Technical data of must rectification plants with organic acid recovery

Penta-Rec systems are advanced plants designed for the rectification of grape must with the added capability of recovering organic acids. This dual-action process not only produces high-quality rectified concentrated must (MCR) but also captures valuable organic acids (such as tartaric and malic acid) that would otherwise be lost, improving the overall economic efficiency of the winery.

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Acid Recovery

The core innovation of the Penta-Rec system is its ability to selectively recover organic acids during the deionization phase. These acids are purified and concentrated, becoming a valuable byproduct for acidification or other winery uses.

Rectification

The plant performs a complete rectification of the must, removing cations, anions, and coloring matter. The result is a pure sugar solution (glucose and fructose) that meets the highest standards for MCR production.

Efficiency

By integrating acid recovery into the rectification process, Penta-Rec plants significantly reduce the environmental impact and operational costs, turning waste streams into profitable resources.

Process concept and operating strategy

The Penta-Rec process utilizes a sophisticated sequence of ion-exchange resins and specialized recovery units to achieve maximum purity and resource capture.

The must passes through cationic and anionic resin beds that remove minerals and organic acids. Unlike standard systems, the anionic regeneration stream is processed to isolate the acids.

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Simultaneous must rectification and organic acid recovery.
Production of high-purity Rectified Concentrated Must (MCR).
Significant reduction in waste disposal costs.
Recovery of valuable tartaric and malic acids.
Fully automated and optimized for low energy consumption.

Useful references

Grape Must Rectification
Organic Acids in Wine

Sizing inputs:
Must volume, initial acidity profile, desired MCR purity, and required acid recovery rate.