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1983-03-30
Process for the removal of acid gases from gaseous streams
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1986-01-30
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1989-09-11
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1983-03-30
Process for the removal of h2s and co2 from gaseous streams
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1987-10-22
Process for the selective removal of hydrogen sulfide from gaseous stream
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1983-04-27
Process for the removal of hydrogen sulphide from gas mixtures
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1984-08-22
The removal of hydrogen sulphide from gas streams
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1988-01-07
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1990-01-31
Apparatus for the separation of gas mixture
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1988-05-18
Improved apparatus for the separation of a gaseous mixture
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1983-07-08
Process for separating gaseous nox from residual gas streams
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1987-11-04
Improved apparatus for the separation of a gaseous mixture
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1985-07-31
Methods for the removal of gaseous impurities from mixed gas streams
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1986-05-01
Methods for the removal of gaseous impurities from mixed gas streams
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1989-10-12
Process for the removal of acid gases from a gas mixture
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1987-04-02
Removal of hydrogen sulphide from gaseous mixtures
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1983-04-27
Process for the removal of hydrogen sulphide from gas mixtures
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1988-01-14
Removal of h2s from gaseous streams
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1984-07-25
Separation of gaseous mixture
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1985-10-30
Removing hydrogen sulphide from gaseous mixture
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1984-11-21
Removal of gaseous impurities from gas streams
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1983-04-27
Process for the removal of hydrogen sulphide from gas mixtures
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1985-08-28
Process and apparatus for the separation of gas mixtures
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1989-05-11
Process and apparatus for the removal of hydrogen sulphide from a gas mixture
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1987-09-24
Removal of hydrogen sulphide from gaseous streams