Lynas plant waste residue can be used to boost oil palm growth

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NSTletters I spent time conducting research on a by-product of Lynas’ chemical plant for agriculture (oil palm), which is the non-radioactive neutralisation underflow (NUF) residue, or magnesium-rich synthetic gypsum.

Lynas was built to produce rare earth, which is needed in high-end industries, and is not a nuclear reactor.

I spent time conducting research on a by-product of Lynas’ chemical plant for agriculture , which is the non-radioactive neutralisation underflow residue, or magnesium-rich synthetic gypsum.Along the way, two contrasting by-products are produced.After a series of chemical processes, radioactive water leach purification residue is produced. This is followed by NUF residue production.

A team of researchers from Universiti Putra Malaysia and Universiti Kebangsaan Malaysia, led by myself, has evaluated the benefit of applying NUF on land with oil palm.The application of the by-product has a positive impact on oil palm in terms of growth and production. In a glasshouse study conducted at UPM in Serdang, the NUF application was found to have re-duced soil acidity, resulting in oil palm seedlings having better growth.The same thing can be done with the WLP produced by Lynas, but it has to be done with caution to ensure the sustainability of the process.It has been reported that the WLP produced by Lynas can be used as fertilisers and help reduce the import of phosphate rocks.

 

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