Subg roup #1: F oste ring Ma rke ts for Non- Dig e ste r Proje c - - PowerPoint PPT Presentation

Subg roup #1: F

• ste ring Ma rke ts for

Non- Dig e ste r Proje c ts

July 17, 2017 10:30a m-2:00pm

Dair y and L ive stoc k Wor king Gr

• up

Ag e nda

I. Welcome and Introductions

• II. Context: Overview of SB 1383 and related initiatives
• III. Ground rules for Subgroups
• IV. Mission Statement review
• a. Mission, Process, Timeline, Deliverables
• b. Key Questions
• V. Overview of practices
• VI. Lunch Break (11:40-12:20)
• VII. Discussion and refining of practices to assess

VIII.Upcoming meeting topics and dates

• IX. Subgroup membership gaps
• X. Public comments
• XI. Next steps

• II. Context: Overview of SB 1383 and

related initiatives

• III. Ground rules for Subgroups

• IV. Mission Statement Review:

Mission, Process, Timeline, Deliverables

• IV. Mission Statement Review:

Key Questions

• V. Overview of Practices

“Where do w e start?” An overview of non-digester practices

As identified in public policy process related to SB 605 and SB 1383

July 17, 2017

Da iry a nd L ive sto c k Gre e nho use Ga s Re duc tio n Gro up, Sub g ro up 1: F

• ste ring Ma rke ts fo r No n-Dig e ste r Pro je c ts

Overview :

Summa rize c o nse nsus po ints fro m pub lic

po lic y disc ussio n to da te

L

ist pra c tic e s/ pro je c t type s ide ntifie d during va rio us pro c e sse s

Pre se nt so me pre vio usly ide ntifie d

pra c tic e -spe c ific issue s

F

ra me o ur ne xt ste ps

Key consensus points emerging from this process

 Dig e ste rs do n’ t wo rk fo r a ll da irie s, so it will b e diffic ult to a c hie ve

re duc tio n g o a l with dig e ste rs (o r a ny o ne pra c tic e / te c hno lo g y) a lo ne .

 Me tha ne re duc tio ns fro m ma nure ma na g e me nt c a n b e a c hie ve d with

• the r pra c tic e s b e side s dig e ste rs

 Utility a nd fe a sib ility o f pra c tic e s ma y va ry b y re g io n, c lima te , a nd style

• f da iry

 E

c o no mic mo de ls will b e diffe re nt tha n dig e ste rs b e c a use mo st AMMPs do no t pro duc e e ne rg y o r fue l

 While the re is a g o o d sc ie ntific b a sis to e xpe c t GHG re duc tio ns fro m

so me pra c tic e s, muc h mo re info rma tio n is ne e de d to q ua ntify ra ng e s o f re duc tio ns po ssib le with suffic ie nt c e rta inty

 As with dig e ste rs, e nviro nme nta l b e ne fits/ impa c ts to wa te r a nd a ir

q ua lity sho uld b e unde rsto o d a nd mo re da ta is ne e de d

Major non-digester practices identified as meriting further evaluation and/or adoption

Me ntio ne d spe c ific a lly in SB 1383 a nd ARB SL

CP Re duc tio n Stra te g y:

Co mpo sting (Co nve rt fro m flush to ) sc ra pe syste ms Me c ha nic a l so lids se pa ra tio n

Me ntio ne d spe c ific ally in ARB SL

CP Re duc tio n Strate g y (Marc h 2017)

Co nve rsio n to pasture

Other practices

 Be dde d pa c k b a rns  Pe rmuta tio ns o f “so lids se pa ra tio n”

 Additio n o f c o a g ula nts, po lyme rs, o the r c he mic a ls  We e ping wa lls

 Adva nc e d te c hno lo g ie s

 Pyro lysis, g a sific a tio n

 L

a g o o n a e ra tio n



Ab o ve prac tic e s me ntio ne d in ARB-spo nso re d “E valuatio n o f Dairy Manure Manag e me nt Prac tic e s fo r Gre e nho use Gas E missio ns Mitig atio n in Califo rnia” (Kaffka e t al, F e b . 2016) and/o r during CDF A-spo nso re d AMMP wo rksho ps in e arly 2017

Not exhaustive

 I

nitia l g o a l wa s to summa rize b rie fly fo r c o mmitte e ide a s tha t ha ve b e e n he a rd/ do c ume nte d in re c e nt pub lic pro c e ss a nd disc ussio n

 Co mmitte e a nd pub lic input e xpe c te d to :

 I

de ntify o the r po te ntia l pra c tic e s fo r e va lua tio n

 I

de ntify/ mo dify spe c ific issue s/ fra me wo rk fo r e va lua tio n (g e ne ra l a nd pra c tic e -b y-pra c tic e )

 E

va lua te a nd ma ke re c o mme nda tio ns re la te d to e c o no mic

• ppo rtunitie s a nd b a rrie rs, re g ula to ry issue s, re se a rc h ne e ds a nd o the r

ke y fa c to rs to de te rmine fe a sib ility a nd a dva nc e a do ptio n whe re a ppro pria te

 Co mmitte e / pub lic input ne e de d o n prio ritie s to e va lua te

Example issues: Scrape systems

 Co nve rsio n o f ma nure flushing to

sc ra pe syste ms (va c uum truc ks, c ha in sc ra pe rs, e tc .) pro duc e s a slurry with hig he r so lids c o nte nt b ut vo la tile so lids no t de stro ye d a nd ma nure c a n re ma in a na e ro b ic

 Wha t o ppo rtunitie s e xist to sto re a nd

furthe r de -wa te r a nd c a use slurry to b e c o me dry e no ug h to sta c k o r c o mpo st? Wha t is the po te ntia l fo r me tha ne re duc tio n c o mpa re d to the syste m b e ing re pla c e d?

 Wha t a re the implic a tio ns fo r o the r

e missio ns a nd wa te r q ua lity?

Example issues: Compost

 Do e s c o mpo sting a lre a dy

dry/ sta c ka b le ma nure o r se pa ra te d so lids re duc e GHG e missio ns?

 Are pre se nt re g ula tio ns c re a ting b a rrie rs

to inc re a se ma nure c o mpo sting a nd wha t c a n b e do ne to a ddre ss the se ?

 Do we fully unde rsta nd the o ve ra ll

pic ture a nd b a la nc e o f e nviro nme nta l b e ne fits ve rsus impa c ts o f c o mpo sting ?

 Are the re o ppo rtunitie s to stre ng the n

ma rke ts re la te d to c o mpo st to impro ve e c o no mic s?

Example issues: Solids separation (w ith drying)

 Wha t is the GHG re duc tio n po te ntia l

• f this type o f te c hno lo g y?

 Wha t a re the o the r e nviro nme nta l

b e ne fits a nd impa c ts a nd ho w muc h do the y va ry b e twe e n diffe re nt type s

• f me c ha nic a l se pa ra tio n?

 Ho w do the se te c hno lo g ie s pe rfo rm in

pra c tic e a nd wha t O&M is invo lve d?

 Wha t is the po te ntia l o f the va rio us

pe rmuta tio ns o f this te c hno lo g y to pro vide a dditio na l re ve nue stre a ms/ e c o no mic b e ne fits?

Example issues: Conversion to pasture-based systems

 Wha t is the GHG re duc tio n

po te ntia l?

 Wha t a re the o the r e nviro nme nta l

b e ne fits a nd impa c ts?

 Wha t c o nditio ns a re ne e de d to

e nsure suc c e ss?

 Ho w do a c re a g e a nd irrig a tio n

ne e ds c o mpa re to no n-pa sture da irie s?

Summary

 Disc ussio n to da te ha s pro vide d insig ht into prio ritie s fo r furthe r

e va lua tio n a nd a do ptio n

 I

t will b e up to this c o mmitte e to :

 I

de ntify pra c tic e s/ te c hno lo g ie s tha t me rit e va lua tio n b y a dding to a nd mo difying this list

 I

de ntifying spe c ific q ue stio ns/ info rma tio n g a ps to b e a ddre sse d

 Prio ritizing c o mmitte e e va lua tio n to pic s within o ur time fra me  De ve lo ping a nd de live ring re c o mme nda tio ns b a se d o n kno wle dg e re c e ive d

Summary (continued)

 Pe r o ur missio n sta te me nt the b a sic fra me wo rk fo r e va lua tio n is:

 Unde rsta nd the po te ntia l fo r GHG re duc tio n o f the te c hno lo g y/ pra c tic e  Unde rsta nd no n-GHG e nviro nme nta l impa c ts a nd b e ne fits  Unde rsta nd issue s re la te d to fina nc ia l via b ility (c a pita l, O&M, re ve nue

po te ntia l fro m pro duc ts o r c re dits, o pe ra tio na l c o st o ffse ts)

 De ve lo p re c o mme nda tio ns to a dva nc e pro mising pra c tic e s a nd

te c hno lo g ie s

Thank you

• VI. Lunch Break

• VII. Discussion and Refining of Practices

to Assess

Major non-digester practices identified as meriting further evaluation and/or adoption

Me ntio ne d spe c ific a lly in SB 1383 a nd ARB SL

CP Re duc tio n Stra te g y:

Co mpo sting (Co nve rt fro m flush to ) sc ra pe syste ms Me c ha nic a l so lids se pa ra tio n

Me ntio ne d spe c ific ally in ARB SL

CP Re duc tio n Strate g y (Marc h 2017)

Co nve rsio n to pasture

Example issues: Scrape systems

 Co nve rsio n o f ma nure flushing to

sc ra pe syste ms (va c uum truc ks, c ha in sc ra pe rs, e tc .) pro duc e s a slurry with hig he r so lids c o nte nt b ut vo la tile so lids no t de stro ye d a nd ma nure c a n re ma in a na e ro b ic

 Wha t o ppo rtunitie s e xist to sto re a nd

furthe r de -wa te r a nd c a use slurry to b e c o me dry e no ug h to sta c k o r c o mpo st? Wha t is the po te ntia l fo r me tha ne re duc tio n c o mpa re d to the syste m b e ing re pla c e d?

 Wha t a re the implic a tio ns fo r o the r

e missio ns a nd wa te r q ua lity?

Example issues: Compost

 Do e s c o mpo sting a lre a dy

dry/ sta c ka b le ma nure o r se pa ra te d so lids re duc e GHG e missio ns?

 Are pre se nt re g ula tio ns c re a ting b a rrie rs

to inc re a se ma nure c o mpo sting a nd wha t c a n b e do ne to a ddre ss the se ?

 Do we fully unde rsta nd the o ve ra ll

pic ture a nd b a la nc e o f e nviro nme nta l b e ne fits ve rsus impa c ts o f c o mpo sting ?

 Are the re o ppo rtunitie s to stre ng the n

ma rke ts re la te d to c o mpo st to impro ve e c o no mic s?

Example issues: Solids separation (w ith drying)

 Wha t is the GHG re duc tio n po te ntia l

• f this type o f te c hno lo g y?

 Wha t a re the o the r e nviro nme nta l

b e ne fits a nd impa c ts a nd ho w muc h do the y va ry b e twe e n diffe re nt type s

• f me c ha nic a l se pa ra tio n?

 Ho w do the se te c hno lo g ie s pe rfo rm in

pra c tic e a nd wha t O&M is invo lve d?

 Wha t is the po te ntia l o f the va rio us

pe rmuta tio ns o f this te c hno lo g y to pro vide a dditio na l re ve nue stre a ms/ e c o no mic b e ne fits?

Example issues: Conversion to pasture-based systems

 Wha t is the GHG re duc tio n

po te ntia l?

 Wha t a re the o the r e nviro nme nta l

b e ne fits a nd impa c ts?

 Wha t c o nditio ns a re ne e de d to

e nsure suc c e ss?

 Ho w do a c re a g e a nd irrig a tio n

ne e ds c o mpa re to no n-pa sture da irie s?

Other practices

 Be dde d pa c k b a rns  Pe rmuta tio ns o f “so lids se pa ra tio n”

 Additio n o f c o a g ula nts, po lyme rs, o the r c he mic a ls  We e ping wa lls

 Adva nc e d te c hno lo g ie s

 Pyro lysis, g a sific a tio n

 L

a g o o n a e ra tio n



Ab o ve prac tic e s me ntio ne d in ARB-spo nso re d “E valuatio n o f Dairy Manure Manag e me nt Prac tic e s fo r Gre e nho use Gas E missio ns Mitig atio n in Califo rnia” (Kaffka e t al, F e b . 2016) and/o r during CDF A-spo nso re d AMMP wo rksho ps in e arly 2017

• VIII. Upcoming Meeting Topics and

Dates

• IX. Subgroup Membership Gaps

• X. Public C
• mments

M /

• XI. Next Steps