What Is Compost? :: essays research papers

The process of recycle lave and leaves from curbside collection saves the city lots of money. When residents place their clean brush at the curb,they mustmake sure the pile is no bigger than six feet gigantic and six inches in diameter.All leaves must be determined in classify plastic bags. Brush is collected separately from the leaves because the leaves ar taken to the comppost turn a loss rapidity for recycling.When a waste hauler driver comes to the drop -off facility loaded with brush,he or she must drive onto a scale so the load can be weighed.The driver information,load size and truck weights are then put into the computer for monitoring of driver,location,and weight. This policy helps the city maintain out which part of the city uses more collection or which area of town was affected more by a storm. THe driver provide drive out to the disposal code and bump the brush in a pile.THe piles of brush are then compacted and pushed up until thither is no available room on the site.Roughly every triplet months,the city contracts a munching company to come out and grind all of the brush on the site.It generally takes the grinding company threesome weeks to grind all of the materialAfter the grinding stage,the material is screened by using trammel with 3/8 inch screens.The materials are placed into windrows,this process speeds up the decomposition process.The small particles are then illogical from the larger first grinds. The small material now becomes a intersection known as mulch fines. Once the first grinds have been screened, they ordain be reground using a tub grinder. The reground material is known as reground mulch.The reground material is not treated with any chemicals.It is allowed to cure or sit for 48 to 72 hours after being processed. The much product heats up naturally to temperatures from 140 to180 degrees.The temperture of the leaves is monitored and moisture is added when the leaves start becoming dry.When the leaves start to fragmentize the temperature can rise up to 200 degrees.After the decomposition process has taken place,the temperature decreaces to about 120 degrees. This natural process eliminates bugs and thier eggs.All trash and plastic bags are taken out of the material and it is now ready to be recycled and change for public use.