Process for making a mixture of ethylene and butene-1

A process for making a mixture comprising ethylene and predominantly butene-1 which comprises reacting ethylene with a dilute trialkyl aluminum solution in an inert hydrocarbon in a boiling bed reaction zone under a pressure in the range from 100 to 1,500 psig, a temperature in the range from 200.degree. to 325.degree. C., with an ethylene to trialkyl aluminum weight ratio in the range from 2,500 to 10,000.

A process for making a mixture comprising ethylene and predominantly butene-1 which comprises reacting ethylene with triethyl aluminum in an inert hydrocarbon solvent in a boiling bed reaction zone under a pressure in the range from 300 to 600 psig, a temperature in the range from 250.degree. to 280.degree. C., whereby the ethylene and triethyl aluminum weight ratio is in the range from 4,000 to 8,000.

A process for making a mixture comprising ethylene and predominantly butene-1 which comprises reacting an excess of ethylene with a dilute trialkyl aluminum solution in a solvent in a vertical reaction zone under a pressure in the range from 100 to 1,500 psig, a temperature in the range from 200.degree. to 325.degree. C. with an ethylene to trialkyl aluminum weight ratio in the range from 200 to 20,000 whereby said solvent is heated to the boiling point at the lower end of said reaction zone by said reaction and cooled below said boiling point at the upper end of said reaction zone.

A process for making a mixture comprising ethylene and predominantly butene-1 which comprises reacting an excess of ethylene with a dilute trialkyl aluminum solution in an inert hydrocarbon in a vertical reaction zone under a pressure in the range from 100 to 1,500 psig, a temperature in the range from 200.degree. to 325.degree. C., with an ethylene to trialkyl aluminum weight ratio in the range from 2,500 to 10,000 whereby said hydrocarbon is heated to the boiling point at the lower end of said zone by said reaction and cooled below said boiling point at the upper end of said zone.

A process for making a mixture comprising ethylene and predominantly butene-1 which comprises reacting an excess of ethylene with a dilute triethyl aluminum solution in an inert hydrocarbon solvent in a boiling bed reaction zone under a pressure in the range from 300 to 600 psig, a temperature in the range from 250.degree. to 280.degree. C., whereby the ethylene and triethyl aluminum weight ratio is in the range from 4,000 to 8,000 whereby said solvent is heated to the boiling point at the lower end of said reaction zone by said reaction and cooled below said boiling point at the upper end of said reaction zone.