Pyrolysis Plant FAQ
Expert answers to 30+ common questions about pyrolysis plants — from costs and technology to permits and ROI. Based on APChemi's 17+ years and 49+ projects.
Cost & Investment
Pyrolysis plant costs range from $200,000 for a small 5 TPD batch unit to over $5 million for a large-scale 50+ TPD continuous plant. The total investment depends on capacity, feedstock type, automation level, and whether oil purification/distillation is included. APChemi provides detailed cost breakdowns and ROI projections for each project.
A well-designed pyrolysis plant typically achieves ROI within 2-4 years. Key factors include feedstock cost (or tipping fees), output product prices (pyrolysis oil, carbon black, gas), plant utilization rate, and operational efficiency. APChemi's plants achieve 2-5x capital efficiency compared to industry averages.
Operating costs typically range from $30-80 per tonne of feedstock processed, covering energy, labor, maintenance, and consumables. Continuous plants have lower per-tonne costs than batch systems. APChemi's automated designs minimize labor requirements and maximize energy recovery from process gas.
Yes, pyrolysis plants are profitable when properly designed and managed. Revenue comes from tipping fees for waste processing, sale of pyrolysis oil (used as fuel or chemical feedstock), carbon black, steel wire (from tires), and process gas. ISCC Plus certification can further increase oil prices through sustainability credits.
Pyrolysis plant financing options include project finance, green bonds, government grants for waste-to-value projects, carbon credit revenue-backed loans, and equity investment. APChemi's project management consultancy helps clients structure bankable projects with credible financial models that attract institutional investors.
Technology & Process
Pyrolysis is a thermochemical decomposition process that breaks down organic materials (plastics, tires, biomass) at elevated temperatures (400-700°C) in the absence of oxygen. The process converts waste into valuable products: pyrolysis oil, carbon black, steel (from tires), and combustible gas. It is a key technology in chemical recycling and the circular economy.
Batch pyrolysis processes one load at a time with start-stop cycles, suitable for smaller operations (5-15 TPD). Continuous pyrolysis feeds material and extracts products non-stop, achieving higher throughput (20-100+ TPD), better energy efficiency, and more consistent product quality. APChemi specializes in continuous systems for commercial-scale operations.
Pyrolysis typically operates between 400°C and 700°C depending on the feedstock and desired products. Plastic pyrolysis usually runs at 400-550°C to maximize oil yield. Tire pyrolysis operates at 450-600°C. Biomass pyrolysis ranges from 300-700°C depending on whether you're producing biochar (lower temps) or bio-oil (higher temps).
Pyrolysis oil has multiple applications: as industrial fuel (replacing heavy fuel oil), as feedstock for steam crackers to produce new plastics (circular economy), as a blending component for marine fuels, and after further refining, for diesel and naphtha production. ISCC Plus certified pyrolysis oil commands premium prices in the circular plastics market.
Pyrolysis oil purification is the process of upgrading crude pyrolysis oil through fractional vacuum distillation to remove impurities, reduce sulfur and chlorine content, and produce consistent-quality fuel or chemical feedstock. APChemi's proprietary purification technology produces oil with 62% certified biofuel content, meeting ISCC Plus standards.
Pyrolysis operates without oxygen and recovers valuable products (oil, carbon black, gas), while incineration burns waste in the presence of oxygen, destroying materials and producing only heat and ash. Pyrolysis is a recycling technology that keeps materials in the value chain, whereas incineration is an end-of-life disposal method.
Yes, pyrolysis can process mixed and contaminated plastic waste that mechanical recycling cannot handle, including multi-layer packaging, film, and mixed streams. Pre-processing to remove PVC, metals, and excess moisture improves results. APChemi's technology is specifically designed for real-world mixed waste streams, not just clean single-polymer inputs.
Feedstock
Pyrolysis plants can process various organic waste: end-of-life tires, mixed plastic waste (PE, PP, PS), biomass and agricultural waste, waste windmill blades, rubber waste, and used oil. Each feedstock type requires specific reactor design and operating parameters for optimal yield. APChemi has experience with all major feedstock categories.
Plant capacity ranges from 5 tonnes per day (TPD) for small batch units to 100+ TPD for large continuous facilities. A typical commercial-scale continuous plant processes 20-50 TPD. Securing a reliable feedstock supply is critical — APChemi's feasibility studies include a thorough feedstock availability assessment for your region.
Oil yields vary by feedstock: mixed plastics yield 60-80% oil, tires yield 40-50% oil plus 30-35% carbon black, and biomass yields 30-45% bio-oil. Actual yields depend on feedstock composition, reactor temperature, and residence time. APChemi provides feedstock-specific yield data based on 49+ commercial projects.
Plant Design & Engineering
A complete pyrolysis plant project takes 12-24 months from feasibility study to commissioning. This includes 2-3 months for feasibility and design, 6-12 months for manufacturing and procurement, 3-6 months for installation and commissioning, and 1-2 months for performance testing. APChemi's project management approach ensures on-time delivery.
A 20 TPD continuous pyrolysis plant typically requires 2,000-5,000 square meters including feedstock storage, the reactor building, oil storage tanks, utilities, and office space. Larger plants need proportionally more space. Site selection should also consider proximity to feedstock sources, utilities access, and local zoning regulations.
Key utilities include: electricity (250-500 kW for a 20 TPD plant), water for cooling systems, natural gas or LPG for initial startup heating (the process gas is used as fuel after startup), and compressed air. Most plants achieve energy self-sufficiency using the process gas produced during pyrolysis.
Key criteria: proven commercial-scale references (not just lab/pilot), relevant patents and technology IP, ISCC Plus or similar certifications, project management experience, after-sales support capability, and financial stability. Red flags include lack of operational reference sites, unrealistic yield claims, and no process guarantees. APChemi has 49+ delivered projects as references.
Environmental & Regulatory
Pyrolysis diverts waste from landfills and incineration, recovers materials for reuse, and has a significantly lower carbon footprint than producing virgin materials. A life-cycle assessment shows pyrolysis of plastic waste reduces CO2 emissions by 50-70% compared to incineration. Modern plants with proper emission controls meet or exceed all environmental regulations.
Modern pyrolysis plants produce minimal emissions. Non-condensable process gas is cleaned and used as fuel (replacing external energy). Flue gas passes through multi-stage treatment (scrubbers, activated carbon, filters) before release. APChemi's plants comply with EU Industrial Emissions Directive standards and local regulations worldwide.
Required permits typically include: environmental impact assessment, air emissions permit, waste processing license, building permits, fire safety clearance, and operational permits. Requirements vary by country and region. APChemi's project management consultancy includes full regulatory guidance and permit application support for your specific location.
ISCC Plus (International Sustainability and Carbon Certification) is a globally recognized certification for circular and bio-based materials. For pyrolysis, it certifies the sustainability of the entire value chain from waste collection to end product. ISCC Plus certified pyrolysis oil commands premium prices and enables access to the circular plastics market. APChemi has 3+ ISCC Plus certified plants.
Business & Market
The global pyrolysis market is projected to reach $800+ million by 2030, driven by plastic recycling mandates, circular economy regulations, and corporate sustainability commitments. Key growth regions include Europe (due to strict recycling targets), Southeast Asia, India, Middle East, and North America.
A credible business plan should cover: market analysis and feedstock availability, technology selection and plant design, site selection and infrastructure, financial projections (CAPEX, OPEX, revenue), regulatory and permitting requirements, and risk analysis. APChemi provides comprehensive business plan support through its project management consultancy service.
Pyrolysis oil buyers include: petrochemical companies (for steam cracker feedstock), cement kilns and industrial furnaces (as fuel), marine fuel blenders, refineries (for further processing), and companies needing ISCC Plus certified circular feedstock for their sustainability targets. With ISCC Plus certification, APChemi connects producers to premium off-take markets.
Yes, pyrolysis projects can generate carbon credits through verified programs. Plastic-to-oil conversion avoids landfill methane and incineration CO2. Biomass pyrolysis producing biochar can qualify for carbon dioxide removal (CDR) credits. APChemi holds patents in carbon capture technology and can guide you through the carbon credit certification process.
R&D & Lab Testing
Yes, APChemi operates a dedicated R&D facility where we conduct experiments on plastic, tire, and biomass samples. Our testing covers the full process chain: pre-processing (shredding, drying, contaminant removal), pyrolysis at various temperatures and conditions, and post-processing (oil purification, carbon black upgradation). This helps clients validate feedstock suitability and expected yields before committing to a full-scale plant.
Absolutely. We routinely receive feedstock samples from prospective clients worldwide. Our R&D team runs controlled pyrolysis experiments on your specific material, providing detailed reports on oil yield, gas composition, carbon black quality, and optimal processing parameters. This de-risks your investment by providing real data before plant design begins.
Our pre-processing capabilities include: shredding and size reduction for tires and plastics, drying systems for high-moisture biomass, contaminant removal (metals, stones, PVC separation), and feedstock characterization testing. We optimize the pre-processing parameters to maximize pyrolysis yield and product quality for your specific waste stream.
Yes, post-processing and product upgradation is a core APChemi expertise. For pyrolysis oil, we offer fractional vacuum distillation to produce higher-value fuel fractions and chemical feedstock. For carbon black, we optimize activation and grinding processes to achieve market-grade specifications. Our R&D facility tests different upgradation parameters to find the optimal approach for your specific output.
Yes, we regularly receive troubleshooting assignments from operators of existing pyrolysis plants. Common issues we resolve include low oil yield, poor product quality, excessive emissions, reactor fouling, inconsistent operation, and energy inefficiency. Our engineers can conduct on-site assessments or analyze samples at our R&D facility to diagnose and resolve problems.
About APChemi
APChemi brings 17+ years of pyrolysis experience, 49+ delivered commercial projects, 12+ patents, 3+ ISCC Plus certified plants, and 227 million+ kg processed. We offer end-to-end service from feasibility to commissioning, proprietary oil purification technology, and project management consultancy that achieves 2-5x capital efficiency over industry averages.
APChemi has offices in three countries: APChemi Technology BV in The Netherlands (European headquarters), APChemi Pvt. Ltd. in Pune, Maharashtra, India (manufacturing and engineering center), and APChemi UK Ltd. in the United Kingdom. This global presence enables us to serve clients worldwide with local support.
APChemi provides: pyrolysis plant technology and engineering, pyrolysis oil purification systems, ISCC Plus certification support, project management consultancy (feasibility to commissioning), performance optimization for existing plants, and direct sale of ISCC Plus certified pyrolysis oil (5 million litres/year capacity).
Yes, APChemi provides comprehensive after-sales support including remote monitoring, regular maintenance schedules, spare parts supply, operator training, performance optimization, and ongoing technical consultation. Our 1.3 million+ hours of operational performance data across all plants informs our support recommendations.
Still Have Questions?
Our pyrolysis engineers are happy to answer any specific questions about your project. Get in touch for free.