Market Context — Why This Technology, Why Now

Increasing global environmental regulations are driving industries towards advanced wastewater treatment focused on resource recovery, not just pollutant removal. The rising cost and geopolitical volatility of virgin fertilizer raw materials, alongside growing demand for sustainable agriculture, create a strong market pull for cost-effective, circular economy solutions. This technology transforms waste streams into valuable resources, enhancing corporate ESG profiles and operational resilience.

Key Competitive Advantages
01

Reduces Energy Costs by ~80% at Ambient Conditions

02

Dramatically Reduces Raw Material Costs by Utilizing Combustion Ash

03

Efficiently Recovers Phosphorus and Ammonium from Wastewater

Market Opportunity
Fertilizer Manufacturing
$1.5B globally (AI est.)
Rising raw material prices for chemical fertilizers and stricter environmental regulations are increasing demand for affordable, sustainable fertilizer raw materials. This technology offers a new supply source and could drive market transformation.
Large-scale fertilizer producers Specialty nutrient manufacturers Agricultural chemical companies
Water Treatment & Environmental Engineering
$350B globally (AI est.)
Environmental regulations mandate phosphorus and nitrogen removal from industrial and municipal wastewater. The focus is shifting from mere removal to resource recovery. This technology is expected to be adopted as a highly efficient recovery solution.
Global water treatment solution providers Environmental engineering firms Industrial wastewater system integrators
Agriculture & Livestock Industry
$6.5B globally (AI est.)
Recovering nutrients from livestock waste and agricultural runoff directly reduces environmental impact and fertilizer costs. This enables regional resource circulation and supports sustainable agricultural practices.
Large-scale livestock farms Agricultural cooperatives Sustainable farming enterprises
Waste Management & Recycling
$20B globally (AI est.)
Effective utilization of combustion ash contributes to reducing final waste disposal volumes and accelerates the realization of a circular economy. This technology provides a model for creating new value from waste.
Waste-to-energy plant operators Industrial waste management companies Ash recycling specialists
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent was granted relatively quickly, within 16 months of filing, after successfully addressing examiner objections. The patent covers a broad scope with 11 claims, encompassing the method for producing fertilizer, the method for recovering fertilizer components, and the solid composition itself. This robust claim set, developed with expert legal counsel and validated through the examination process, provides a strong and stable foundation to protect a licensee's business.

Competitive White Space

This patent covers the method of fertilizer recovery and the solid composition. White space exists in developing advanced purification processes for specific high-value fertilizer applications or integrating this technology with novel industrial wastewater streams.

Economic Impact
~$100K/year estimated cost savings per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

For a facility processing 10,000 tons of wastewater annually, this technology could reduce chemical costs for fertilizer component recovery and waste disposal costs for sludge compared to conventional chemical precipitation. Specifically, assuming traditional treatment costs ~$200K (AI est.) annually, this technology, utilizing combustion ash and requiring no additional energy, could operate for ~$100K (AI est.) per year, resulting in estimated annual cost savings of ~$100K (AI est.). Additional revenue from selling the recovered solid fertilizer is also anticipated.

Speed to Market
4× faster than in-house development
Developing this technology in-house from scratch could take approximately 3.5 years for fundamental research, demonstration, and scale-up. However, licensing this patent could shorten the development period to approximately 1.0 year by leveraging an already established technical mechanism. Since the reaction occurs at ambient temperature and pressure, integration into existing stirring and sedimentation equipment is straightforward, allowing for rapid deployment without significant capital investment or complex adjustments. This could substantially reduce time-to-market and enable swift business expansion.
Competitive Positioning

X: Operational Cost Efficiency
Y: Environmental Impact Reduction

Business Models & Applications
🌱 Solid Fertilizer Manufacturing & Sales
Leverage this technology to manufacture and directly sell solid fertilizers, primarily composed of recovered phosphate and ammonium from wastewater, to agricultural producers and the horticulture market. Low-cost production could ensure high-profit margins.
🤝 Technology Licensing
License the manufacturing and recovery process technology to fertilizer manufacturers and water treatment plant providers. This model focuses on royalty income to accelerate widespread market deployment.
♻️ Wastewater Treatment Contract Services
Offer fertilizer component recovery services using this technology to companies and municipalities with industrial or livestock wastewater rich in phosphate and ammonium. Propose solutions for treatment cost reduction and resource valorization, earning service fees.
Adjacent Application Opportunities
🏭 食品加工業
Nutrient Recovery from Food Processing Wastewater
Apply this technology to recover phosphate and ammonium from nutrient-rich wastewater discharged by food processing plants. The recovered solid composition could be repurposed as feed additives or soil conditioners, reducing waste by up to 20%.
💧 下水処理
Phosphorus and Nitrogen Recovery in Municipal Wastewater Treatment
Implement this technology in municipal wastewater treatment plants to efficiently recover high-concentration phosphorus and nitrogen, which are typically discarded. These recovered components could then be supplied as agricultural fertilizer within the region, potentially offsetting 10-15% of local fertilizer demand.
🔋 資源リサイクル
Phosphate Recovery from Spent Batteries
Utilize this technology as a pre-treatment step for efficiently recovering phosphate from spent products like lithium-ion batteries. This could enable a low-cost and environmentally friendly recycling process for critical phosphorus resources, improving recovery rates by up to 25%.
Integration Roadmap — Estimated 12-Month Deployment
Phase 1: Technical Feasibility Assessment & Basic Design
Duration: 3 months
Analyze the licensee's wastewater characteristics and combustion ash composition to evaluate the technology's applicability and recovery efficiency. Develop a basic design for the optimal process flow and equipment layout.
Phase 2: Pilot Plant Development & Validation
Duration: 6 months
Construct a small-scale pilot plant based on the basic design. Conduct recovery tests using actual wastewater to validate and optimize recovery rates, solid composition quality, and cost performance.
Phase 3: Full-Scale System Implementation & Operational Optimization
Duration: 3 months
Proceed with the design and implementation of the full-scale system based on pilot validation results. After implementation, optimize the recovery process efficiency and economic viability through continuous operational data collection and analysis.
Technical Feasibility
This technology is based on fundamental physicochemical processes like stirring and sedimentation at ambient temperature and pressure, making it relatively easy to integrate into existing wastewater treatment facilities and chemical plants. It does not require special high-temperature/high-pressure reactors or advanced control systems, utilizing general-purpose stirring and sedimentation tanks. This makes it a highly feasible technology for adoption with reduced new equipment investment.
Success Scenario
Implementing this technology could reduce a licensee's wastewater treatment costs by approximately 30% annually. Simultaneously, combustion ash, previously a waste product, would be effectively utilized, and phosphate and ammonium from wastewater could be recovered as valuable fertilizer components. This is estimated to reduce fertilizer purchasing costs, promote circular economy management, and enhance corporate ESG ratings while creating new revenue streams.
Patent Record
APPLICATION NO.
特願2020-190173
REGISTRATION NO.
7609347
FILING DATE
2020/11/16
GRANT DATE
2024/12/23
EXPIRATION DATE
2040/11/16
PATENT HOLDER
国立研究開発法人農業・食品産業技術総合研究機構
Examination History
2023年07月31日
出願審査請求書
2024年06月04日
拒絶理由通知書
2024年07月23日
意見書
2024年07月23日
手続補正書（自発・内容）
2024年11月12日
特許査定