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By Justin Tseng Because of how different the materials being handled were, these original MRFs were not considered solid waste facilities, and were instead deemed “clean MRFs.” In some areas, however, it became necessary to recover recyclables from a mixed wastestream, creating the need for “dirty MRFs.” As recycling emerged as a more prominent goal in legislation and culture, the demand and importance of MRFs grew. Over time, MRFs have taken on additional roles besides the processing of recyclables, in...... continue reading
From: MSW Management Topics: Materials, MRF-TS, Recycling
By Brian Tippetts Liability or asset? Well-planned landfills are seen as community assets. The same, however, cannot be said of orphan and latchkey landfills. Orphan landfills , lacking a caretaker, become de facto wards of the government, languishing with minimal attention. Latchkey landfills have a caretaker, but one who takes only minimal legal care of the property. Orphan and latchkey alike, these landfills are unwanted—resented for their long-term care costs—while their potential values remain hidd...... continue reading
From: MSW Management Topics: Landfill, Materials, Special Wastes
By John Trotti Those of us who have marveled at how Monterey Regional Waste Management District’s (MRWMD) integrated waste management system manages to pull rabbits out of its hat—think dirty MRF, landfill with 150 years of space, and its highly successful Last Chance Mercantile operation that brings reuse to a new high—once again we find ourselves eagerly dazzled by its headfirst plunge into the energy-from-waste pool. In conjunction with the California Energy Commission and Zero Waste Energy (ZWE). MR...... continue reading
From: MSW Management Topics: Materials, Special Wastes, WTE
By N.C Vasuki Closure of landfill cells involves the costly effort of capping to meet USEPA’s regulatory requirements. After closure, the landfill cell cap must be monitored and maintained for a minimum period of 30 years. The long-term maintenance costs include collection and treatment of leachate, as well as the collection and utilization of landfill gas for use as fuel or for flaring to meet the regulatory requirements. In addition, the landfill owner must also monitor the quality of the groundwater ...... continue reading
From: MSW Management Topics: Financial, Landfill, Materials
by John Trotti Regardless of how delicious the food from the kitchen of your favorite restaurant is, there’s something going on behind the scene you won’t find on the menu, notably that bilious vetch of fats, oils, and grease we euphemistically call FOG. Some of it—the yellow stuff—occasionally finds its way into such recognizable products as biodiesel, but there’s also its sinister half brother, the dark-colored glop caught by grease traps that people with sucker trucks charge good money to haul away a...... continue reading
From: MSW Management Topics: Environment, Materials, Wastes
Written by Carol Brzozowski About one-third of municipal solid waste in the United States is organic, including foodwaste, yardwaste, and woodwaste. Some 65% of yardwaste and 2.5% of foodwaste in the US is now being diverted from disposal. According to the USEPA, converting waste into valuable raw materials through recycling creates jobs, builds more competitive manufacturing industries, and adds significantly to the US economy. “Organics processing is crucially important to our environment and ef...... continue reading
From: MSW Management Topics: Materials, Recycling, Wastes
By Don Talend
Some recycled commodities are in demand locally, but adjusting operations to trends in global markets is a wise strategy for the future.... continue reading
From: MSW Management Topics: Financial, Materials, Recycling
By Daniel P. Duffy
SWANA Technical Division Article - As late as last fall it looked like the markets for scrap metal and recyclable materials could only go up, and the sky was the limit.... continue reading
From: MSW Management Topics: Environment, Materials, Recycling
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