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US3930675A
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Strain equalizer for thermally stressed pipes
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Production of sulfuric acid from the scrubbing solution obtained in the desulfurization of coke-oven gas
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ZA7301271B
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Method of producing sulphuric acid method of producing sulphuric acid
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Process for the production of a sulphur dioxide-containing gas
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Process for the production of dense soda
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Process for the production of sodium carbonate monohydrate from a sodium hydroxide solution formed in the diaphragm process
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Process for the manufacture of lactams
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Process for working up the wash solution obtained in the washing of so2-containing off-gas using aqueous ammonia
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FR2132145A1
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Fertiliser granules - by spraying falling layer of fertiliser particles with vibrating jet of aqs fertiliser liquid
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ES400323A1
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Process for the cracking of ammonium sulfate
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Continuous distillation of phthalic anhydride with vapor side stream recovery
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ES399593A1
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Process for the preparation of sodium carbonate monohydrate from a sodium hydroxide solution produced according to the diaphragm process
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GB1370951A
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Process for the manufacture of a lactam
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Process for the combustion of ammonium sulphate
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Thermal expansion and contraction compensating system for pipe lines
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Process and apparatus for the production of solid salt hydrates
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Apparatus for the separation of organic acid anhydrides
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Process for cracking sulphuric acid
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Process for the production of hydrated potassium carbonate
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GB1343611A
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Process for the production of dense soda
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