How was the Minamata disease cleaned up?

With regard to the Minamata plant of Chisso Co., Ltd., through the completion of the perfect circulation system in 1966, water effluent containing methylmercury compound had not been discharged outside of the plant in principle, and the pollutant source was eliminated through cessation of the production of acetaldehyde …

Is the Minamata disease still around?

Once called an “origin of environmental pollution,” Minamata disease was officially confirmed on this day 65 years ago. The film’s message–that “Minamata disease is still not over”–remains as heavy as ever.

What is Minamata disease Class 7?

Hint: Minamata disease is a methylmercury poisoning with neurological symptoms and caused by the daily consumption of large quantities of fish and shellfish that were heavily contaminated with the toxic chemical are produced in factories and are thrown into the sea.

Which pollution is caused by Minamata disease?

In November 1959, the Committee presented its official conclusion, based on the report of the sub-committee, that Minamata disease was a kind of organic mercury poisoning induced by the intake of polluted fish and shellfish caught in Minamata Bay.

How was Minamata Bay remediated?

Water Sci Technol (1993) 28 (8-9): 339–348. The Minamata Bay remedial project, which commenced in 1977, was completed in 1990.1. 5 million m3 of mercury contaminated sediment were treated by careful dredging and confined reclamation. A contaminated area of 2 million m2 in Minimata Bay was decontaminated.

What is the cost of Minamata disease?

6. Concluding Remarks. Minamata Bay, which experienced the most disastrous mercury pollution on record, has been restored by removing more than 1.5 million cubic meters of contaminated sediment over ten years at a cost of 48 billion yen.

Can Minamata disease be cured?

However, a fundamental cure for Minamata disease has not yet been found. The main treatments involve the temporary relief of symptoms (symptomatic therapy), and rehabilitation (physiotherapy and occupational therapy).

How is Minamata disease prevented?

Minamata disease can be prevented by reducing or eliminating one’s consumption of fish caught from bodies of water that are contaminated with high concentrations of mercury.

What is Minamata disease Class 9?

Minamata disease is a neurological syndrome caused by severe mercury poisoning. Minamata disease was first discovered in Minamata City, Japan in 1956. It was caused by the release of methyl mercury into the industrial wastewater from the Chisso Corporation chemical factory, which continued from 1932 to 1968.

How long did the Minamata disease last?

It was caused by the release of methylmercury in the industrial wastewater from a chemical factory owned by the Chisso Corporation, which continued from 1932 to 1968.

Why did the authorities kept secret about the Minamata outbreak?

There were many chemical substances produced for the first time in Japan at the Chisso Minamata complex and the corporation maintained a tight hold on production secrets, to prevent competition from other manufacturers.

How can infectious disease be treated in Minamata?

・Treatment as an Infectious Disease ・Isolation of Patients in infectious Disease Wards ・Application of Public Welfare Assistance ・Construction of a Special Minamata Disease Ward ・Opening of the Minamata Municipal Hospital Affiliated Yunoko Hospital (Rehabilitation Center) ・Opening of Meisuien (Special Accomodation Facility) ・Establishment of a B…

What is Min Minamata disease?

Minamata disease is the same as methylmercury poisoning, and is characterized by neurological disorders such as ataxia, constriction of visual fields, and speech disturbance (the trias of Hunter-Russell syndrome).

How many volumes are there in the Minamata disease abridged chronology?

Minamata Disease Victims and Legal Team National Liaison Conference Ed. Minamata Disease Abridged Chronology (Minamata Disease Trials Complete History 5 Volumes (Supplementary volume)). Nippon Hyoronsha. 2001.

What are some good books on Minamata disease?

˘ˇ˘ˆ Environment Agency. Environmental Health Dept.. Our Intensive Efforts to Overcome the Tragic History of Minamata Disease 1997. 1997. Arima, Sumio. Minamata Disease: Its 20 Years Research and Current Problems. Seirin. 1979. ˘ Tomita, Hachiro. Complainant’s Group against Minamata Disease.