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Nano Cellulose Preparation by Homogenization Process

Nano Cellulose Preparation by Homogenization Process

Description and salient Technical features

A process for preparation of nanocellulose from microcrystalline cellulose (MCC) by homogenization process is established. The MCC is prepared from the cotton fibres / cotton linters by traditional hydrochloric acid hydrolysis process and treated with zinc chloride for 2 hours for swelling. After swelling, the MCC was completely rinsed in water and subjected to homogenization process up to 40,000 psi pressure.

The size of nanocellulose was analyzed by scanning electron microscopy. The average length and thickness of nanocellulose are less than 500 and 50 nm, respectively as analyzed by scanning electron microscopy (SEM).

Performance Results

The untreated MCC required ten passes for complete conversion to nanocellulose while zinc chloride pre-treated MCC required only five passes for complete conversion. So, there is 50% reduction in energy consumption. The yield of nanocellulose is more than 95%.

Cost: Rs.30 Lakh


How the new technology will impact the income of the farmers / end users:

This process will add value to the cotton wastes coming out of textile mills and non-spinnable cotton fibres.

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