© 2020 Nippon Denko Co., Ltd.
April 2020
zX
Nippon Denko Compendium 2020
© 2020 Nippon Denko Co., Ltd. zX
Functional Materials
Environment
Electric Power
■ Research and Development
Contents
■ Company Overview
Ferroalloys
Company Overview
Business sectors and products
History
What are ferroalloys?
Ferroalloys, materials essential to steel
How are ferroalloys made?
Global crude steel production in each country and ferroalloyproduction by productFerroalloy production in Japan: Ferromanganese is produceddomesticallyFerroalloy raw material: Global production and trade inmanganese oreFerroalloy market prices and manganese ore prices
Business strategy of Nippon Denko
Ferroalloys business
SLP ferromanganese
Resource strategy and optimal location are the way to win out over rivalsKudumane manganese mining area
Functional materials products
Cathode material for lithium ion batteries
Metal hydride alloys
Ferro boron
Manganese inorganic chemical products
Zirconium oxide
Zirconium oxide ~ Expanding application to new fields ~
What are environmental recycling systems?
Melting and Solidification of Incineration Ash in Electric Furnace
Electric power businesses
Research and Development
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4
5
7
8
9
10
11
12
13
15
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19
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© 2020 Nippon Denko Co., Ltd. zX
Company Overview
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© 2020 Nippon Denko Co., Ltd. zX
Established
Head Office
Employees
Business
Group Affiliates
Scale : Consolidated
Stock
October 1925
1-4-16, Yaesu, Chuo-ku, Tokyo
957 : Consolidated / 480 : Non-consolidated
7 domestic, 2 overseas affiliates
(FY 2019)
(As of December 31, 2019)
Ferroalloys / Functional Materials / Environment / Electric Power
Net sales 70,477Total assets 85,224Owner’s equity 54,609Capital 11,042Interest-bearing Liabilities 13,987
mil. yen
Tokushima Plant: Ferroalloys and Functional materialsResearch Laboratory
Toyama Plant (Imizu area): Functional materials
Hidaka Plant: ElectricityHoromangawa Hydroelectric Power Plant
Koriyama Plant: Environmental recycling systems
Tokyo Head Office
Toyama Plant (Takaoka area): Functional materials
Head Office, Manufacturing Bases
Kashima Plant: Ferroalloys and Melting solidification of incineration ash
Myoko Plant: Functional materials
3
Company Overview (As of December 31, 2017)
Company Overview
Outstanding shares 146,568,067
Kudumane Investment Holding (Hong Kong)
Overseas Affiliates
Pertama Ferroalloys(Malysia)
© 2020 Nippon Denko Co., Ltd. zX
Ferroalloys Ferroalloys Steel, stainless steel, and specialty steel
Functional Materials
Cathode material for Li-ion batteries
Metal hydride alloys
Ferroboron
Zirconium oxide
Boron oxide, boric acid
Manganese inorganic chemical products
Lithium-ion batteries
Nickel-metal hydride cells
Neodymium magnets, amorphous metals, Electronic parts
optical lenses glass, surface treatment
Supplements, additives for laminated ceramic capacitors, etc.
Environment
Chromic recovery, boron recovery,nickel recovery, water and wastewatertreatment facilities, Melting and solidification of incineration ash in electric furnaces
Surface treatment, electronic parts, automobile parts,industrial waste disposal plantsLocal governments and companies discharging industrial waste
Electric Power Electric power Power companies
Business Sectors and Products
4Company Overview
Sector Typical Products Markets
© 2020 Nippon Denko Co., Ltd. zX 5
History
Company Overview
1925 Ogaki Denki Yakin Kogyosho Co., Ltd. (later Nippon Denki Yakin Co., Ltd.) established, begins production and sale of various ferroalloys
1963 Nippon Denko Co., Ltd. formed with merger of Nippon Denki Yakin Co., Ltd. and Toho Denka Co., Ltd.
1969 Tokushima Plant built, begins operation (equipped with pier facilities and large electric furnace)
1970 Completed first electric furnace (40,000 KVA) at Kashima Plant.
1976 Began producing manganese inorganic chemical products at Taguchi Plant (current Myoko Plant)
1984 Begins production and sale of ferroboron using an electric furnace
1989 Begins production and sale of zirconium oxide
1996 ■ Begins sale of AQUA PACK cartridge-type demineralizer
1999 ■ Begins sale of MR-PACK pure water production unit
2000Completes expansion of ferroboron production facility Completes new zirconium oxide plant
■ Completes construction of boron recovery facility
2002■ Starts up nickel recovery and recycling■ Completed construction of waste melting furnace (EM1) at Kashima Plant and began treatment of industrial waste and special industrial waste.
2003 Acquires lithium manganese battery materials business
2004■ Starts fluorine and phosphorus recovery and recycling business / Begins delivery of pure water production units for fuel cell use■ Completed construction of waste melting furnace (EM2) at Kashima Plant.
2005 Installs an in-house power generator making use of gas from the electric furnace at the Tokushima Plant
2010 Completes first stage of large-scale plant for automotive battery materials
2011 Completes second stage of large-scale plant for automotive battery materials
2012 Invests in Pertama Ferroalloys Sdn. Bhd.
2013Acquires manganese mining interests in South Africa
■ Obtained approval for soil decontamination at Kashima Plant.
2014 Changes Japanese name upon merger with Chuo Denki Kogyo Co., Ltd. (English name unchanged)
2014 ■ Received facility accreditation under the Japanese government’s Feed-In Tariff (FIT) scheme for renewable energy sources
2018Merged with Chuo Denki Kogyo Co.,Ltd. Completely
■ Completed construction of waste melting furnace (EM3) at Kashima Plant.Begins the contract manufacturing of cathode materials for lithium-ion batteries asked from Sumitomo Metal Mining at Toyama Plant (Takaoka area)
2019 ■ Begins the operations at Horoman-gawa No. 3 Power Plant
Ferroalloys
Functional Materials
■ Environment
■ Electric Power
© 2020 Nippon Denko Co., Ltd. zX
Ferroalloys
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Iron ore
Limestone
Coal
Ferromanganese (main product)Silicomanganese
Make steel stronger
Ferrovanadium Oil well casings, line pipes, springs
Ferrochrome Stainless steel products
Ferrosilicon Deoxidizing
Typical ferroalloy products and applications
Ferroalloys are of vital importance in making steel, as they are a necessary “seasoning” found in every piece of steel.
Steelmaking process
Completion as steel
Converter furnace
Blast furnace
Coke
Sinter
Ferroalloys market scale (2019)
Trading takes place at a price calculated by converting the global price in US dollars to yen at foreign exchange rates.(Similar to the export industry, the profit structure is such that a
Nippon Denko main product:Ferromanganese In Japan, approx. 447 billion yen
(Source: Nippon Denko estimate)
They make steel stronger and tougher, as well as more resistant to heat and corrosion.
▼ Ferroalloys
▼ Nippon Denko
7
© 2020 Nippon Denko Co., Ltd. zX
Melts at very high temperatures.
Our main product, high-carbon ferromanganese
8
Note: Slag is a by-product occurring in the process of manufacturing metal.
Slag
Exhaust gas is used as fuel for in-house power generation.
Metal from electric furnace
After cooling, becomes a product
Manganese ore imported from various countries is refined using optimal blending techniques. Saves electricity and other energy.
Main raw materials
High-carbon ferromanganese is a ferromanganese product having a relatively high amount of carbon.
High-carbon ferromanganese
Nippon Denko has the
No. 1 sharein Japan
▲
▲
Made by steaming and baking coal. Acting as a reducing agent, removes oxygen in the ore.
© 2020 Nippon Denko Co., Ltd. zX 9
Global crude steel production Global ferroalloy production
823 799 808 832923
996
111 105 105105
10499169 166 162
168
168159106
101 102102
101100
121111 111
116
121120
4544 40
44
4541
280280 287
294
310319
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
'14 '15 '16 '17 '18 '19China Jpn EU CIS N.America S.America Africa Others
(mil.tons)
(Source: WSA data)
4,583 3,997 3,781 4,270 4,386 4,436
1,647 1,498 1307 1595 1644 1435
13,06411,719 12,625
13,93215,826
17,975
11,590
11,494 11,846
13,296
14,322
14,726
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
'14 '15 '16 '17 '18 '19HcFeMn M・Lc-FeMn SiMn FeCr
(1,000 tons)
(Source: IMnI data [FeMn and SiMn]; ICDA data [FeCr]; USGS data [others])
© 2020 Nippon Denko Co., Ltd. zX
0.0
20.0
40.0
60.0
80.0
100.0
'14 '15 '16 '17 '18 '19
Crude steel production(mil. tons)
(Source: Steel statistics )(Source: Steel statistics, Nippon Denko estimates)
(%)
Trends in ferroalloy production and imports, and crude steel production (Japan)
10
Percentage of ferroalloys produced domestically
Ferrochrome
Ferromanganese
Silicomanganese
Ferroalloy production
Ferroalloy importsCrude steel production
Ferroalloy production and imports(1,000 tons)
0
500
1,000
1,500
2,000
2,500
3,000
'14 '15 '16 '17 '18 '190
25
50
75
100
125Crude steel production
Ferroalloy production
Ferroalloy imports
© 2020 Nippon Denko Co., Ltd. zX
SouthAfrica71%
Gabon6%
Austral ia23% South
Africa39%
Australia15%
Coted'Ivoire
2%Malaysia
4%
Gahna15%
Gabon10%
Brazil9%
Others5%
Other10%
Ukrain4%
Brazil5%
India5%
Ghana8%
Australia14%
Gabon9%
SouthAfrica31%
China14%
Processing low-grade ore results in a large amount of slag,for a low metal recovery rate.
Less slag is produced than with low-grade ore,so the metal recovery rate is higher.
( Source: IMnI data )
(Source: IMnI data)
Global production of manganese ore
China
Australia
Gabon
South Africa
Brazil
Japan’s manganese ore imports
(Source: Ministry of Finance customs data)
Chinese manganese ore import volume
(Source: China Customs data)
China’s manganese ore imports
11
10.0
15.0
20.0
25.0
30.0
35.0
'12 '13 '14 '15 '16 '17 '18 '19
(mil. tons)
© 2020 Nippon Denko Co., Ltd. zXSource: Metals Week [US market]; Metal Bulletin [European market]
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Product price (quarterly average) Product prices and ore prices
FMnH(Eur) 1,042 1,044 984 902 823 819 836 724 685 745 762 1,118 1,387 1,367 1,443 1,322 1,349 1,257 1,133 1,151 1,207 1,200 1,091 987
FMnH(US) 1,073 1,075 1,053 1,050 1,034 937 861 830 785 824 840 1,085 1,439 1,439 1,537 1,537 1,556 1,560 1,424 1,354 1,344 1,373 1,368 1,167
Mn ore 5.5 4.7 4.5 4.5 4.2 3.2 3.2 2.8 2.1 3.7 3.6 7.6 7.0 5.3 6.5 6.7 7.4 7.9 7.1 7.5 7.0 6.7 6.1 4.6
'19'17'16'15 '18’14
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
'11 '12 '13 '14 '15 '16 '17 '18 '19
High-carbon ferromanganeseEuropean market
High-carbon ferromanganeseUS market($/t)
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
0
200
400
600
800
1000
1200
1400
1600
1800
'11 '12 '13 '14 '15 '16 '17 '18 '19
High-carbon ferromanganese(Europe)
Manganese ore($/t) ($/Mn%)
Transition list (FMnH & Mn Ore) FMnH ($/t) / Mn Ore ($/Mn%)
Sheet1
'02 '03 '04 '05 '07 '08'09'10'12’14'15'16'17'18'19
FMnH(Eur)4394555155265645975675777771,4161,5081,3541,1797626226098731,0621,3641,6292,1663,0772,9032,4911,4921,1571,0981,3141,3231,4351,4891,5281,1601,2531,1381,1131,0421,0449849028238198367246857457621,1181,3871,3671,4431,3221,3491,2571,1331,1511,2071,2001,091987
FMnH(US)4394495355345024804635279231,7051,4881,1307966145266229381,2491,6641,7602,3583,2403,1792,2261,3329271,1581,4101,4051,5001,3431,3581,2201,2981,2271,1821,0731,0751,0531,0501,0349378618307858248401,0851,4391,4391,5371,5371,5561,5601,4241,3541,3441,3731,3681,167
FV6.38.38.38.011.311.811.111.521.626.220.638.962.7113.553.453.434.239.437.437.368.372.464.240.524.819.931.523.728.532.529.029.9252624253228262525272525222118131518182225273939626986
Mn ore5.54.74.54.54.23.23.22.82.13.73.67.67.05.36.56.77.47.97.17.57.06.76.14.6
Sheet2
Sheet3
© 2020 Nippon Denko Co., Ltd. zX
■ Others
■ Ferrovanadium
■ High-carbonferromanganese
High-carbon ferromanganese is our company’s main product. It is produced domestically, taking advantage of the competitiveness of the Tokushima and Kashima Plant.
■ SLP Ferromanganese(our product name)
The product has a very high manganese content with few impurities. It is used as an additive in the final stage of steelmaking, in place of manganese metal. (see p. 14)
Manganese metal: A metal with a manganese purity of nearly 100%. It is used as an additive in making steel, stainless steel, and aluminum.
■ Silicomanganese
13
1614 17
13 1518
56 6268 76 73
69
7 4 310
4 5
2 11367
0%
20%
40%
60%
80%
100%
'14 '15 '16 '17 '18 '19
Trends in percentage of each alloy in Nippon Denko ferroalloys sales
© 2020 Nippon Denko Co., Ltd. zX
High-purity ferromanganese is being manufactured by means of original technology using as raw material a by-product of high-carbon ferromanganese.
Demand will rise further with increased production of high-grade steel.
An electric furnace was added in 2008. Production capacity was raised from 18,000 tons to 30,000 tons annually.
In 2010, further expansions raised annual production capacity from 30,000 tons to 40,000 tons.
We are helping to ensure stable procurement by users and increase our earning power.
▲ SLP Ferromanganese
What is SLP ferromanganese?(SLP: Super-low phosphorus)
14
020406080
100120140160180
'14 '15 '16 '17 '18 '19
(10,000 tons) Chinese production and exports of manganese metal
Production Exports
Very low-carbon ferromanganese with manganese purity of 90% and low phosphorus content.
As a raw material essential to high-grade steel production, it is used in place of manganese metal.
Superiority
Strategy
Annual demand for manganese metal in Japan is about 50,000 tons, all of
which is imported, some 90% of it from China.
Because of the very high dependence on China, producing it in areas other
than China or possibly switching to an alternative are options being
considered.
Manganese metal
( Source: IMnI data )
© 2020 Nippon Denko Co., Ltd. zX
Grow stronger through best-location production
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Silicomanganese, ferrosilicon, etc.
Participate in Malaysian production
Pertama Ferroalloys Sdn. Bhd. (Malaysia)
MeasuresUse of low-cost electricity
Domestic production in our top field: High-carbon ferromanganese
Enable just-in-time supply by producing in domestic plants located near the sea
Domestic Plant (Tokushima & Kashima), one of the world’s most competitive
Obtaining stable supply of the ores needed for ferroalloy production
• Acquired manganese mining interests Investment in Kudumane Investment Holding which invests to Kudumane Manganese Resources (South Africa)
• Diversification of ore procurement sources
© 2020 Nippon Denko Co., Ltd. zX
South32
ASSMANG
South32
telele York
HotazelKUDUMANE
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Functional Materials
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Cathode material for lithium ion batteries Cathode materials for lithium-ion batteries
Metal hydride alloys Anode materials for nickel-hydrogen batteries
Ferroboron
For amorphous alloys Raw material of amorphous alloy (FeSiB)
For magnets Raw material of neodymium iron boron (NdFeB) magnet alloy
For steel Used as additive in steel as one kind of ferroalloy
Manganese inorganic chemical products
See p. 22 for details.
Zirconium oxide
For electronic ceramics Raw material of ceramic capacitors, PZT piezoelectric actuators etc.
For glass Used as additive in high-refractive optical glass lenses, etc.
For functional film Raw material of optical adjustment coating and hard coating materials, etc.
Composite oxide for catalysts Catalytic promoter for purifying automobile exhaust gas
Boron oxide, boric acidFor glass Used as additive in liquid crystal glass, optical glass, glass fiber, etc.
Other applications Raw material of boron compounds, disinfectants, surface treatment agents, etc.
Functional materials products Type and use
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Our Cathode materials for lithium-ion batteries Principle of lithium-ion batteries
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Start commercial production in 1997
The pioneers of cathode materials for large lithium-ion batteries
ISO 9001 and ISO 14001 certified plants
The contract manufacturing asked from Sumitomo Metal Mining
Battery materials manufacturing plant (Takaoka, Toyama Prefecture)
Main applications
Large lithium-ion batteries for EV and HEV.
Large lithium-ion batteries for Energy storage system.
© 2020 Nippon Denko Co., Ltd. zX
NiOOH+MH Ni(OH)2+M
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Metal hydride alloys ( Hydrogen storage alloys )
1992 started commercial production.
Global No.1 supplier of these alloys for use in hybrid car batteries employed in
Toyota hybrid vehicles.
ISO 9001 and ISO 14001 certified plant
Features of Metal hydride alloys
Long life span equivalent to vehicle life
Ample output to ensure startability at low temperatures and power
acceleration
Metal hydride alloys plant (Myoko, Niigata Prefecture)
Main applications
Anode material for nickel-hydrogen batteries used as drive batteries in hybrid vehicles.
Principle of nickel-hydrogen batteries
Metal hydride alloys anode Nickel cathodeCharge
Discharge
© 2020 Nippon Denko Co., Ltd. zX
For amorphous alloys
Amorphous (noncrystalline) alloy ribbons with thickness of just a few tens of microns are produced by extremely rapid cooling of Fe, Si, B, or other alloys from molten state, at a rate of around a million degrees C per second.
Used mainly as the steel core material of amorphous transformersWhen amorphous alloys are used as steel core material in transformers, electrical (no-load) loss at the steel
core is very small for improved energy efficiency.
In China and India, where the electric power infrastructure is being put in place, adoption of energy-saving amorphous transformers is growing.
In Japan the Top Runner energy efficiency program was applied to industrial transformers in April 2006.
In the US, energy efficiency standards even stricter than Japan’s Top Runner program came into force in January 2010 applicable to distributiontransformers.
Demand is expected to grow even further with the growing global trend toward energy efficiency.
For magnets
A neodymium iron boron (NdFeB) magnet is the strongest kind of permanent magnet. These magnets are essential to making smaller, lighter, and more efficient products from electronic devices to home appliances and automobiles, resulting in energy savings.
Typical applications of NdFeB magnets Motors of hybrid vehicles and electric vehicles
Head actuator mechanism for hard disk drive reading and writing
Motors in energy-efficient appliances (air conditioners, etc.)
Electrical generator in wind power system
For steelAdding a very small amount (10 to 100 ppm) of boron to steel improves its hardenability and high-temperature strength.
Typical applicationsWires used in suspension bridges, nuts and bolts, claws of power shovels
Nippon Denko is the only ferroboron manufacturer outside of China.
Product Description Use or typical applications
21
Crystalline Amorphous
Amorphous alloy
▲ Amorphous transformer
© 2020 Nippon Denko Co., Ltd. zX 22
Overview of manganese inorganic chemical products business Types and uses of manganese inorganic chemical products 1976 Started commercial production
The only Japanese domestic manufacturer of diverse manganese inorganic
chemical products
ISO 9001 and ISO 14001 certified plants
Kosher and FDA certified plant (manganese sulfate)
Manganese inorganic chemical products manufacturing plant (Myoko, Niigata Prefecture)
Features of manganese inorganic chemical products
Holder of technology for high-purity refining of manganese ore
Thorough removal of alkaline metals and alkaline earth metals by
crystallization and recrystallization processes
Thorough removal of iron by use of oxidizing agent and
optimization of reaction pH
Products Uses
Manganese sulfate Animal feed additives, catalyst raw materials, supplements, fertilizers
High-purity manganese sulfate Cathode materials for lithium-ion batteries
Manganese carbonateAnimal feed additives, surface treatment agent raw materials, soft ferrite
High-purity manganese carbonate Additive in laminated ceramic capacitors, thermistors
Chemical manganese dioxideOzone decomposition catalysts, deodorizing catalysts, oxidizing agents for organic synthesis
Reduced ore Flux
Manganese sulfates Manganese carbonates
© 2020 Nippon Denko Co., Ltd. zX
Electronic ceramics Glass and film
This material is used in ceramic capacitors and ceramic filters in the electrical circuits of digital consumer electronics, PCs, mobile phones and other digital devices.It is also used in inkjet printers, for example in devices controlling ink spraying.Another application is for use in gyro sensors for preventing camera shake and for detecting smartphone tilt.
Another use is in the optical lenses of digital cameras, and in films for liquid crystal displays.
23
What is zirconium oxide? Electronic ceramics, with zirconium oxide as raw material, have the electrical properties for storing electricity and converting between electricity and
pressure.
A high refractive index is achieved by using zirconium oxide as an additive in optical glass and functional film.
Nippon Denko and zirconium oxide
Began production at the Tokushima Plant in 1989
Won acclaim for ultrafine particles and high purity
Sold mainly for use in electronic parts and optical lenses
Main applications and products
Ceramic capacitors ▲ Inkjet printer
© 2020 Nippon Denko Co., Ltd. zX 24
CeO2→ CeO2-x + X/2O2HC
CONOX H2O
CO2N2
Its role is to store and release oxygen as oxidation and
reduction reactions take place.
Used in three way catalysts for automobile exhaust gas.
Oxidation and reduction reactions remove pollutants
from exhaust
Oxygen storage Oxygen release
Catalytic promoter for purifying automobile exhaust gas (ceria-zirconia)
Zirconium oxide for functional film
Mainly used as an optical adjustment coating material in functional films for touch panels.
Zirconia properties High refractive index (highly
transparent) High hardness Resistant to photocatalysts
Development goals High dispersibility in solvent Primary particle diameter
microscopically small and uniform
© 2020 Nippon Denko Co., Ltd. zX
Environment
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© 2020 Nippon Denko Co., Ltd. zX 26Environment
Purified water manufacturing for home-use fuel cells
Use of home fuel cells as alternative energy is on the rise. Fuel cells generate electricity from hydrogen, which is extracted from a reaction between purified water and natural gas or other source. Drawing on a wealth of experience in ion exchange resin regeneration, we are building up our business in fuel cell-related fields.
Having a large ion exchange resin recycling plant in Koriyama, Fukushima Prefecture, we rent and sell ion exchange towers which are water treatment equipment and perform resin regeneration on consignment.
Purified water manufacturingfor hydrogen stations
Hydrogen stations are being built as Toyota Motor begins commercial sale of fuel cell vehicles. We started manufacturing purified water equipment for hydrogen production in 2005 in preparation for the Aichi Expo, and we has the top share in Japan for hydrogen stations.
Cartridge demineralizer・Simple and easy-to-use demineralizer filled with ion-
exchange resin ・By simply connecting the unit directly to a faucet・Creates high-purity water by removing Ca, Na, SO4, CI,
SiO2, etc., in tap water.
Pure Water System that combines the reverse osmosis membrane (RO membrane) with the ion-exchange resin tower.・ Space-saving by a compact design ・ Easy to operate by automatic control・ Capable of presenting a product specifications in
accordance with customers’ demand
Flow sheet used (example)Features1. Reuse and resources recycling of Water,
the medicine・Reuse waste water as deionized water or pure water・Recycling of the adsorbed ion
2. Commissioned regeneration・Don’t need regeneration working or medicine on
customer premises from treatment・No generation of sludge
3. A variety of sale’s methods・Selectable from a rental or purchase system・Suggest the best method in consideration for a
period of service, a work load, and funds for equipment
● Contribution to the hydrogen society
Pure water production that pursue further purity
AQUA PACK
For washing of surface treatment For the water for boilers and air-conditioning For experiments and analysis For hydrogen production
MR PACK
TypeWater quality monitor
Mini filter O or A TowerG Tower
① ③② ④
①Chrome plating solution tank ②Recovery tank ③Washing tank④Washing tank
Clean Recycle System Pure Water Technology
Ion exchange towers of wastewater treatment enabling the recovery of water and resources ND MINICHROPACK:various chromic other heavy metal・Various acid・Alkali waste waterB-CLEPACK:Boron removal NI-PACK: Nickel removalF-PACK: Fluorine removal
Ferroboron
Nickel alloy raw materials
Road building materials・Various ion-exchange resins and
adsorbents are regenerated.・Valuable materials are recovered.
Koriyama Plant
Remove hazardous substancesRecover water
© 2020 Nippon Denko Co., Ltd. zX 27Environment
Dedicated carrier vehicles
Incineration ash storage facility
Incineration ash (collected from municipalities)
Roadbed material
Leveling material
Material for river embankment work
Valuable metals separated and collected at nonferrous smelter
and refiner
(ECOLAROCK)
Applications
• Roadbed material
• Leveling material for solar panel installation
• Embankment material for disaster recovery
• Base material for river embankment work
Ash hopper
Sieve
Ash melting furnace
Chimney
Ash
Gas washing equipment
Dust collector
Metal
Dry pit
Slowly cooled slag
Secondary burning vat
Cooling tower
Furnace-top ash hopper
Elect-rodes
SlagMetal
Metalcaster
● Due to high-temperature melting and solidification, the treatment is able to break down dioxin and detoxify and stabilize heavy metals.
● The generated slag being of stable quality, it is sold for a wide range of uses as ECOLAROCK (registered trademark).
● Valuable metals (gold, silver, copper, etc.) contained in the molten metal are recycled and used.
■ Features● In 1995, Chuo Denki Kogyo became the first private company in Japan
to begin treatment of incineration ash generated from municipalities by melting in a ferroalloy furnace.
● In 2002, a dedicated furnace was put into operation, and treatment of industrial waste was started.
● The processing capacity of the dedicated furnace was increased in 2013.● In 2018, the third dedicated furnace was put into operation.
■ History of business
© 2020 Nippon Denko Co., Ltd. zX
Electric Power
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Power generation facility Output Operation
Horoman-gawaNo. 2 Power Plant 4,406kW Started from Nov, 2017
Horoman-gawaNo. 3 Power Plant 6,222kW Started from Feb. 2019
■ Overview of electric power business● We built a hydroelectric power plant at Horoman-gawa River in Hokkaido in early Showa period for the pioneer of the development of the
power supply in Hidaka area.● Renewed the power generation facilities at the No.2 and No.3 power plant.
● Transform business to the electricity sales taking advantage of feed-in tariff system.
Horoman-dam
No.3 Power Plant
Horoman-gawa Hydroelectric Power Plants
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Research and development
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© 2020 Nippon Denko Co., Ltd. zXR&D 31
■ R&D organization
We organize research and development activities as "Search", "Product development" and "Process technology development", and will push forward with effective research and development based on the business strategy of each business segment.
■ Activity of research and development
R&D
Director of Laboratories
R&D Laboratory
Myoko Research Unit
(Anan, Tokushima): Develops ferroalloys, Functional Materialsand Environment
(Myoko, Niigata): Develops raw materials for batteries and basic research
Ferroalloys ・ Increase cost competitiveness and R&D for the reinforcement of the technique for environment.
FunctionalMaterials
Environment・ Product development to respond to customer requests in the water treatment and
pure water system field.・ Process technology development for the Melting and Solidification of Incineration
Ash.
・ Product development and process technology development to respond to various customer requests.
・ Product search for the future making use of our strengths.
スライド番号 1Contents スライド番号 4スライド番号 5History スライド番号 8How are ferroalloys made?スライド番号 10スライド番号 11スライド番号 12スライド番号 13スライド番号 14スライド番号 15スライド番号 16スライド番号 17 スライド番号 19スライド番号 20スライド番号 21スライド番号 22スライド番号 23スライド番号 24スライド番号 25 スライド番号 27スライド番号 28 スライド番号 30 スライド番号 32