Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2017 Feb 23;10:51. doi: 10.1186/s13068-017-0733-0

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

PMC Copyright notice

Fig. 4 — GHG emissions (expressed as GWP) for assessed ethanol production systems using the ISO method. Sensitivity analyses for off-site enzyme production, using alternative data and assumptions, are included. For illustration purposes, “Chemicals” include SO₂, NH₃, H₃PO₄, antifoam, (NH₄)₂HPO₄ and MgSO₄. “Nutrients” include soybean oil meal, (NH₄)₂SO₄, KH₂PO₄ and FeSO₄*7H₂O