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Abstract

The present invention relates to a process for producing thin juice (17, 27) for the production of sugar, wherein

lime milk—in a first liming step (3)—is first added to a raw juice (14) to obtain a mixture of raw juice and lime milk (15), andthen carbon dioxide—in a first carbonation step (4)—is added to the mixture of raw juice and lime milk (15) to obtain a mixture of raw juice and precipitated non-sugar substances (16), andthe mixture of raw juice and precipitated non-sugar substances (16) is then—in a first filtration step (5)—filtered to obtain a first thin juice (17),lime milk—in a second liming step (3′)—is optionally added to the first thin juice (17) to obtain a mixture of first thin juice and lime milk (25), andcarbon dioxide—in a second carbonation step (4′)—add carbon dioxide to the first thin juice (17) or the mixture of first thin juice and lime milk (25) to obtain a mixture of first thin juice and precipitated non-sugar substances (26), and—in a second filtration step (5′)—filter the mixture of first thin juice and precipitated non-sugar substances (26) to obtain a second thin juice (27),whereinat least one first sensor device (21) is used to detect first measurement data relating to the mixture of raw juice and lime milk (15) and/or the mixture of first thin juice and lime milk (25) during or after the first or second liming step (3, 3′), and/orat least one second sensor device (22) is used to detect second measurement data relating to the mixture of raw juice and precipitated non-sugar substances (16) and/or the mixture of first thin juice and precipitated non-sugar substances (26) during or after the first or second carbonation step (4, 4′), and/orat least one third sensor device (23) is used to detect third measurement data relating to the first and/or second thin juice (17).

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First Claim