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quick vinegar process |
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Answer» The quick vinegar process consist a series of upright wooden casks. Each wooden cask has a perforated false bottom and filled almost to the top with rough wooden shavings. There are holes drilled at the false bottom which allows air to be drawn up through the wooden shavings. On top of the cask is a wooden trough which dispenses small quantities of the mash intermittently over the shavings, trickling down over the filling material. And through the holes in the false bottom, the mash is transferred to the next casks. In each passing, the acidity is raised by about two per cent. The bacteria will settle on the wood shaving while the acidity is gradually raised. |
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