N.E. CHEMCAT Business Fields
N.E. CHEMCAT contributes to achieving a sustainable and quality global environment and affluent
society through the provision of catalysts that support a wide range of industries and help solve
social challenges.

Process Catalysts

Exhaust Catalysts

Process catalysts are used for accelerating chemical reactions or

Substances emitted from plants and other stationary sources

selectively producing specific compounds, and are indispensable

and from the internal combustion engines of vehicles and oth-for industrial manufacturing. We develop and manufacture pro-er machinery are harmful to the environment and to the humancess catalysts used in a variety of fields, from energy plants tobody. Exhaust catalysts convert such harmful substances into

the manufacturing of pharmaceuticals, agrochemicals, fertilizers,

harmless substances through chemical reactions and thereby

and organic electroluminescence. Through these activities, we

make a substantial contribution to solving air pollution and otherprovide support to many aspects of society, from cutting-edge

environmental challenges.

industries to the everyday lives of citizens.

ProductsProducts

Fine Chemical Catalysts

Stationary Off-Gas Treatment Catalysts

Fine chemical catalysts are used in the process of manufacturing high value-added

The hydrocarbons (HC) and carbon monoxide (CO) contained in industrial emissions

chemicals such as pharmaceuticals and agrochemicals. They are used to produce

are the main sources of air pollution and are a big problem for society as whole. N.E.

antidiabetic and antihypertensive medicine, antibiotics, and other medicine, andCHEMCAT helps to prevent air pollution by providing DASH catalysts that remove

improve agricultural productivity, thereby supporting the lives of everyone. Finevolatile organic compounds (VOCs) and other contaminants contained in exhaustchemicals also require a high degree of purity and are manufactured through pro-gas from plants and recover and reuse the thermal energy emitted from them.

duction processes that involve many stages and which generate a great deal ofwaste. There have been demands to reduce waste generation in recent years andGasoline Auto Exhaust Catalysts

fine chemical catalysts possessing high activity and selectivity are contributing toGas exhaust from gasoline engines contains carbon monoxide (CO), hydrocarbons

more efficient production with a lower environmental impact.

(HC), and nitrogen oxides (NOx), which are harmful substances. We help to prevent
air pollution by providing three-way catalysts that convert these harmful substances
into the harmless substances, carbon dioxide (CO2), water (H2O), and nitrogen (N2).

Gas Purification Catalysts

Regulations on vehicle emissions and fuel efficiency continue to grow stricter world-

Gas purification catalysts refine inert gas to an ultra-high degree of purity by re-wide year after year. We are working to prevent global warming and solve environ-moving minute impurities such as oxygen (O2), carbon dioxide (CO2), hydrogen (H2),mental challenges by working together with automotive manufacturers to developand moisture. The catalysts are used in the chemical, steel, machine, and manyand manufacture high-quality catalysts that have superior durability and good puri-other industries with a high need for ultrapure gas. We are also developing meth-fication performance, and low-temperature and high heat-resistance performance.

anation to recycle CO2 and produce methane, the main raw material in city gas, andother carbon recycling technologies aimed at achieving carbon neutrality.

Diesel Auto Exhaust Catalysts
Diesel engines emit less CO2 than gasoline engines, but exhaust higher amounts

Petrochemical Catalysts

Providing value to society

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of sulfuric acid mist, other particulate matter (PM), and nitrogen oxides (NOx), inCatalysts are essential to the petrochemical and petroleum refining processes andaddition to soluble and insoluble organic compounds. To address these problems,

have contributed greatly to the development of the industry to where it is today.

we are developing and manufacturing catalysts that can be adapted to various

We support affluent living by providing the catalysts needed to produce basic

post-treatment systems such as diesel particulate filters (DPF) to capture particu-

chemicals used in manufacturing apparel, carpet, plastics, and other petrochemi-

late matter (PM) and convert into CO2 and selective catalytic reduction (SCR) cata-

cal products, as well as catalysts that serve as the raw material for the gas barrier

lysts to treat nitrogen oxides (NOx). These catalysts render such substances harm-films widely used in food packaging and for other purposes in recent years.

less and help to protect the global environment.

Supporting industrial development and flourishing lifestyles

Providing value to society

Promoting a livable planet by eliminating substancesthat are harmful to humans and nature

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N.E. CHEMCAT Business Fields

Catalysts for Fuel Cell Applications

Precious Metal Recycling

Fuel cells, which generate electrical energy through the reac-N.E. CHEMCAT separates and recovers precious metals fromtion of hydrogen and oxygen, are attracting increasing atten-spent catalysts, including platinum (Pt), palladium (Pd), rhodiumtion as a clean energy technology. We develop and manufacture(Rh), ruthenium (Ru), and gold (Au). Our proprietary process al-

electrode catalysts for fuel cell vehicles (FCVs), and reforming

lows impurities to be removed and the precious metals to be re-catalysts and preferential oxidation (PROX) catalysts needed to

fined to a high degree of purity.

produce hydrogen gas, and we are working to develop a hydro-We also have precious metal reduction technology to formu-gen-based society.

late catalysts that use fewer precious metals while offering performance that is equal to or better than conventional catalysts. We
are helping to conserve scarce precious metal resources by pro-Products
Catalysts for FCVs

viding integrated services, from the development and manufacture of catalysts to the recovery and refining of precious metals.

We develop and manufacture electrode catalysts for FCVs, which are drawing inter-Initiatives

est as zero-emission vehicles that will help achieve carbon neutrality. We are focusing on improvement of platinum (Pt) catalysts and development of next-generation
catalysts (platinum alloy catalysts and platinum core-shell catalysts) and are contrib-

Initiatives Targeting Effective Use of Precious Earth Resources

uting to resource recycling up to precious metal recovery from electrode catalysts.

Electrode Catalysts for Stationary Use
Fuel cells use hydrogen to generate heat and electricity, and are an essential

Technology to reduce use of
precious metals

Precious metal recovery
technology

Reduction in use of precious metals by improving
catalyst activity and durability

Recovery and refining of high-quality precious metalsthrough the proper extraction and recovery technology

system for hydrogen use. For stationary fuel cells, we develop and manufacturereforming catalysts that convert methane to hydrogen, such as catalysts needmonoxide (CO). We will continue our work to provide catalysts offering even highDevelopment
andmanufacturingperformance and will support the proliferation of clean energy as the demand for(Catalysts)

ed to produce hydrogen from city gas, and PROX catalysts that remove carbon

Use(Catalysts)

Recovery(Precious metals)

Refining(Precious metals)

it continues to grow in the future.

Catalysts for Hydrogen Value Chain
The use of catalysts is being considered for each step of hydrogen production,

The Numazu Plant has been involved in the precious metal recycling businessstorage, transport, and use. Reforming catalysts and PROX catalysts are used in thesince N.E. CHEMCAT was first established.

production process, and the use of catalysts is also promising for the technology toIn addition to metal recovery, our recycling technology is also used for refin-extract hydrogen from hydrogen carriers in the storage and transport steps. Cata-ing high-purity adsorbents for waste treatment and high-purity semiconductor

lysts are also effective at removing nitrogen oxides (NOx), nitrous oxide (N2O), andencapsulants and raw materials for encapsulants.

other harmful substances generated by mixed combustion of hydrogen and ammonia (NH3) during use. These hydrogen-related catalysts support the hydrogenvalue chain and help solve environmental, resource, and other social challenges.

Providing value to society

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Facilitating the adoption of clean energy and promoting
a sustainable society

Providing value to society

Promoting the effective use of scarce resources and helping
to build to a recycling-oriented society

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