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DE4120519A1
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Reducing loading of waste water esp. from cellulose@ industry - by physico-chemical flocculation before biological purificn.
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DD292044A5
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Method for increasing the fermentability of sulphitate waste
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DD291791A5
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Process for preventing compressions in evaporating plants for sulphate discharge
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DD291578A5
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Method for the dynamic driving of ethanolic gaining of sulphitate
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DD286185A5
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Method for producing ethanol based on sulphitate
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DD286110A5
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Process for vascular preparation in the production of ethanol based on sulphitate
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DD286186A5
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Process for the pre-treatment of sulphital waste for the production of ethanol
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DD286111A5
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Process for reducing spreading
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DD278829A1
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Method for producing pulp for cellulosenitate generation
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DD277713A1
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Method for securing the quality of chemical fiber cell material
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DD259884A1
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Method for correcting hydropneumatic level measurement
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DD257279A1
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Method for improving the quality of paper pulp
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DD257303A1
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Method for fully automatic checking of impregnation in sauce sulphate connection
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DD262144A3
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Method for treating refrigerant for structural refurbishment in the manufacture of chemical fiber cell fabric after the sulfit process
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DD253419A1
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Method for the momentary control of the flooding status of suspensions
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DD242837A1
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Process for increasing the alpha cellulose content
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DD241956A1
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Method for determining the density of fluid media
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DD234293A1
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Method for self-cleaning a system for removing solid-loaded fluid samples from pressure tanks
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DD229447A1
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Method for controlling impregnation in the acid of sulphate
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