Cover: BioCycle February 2018
BioCycle February 2018

• Feedstock Mixing Systems
• Innovating To Reduce Wasted Food Left On Farms

Editorial: Looking Back
Nora Goldstein, Editor, BioCycle

BioCycle February 2018, Vol. 59, No. 2, p. 4
Nora Goldstein

BioCycle World

BioCycle February 2018, Vol. 59, No. 2, p. 9

Composting Roundup
sharewaste.org

BioCycle February 2018, Vol. 59, No. 2, p. 11

Anaerobic Digest

BioCycle February 2018, Vol. 59, No. 2, p. 13

Feedstock Mixing Systems
Stationary mixers installed at biosolids composting facility (1). Mechanical mixers evenly spread biosolids around each of the woody carbon bulking agent amendments (2). Cutting blades on Roto-Mix’s vertical flights help reduce size of feedstocks, e.g, whole fruits and cardboard (3). Supplemental offset paddle stirrer (4).

Mixing balances C:N ratios, distributes moisture more evenly, reduces particle sizes and homogenizes feedstocks — all key to getting composting off on the right foot.
Craig Coker
BioCycle February 2018, Vol. 59, No. 2, p. 15

Innovating To Reduce Wasted Food Left On Farms
Broccoli “fines”were a hit with Bon Appétit chefs, but the farmer recognized the volume of waste and changed processing equipment.

Gleaning and minimal processing have facilitated enterprise development and markets for edible produce that is unharvested or cosmetically imperfect. Part I
Marsha W. Johnston
BioCycle February 2018, Vol. 59, No. 2, p. 18

Reducing Compost Stability Test Variability
The diaphragm pump and peristaltic pump setups were established in the laboratory with either four or six vessels each.

Researchers evaluated use of a multichannel peristaltic pump to achieve more stable airflow rates across vessels, resulting in lower sample replicate variability.
Nora Goldstein
BioCycle February 2018, Vol. 59, No. 2, p. 21

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Will The Tax Cuts Act Cut Back AD?
BioCycle Energy

The Act signed into law in late December is better than many forecast — but the jury’s still out regarding the effects on anaerobic digestion and other renewable energy projects.
Michael H. Levin
BioCycle February 2018, Vol. 59, No. 2, p. 2

Anaerobic Digestion Of Paper And Paperboard
paperboard

Paper and paperboard (PPB) are in the mix of pre and postconsumer feedstocks destined for AD and composting facilities. This overview assesses the digestability of PPB in AD systems.
Craig Coker
BioCycle February 2018, Vol. 59, No. 2, p. 28

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Connections: O Tannenbaum
Sally Brown

Sally Brown
BioCycle February 2018, Vol. 59, No. 2, p. 31

Equipment News
Action Equipment Co.’s VIBRA-SNAP® Screen

BioCycle February 2018, Vol. 59, No. 2, p. 32