The , since 2012 reorganized as JNC (Japan New Chisso), is a
Japanese chemical company. It is an important supplier of
liquid crystal
Liquid crystal (LC) is a state of matter whose properties are between those of conventional liquids and those of solid crystals. For example, a liquid crystal may flow like a liquid, but its molecules may be oriented in a crystal-like way. T ...
used for
LCDs, but is best known for its role in the 34-year-long pollution of the water supply in
Minamata
is a city located in Kumamoto Prefecture, Japan. It is on the west coast of Kyūshū and faces Amakusa islands. Minamata was established as a village in 1889, re-designated as a town in 1912 and grew into a city in 1949. As of March 2017, the ...
,
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
that
led to thousands of deaths and victims of disease.
Between 1932 and 1968, Chisso's chemical factory in Minamata released large quantities of
industrial wastewater
Industrial wastewater treatment describes the processes used for Wastewater treatment, treating wastewater that is produced by industries as an undesirable by-product. After treatment, the treated industrial wastewater (or effluent) may be reuse ...
that was contaminated with highly
toxic
Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a subst ...
methylmercury. This
poisonous
Poison is a chemical substance that has a detrimental effect to life. The term is used in a wide range of scientific fields and industries, where it is often specifically defined. It may also be applied colloquially or figuratively, with a broa ...
water
bioaccumulated in local sea life that was then consumed by the immediate population. As a result of this contamination, 2,265 individuals in the area were inflicted with what is now known as
Minamata disease
Minamata disease is a neurological disease caused by severe mercury poisoning. Signs and symptoms include ataxia, numbness in the hands and feet, general muscle weakness, loss of peripheral vision, and damage to hearing and speech. In extrem ...
. 1,784 of those victims died as a result of the poisoning and/or the disease.
[Official government figure as of March 2001. Se]
"Minamata Disease: The History and Measures, ch2"
/ref> Those who were afflicted with the disease developed skeletomuscular deformities and lost the ability to perform motor functions such as walking. Many also lost significant amounts of vision, as well as hearing and speech capabilities. Severe cases presented with insanity, paralysis, coma and then death within weeks of the onset of symptoms.
As of March 2001, over 10,000 individuals had received financial remuneration from Chisso to compensate them for the harm caused by the chemical release.[Se]
, Frequently asked questions, Question 6 By 2004, Chisso Corporation had paid $86 million in compensation, and, in the same year, the company was ordered to clean up its contamination. However, the incident remains controversial for not only the poisoning itself but also for the tactics that the company used to suppress the negative aftermath.
Chisso is a member of the Mizuho Mizuho () literally means "abundant rice" in Japanese and "harvest" in the figurative sense. It was also an ancient name of Japan. It might refer to:
Places
* Mizuho, Gifu, a city in Gifu
* Mizuho, Tokyo, a town in Tokyo
* Mizuho Plateau in A ...
keiretsu
A is a set of companies with interlocking business relationships and shareholdings. In the legal sense, it is a type of informal business group that are loosely organized alliances within the social world of Japan's business community. The ''ke ...
.
History
Foundation
In 1906, Shitagau Noguchi, an electrical engineering
Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...
graduate of Tokyo Imperial University
, abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...
, founded the which operated a hydroelectric power station
Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined an ...
in Ōkuchi, Kagoshima Prefecture
is a prefecture of Japan located on the island of Kyushu and the Ryukyu Islands. Kagoshima Prefecture has a population of 1,599,779 (1 January 2020) and has a geographic area of 9,187 km2 (3,547 sq mi). Kagoshima Prefecture borders Kumamoto P ...
. The power station supplied electricity for the gold mines in Ōkuchi but had overcapacity. To make use of the surplus power, in 1908, Noguchi founded the which operated a carbide
In chemistry, a carbide usually describes a compound composed of carbon and a metal. In metallurgy, carbiding or carburizing is the process for producing carbide coatings on a metal piece.
Interstitial / Metallic carbides
The carbides of the ...
factory in the coastal town of Minamata
is a city located in Kumamoto Prefecture, Japan. It is on the west coast of Kyūshū and faces Amakusa islands. Minamata was established as a village in 1889, re-designated as a town in 1912 and grew into a city in 1949. As of March 2017, the ...
, Kumamoto Prefecture
is a Prefectures of Japan, prefecture of Japan located on the island of Kyūshū. Kumamoto Prefecture has a population of 1,748,134 () and has a geographic area of . Kumamoto Prefecture borders Fukuoka Prefecture to the north, Ōita Prefecture to ...
, about 30 km northwest of Ōkuchi. In the same year he merged the two companies to form the - usually referred to as Nichitsu.
Expansion
In 1909, Noguchi purchased the rights to the Frank-Caro process, whereby atmospheric nitrogen
Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at se ...
was combined with calcium carbide
Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of Ca C2. Its main use industrially is in the production of acetylene and calcium cyanamide.
The pure material is colorless, while pieces of tec ...
(a key product of the young company) to produce calcium cyanamide
Calcium cyanamide is the inorganic compound with the formula CaCN2. It is the calcium salt of the cyanamide () anion. This chemical is used as fertilizer and is commercially known as nitrolime. It was first synthesized in 1898 by Adolph Frank and ...
, a chemical fertilizer
A fertilizer (American English) or fertiliser (British English; see spelling differences) is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from ...
. Nitrogenous fertilizers were key to boosting agricultural production in Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
at the time, due to its lack of arable land and the small-scale nature of its farms, so the company found a ready market for its product. Nichitsu also branched out into other products produced from calcium carbide
Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of Ca C2. Its main use industrially is in the production of acetylene and calcium cyanamide.
The pure material is colorless, while pieces of tec ...
, beginning production of acetic acid
Acetic acid , systematically named ethanoic acid , is an acidic, colourless liquid and organic compound with the chemical formula (also written as , , or ). Vinegar is at least 4% acetic acid by volume, making acetic acid the main component ...
, ammonia
Ammonia is an inorganic compound of nitrogen and hydrogen with the formula . A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. Biologically, it is a common nitrogenous was ...
, explosives
An explosive (or explosive material) is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure. An expl ...
and butanol
Butanol (also called butyl alcohol) is a four-carbon alcohol with a formula of C4 H9 O H, which occurs in five isomeric structures (four structural isomers), from a straight-chain primary alcohol to a branched-chain tertiary alcohol; all are a b ...
.
Production of ammonium sulfate
Ammonium sulfate (American English and international scientific usage; ammonium sulphate in British English); (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen a ...
(another chemical fertilizer) started in 1914 at a plant in Kagami, Kumamoto Prefecture
is a Prefectures of Japan, prefecture of Japan located on the island of Kyūshū. Kumamoto Prefecture has a population of 1,748,134 () and has a geographic area of . Kumamoto Prefecture borders Fukuoka Prefecture to the north, Ōita Prefecture to ...
, using a nitrogen fixation
Nitrogen fixation is a chemical process by which molecular nitrogen (), with a strong triple covalent bond, in the air is converted into ammonia () or related nitrogenous compounds, typically in soil or aquatic systems but also in industry. Atmo ...
process - a Japan first. Sales of ammonium sulfate were increasing year-on-year as were market prices. A new plant was opened at the Minamata
is a city located in Kumamoto Prefecture, Japan. It is on the west coast of Kyūshū and faces Amakusa islands. Minamata was established as a village in 1889, re-designated as a town in 1912 and grew into a city in 1949. As of March 2017, the ...
factory in 1918 where it was able to produce ammonium sulfate for 70 yen per ton and sell it for five and a half times the cost. These massive profits enabled Nichitsu to survive the subsequent drop in prices after the return of foreign competition into the Japanese market after the end of World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
in Europe in September 1918.
After the war, Noguchi visited Europe and decided Nichitsu should pioneer an alternative synthesis of ammonium sulfate
Ammonium sulfate (American English and international scientific usage; ammonium sulphate in British English); (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen a ...
in Japan. In 1924, the Nichitsu plant at Nobeoka
is a Cities of Japan, city located in the north of Miyazaki Prefecture, Japan. As of June 1, 2019, the city has an estimated population of 119,521 and a population density of 138 persons per km². The total area is .
History
The city was offici ...
began production using the Casale ammonia synthesis which required the use of extremely high temperatures and pressures. Once the process was proved a success, the Minamata
is a city located in Kumamoto Prefecture, Japan. It is on the west coast of Kyūshū and faces Amakusa islands. Minamata was established as a village in 1889, re-designated as a town in 1912 and grew into a city in 1949. As of March 2017, the ...
plant was converted to the process and began mass production.
Nichitsu grew steadily, invested its profits in new technology and expanded production into new areas and slowly became a large conglomerate of many different companies.[George, Timothy S. (2001). ''Minamata: Pollution and the Struggle for Democracy in Postwar Japan''. Harvard University Asia Center. .]
Nichitsu in Korea
In 1924, Shitagau Noguchi expanded Nichitsu into Korea
Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
, a colony of colony of Japan.
In 1926, he established two companies in Korea as subsidiaries of Nichitsu, mirroring the foundation of the parent company: and . Noguchi wanted to repeat his success in Ōkuchi and Minamata, but on an even greater scale in Korea.
The power company constructed hydroelectric power plants along rivers draining into the Yalu River
The Yalu River, known by Koreans as the Amrok River or Amnok River, is a river on the border between North Korea and China. Together with the Tumen River to its east, and a small portion of Paektu Mountain, the Yalu forms the border between ...
. In 1927, the fertilizer subsidiary built a huge chemical complex in Hungnam
Hŭngnam is a district of Hamhung, the second largest city in North Korea. It is a port city on the eastern coast on the Sea of Japan. It is only from the slightly inland city of Hamhung. In 2005 it became a ward of Hamhung.
History
The port a ...
. The hydroelectric power plants supplied electricity for the chemical plant, in the same way as the Ōkuchi power plant had done so for the Minamata chemical factory.
Nichitsu invested in Korea more aggressively than any other Japanese company. It and its subsidiaries grew rapidly in Korea, and came to be recognized as an emerging zaibatsu
is a Japanese language, Japanese term referring to industrial and financial vertical integration, vertically integrated business conglomerate (company), conglomerates in the Empire of Japan, whose influence and size allowed control over signi ...
.
The difference between Nichitsu's zaibatsu and established zaibatsu like Mitsubishi
The is a group of autonomous Japanese multinational companies in a variety of industries.
Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 ...
and Mitsui
is one of the largest '' keiretsu'' in Japan and one of the largest corporate groups in the world.
The major companies of the group include Mitsui & Co. ( general trading company), Sumitomo Mitsui Banking Corporation, Nippon Paper Industri ...
was that Nichitsu did not have its own bank and insurance company. Hence, Nichitsu relied on government-controlled banks.
Dissolution and reorganization
As Japan lost the Second World War
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
in 1945, Nichitsu and its zaibatsu collapsed and was forced to abandon all properties and interests in Korea. Furthermore, the US-controlled Allied
An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
occupation of Japan
Japan was occupied and administered by the victorious Allies of World War II from the 1945 surrender of the Empire of Japan at the end of the war until the
Treaty of San Francisco took effect in 1952. The occupation, led by the United States wi ...
ordered the dismissal of the company, regarding it as a company that adhered to the militarism government.
In 1950, the , usually referred to as Shin Nichitsu, was founded as a successor of the old company. Other successor companies include Asahi Kasei
is a multinational Japanese chemical company. Its main products are chemicals and materials science.
It was founded in May 1931, using the paid in capital of Nobeoka Ammonia Fiber Co., Ltd, a Nobeoka, Miyazaki based producer of ammonia, nit ...
and Sekisui Chemical
Sekisui Chemical is a Plastics manufacturer with head offices in Osaka and Tokyo. The company owns a plethora of subsidiaries engaged in a variety of businesses. Sekisui has over 27,000 employees in more than eighteen countries worldwide.
Histor ...
.
Minamata disease
Nichitsu had started production of acetaldehyde
Acetaldehyde (IUPAC systematic name ethanal) is an organic chemical compound with the formula CH3 CHO, sometimes abbreviated by chemists as MeCHO (Me = methyl). It is a colorless liquid or gas, boiling near room temperature. It is one of the mos ...
using a mercury
Mercury commonly refers to:
* Mercury (planet), the nearest planet to the Sun
* Mercury (element), a metallic chemical element with the symbol Hg
* Mercury (mythology), a Roman god
Mercury or The Mercury may also refer to:
Companies
* Merc ...
catalyst
Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...
at its Minamata plant in May 1932, and Shin Nichitsu continued production after the war. The plant discharged wastewater from its acetaldehyde plant into Minamata Bay
Minamata is a small factory town. Minamata Bay is a bay on the west coast of Kyūshū island, located in Kumamoto Prefecture, Japan. The bay is part of the larger Shiranui Sea which is sandwiched between the coast of the Kyūshū mainland and the ...
via Hyakken Harbour. The wastewater contained many pollutants and poisonous substances including methylmercury, a highly toxic chemical.
This chemical was absorbed by fish and shellfish and bioaccumulated up the food chain
A food chain is a linear network of links in a food web starting from producer organisms (such as grass or algae which produce their own food via photosynthesis) and ending at an apex predator species (like grizzly bears or killer whales), det ...
. People who unknowingly ate the fish over many years suffered from severe mercury poisoning. Hajime Hosokawa, a doctor at a Shin Nichitsu's company hospital, officially reported on May 1, 1956 an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.
In 1963, doctors at Kumamoto University
, abbreviated to ''Kumadai'' (熊大), is a Japanese national university located in Kumamoto, Kumamoto Prefecture in the Kyushu region of Japan. It was established on May 31, 1949, at which time the following institutions were subsumed into it; ...
concluded that the cause of Minamata disease was mercury emitted by Shin Nihon Chisso Hiryo. In 1965, the company changed its name to . In May 1968, Chisso finally stopped using a mercury
Mercury commonly refers to:
* Mercury (planet), the nearest planet to the Sun
* Mercury (element), a metallic chemical element with the symbol Hg
* Mercury (mythology), a Roman god
Mercury or The Mercury may also refer to:
Companies
* Merc ...
catalyst
Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...
in the production of acetaldehyde
Acetaldehyde (IUPAC systematic name ethanal) is an organic chemical compound with the formula CH3 CHO, sometimes abbreviated by chemists as MeCHO (Me = methyl). It is a colorless liquid or gas, boiling near room temperature. It is one of the mos ...
. In 1969, patients sued Chisso for compensation. Many lawsuits were filed against Chisso after 1969, and some of them go on even now.
Chisso president, later chairman Yutaka Egashira (later maternal grandfather of Masako, Empress of Japan) used ''yakuza
, also known as , are members of transnational organized crime syndicates originating in Japan. The Japanese police and media, by request of the police, call them , while the ''yakuza'' call themselves . The English equivalent for the term ...
'' in order to threaten and silence patients and their supporters.[ Patients and their supporters started the "single shareholder" movement by buying one share of Chisso each, which was aimed at accusing the executives of Chisso in its general meeting. A thousand of the single shareholders participating in the movement gathered in front of a hall in ]Osaka
is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third most populous city in Japan, following Special wards of Tokyo and Yokohama. With a population of 2. ...
to attend the general meeting called on November 28, 1970, but the company prevented them from entering the hall by asking yakuza to become shareholders and occupy the hall. The meeting ended in five minutes with all the bills submitted by the board approved.[David E. Kaplan and Alec Dubro. ''Yakuza: Japan's Criminal Underworld''. University of California Press, 2003. .]
In addition, Chisso had American photographer and photo-journalist W. Eugene Smith
William Eugene Smith (December 30, 1918 – October 15, 1978) was an American photojournalist.Peacock, Scot. "W(illiam) Eugene Smith." ''Contemporary Authors Online'', Gale, 2003. ''Biography In Context'' He has been described as "perhaps the si ...
beaten by yakuza goons after Smith published a highly regarded photo-essay showing the caustic injuries and birth defects Chisso had caused the Minamata population. The centerpiece of the work, titled "Tomoko and Mother in the Bath
''Tomoko and Mother in the Bath'' is a photograph taken by American photojournalist W. Eugene Smith in 1971. Many commentators regard ''Tomoko'' as Smith's greatest work. The black-and-white photo depicts a mother cradling her severely deformed, n ...
", depicted the severe deformation of a child in her mother's arms after the child was exposed to the effects of Chisso's contamination of the water supply. In response to Chisso's beating of W. Eugene Smith for dissemination of the photographs, Smith was awarded the Robert Capa Gold Medal The Robert Capa Gold Medal is an award for "best published photographic reporting from abroad requiring exceptional courage and enterprise". It is awarded annually by the Overseas Press Club of America (OPC). It was created in honor of the war photo ...
in 1974 for "best published photographic reporting from abroad requiring exceptional courage and enterprise".
The company's "historical overview" in its current website makes no mention of their role in the mass contamination of Minamata and the dreadful aftermath, although a separate section of the website, accessed from the same list as the overview, is devoted to the subject. This section, however, is absent from the English version of the website. Additionally, their 2004 Annual Report reports an equivalent of about US$50 million (5,820 million yen) in "Minamata Disease Compensation Liabilities". From 2000 to 2003, the company also reported total compensation liabilities of over US$170 million. Their 2000 accounts also show that the Japanese
Japanese may refer to:
* Something from or related to Japan, an island country in East Asia
* Japanese language, spoken mainly in Japan
* Japanese people, the ethnic group that identifies with Japan through ancestry or culture
** Japanese diaspor ...
and Kumamoto prefectural governments waived an enormous US$560 million in related liabilities. Their FY2004 and FY2005 reports refer to Minamata disease as " Mad Hatter's Disease", a term coined from the mercury poisoning experienced by hat-makers of the last few centuries (cf Mad Hatter
The Hatter is a fictional character in Lewis Carroll's 1865 book '' Alice's Adventures in Wonderland'' and its 1871 sequel ''Through the Looking-Glass''. He is very often referred to as the Mad Hatter, though this term was never used by Ca ...
).FY2004
an
FY2005
financial results. URL retrieved 2008-03-07.
See also
* LCD
* Liquid crystal
Liquid crystal (LC) is a state of matter whose properties are between those of conventional liquids and those of solid crystals. For example, a liquid crystal may flow like a liquid, but its molecules may be oriented in a crystal-like way. T ...
* Minamata disease
Minamata disease is a neurological disease caused by severe mercury poisoning. Signs and symptoms include ataxia, numbness in the hands and feet, general muscle weakness, loss of peripheral vision, and damage to hearing and speech. In extrem ...
* Four big pollution diseases of Japan The were a group of man-made diseases all caused by environmental pollution due to improper handling of industrial wastes by Japanese corporations. The first occurred in 1912, and the other three occurred in the 1950s and 1960s.
Despite the moni ...
* Minamata, Kumamoto
* Industrial waste
Industrial waste is the waste produced by industrial activity which includes any material that is rendered useless during a manufacturing process such as that of factories, mills, and mining operations. Types of industrial waste include dirt and ...
* Chemical waste
Chemical waste is any excess, unusable, or unwanted chemical, especially those that cause damage to human health or the environment. Chemical waste may be classified as hazardous waste, non-hazardous waste, universal waste, and household haz ...
* Zaibatsu
is a Japanese language, Japanese term referring to industrial and financial vertical integration, vertically integrated business conglomerate (company), conglomerates in the Empire of Japan, whose influence and size allowed control over signi ...
References
External links
*
Chisso Corporation
*
JNC Corporation
W. Eugene Smith
William Eugene Smith (December 30, 1918 – October 15, 1978) was an American photojournalist.Peacock, Scot. "W(illiam) Eugene Smith." ''Contemporary Authors Online'', Gale, 2003. ''Biography In Context'' He has been described as "perhaps the si ...
: Tomoko Uemura in Her Bath, Minamata, 1972
{{Authority control
Chemical companies of Japan
Minamata disease