Some people buy hybrid cars to save energy. As for me, I do my part by not recycling paper, glass, or plastic. Well, at least not at the curbside. The occasional Boy Scout paper drive may be economically defensible. But sending around city trucks to pick up glass, paper, and plastic actually consumes more energy than it saves. And it may even pollute the air more than just pitching this stuff in the trash. A little thought shows why. It takes as many trucks to collect perhaps four to eight pounds of recyclables that a typical household generates as it does to pickup the 40 pounds of refuse created by the same residence. This reality creates situations as have emerged in the city of Los Angeles, where officials now figure the city's fleet of garbage trucks is twice as large as it would be without recycling, 800 rather than 400 trucks. Similar economics are at work in cities everywhere. The issue has been closely examined by the Franklin Associates Div. of the Eastern Research Group. Franklin has for years prepared the national characterization of municipal solid waste published by the U.S. EPA. It also has looked at the cost per ton of handling recyclables through curbside pickup. One of Franklin's conclusions is that curbside recycling typically costs 55% more than simple disposal because it consumes huge amounts of capital and labor per pound of recycled material. Recycling proponents sometimes claim that curbside recycling is worthwhile because it conserves space in landfills. The mayor of my own community once remarked approvingly about how his recycling program had reduced tippage fees for landfill use. What he did not mention was that the recycling program was subsidized out of tax receipts. Its true cost far exceeded any savings. But this sort of dishonesty is
Products & Services
Truck bodies are assemblies that attach to a truck chassis for tasks such as towing, dumping, or product storage and delivery. Truck body suppliers do not manufacture the vehicle itself. Rather, they build a task-specific assembly that attaches to the chassis of the vehicle.
Material Handling Carts and Trucks
Industrial carts and industrial trucks are used to transport equipment or materials within the premises of a facility. They are frequently manually propelled, but motorized version are manufactured. An assortment of carts and trucks are available for a multitude of cargo operations.
Chemical and material processing services modify chemicals and materials and offer a wide range of services.
The EZ COD™ Recycling Service is designed to provide Hach COD customers with an inexpensive, reliable, easy to manage, safe and environmentally friendly disposal and recycling service for used...
Topics of Interest
Machine vision spots treasure in trash and makes possible single-stream recycling. Recycling was a somewhat onerous process when first introduced in North America and Europe. Participants presorted...
8.4 POLYETHYLENE TEREPHTHALATE (PET) RECYCLING
The largest source of PET in the MSW stream in the United States is packaging, as shown in Fig. 8.16. For many years, PET was the most recycled plastic...
kanat Kyoto Protocol 1997
Karst is a terrain underlain by soluble rock such as limestone. Karst is mainly formed by the dissolution of rock to form caverns,...
8.3 RECYCLING PROCESSES
Recycling processes for plastics can be classified in a variety of ways. One categorization differentiates between primary, secondary, tertiary, and sometimes quaternary...
Diminishing landfill space and concern about pollution from landfills and incinerators led to a reevaluation of waste disposal practices in the 1980s.