D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 23/10 (2006.01) C02F 1/66 (2006.01) C02F 1/68 (2006.01) D21C 9/00 (2006.01) D21H 23/20 (2006.01) C02F 1/48 (2006.01)
Patent
CA 2469389
The present invention relates to an apparatus and a method for controlling the alkalinity and the pH of an industrial process. The apparatus is adapted for being located outside a main process stream of the industrial process. The apparatus includes inlet means (2, 3, 4) for a basic substance, an acidic substance and water, control means (6) for said inlet means (2, 3, 4), a reactor (1) for reacting the basic substance, the acidic substance and the water for providing a predefined alkalinity and pH in the resulting aqueous buffering mixture, and outlet means (9) for supplying said buffering mixture to the main process stream for controlling the alkalinity and the pH of the industrial process.
Cette invention a trait à un appareil, ainsi qu'au procédé correspondant, permettant d'agir sur l'alcalinité et le pH dans un processus industriel. Cet appareil est conçu pour être installé hors du circuit principal du processus industriel. Cet appareil, qui comporte des dispositifs d'admission (2, 3, 4) pour substance basique, substance acide ainsi que pour l'eau, une unité de commande (6), gérant ces dispositifs d'admission (2, 3, 4), un réacteur (1) dans lequel réagissent les substances, basique et acide, ainsi que l'eau afin d'obtenir une alcalinité et un pH prédéterminés dans le mélange tampon aqueux résultant, comporte également des dispositifs de sortie (9) transférant ce mélange tampon vers le circuit principal et ce, afin d'agir sur l'alcalinité et le pH dans le processus industriel.
Linde Aktiengesellschaft
Robic
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