| ISSUE CONTENTS: JUNE 2003 |
| MOVING FORWARD IN PORTLAND |
BIOSOLIDS COMPOST REDUCES LEAD BIOAVAILABILITY IN URBAN SOILS
Sally Brown and Rufus Chaney
Study determines the effect of different types of biosolids and biosolids processing methods on reducing lead bioavailability in urban soils. p20 |
BALTIMORE PUTS RESEARCH FINDINGS TO WORK REMEDIATING SOILS
Biosolids compost was applied to residential yards with lead concentrations averaging about 1,000 ppm. p20 |
BRINGING BIOPRODUCTS TO MARKET
William J. Orts, Maria Inglesby and Gregory M. Glenn
Innovative molded-fiber technology uses 100 percent recycled paper to develop environmentally-superior packaging materials. p25 |
COMMERCIAL FOOD RESIDUALS INITIATIVE IN NORTH CAROLINA
Joe Clayton and Rhonda Sherman
In Orange County, more than 870 tons/year of food residuals are collected from groceries, breweries and restaurants, and composted to everyone’s satisfaction.p28 |
MAPPING THE DENSITY OF FOOD RESIDUALS GENERATION
Karen A. Michaels
A density mapping tool developed for the Massachusetts Department of Environmental Protection is being integrated with a GIS system to track the progress and future potential of organics diversion in the state. p31 |
DIGESTER AND COMPOSTING ANCHOR MANURE SOLUTION
Sam Scupham and Lew Naylor
Concerned conservationists, farmers and Pennsylvania citizens confront the issue of elevated nitrate levels in water and head toward an alternative that generates renewable energy and compost. p35 |
ANAEROBIC DIGESTION UPDATE
Jerome Goldstein
An assortment of biomass recovery projects illustrates the wide range of initiatives currently in progress. Included are an AD facility for hog manure, an energy park “powered” by dairy cows, and gasification of pecan shells. p39 |
STRUCTURAL OPTIONS FOR COMPOSTING FACILITIES
Dan Emerson
Key to the building evaluation process is choosing materials, protective coatings and structural elements that prove durable in extremely corrosive environments. p40 |
LARGE ANIMAL MORTALITY COMPOSTING GOES MAINSTREAM
Robert Rynk
Composting has captured the attention of livestock producers as a means to manage mortalities. Activity in Colorado is a case in point. p44 |
EXEMPTION FROM LEGISLATED BAN ON LANDFILLING YARD TRIMMINGS DENIED
State legislature passes law that in effect exempts Metro Waste Authority in Des Moines, Iowa from state ban on landfilling yard trimmings. Governor vetoes bill. p51 |
SEWAGE SLUDGE COMPOSTING ON THE ISLAND OF CRETE
T. Manios, K. Maniadakis, N. Frantzeskaki, E.I. Stentiford, V. Manios, I. Kritsotakis and G. Dialynas
Pilot tests indicate optimum sludge to bulking agent ratios, effects of replacing green materials with wood chips, and variations in compost product quality. p53 |
BIOSOLIDS USE INCREASES PINE PRODUCTION
Hailong Wang and G.N. Magesan
This case study on a pine plantation shows how biosolids significantly improved site productivity without adverse effects on the ecosystem.p56 |
EXPANDING MULCHING, COMPOSTING... AND END PRODUCT MARKETS
Shinji Izawa and Rod Tyler
Japanese firm is fully diversified into land clearing, grinding, composting, erosion control, water treatment, manufactured lumber, colored mulches and bagging. p57 |
PLANNING THE WASTE MANAGEMENT FUTURE FOR ORKNEY AND SHETLAND ISLANDS
Gareth Evans
Limited land, no easy or cheap way to export waste — plus a district heating plant, some composting and a potential anaerobic digestion system — make the region an organics recovery leader. p59 |
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WHY RECOVERY RATE FOR RECYCLABLES HIT 48.8 PERCENT Steve Apotheker
The “unexplainable” becomes reasonable in this analysis of materials recovery in Oregon’s major urban center. p20 |
COMMINGLED CURBSIDE IS POPULAR
Household surveys indicate that about 90 percent of eligible regional households participate at least once a month. p22 |
SEPARATION AND COLLECTION OF COMMERCIAL FOOD RESIDUALS Steven Sherman and Salvador Velasco
Generator perspectives on the barriers and benefits to implementing a citywide program for commercial food residuals were obtained in a survey of Portland’s business community. p23 |
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TRANSPORT OPTIONS FOR ORGANIC RESIDUALS AND FINISHED PRODUCTS
Truck body suppliers have introduced a range of options to meet the unique transport needs of composters and organics recyclers. p26 |
VERSATILITY KEY TO WOOD WASTE, C&D DEBRIS RECOVERY Rhonda Sherman
Initiatives include a C&D recycling ordinance, investment in equipment to process wood, and adding more value to finished mulch products. p30 |
COLORED CHIP PRODUCTION
Mecklenburg County, North Carolina colors wood chips made from ground pallets. p32 |
COLORING LOGISTICS
Red is by far the most popular mulch color, beating out gold, brown and black. p34 |
COMPOSTING AND ORGANICS RECYCLING VS. BIOREACTORS: ANOTHER PERSPECTIVE Nora Goldstein
Probing the arguments on both sides provides valuable insights and clarification — and perhaps a new framework for future discussions and analyses. p35 |
WASTE MANAGEMENT, INC. RESPONSE Ed Skernolis and Gary Hater
Company’s directors of Government Affairs and Bioreactor/Biosite Technology respond to critical commentary about landfill bioreactor technology and related regulation development. p38 |
AUTHORS RESPONSE TO WASTE MANAGEMENT, INC. Bill Sheehan and Jim McNelly
Commentary authors respond to company’s rebuttal, pointing out bioreactor design flaws and misleading cost estimates. p39 |
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| FORUMS |
CHECKLIST FOR ODOR MANAGEMENT AT COMPOST FACILITIES Jeff Gage
Strategies to minimize generation and emissions of odors cover the full range of composting fundamentals and the needs of decomposer organisms. The checklist [of management practices] will help operators ward off fatal odor problems. p42 |
EVALUATING PERFORMANCE OF COMPOST BLANKETS Thomas D. Glanville, Tom L. Richards and Russell A. Persyn
Two year study in Iowa compared compost blankets to conventional soil treatments for performance relating to storm water runoff control and erosion protection, as well as to assess the impact on water quality. p48 |
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| BIOCYCLE ENERGY |
BIOSOLIDS AND BIODIESEL TEAM UP FOR SUSTAINABLE ECONOMICS
Washington State researchers explore how BIOSOLIDS could lower costs of producing biodiesel from canola crops, increasing income for region’s farmers and boosting renewable energy output. p55 |
| FARM TRIALS IN BIOSOLIDS/BIODIESEL PROJECTp57 |
THREE SMALL-SCALE DIGESTERS SCHEDULED FOR NEW YORK CITY Mitch Klasky
Earth Pledge project is designed to set up biogas recovery systems at two high schools and a community housing center for recycling food residuals. Each unit will generate up to 60kWh of electricity. p58 |
WHEN A CITY’S SURVIVAL DEPENDS ON MORE DAIRIES ... AND MORE MANURE
The process of “enlisting farmers and cows” to design an effective anaerobic digestion regional facility is critical to success — “more important than the specific technology selected,” says one consultant. p59 |
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| COLUMNS |
COMPOSTING VIEW Britt Faucette
Impasse, Evolution Or Explosion p62 |
| Each issue also features departments such as: BioCycle World, Reader's Q&A, Regional Roundup, Abstracts and Industry News. |
