khadim samani currently separates 40 wet and dry waste processing units and 40 units, still in many cities the garbage collectors provoke them. in khorramabad city , dry waste is not separated in homes and offices, and the municipality collects dry waste in a mixed manner. they transfer to the waste site, but from this amount less than 10% is recycled, if you remove the waste of recoverable materials, you put it in the trash can along with thousands of other wastes, it seriously reduces the quality , and it goes to the three points that this factory that wants to play has no say, and its recycling is limited to waste processing as well. 100% are not suitable for separating dry and wet waste. one of the problems that we have in composting is the sharp materials of birds, metal, plastic, and glass . educating citizens on the separation of sufficient credits to set up waste site location lines, there are problems in the city of gonabad, with the implementation of interactive and intelligent programs, dry waste is bought door to door from citizens, such as birjand and other citizens, and that