model.
SDG 13 · Climate ActionClimate Action
Biochar produced through pyrolysis stores stable carbon in soils for the long term, creating durable removal while cutting waste emissions.
SDG 15 · Life on LandLife on Land
Biochar application improves soil structure, water retention and nutrient availability, creating healthier agricultural soils and resilient land systems.
Institutional Buyer & Diligence Layer
Project screening & due diligence
Key information structured for carbon removal procurement desks, institutional investors, and compliance screening under the Isometric Standard.
Where is the project located?
The Kalinga Restoration Project currently operates two facilities in Odisha, India: one in Kusumkhunti (Kalahandi District) and one in Kishan Nagar (Sambalpur District).
Is the project operational?
Yes. The Kalahandi facility commenced commercial operations in July 2026, and the Sambalpur facility commenced commercial operations in September 2026.
What is the production technology?
The facilities use controlled slow pyrolysis to convert rice husk into biochar, recovering syngas for process heat and bio-oil as a liquid co-product.
What is the current scale?
Combined biomass processing capacity of ~100 tonnes per day, equivalent to approximately 25,000 tonnes per year under a 250-day operating assumption (~7,500 t/yr biochar).
What feedstock is used?
Exclusively rice husk agricultural residue. The project does not rely on deforestation, land conversion or purpose-grown energy crops.
Where does it come from?
Partner rice mills in Odisha, primarily located within short transport distances (approximately 5–20 km) via direct pipeline and road haulage.
How is feedstock traceability maintained?
Supplier lists, delivery records, electronic weighbridge mass & moisture logs, and transport consignment notes provide end-to-end traceability.
What happens if primary supply changes?
The project has access to nearby alternative rice mills within Odisha's dense paddy belt and can evaluate other residues where sustainably appropriate.
What is the carbon removal pathway?
Rice husk converted into stable biochar through controlled pyrolysis and subsequently applied to regional agricultural soils for permanent storage.
What durability standard is targeted?
Follows the [https://registry.isometric.com/module/biochar-storage-soil-environments/1.3](Isometric - Biochar Storage in Soil Environments v1.3) and targets the 200-year durability tier under Project ID: **Isometric 6PQZ**.
How is carbon removal monitored?
Captured through automated telemetry integrated with digital MRV systems: feed rate, reactor temperatures, biochar output, and process conditions.
How is double claiming addressed?
Carbon removal credit rights are attributed to a single stakeholder, with contractual and operational controls preventing duplicate claims. Voluntary activity with zero subsidies.
Where is the biochar used?
Biochar is intended exclusively for agricultural soil application, directly or incorporated into MatiBoost™ soil-amendment products.
How is quality assessed?
Laboratory testing covers organic carbon content, H/Corg molar ratio (< 0.40), PAHs, heavy metals, pH, and electrical conductivity at ISO 17025 accredited labs.
Are laboratory reports available?
Yes. Supporting laboratory documentation can be made available to prospective buyers and diligence partners through the data room.
How is end-use controlled?
The project maintains distribution, dispatch, and application records documenting the movement of biochar through to verified soil application.
Does the project displace communities?
No. The project does not cause displacement of communities. Both facilities are situated on industrial mill leaseholds with zero land conflict.
What stakeholder engagement processes exist?
Formal stakeholder engagement, local community consultation processes, and structured grievance mechanisms are actively maintained.
What social impacts are generated?
Supplementary agricultural income, local green employment, technical skills, and reduction of particulate matter air pollution from unmanaged husk burning.
Are there critical implementation or political barriers?
No significant technological, biophysical, or political barriers affecting current project implementation have been identified.
Zero Sector Affiliations
LongStraw has zero ties to oil & gas, mining, coal, tobacco, gambling, crypto, or arms.
Zero Litigation
No claims, investigations, legal cases or proceedings reported within the past 5 years.
Clean Balance Sheet
No outstanding liabilities or contingent obligations outside ordinary business course.
No PEP Exposure
Zero directors, employees, or owners identified as politically exposed persons.
*Disclaimer:* This page provides a high-level operational overview to support preliminary screening. It does not constitute a complete due diligence pack or investment offer. Prospective buyers and investors should rely on verified registry issuance records and independently audited documentation.
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