Development of Products and Services That Contribute to Resolving Environmental and Social Issues

Nippon Sanso Holdings aims to realize a sustainable society and global environment through the industrial gases business. The Nippon Sanso Holdings Group considers air to be a precious natural resource, and the global environment to be irreplaceable. We naturally consider it our mission to maintain the global environment in a sustainable condition for the future. The Group will develop a variety of products that contribute not only to the global environment but also to efficiency gains in work-style reforms at customers’ plants and propose them to the market.

IGSS—A New Gas Supply System That Meets Customer Needs for Converting to Smart Factories and Realizes Labor Saving and Digitalization of the Gas Industry

  • Energy saving
  • Operating efficiency gains
  • Work-style reforms

The stable supply of gas and monitoring of equipment along with daily container exchange operations play an important role in ensuring the production, quality, and safety of customers’ products. IGSS is digital innovation technology using the IoT and RPA as an initiative for the fourth industrial revolution. It was developed as a next-generation gas supply system that incorporates the Company’s gas handling expertise accumulated over many years. By realizing a society in which humans and robots work together cooperatively, and providing new additional service, we will contribute to operating efficiency gains and labor saving for our customers.

IGSS System

  • C-drive : Automated container conveyor system
  • LUM-system: Container management database system
  • C-eyes: Constant inspection support
  • U-NACS II tab: Tablet operating Gas Cabinets
  • C-recorder: Operation recorder
  • TELEOS-i: High-performance monitoring system

Reference: News release (in Japanese only)


C-drive—A robotic system for automated conveyance of gas containers
C-drive—A robotic system for automated conveyance of gas containers

Oxygen Combustion Technology Contributed to Energy Saving and CO2 Emissions Reduction

  • Energy saving
  • Reduction of air pollution

Taiyo Nippon Sanso promotes the development of oxygen combustion technologies for a broad range of applications, contributing to energy saving and emissions of substances harmful to the environment. For example, we have developed a combustion technology whereby high-purity oxygen is added to atmospheric air, increasing the oxygen concentration to 21% or higher, which boosts combustion efficiency. This facilitates a higher burner flame temperature while at the same time lowering the concentration of NOx, thereby reducing NOx in emissions and thermal losses. This technology is used in a variety of applications, where it contributes to both energy saving and CO2 emissions reduction, including high-temperature heating furnaces and melting furnaces.

This achievement has its origins in an oxygen burner technology introduced from U.S. firm Air Reduction Company in 1970, in which fuel (mainly heavy oil) and oxygen were injected into a nozzle tip, diffused, and combusted. Attaching a nozzle and oxygen burner to a smelting or sintering furnace thus made it possible to improve productivity. In the United States, the technology was commonly used in aluminum smelting, but in Japan it first became popular as a way to reduce energy consumed by electric furnaces, after which use expanded to include other industrial furnaces, including aluminum melting furnaces, refractory cement melting furnaces, and aluminum oxide kilns. Taiyo Nippon Sanso has responded by developing a lineup of products suited to diverse needs, including the SCOPE-Jet® swing burner, which substantially reduces power consumption, and Innova-Jet®, which achieves a significant reduction in NOx generation during oxygen-enriched combustion.

The Innova-Jet® swing burner directs flames efficiently and evenly over a wide area via self-induced oscillation.
The Innova-Jet® swing burner directs flames efficiently and evenly over a wide area via self-induced oscillation.

SF6 Gas Recovery Service Realized Using Proprietary Technologies

  • Prevention of global warming

SF6 gas is a type of greenhouse gas known as sulfur hexafluoride. Used in voltage transformers and high-voltage electrical equipment, it has a global warming potential (GWP) around 20,000 times that of CO2. In addition, on sites where SF6 gas is used, the purity decreases after recovery, making it unsuitable for reuse. Taiyo Nippon Sanso Group company Taiyo Nippon Sanso Higashikanto Corporation has addressed this issue using proprietary technologies developed in-house to provide a comprehensive service for recovering SF6 gas, processing it for reuse, and detoxifying and recycling it. We aim to achieve zero emissions to contribute to preservation of the global environment and realize a recycling society.

We supply all equipment and services related to SF6 recovery.
We supply all equipment and services related to SF6 recovery.

NeoKelvin ®-Turbo 10 kW Large-Capacity Turbo-Brayton Refrigerator for Superconducting Power Cables

  • Energy saving

In the area of superconducting power cables, practical development is expected to yield benefits in the form of a stable power grid and reduced costs. Of particular note, efforts to achieve commercialization are progressing overseas, fueled by growing demand for electric power. In response to rising needs, in May 2013 Taiyo Nippon Sanso launched the NeoKelvin®-Turbo 2 kW, a Turbo-Brayton refrigerator developed specifically for this application that uses neon gas as a refrigerant. In July 2016, we commenced sales of NeoKelvin®-Turbo 10 kW, a large-capacity Turbo-Brayton refrigerator. While NeoKelvin®-Turbo 2 kW is only capable of cooling test-scale superconducting power cables several hundred meters long, NeoKelvin®-Turbo 10 kW facilitates the cooling of cables upwards of 1.0 km. A prototype of the NeoKelvin®-Turbo 10 kW is currently being used to cool cables in a superconducting power cable verification test being conducted jointly by Korea Electric Power Corporation and LS Cable & System Ltd. on the Korean island of Cheju. In July 2019, actual transmission of electric power through these cables began, marking the first time a Turbo-Brayton refrigerator has been used commercially for cooling superconducting power cables.

NeoKelvin®-Turbo 10 kW large-capacity Turbo-Brayton refrigerator
NeoKelvin®-Turbo 10 kW large-capacity Turbo-Brayton refrigerator

Energy-Saving Ultra-Large-Scale Air Separation Unit

  • Energy saving

Air separation units take in atmospheric air and produce gases, notably oxygen and nitrogen, through liquefaction and separation.
Taiyo Nippon Sanso’s ultra-large-scale air separation unit offers distinct advantages over its predecessors in terms of energy efficiency, reducing energy consumption per unit of gas produced by approximately 15%. This accomplishment reflects three key improvements:

  1. Increased operating efficiency, achieved by boosting the size of the unit as a whole and of the air compressor;
  2. Reduced air compressor power requirements, attributable to the use of a low pressure-loss packed column; and
  3. Reduced air compressor energy consumption, a result of the use of a downflow condenser reboiler

Ultra-large-scale air separation unit
Ultra-large-scale air separation unit

Nitrocube ® RE-LT Series of High-Performance PSA Nitrogen Generators

  • Energy saving

Pressure-swing adsorption (PSA) nitrogen generators capitalize on differences in the properties of the adsorbent used to continuously extract nitrogen while alternately pressurizing and depressurizing compressed air. In addition to achieving performance improvements by modifying its in-house adsorbent technologies and by combining a newly developed proprietary gas separation process with a control technology that optimizes the action of the compressor in accordance with the amount of nitrogen generated, Taiyo Nippon Sanso succeeded in reducing energy consumption. Thanks to these energy-saving technologies, Nitrocube® RE-LT series’ PSA nitrogen generators are eligible for a tax scheme in Japan designed to help strengthen small and medium-sized enterprises.

LT-F nitrogen supply system for laser cutting machines
LT-F nitrogen supply system for laser cutting machines

JN Series and MG Series of Nitrogen Generators

  • Energy saving
  • Reduction of air pollution
  • Reduction of noise and vibration

We install nitrogen generators at the sites of customers that consume a large volume of nitrogen. We use an environment-friendly production process that unlike conventional processes does not require the use of chlorofluorocarbon (CFC) refrigerators. The JN series of nitrogen generators are standardized units with advanced noise reduction features. Thanks to process modification, the MG series delivers increased nitrogen yield, achieving a reduction in energy consumption per unit of gas produced of approximately 20%. Taiyo Nippon Sanso also provides high-volume supply systems that achieve a reduction of approximately 30%.

Nitrogen generator
Nitrogen generator

Thermos
Thermos Vacuum-Insulated Products

  • Energy saving

The Thermos business of subsidiary Thermos K.K. capitalized on its vacuum insulation technologies cultivated in the industrial gases business to develop the world’s first vacuum-insulated stainless steel bottle in 1978. The Thermos lineup also includes portable vacuum-insulated mugs for hot and cold beverages and sports-use vacuum-insulated beverage bottles, as well as the Shuttle Chef series of vacuum-insulated thermal cooking pots, which continue to cook food with residual heat after being heated for only a short time. All of these products have earned certification under Japan’s Eco Mark program.
In line with its goal of providing solutions that enhance lifestyles and are environment-friendly, Thermos continues to promote the development of a variety of products that reduce resource use and contribute to environmental protection.

【Cold Retention: Vacuum-Insulated Container vs. PET Bottle】
Cold Retention: Vacuum-Insulated Container vs. PET Bottle

【Heat Retention: Shuttle Chef vs. Standard Pot】
Heat Retention: Shuttle Chef vs. Standard Pot

Shuttle Chef
Shuttle Chef

Package-Type Hydrogen Refueling StationHydro Shuttle

  • Prevention of global warming
  • Reduction of air pollution

Hydro ShuttleThe Hydro Shuttle ® package-type hydrogen refueling station integrates the four major components of a hydrogen refueling station—dispenser, pre-cooler, hydrogen compressor, and storage—into a single unit. These compact (9 m × 2 m × 2.6 m) units can be used not only as permanent stations but also as truck-mounted mobile stations. The package format significantly reduces the cost of installation, while the simplification of components means the cost of fabrication is only half that of conventional permanent stations. Because it can be used as a mobile station, a single Hydro Shuttle® offers promise for multiple applications, including on-site stations equipped with hydrogen production facilities, off-site stations that supply hydrogen produced at facilities elsewhere, and traveling stations that transport hydrogen from one location to another.
In 2017, Taiyo Nippon Sanso started operation of Nimohys Hydrogen Station Minami-Rokugo and Nimohys Hydrogen Station Setagaya, operated by Nippon Mobile Hydrogen Station Services, LLC (nicknamed “Nimohys”). Looking ahead, we will continue working to realize an energy-conscious society.

Mobile hydrogen station1
Mobile hydrogen station2

Mobile hydrogen stationHydro Shuttle

Biogas Refining Units

  • Prevention of global warming

Our biogas refining units, which employ ordinary-pressure regenerative PSA, are capable of increasing the purity of methane gas to 98% or higher. We recently developed a low-cost compact unit suitable for the small- and medium-scale decentralized biogas plants used by dairy farmers and food processing factories.
Because high-purity methane gas separated and refined from biogas can be used with city gas appliances, it offers promise as carbon-neutral energy that can be produced locally for local consumption, contributing to environmental preservation.

Biogas refining unit
Biogas refining unit

Sun Cutter® HL-1 Gas Cutting Fuel Gas

  • Prevention of global warming
  • Operating efficiency gains
  • Work-style reforms

Gas cutting is a process that uses fuel gases and oxygen to cut steel. Taiyo Nippon Sanso has developed and launched Sun Cutter® HL-1, a flammable gas for this application, the principal component of which is hydrogen. Because it emits almost no CO2, Sun Cutter® HL-1’s environmental impact is minimal. It also enhances work environments by suppressing radiant heat.
It also delivers an excellent cutting performance thanks to a cutting speed 1.4 times faster than existing products, lower thermal distortion, and improved cut surface quality.

Index of CO2 Emissions (LPG=100)
Index of CO2 Emissions (LPG=100)

Sun Cutter® HL-1
Sun Cutter® HL-1

Cutting steel with Sun Cutter® HL-1Cutting steel with Sun Cutter®HL-1

New Compact Combustion-Type Exhaust Gas Abatement System

  • Prevention of global warming
  • Reduction of air pollution

Gas abatement systems contribute to the prevention of global warming and reduced environmental impact by efficiently decomposing perfluorocarbon (PFC) gases used in electronics manufacturing, which have a long atmospheric lifetime.
Leveraging related combustion technologies, Taiyo Nippon Sanso developed a new burner that can be installed near the dry pump outlet downstream in the chemical vapor deposition (CVD) system that isolates chambers, reducing the need for previously essential nitrogen and exhaust piping for exhaust gas dilution. By reducing necessary utilities, this unit achieves a reduction in CO2 emissions attributable to exhaust gas abatement systems of 50 to 60% compared with existing models.

New compact combustion-type exhaust gas abatement system: Flames in burner
New compact combustion-type
exhaust gas abatement system:
Flames in burner

New compact combustion-type exhaust gas abatement system: Overall drawing
New compact combustion-type exhaust gas abatement system: Overall drawing

NACS HEAT® Liquefied Gas Cylinder Heating System

  • Prevention of global warming
  • Reduction of air pollution

We recently added NACS HEAT®, a liquefied gas cylinder heating system for use with our U-NACS II automated cylinder cabinet. This energy-efficient system achieves significantly higher energy conversion efficiency than conventional systems using heating blankets or jacket heaters. In addition, an interlock function that links the system to the cabinet itself ensures a safe and stable supply.

Comparison with conventional systems
  • Electric power consumption: -50%
  • Facility costs: -50%
  • Supply capacity: 2–3 times
  • Space required: -30%

NACS HEAT® used with a 1,860-liter cylinderNACS HEAT® used with a 1,860-liter cylinder

Installing NACS HEAT® on a 47-liter cylinderInstalling NACS HEAT® on a 47-liter cylinder

Pesticide system for spider mites using carbon dioxide gas to increase agricultural production

  • Operating efficiency gains
  • Food safety

Nippon Ekitan Corporation sells a system for exterminating spider mites, a pest that affects strawberry cultivation, using pesticide carbon dioxide gas.
Conventional damage is controlled using chemical pesticides and predator mites. However, spider mites have become increasingly tolerant of pesticides, and natural predator mites have sometime been unsuccessful at removing spider mites from strawberries.
Nippon Ekitan has combined its carbon dioxide gas fumigation technology with the spider mite removal technologies of Utsunomiya University to develop a pesticide carbon dioxide gas system to eliminate strawberry spider mites. Carbon dioxide gas is non-toxic, non-flammable, less reactive with other chemicals, and does not adhere to or remain on processed strawberry seedlings. “Ekika Tansan Gas - Agurikun ®” is a product registered and approved based on the Agricultural Chemicals Control Law as carbon dioxide gas used for spider mite extermination.

ukusuku ® bag
The highly gas-tight "Sukusuku ® bag" kills adults and eggs of spider mites that inhabit strawberry seedlings by enclosing the pesticide " Ekika Tansan Gas - Agurikun ®" after putting seedlings in the bag.

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