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| Application of on-line near-infrared spectroscopy analyzer in quality control of soybean meal |
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| DOI：10.12166/j.zgyz.1003-7969/2020.12.027 |
| KeyWord:near-infrared spectroscopy analyzer on-line monitoring soybean meal quality control application |
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| Abstract: |
| The moisture, crude protein content and crude fat content in soybean meal were determined on-line by installing a near-infrared spectroscopy(NIR) analyzer on production line, and the effects of installation location of NIR analyzer, soybean meal flow rate and flow stability on the error of determination results by on-line NIR analyzer and traditional national standard method were measured. The results showed that through the technical transformation of the discharge port, adding the limiting baffle and flow regulating handle, the flow rate and flow of soybean meal were stable, which could reduce the error. The on-line NIR analyzer was installed at the rear of the finished meal chute, and the absolute errors of determination results of moisture, crude protein content and crude fat content in soybean meal by the on-line NIR and national standard method were less than 0.20%, 0.30% and 0.10% respectively. The results of on-line NIR was stable and reliable, and could be used for the quality control of soybean meal production process. |
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