Success Story: Cost Saving and Improved Quality With DO Monitoring at Canning and Bottling Plant - METTLER TOLEDO
 

Success Story: Cost Saving and Improved Quality With DO Monitoring at Canning and Bottling Plant

Significant advantage in cost savings and instrument up-time at a major beer canning and bottling plant in the North West of England
A major UK beer canning and bottling plant implemented a new low-level dissolved oxygen in-line measuring system to ensure consistent beer quality. Significant cost savings through simple on-site calibration and reduced maintenance effort were important positive side benefits.
Customer background information
A major beer canning and bottling plant in the North West of England has been successfully using METTLER TOLEDO dissolved oxygen instruments over the last years. In particular they were monitoring dissolved oxygen in the canning machine delivery line to ensure that the packaged product met the stated quality requirements for flavor and shelf life. This measurement is very important during the start of the canning run when the lines have previously been cleaned. The success of this existing installation has been such that it is proposed to install similar systems on their other can and bottle packaging lines.
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Improving the taste of beer
The original discussion involved the customer's desire to monitor low ppb levels of dissolved oxygen in the line just prior to the canning machine. The negative effects of high oxygen levels on flavor, color and shelf-life of beer were well known to the customer and the target was to maintain a dissolved oxygen level of below 200 ppb.

The high gravity beers from the storage vessels are blended with deaerated liquor and it is during this process that the product can pick up oxygen from equipment such as pumps and valves. The industry as a whole is striving to drive down finished product oxygen levels as a means of improving beer quality......

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