Patent ID: 8501663
Filing Date: 2013-08-06
Classification: B01D,B01J,C01B,C02F

Abstract:
1. A method for preparing a pre-activated adsorbent based on ground raw avocado seed particles or cut raw avocado seed particles, said method comprising the steps of: i. adding sodium hydroxide (NaOH) solution to the ground or cut raw avocado seed particles as a raw material forming a primary mixture; ii. decanting said primary mixture leaving primary residues; iii. adding hydrogen chloride (HCl) solution to said primary residues forming a secondary mixture; iv. agitating said secondary mixture: v. adding water to said secondary mixture; vi. agitating said secondary mixture with water; vii. settling said secondary mixture with water; and viii. decanting and filtering said secondary mixture leaving said pre-activated adsorbent.