VietNamNet Bridge – Carnadol is much more valuable than raw cashew oil which can bring profits of at least VND2 million per ton.
Cardanol is a natural phenol obtained from anacardic acid, the main element of cashew nut shell oil. The oil is highly effective against metal corrosion and is used in many industries.
Cashew nuts are one of Vietnam’s important industrial crops. According to the 2013 statistical yearbook, the total output of cashew in Vietnam reached 289,900 tons.
However, after harvesting and processing of cashew nuts, the shells have usually been thrown away. Scientists believe that if the shells can be properly treated, the waste will turn into ‘gold’ and bring high profits. Tiếp tục đọc “Technology turns cashew-nut shells into “gold””