Top 5 Air Pollution Control System Suppliers in Japan [2025]

With a legacy spanning over 130 years, Sumitomo Heavy Industries (SHI) has evolved from a traditional machinery manufacturer to a global leader in environmental technology. Their Environmental Solutions division, established in the early 2000s, has become a cornerstone of Japan’s APC market, known for its integrated systems that tackle air pollution at every stage—from collection to purification.

At the heart of SHI’s offerings is their air pollution control system , a modular solution tailored to diverse industries. What sets them apart is their focus on adaptability: whether it’s a small-scale lithium battery recycling plant or a large chemical factory, their systems can be customized to handle specific pollutants like sulfur oxides, nitrogen oxides, and particulate matter. For instance, their air pollution control system for li battery recycling plant has gained traction in recent years, designed to capture harmful gases released during battery crushing and separation processes. These systems use a combination of dry scrubbers and high-efficiency particulate air (HEPA) filters, ensuring emissions meet Japan’s strict JIS standards and even the EU’s stringent REACH regulations.

SHI’s technical edge lies in their proprietary “Smart Purification” technology, which integrates IoT sensors and AI algorithms to monitor pollutant levels in real time. This allows the system to adjust airflow and chemical injection rates automatically, optimizing energy use by up to 30% compared to conventional systems. Clients often highlight the user-friendly interface, which provides detailed performance reports and predictive maintenance alerts, reducing downtime significantly.

In terms of market presence, SHI has a strong global footprint, with installations in over 40 countries. Their recent projects include a state-of-the-art APC system for a major lithium battery recycler in South Korea, which processes 2,500 kg of battery waste per hour while maintaining emissions well below local limits. Feedback from clients often emphasizes reliability—many report system uptime exceeding 98% even in continuous operation scenarios.

Beyond technology, SHI’s commitment to sustainability extends to their manufacturing processes. Their Osaka-based factory runs on 100% renewable energy, and they offer a “Lifecycle Partnership” program, where they assist clients in upgrading or retrofitting existing systems to avoid unnecessary waste. This holistic approach has earned them recognition from the Japanese Ministry of Environment, which awarded them the Green Technology Excellence Award in 2024.

Mitsubishi Heavy Industries (MHI) needs little introduction in the industrial world, but their Environmental & Chemical Engineering division has quietly become a powerhouse in the APC sector. Leveraging MHI’s vast experience in heavy machinery and energy systems, this division specializes in large-scale, high-performance air pollution control solutions that cater to the most demanding industrial environments.

One of MHI’s flagship products is their air pollution control system , which has become a staple in sectors like metal smelting, waste incineration, and electronic waste recycling. What makes their systems stand out is their ability to handle high-temperature and high-humidity environments—a common challenge in recycling plants where materials are often processed at extreme temperatures. For example, their system for circuit board recycling plants combines a ceramic filter with a regenerative thermal oxidizer (RTO), efficiently breaking down volatile organic compounds (VOCs) and capturing fine metal particles released during shredding and separation.

Innovation is at the core of MHI’s approach. Their latest breakthrough, the “EcoCycle” system, uses a closed-loop design that recycles heat from the purification process to preheat incoming polluted air, reducing energy consumption by up to 45%. This is particularly valuable for clients in energy-intensive industries, where operational costs are a major concern. Additionally, their systems are built with durability in mind—components like filter media and fan blades are made from heat-resistant alloys, extending service life to 5–7 years, far longer than the industry average of 3–4 years.

MHI’s market strategy focuses on long-term partnerships, often collaborating with clients from the design phase to ensure systems align with specific operational needs. A notable example is their work with a leading Japanese automobile manufacturer, where they developed a custom APC system for a battery production line. The system not only removes harmful solvents but also recovers 90% of valuable metals from the exhaust stream, turning waste into a revenue stream for the client.

Global expansion has been a key priority for MHI, with recent investments in production facilities in Southeast Asia and Europe. Their European branch, based in Germany, has become a go-to supplier for the region’s growing electronic waste recycling sector, thanks to their systems’ compliance with the EU’s Waste Electrical and Electronic Equipment (WEEE) Directive. Clients praise their after-sales support, with a 24/7 technical hotline and local service teams in major markets ensuring quick response times.

Ebara Corporation, a name synonymous with fluid dynamics and environmental engineering, has carved a niche in the APC market with its focus on compact, high-efficiency systems. Founded in 1912, the company has a long history of innovation, and their Environmental Plants Division continues this tradition by targeting small to medium-sized enterprises (SMEs) that need effective pollution control without the footprint of large-scale industrial systems.

Ebara’s air pollution control system lineup includes the “EcoClean Mini” series, designed specifically for facilities like small-scale lithium battery recycling workshops, cable recycling plants, and scrap metal processing yards. These systems are compact enough to fit in tight spaces—some models measure just 2m x 3m—yet deliver performance comparable to larger units. For example, their EcoClean Mini 500, popular among cable recyclers, handles up to 500 cubic meters of air per minute, capturing over 99% of metal dust and insulation particles generated during cable stripping and shredding.

What truly distinguishes Ebara is their emphasis on user-friendliness and low maintenance. Many SMEs lack dedicated environmental engineers, so Ebara’s systems are designed for plug-and-play operation, with intuitive controls and automated cleaning cycles for filters. The “SelfClean” feature, a proprietary technology, uses compressed air pulses to dislodge accumulated dust from filter elements, reducing the need for manual cleaning from monthly to quarterly intervals. This has made them a favorite among small recyclers in Japan and Southeast Asia, where labor costs and technical expertise can be limiting factors.

Despite their focus on SMEs, Ebara doesn’t compromise on technology. Their systems incorporate advanced materials like nano-ceramic filter coatings, which enhance dust capture efficiency while resisting corrosion from acidic gases—a common issue in battery recycling. They also offer a range of add-ons, such as odor control modules using activated carbon filters, which are essential for facilities located near residential areas.

Market-wise, Ebara dominates the domestic Japanese SME segment, with an estimated 40% market share. Internationally, they’ve seen growing demand in countries like Vietnam and Thailand, where governments are tightening environmental regulations but local businesses need affordable solutions. A recent case study from a Vietnamese cable recycling cooperative highlights this: after installing three EcoClean Mini systems, the cooperative not only passed government inspections but also reported a 20% reduction in respiratory complaints among workers, improving overall productivity.

Ebara’s commitment to accessibility extends to pricing as well. They offer flexible financing options, including lease-to-own plans, making their systems accessible to businesses with limited upfront capital. This customer-centric approach has earned them a loyal following, with repeat clients often expanding their Ebara systems as their operations grow.

Kawasaki Heavy Industries (KHI) is another Japanese industrial giant with a strong presence in the APC sector, known for its focus on heavy-duty, high-capacity systems. While they’re widely recognized for their shipbuilding and aerospace divisions, their Environmental Systems arm has quietly built a reputation for handling some of the most challenging pollution control scenarios, particularly in mining, metal refining, and large-scale waste-to-energy plants.

KHI’s air pollution control system offerings are built around their “MegaClean” platform, designed for facilities processing over 10,000 kg of waste per day. These systems are engineered to handle high concentrations of pollutants, such as the sulfur dioxide and heavy metals released during metal melting furnace operations. A key application is in lead acid battery recycling plants, where their systems use a two-stage process: first, a wet scrubber to remove acid gases, followed by an electrostatic precipitator (ESP) to capture fine lead particles. This combination ensures emissions are reduced to near-zero levels, critical for compliance with global standards like the US EPA’s National Emission Standards for Hazardous Air Pollutants (NESHAP).

What sets KHI apart is their expertise in integrating APC systems with existing industrial processes. Their engineering teams work closely with clients to conduct detailed process audits, identifying bottlenecks and optimizing system design to minimize disruption. For example, when retrofitting an APC system for a copper smelter in Chile, KHI’s team redesigned the ductwork to improve airflow, reducing energy consumption by 15% while increasing pollutant capture efficiency by 5%. This ability to balance performance and integration has made them a preferred partner for large industrial facilities undergoing environmental upgrades.

Technologically, KHI invests heavily in R&D, with recent breakthroughs in plasma-assisted purification. Their experimental “PlasmaClean” system uses high-temperature plasma arcs to break down stubborn pollutants like dioxins and furans, which are common in waste incineration. While still in limited production, early adopters in Japan’s waste management sector report dioxin removal rates exceeding 99.9%, far higher than traditional methods.

Global projects have been a focus for KHI, with major installations in Australia, Brazil, and the Middle East. Their most ambitious project to date is a custom APC system for a mega-scale lithium ore extraction plant in Australia, which processes over 50,000 tons of ore daily. The system, one of the largest in the world, uses a combination of bag filters and selective catalytic reduction (SCR) to control dust and nitrogen oxides, ensuring the plant meets Australia’s strict environmental guidelines for mining operations.

Clients often highlight KHI’s long-term reliability, with many systems operating continuously for 10+ years with minimal upgrades. Their after-sales service includes regular on-site inspections by specialized engineers, and they offer comprehensive training programs for client staff to ensure optimal system performance over time.

Rounding out our list is JGC Holdings, a company best known for its engineering, procurement, and construction (EPC) projects in the energy and chemical sectors. In recent years, their Clean Energy & Environment Division has emerged as a key player in the APC market, focusing on turnkey solutions that combine air pollution control with broader environmental management systems.

JGC’s approach is unique: instead of selling standalone air pollution control system units, they offer integrated environmental packages that include air purification, wastewater treatment, and waste management. This holistic strategy appeals to large industrial clients looking to streamline their environmental compliance efforts. For example, their “EcoSphere” package for lithium battery recycling plants includes not only an APC system but also water treatment equipment to handle process wastewater and a solid waste management system for sludge and residues. This one-stop-shop model reduces coordination headaches for clients, as all systems are designed to work seamlessly together.

At the core of their APC offerings is their “MultiPollutant” system, which targets multiple pollutants simultaneously—sulfur oxides, nitrogen oxides, VOCs, and particulate matter—in a single unit. This is achieved through a layered design: a low-temperature plasma reactor for NOx reduction, a dry sorbent injection system for SOx removal, and a fabric filter for particulates. This compact design saves space and reduces capital costs by up to 25% compared to installing separate systems for each pollutant.

JGC’s strength lies in their EPC expertise, which allows them to manage large-scale projects from concept to commissioning. Their team includes environmental engineers, process specialists, and construction managers, ensuring that every aspect of the system—from ductwork layout to control software—is optimized for the client’s specific needs. A recent example is their work with a major electronics manufacturer in Taiwan, where they designed and built an environmental management system for a new circuit board recycling plant. The project, completed in just 14 months, included an APC system that handles emissions from both dry and wet processing lines, ensuring the plant meets Taiwan’s rigorous air quality standards.

Innovation is also a priority for JGC, particularly in the area of carbon footprint reduction. Their systems are designed to be energy-efficient, and they offer carbon capture add-ons for clients looking to reduce their overall greenhouse gas emissions. For instance, their “CarbonSave” module captures CO2 from APC exhaust streams, which can then be reused in industrial processes or stored underground, aligning with global net-zero goals.

While JGC’s primary market is large industrial clients, they’ve recently expanded into the renewable energy sector, providing APC systems for biomass power plants and green hydrogen production facilities. Their ability to adapt their technology to emerging industries has positioned them well for future growth, as the world transitions to a low-carbon economy.