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PL276013A1
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Installation for supplying aeration grates in aeration chambers
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PL273542A1
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Method of recovering benzol from accidental discharges or overflows in particular those from coke-making plants
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PL273541A1
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Apparatus for recovering benzol from accidental discharges or overflows in particular those from coke-making plants
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PL273540A1
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Method for purying gas,especially coke oven gas,from oil content
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PL255436A1
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Liquid aearating grate in particular for waste water
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PL255472A1
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Method of thorughly purifying coke oven gas with simultaneous purification of ammonia liquor
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PL254253A1
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Packing for a mass exchange apparatus
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PL251496A1
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Method of utilizing waste sulfuric acid from crude benzene refining process
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PL247243A1
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Nozzle
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PL247005A1
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Apparatus for cleaning and preparation of coke-oven gas for combustion of ammonia
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PL247006A1
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Method of preparation of gas for combustion of ammonia
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PL246985A1
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Method of recovery of waste heat of wash oil
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PL246986A1
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System for debenzolizing of wash oil and for cleaning of coke-oven gas with simultaneous recovery of waste heat of wash oil
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PL244944A1
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Absorber in particular for hot oil vapours
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PL244945A1
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Method of purification of vapours of wash oil in the process of production of crude benzole from coke-oven gas and apparatus therefor
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PL243576A1
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Apparatus for size-grading of loose materials
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PL241793A1
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Method of purification of coke oven gas and acid gases obtainable in desulfurization processes from hydrogen cyanide
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PL241792A1
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Apparatus for purification of coke oven gas and acid gases obtainable in desulfurization processes from hydrogen cyanide
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PL241650A1
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Method of preparation of coal for coke production
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PL238387A1
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Method of obtaining crude phenols
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