The Indigo Extraction Process The indigo plant growing in the - - PowerPoint PPT Presentation

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Jun 19, 2023 18 likes •253 views

The Indigo Extraction Process The indigo plant growing in the field Indigo extraction site Equipment is set up at the plant site Cutting the indigo plant Carrying the indigo plant from the field to the van Loading the indigo plant on

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The Indigo Extraction Process

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The indigo plant growing in the field

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Indigo extraction site

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Equipment is set up at the plant site

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Cutting the indigo plant

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Carrying the indigo plant from the field to the van

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Loading the indigo plant on the van Moving the indigo to the extraction site

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Weighing the indigo after it is brought in from the field

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Carrying the indigo plant to the first soaking drum

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Putting the indigo into the soaking drum

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The soaking drum is filled to the top with indigo plants

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Inside the soaking drum, the indigo plants are submersed in water and soaked for 18-24 hours

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After soaking the indigo sticks and leaves are removed and the indigo water remains

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These are the indigo sticks and leaves that have been removed from the soaking drum and will be used for firewood

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The indigo water is released from the first tank and put into another soaking tank

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For three hours the indigo water is stirred, then caustic is added, and the stirring continues for another 1-2 hours

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After the stirring and caustic, the indigo water is transferred from the tank to a basket lined with cloth

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After 4-5 hours, the water has drained, and indigo paste remains in the cloth-lined basket

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The indigo paste is spread in the sun

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The indigo paste sits in the sun until it is dry

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The dried indigo paste is ground into powder

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Weighing and packaging the indigo dye

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