The procedure of amalgamating and delineating mesoporous silica SBA-15 and ZnO/SBA-15 photocatalytic substances is a significant pursuit in the realm of material science. In this specific investigation, the scientists have adopted a distinct and eco-conscious method by employing rice husk ash (RHA) as an agricultural residue. This selection not only adds to the durability of the undertaking but also corresponds with the tenets of eco-friendly chemistry. The utilization of RHA as a forerunner for the synthetic Rice husk ash (RHA), which is an abundant byproduct derived from the rice milling industry, presents an exceedingly beneficial solution in regards to both cost-efficiency and ecological sustainability as a forerunner for the creation of mesoporous silica materials. SBA-15 is widely acknowledged as a mesoporous silica substance that possesses an extraordinary characteristic of possessing arranged hexagonal passageways. This distinct attribute enables SBA-15 to provide a considerably vast surface area, which in turn contributes to its adaptability and appropriateness for a broad spectrum of applications. Furthermore, the pore magnitude of SBA-15 can be modified or calibrated in accordance with particular demands, further augmenting its versatility and efficacy in diverse domains. In general, the remarkable characteristics of SBA-15 make it a superb selection for countless applications that gain advantage from a substantial surface area and adaptable pore dimensions. By integrating ZnO nanoscale particles into the SBA-15 substance, a noteworthy enhancement is witnessed in the photochemical characteristics of the amalgamation. This improvement leads to a more effective breakdown of contaminants when subjected to light exposure.