Cover: BioCycle May 2018
BioCycle May, 2018

Facilitating Food Waste Digestion
Repurposing Composting Infrastructure
• From Drugs To Bugs

Editorial: Aspirational And Essential
Nora Goldstein, Editor, BioCycle

Nora Goldstein
BioCycle May 2018, Vol. 59, No. 4, p. 4

BioCycle World
BioCycle REFOR18 18th Annual Renewable Energy From Organics Recycling Conference

BioCycle May 2018, Vol. 59, No. 4, p. 6

Composting Roundup
Seattle Woodland Park Zoo's Zoo Doo

BioCycle May 2018, Vol. 59, No. 4, p. 10

Anaerobic Digest
Stratford, Ontario Water Pollution Control Plant now featuring codigestion

BioCycle May 2018, Vol. 59, No. 4, p. 12

Repurposing Composting Infrastructure
The original composting structure (inset) was retrofitted to house 3 primary and 2 secondary aerated static pile (ASP) bays with concrete block walls (left).

A Vermont solid waste district utilized a defunct biosolids composting site to create capacity for processing food waste.
Marsha W. Johnston
BioCycle May 2018, Vol. 59, No. 4, p. 15

Science + Prisons Create Innovative Solutions
“These prisoners …. are fathers who care about the world their children are growing up in, they are environmentalists who care about the planet …,” said Nick Hacheney of his fellow “worm farmers” at the certification ceremony.

Sustainability in Prisons’ vermicomposting certification highlights how environmental science collaborations in prison benefit society and incarcerated people alike.
Nick Hacheney and Kelli Bush
BioCycle May 2018, Vol. 59, No. 4, p. 17

From Drugs To Bugs
Black soldier fly larvae

My journey from a gang member to a Master Vermiculture Specialist.
Juan Carlos Hernandez
BioCycle May 2018, Vol. 59, No. 4, p. 19

Partnership Launches Correctional Facility Composting
The retrofit required laying perforated piping on the floor, and installing fans and timers with a supporting electrical system. Food waste is composted with yard trimmings and soybean meal (inset).

Created via a unique public-private partnership, a converted cattle barn is being used to compost food waste from the prison and commercial generators.
Marsha W. Johnston
BioCycle May 2018, Vol. 59, No. 4, p. 21

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Waste Hauling Franchise Agreement Fundamentals
In Portland, Oregon, companies that haul only 100% source separated organics or recyclables are not required to obtain a commercial permit.

Niche haulers collecting food waste are encountering restrictions — and opportunities — posed by solid waste franchise agreements.
Craig Coker
BioCycle May 2018, Vol. 59, No. 4, p. 24

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Facilitating Food Waste Digestion
Dry fermentation digester at Blue Line Transfer processes about 11,000 tons/year of residential and commercial food waste and green waste.

Increasing volumes of commercial food waste, much of it contaminated or packaged, led digestion facility in South San Francisco to install a depackaging unit.
Nora Goldstein
BioCycle May 2018, Vol. 59, No. 4, p. 32

Nutrient Credits Start To Surge
Chesapeake Bay Nutrient Credits

Nutrient credit initiatives are proceeding with relative speed in several states. This could be good news for anaerobic digestion projects.
Michael H. Levin
BioCycle May 2018, Vol. 59, No. 4, p. 35

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Connections: Recycled Paper’s Fuel Potential
Sally Brown

Sally Brown
BioCycle May 2018, Vol. 59, No. 4, p. 39

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Equipment News
Peterson Pacific Corp. 3310B drum chipper

BioCycle May 2018, Vol. 59, No. 4, p. 40