JULY 1999

Vol. 40, No. 7
 
 
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Page Articles
30 JUNK ARTISTS AT WORK
DUMPSTER DIVERS GIVE A BOOST TO RECYCLING
David Biddle
Typical of other groups around the nation, Philadelphia’s band of “junkaholics” is constantly in search of discards to create specialized output..
 
  INSTITUTIONAL ORGANICS RECYCLING
34 RECYCLING AT INSTITUTIONS
COMPOSTING AND VERMICOMPOSTING AT CORRECTIONAL FACILITIES
Rhonda Sherman
Four prisons in the Carolinas develop systems for diverting organic residuals from landfills.
38 IMPLEMENTING A PROJECT
COMPOSTING FOOD RESIDUALS ON CAMPUS
Judy Purman
Based on their own experiences, University of Wisconsin professors explain what’s needed to connect kitchen staff, students, haulers and composters in a successful program.
42 SUSTAINABLE MANAGEMENT
A TOWN-GOWN RECYCLING CONNECTION
The dining service at Bates College in Maine finds ways to connect the campus to the community — and save money in the process.
 
  WOOD PROCESSING OPPORTUNITIES
46 MAKING MULCH
MUNICIPAL COMPOSTER EXPANDS AS WOOD PROCESSOR
Jim Glenn
Ten years ago, the Islip, New York facility built an infrastructure to accept grass clippings as well as other yard trimmings. Now it’s taken a similar approach to handling wood residuals.
48 BUSINESS EVOLUTION
TREE CARE FIRM BECOMES CUSTOM GRINDER AND MULCH MARKETER
Molly Farrell
Purchase of grinder starts the (wooden) ball rolling for Indiana company that now works with municipalities and waste haulers — and is buying a composting facility.
50 COMMUNITY LUMBER
MILLING OPTION FOR URBAN TREES
Indiana community invests in portable sawmill to
process cut trees, providing an income-generating alternative to disposal.
 
52 CURRENT OPPORTUNITIES
LATEST PROGRESS IN ANAEROBIC DIGESTION
Phil Lusk
Systems recovering biogas and processing organic residues move forward after a slow start, as economics improve and manure management regulations get tougher. Part I
53 ANAEROBIC DIGESTION FOR MSW IN EUROPE JUMPS 750 PERCENT
AD treatment capacity for solid waste organics (excluding manures and wastewater sludge) totaled 122,000 tons in 1990. The projection for the year 2000 is that 53 plants across Europe will process more than one million tons.
55 DIGESTER GETS FACE-LIFT ON CALIFORNIA DAIRY FARM
After 16 years of successful operation, the Langerwerf Dairy digester system needed renovations. Cleanout turned out to be “easier than anticipated.”
 
57 GRASSROOTS ACTION
WHAT’S NEXT FOR NONPROFIT RECYCLERS?
David Wollner
Like other nonprofit recycling groups formed in the 1960s and 1970s, BRING laid the groundwork for municipal recycling programs. Now — what about its future role?
 
62 IMPROVING PERFORMANCE
LONGER LIFE FOR BIOFILTERS
Nora Goldstein
Here are some tips on how to maximize performance and minimize costs.
 
  FORUMS
63 COMPOST OPERATORS
VERSATILE BLENDS SUCCEED IN THE MARKET
Molly Farrell
A Vermont dairy farm found a profitable route to handling manure from its operation, as well as from other farms. Today, its lines of bagged compost products are sold throughout New England.
66 COMPOST USERS
ANALYZING COMPOST ECONOMICS
Mohammad Rahmani, Alan Hodges and Clyde Kiker
Factors measured in Florida study include costs and benefits of applied compost, impact of feedstock quality, application rates, yield increases and fertilizer usage.
 
70 THE BIG PICTURE
BIOSOLIDS MANAGEMENT IN THE WESTERN REGION
Lauren Fondahl
Beneficial use dominates in the western United States, but landfilling and storage play a significant role.
 
75 FROM CURBSIDE TO COMPOSTING
EVALUATING DEGRADABLE POLYMERS IN CONTROLLED LABORATORY ENVIRONMENTS
Kathleen Shaw
Tests conducted at Canada’s National Research Council’s laboratories measure the performance of commercial composting bags.
   
  Each issue also features departments such as: BioCycle World, Reader's Q&A, Regional Roundup, Abstracts and Industry News.