Biographical
Early
Charles Hall is the Reverend Herman Bassett Hall and Sophie wallonia H. Brooks's son, He has a brother and three sisters, one of them died young He has a brother and three sisters, one of them died young .
Hall family moved to Ohio in 1873 of Oberlin, Charles attended Oberlin High School Hall family moved to Ohio in 1873 of Oberlin, Charles attended Oberlin High School . 1880 entered Oberlin College in the year one thousand nine hundred and five years after obtaining a bachelor's degree major in science in 1880 entered Oberlin College in the year one thousand nine hundred and five years after obtaining a bachelor's degree major in science in .
. chemistry professor Frank Fanning, Louis Victor's encouragement, Hall became a materials expert chemistry professor Frank Fanning, Louis Victor's encouragement, Hall became a materials expert .
was for the students to get the most interesting works, are due to the expensive price of aluminum, or by lowering the cost of aluminum production method,can get - rich - quick was for the students to get the most interesting works, are due to the expensive price of aluminum, or by lowering the cost of aluminum production method,can get - rich - quick . Hall house in the backyard of the shack, a long - term experiment Hall house in the backyard of the shack, a long - term experiment .
Senectitude
Hall aluminum process to a successful and finds his life has won 22 U.S. patents, is made of aluminum, invented the first Oberlin College he became a member of the Board of Directors of the Oberlin College he became a member of the Board of Directors of the .
1914 in Florida before his death he served as the U.S., Alcoa, vice president of Hall on the death of the childless, the last to be buried in Oberlin forest cemetery (Woodland Cemetery) Hall on the death of the childless, the last to be buried in Oberlin forest cemetery (Woodland Cemetery) .
Data
Charles Martin Hall, the personal name Charles Martin Hall, a native of America's birthday on December 6, 1863, Ohio birthplace Sampson Mourns dated 1914 and died on 27 December to Florida Daytona career breakthrough Hall - Heroult methodCharles Martin Hall, the personal name Charles Martin Hall, a native of America's birthday on December 6, 1863, Ohio birthplace Sampson Mourns dated 1914 and died on 27 December to Florida Daytona career breakthrough Hall - Heroult method.
The Aluminum Of The Hobby
Background
Aluminum is on the earth next to the silicon content of the second multiple of the non - iron metallic elements, but not as a pure substance there Aluminum is on the earth next to the silicon content of the second multiple of the non - iron metallic elements, but not as a pure substance there . in 1808 by Sir Humphrey Davy little attention has been paid to the problems of the research work in 1808 by Sir Humphrey Davy little attention has been paid to the problems of the research work .
But he he is referred to as the material of the present efforts fail, he is unable to propose compounds in pure aluminum But he he is referred to as the material of the present efforts fail, he is unable to propose compounds in pure aluminum . 1825 Danish chemist Hans Oster successfully separated from the alumina in small amount of aluminum, and the purity is low 1825 Danish chemist Hans Oster successfully separated from the alumina in small amount of aluminum, and the purity is low .
1827. Friedrich lucky was prepared by using pure aluminum,But this very rare on the surface of the metal of the prevailing price exceeds the value of such gold this very rare on the surface of the metal of the prevailing price exceeds the value of such gold .
awakens the nobles aluminum desire for awakens the nobles aluminum desire for . 1846 by the French from Mandeville began treating Weiler - on top of the purification, the final success in 1854 and 1859 in writing and published his findings and 1846 by the French from Mandeville began treating Weiler - on top of the purification, the final success in 1854 and 1859 in writing and published his findings and .
Napoleon III entrusted his scientists to try to take into account the large number of the method of producing aluminium Napoleon III entrusted his scientists to try to take into account the large number of the method of producing aluminium . Deville of chemical method is too expensive, and in 1857 the aluminum have an annual capacity of only 750 kg, and that only France can produce Deville of chemical method is too expensive, and in 1857 the aluminum have an annual capacity of only 750 kg, and that only France can produce .
Inventions
David Hall has revolved around the proposed analytical method of molten Thoughts David Hall has revolved around the proposed analytical method of molten Thoughts . fusion process requires relatively high temperature alumina melt and is separated from the pure aluminum fusion process requires relatively high temperature alumina melt and is separated from the pure aluminum .
Hall's attempt to simplify them melted alumina Hall's attempt to simplify them melted alumina . first began his first experiments, first began his first experiments, .
he had to supply your own most of the instruments and chemicals, at which time the Hall's sister Julia he had to supply your own most of the instruments and chemicals, at which time the Hall's sister Julia . and supported him in his experiments discovering the Hall to the alumina in cryolite is added, can be pure alumina having a melting point of 2050 C to 950 C and supported him in his experiments discovering the Hall to the alumina in cryolite is added, can be pure alumina having a melting point of 2050 C to 950 C .
so his initial idea is to use flow of electrons through an electrolytic cell containing aluminum oxide and cryolite,Thus distillation may be at the bottom of the tube to a certain extent to form an aluminum sag so his initial idea is to use flow of electrons through an electrolytic cell containing aluminum oxide and cryolite,Thus distillation may be at the bottom of the tube to a certain extent to form an aluminum sag . years of laborious work, Hall in 1886, on 23 February got his first samples years of laborious work, Hall in 1886, on 23 February got his first samples .
began when he was only prepared spherical particles of aluminum, and later continued his efforts, eventually obtained ingot began when he was only prepared spherical particles of aluminum, and later continued his efforts, eventually obtained ingot . 1886 on Jul. 9, the Hall was his method, applied for the first patent application for a patent in
Hall a few weeks later, the Frenchman Paul Eru almost at the same time he discovered this method Hall a few weeks later, the Frenchman Paul Eru almost at the same time he discovered this method . Eru in France also has applied for a patent for Eru in France also has applied for a patent for .
two each other without the knowledge of the inventor,and thereby creates a legal dispute over two each other without the knowledge of the inventor,and thereby creates a legal dispute over . the last reconciliation and fortunately they linked up with the " the last reconciliation and fortunately they linked up with the ".
" production method later named Hall - Heroult method " production method later named Hall - Heroult method . Eru inadvertently in France to realize his great inventions of the economic value of the final to Swiss industrialist with three cooperation Eru inadvertently in France to realize his great inventions of the economic value of the final to Swiss industrialist with three cooperation .
Economic Success
Since the invention in a home with a cold reception, Hall came to town with a well - known metallurgist Alfred E. Hunter, Alfred E. Hunt) cooperation 1888 they and other entrepreneurs who founded the Company of Pittsburgh Reduction Company started 1888 they and other entrepreneurs who founded the Company of Pittsburgh Reduction Company started .
is a small manual mill,But the success of the business and later expanded the business of a lot of aluminum is a small manual mill,But the success of the business and later expanded the business of a lot of aluminum . Reduction Company of Pittsburgh from 1907 - renamed National Aluminum Company of America, Alcoa abbreviations), where it has long monopolized the aluminum products market as the major shareholder Hall Reduction Company of Pittsburgh from 1907 - renamed National Aluminum Company of America, Alcoa abbreviations), where it has long monopolized the aluminum products market as the major shareholder Hall .
rich up rich up . Arkansas opened in 1907 in bauxite,In Illinois and opened a refinery in New York and Canada launch three Arkansas opened in 1907 in bauxite,In Illinois and opened a refinery in New York and Canada launch three .
Alcoa smelter - - still the world's best - known market leader Alcoa smelter - - still the world's best - known market leader . Hall - Heroult method lower aluminum prices until they become a useful material for civilian Hall - Heroult method lower aluminum prices until they become a useful material for civilian .
to 1900, when output has risen to around 80,000 tons of " to 1900, when output has risen to around 80,000 tons of "." in the aluminum production remains ahead of other non - ferrous metal output of " in the aluminum production remains ahead of other non - ferrous metal output of .
Modern Molten Electrolysis
Austrian Karl Joseph Bayer improves the Hall - Heroult process, oxide and silicate are again rinsed bauxite deposits, and has now become the industrial production of aluminum by the Bayer Austrian Karl Joseph Bayer improves the Hall - Heroult process, oxide and silicate are again rinsed bauxite deposits, and has now become the industrial production of aluminum by the Bayer . this economically feasible production methods of alumina materials applicable this economically feasible production methods of alumina materials applicable .
electrolyte used in the form of a mixture of alumina and cryolite electrolyte used in the form of a mixture of alumina and cryolite . respectively placing the anode and the cathode to the reactor after a three - phase AC power (about 200, 000 amperes), the raw material at 950 C in the melt of the electrolytic cell, wherein the density of the liquid aluminum is precipitated at the bottom of the pool respectively placing the anode and the cathode to the reactor after a three - phase AC power (about 200, 000 amperes), the raw material at 950 C in the melt of the electrolytic cell, wherein the density of the liquid aluminum is precipitated at the bottom of the pool .
Forgetting One Of The "i"
Hall created the American aluminum in the word Hall created the American aluminum in the word . at Oberlin College, also in the Hall's book disclosed in the notes for aluminum, the spelling "aluminium smelting process" (aluminum refinement process the word at Oberlin College, also in the Hall's book disclosed in the notes for aluminum, the spelling "aluminium smelting process" (aluminum refinement process the word .
Hall of the revolutionary achievements in the United States has an enormous wide - ranging implications that many Americans still trying to spell the word when using only one aluminum i (aluminum), instead of the correct of the two i (aluminium) Hall of the revolutionary achievements in the United States has an enormous wide - ranging implications that many Americans still trying to spell the word when using only one aluminum i (aluminum), instead of the correct of the two i (aluminium) . however the British have little sympathy for this foolish,In British literature still spelled however the British have little sympathy for this foolish,In British literature still spelled .
aluminium aluminium.
Honor
Hall, a distinguished alumnus and benefactor, the Oberlin College where he built a statue to commemorate Hall, a distinguished alumnus and benefactor, the Oberlin College where he built a statue to commemorate . university students and the Hall's aluminium statue and very intense university students and the Hall's aluminium statue and very intense .
because of the statue is relatively light in weight, often in the student protests of the time were bulldozed or removed the " because of the statue is relatively light in weight, often in the student protests of the time were bulldozed or removed the "." is the university is a statue on a heavy granite base and moved to the new science center (Oberlin New Science Center has been placed on the second floor of " is the university is a statue on a heavy granite base and moved to the new science center (Oberlin New Science Center has been placed on the second floor of .
but still keen to come to class of students in the festivals of all "dirty" and other decorative items that decorate the statue on but still keen to come to class of students in the festivals of all "dirty" and other decorative items that decorate the statue on . 1911,Hall's achievements earned him the prize, the American chemical industry, the Perkin Medal (Perkin) 1911,Hall's achievements earned him the prize, the American chemical industry, the Perkin Medal (Perkin) .
US Pat No
Hall in 1886 his work of the Process from aluminium reducing its fluoride salts to the patent office to apply for, and in 1889 was ratified on April 2 Hall in 1886 his work of the Process from aluminium reducing its fluoride salts to the patent office to apply for, and in 1889 was ratified on April 2 .
