Abdulmoseen Segun

1. Introduction It is well-known that natural enzymes act as a biological catalyst with extremely high reaction specificity and catalytic efficiency [1]. However, natural enzymes also have their own disadvantages, such as high price, inconvenient storage, extreme sensitivity to extreme environments (humidity, high temperature, strong acids, and strong bases), they are easy to inactivate, and their non-physiological chemicals.

1. Introduction With reduced available land area and the increasingly prominent problems of environmental pollution, construction of underground sewage treatment plants that occupy less space, save land resources, cause less environmental pollution, and that can coordinate with the surrounding environment will gradually become a hot spot in industries and become a new development trend of large-scale urban sewage treatment projects [1].