The Global Rice Husk Ash Market Size is Anticipated to Exceed USD 3.88 Billion by 2033, Growing at a CAGR of 4.37% from 2023 to 2033. The protective outer layer of rice husk is burned to produce rice husk ash, a significant green resource with a lot of potential. Before rice is eaten, the husk is removed during the agricultural process. Its chemical makeup is extremely similar to that of microsilica since it likewise has a high specific surface area of non-crystalline silicon dioxide (SiO2) and high pozzolanic reactivity.