By Dr. Nur Fatien Muhamad Salleh, Universiti Sains Malaysia
| 1 | Question from Dr. Zubaidah Aimi Abdul Hamid | 1. What is the special characterization/properties of tea waste that make the researcher choose it as raw material? 2. Why acid treated can absorb more? what is the mechanism involved? |
| 2 | Question from Mr. Sunny John A. Lood | 1. What is the effect of acid? 2. What is the mass of absorb metals per volume of the tea waste solution? 3. What makes tea waste absorbent to Ni and Cr? |