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GB632519A
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Improvements in or relating to the recovery of ammonia from gases containing it and for the recovery of iron from waste pickle liquor
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GB632518A
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Improvements in or relating to the recovery of ammonia from gases containing it and the recovery of iron from waste pickle liquor
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GB614530A
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Improvement in door handling machines for coke oven and other doors subjected to heat
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GB612076A
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Self-sealing coke oven doors
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US2329377A
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Discharge apparatus
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US2224392A
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Recovery of spilled material
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US1954790A
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Fractionation of liquids
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US1927883A
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Process for treating liquors to remove organic compounds therefrom
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US1935298A
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Method of operating coke ovens
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US1878933A
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Process of treating sludge acid
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US1880631A
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Direct recovery of ammonium sulphate from hot gas
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US1922186A
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Manufacture of direct ammonium sulphate
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US1874387A
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Apparatus for the separation of liquids having different boiling points
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US1878932A
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Motor fuel process
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US1855878A
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Process of treating sludge acid
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US1943653A
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Process for the removal of phenols from ammonia liquors
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US1779944A
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Process of neutralizing washed light oil
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GB269517A
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Improvements in distillation systems
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GB267906A
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Improvements in by-product coke ovens and processes of operating same
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US1878927A
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Process for the removal and recovery of phenols and pyridine from liquors
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