The use of biochar towards a circular economy- optimisation of chemically activated biochar for aqueous phosphate recovery: PRESENTATION ONLY

Proceedings

• Phosphate rock estimated to run out within 50-100 years [1] Agriculture Food waste Industrial waste

• Our Phosphorous Future Report 50:50:50- 50% reduction in global P pollution and 50% increase in recycling of P lost in residues and wastes by 2050

There is no food security without phosphorous security

Phosphate Pollution Causes: High levels of inorganic nutrients such as phosphate and nitrate. Characterised by:

• Algal blooms

• Oxygen Depletion Pollution Sources [2]:

• Municipal Wastewater

• Industrial Wastewater

• Run off from agricultural land ( chemical fertilisers) Remediation :

• Sorption processes considered the most desirable

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Proceedings