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Comment 1 for Comments on the Draft Analysis of Progress toward Achieving the 2030 Dairy and Livestock Methane Emissions Target (draft-dl-analysis-ws) - 1st Workshop.


First Name: Kieran
Last Name: Mitchell
Email Address: Kieran@cariboubiofuels.com
Affiliation: CEO Caribou Biofuels

Subject: 2030 Dairy and Livestock Sector Methane Emissions Target
Comment:
Hello,

There is a technology that support your goal. It is an IRG
technology that is currently funded by Cal Fire and the NSF. It
takes woody biomass, agricultural waste including very wet dairy
waste. 

1. Biochar from woody material has been approved in Europe and I
believe California, and fed as a food supplement (<1%) and
significantly reduce their methane emissions. 

Reference: The use of biochar in animal feeding
Hans-Peter Schmidt1, Nikolas Hagemann1,2, Kathleen Draper3 and
Claudia Kammann4, 2019

2. Reference Inclined Rotary Gasifier can make biochar and energy
and "Biochar as a manure additive can be effective on compost
manure (up to 82.4% reduction)", CARB Report January 2021-below.f

Reference:
STRATEGIES TO REDUCE METHANE EMISSIONS FROM ENTERIC AND LAGOON
SOURCES
(Contract 17RD018)
Prepared for:
State of California Air Resources Board
January 8, 2021

3. There are many other areas in the dairy industry to use this
technology 

Reference:

The Potential for Biochar to Enhance
Sustainability in the Dairy Industry
Written by:
Kathleen Draper, Ithaka Institute for Carbon Intelligence
Shannan Sweet, Cornell University
2020


This Mobile Inclined Rotary Gasifier technology can accomplish many
goals including 

1. Convert problem materials, that cause emissions, even if very
wet, to a biofuel, biochar while sequestering carbon. 

The emissions are close to zero, carbon is sequestered and the
process can be financially beneficial.

See 3 referenced papers attached. 




Attachment: www.arb.ca.gov/lists/com-attach/2-draft-dl-analysis-ws-U2BQCVYlBDJSMgVg.pdf

Original File Name: 3 Referenced papers.pdf

Date and Time Comment Was Submitted: 2021-06-15 21:39:34



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