1. Introduction 2. Materials and methods 2.1 Preparation of simulated borate waste 2.2 Synthesis of metakaolin-based geopolymerwaste form 2.3 Characterizations of borate waste andmetakaolin-based geopolymer waste form 3. Results and discussions 3.1 Chemical characteristics of borate waste 3.2 Physical and chemical characteristics ofmetakaolin-based geopolymer waste form 4. Conclusions ACKNOWLEDGEMENT