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Effect of Non-thermal Plasma on Cellulose Crystallinity and Lignin Content in Corn Stalks

Uticaj tretmana netermalnom plazmom na kristaliničnost celuloze i sadržaj lignina u kukuruznoj stabljici

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2022
Effect_of_non_thermal_pub_2022.pdf (262.1Kb)
Authors
Grbić, Jovana
Đukić-Vuković, Aleksandra
Mladenović, Dragana
Lazović, Saša
Mojović, Ljiljana
Article (Published version)
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Abstract
Lignocellulosic biomass is a cheap raw material that, thanks to its high carbohydrate content, can be used in fermentation to produce biofuels, biogas and other compounds. Its complex structure, including cellulose, hemicellulose and lignin, requires prior treatment of the biomass to facilitate hydrolysis to simple sugars. Today, biomass is only partially utilized and generates about 14% of the world ́s energy. This is because the most commonly used physical, chemical and physicochemical treatments are not sustainable. They are energy-consuming but still low in productivity and toxic inhibitors formed during these treatments could hinder later steps of fermentation. Biomass treatment with advanced oxidation techniques has great potential as an environmentally friendly, so-called "green" treatment. These processes generate reactive species (radicals, electrons, ions and peroxides) that attack cellulose, hemicellulose, and lignin co...mponents. In this work, the effects of non-thermal plasma, the Fenton process, and the combined treatment of corn stalks with non-thermal plasma/Fenton were compared. Grounded biomass of corn stalks was mixed with Fenton reagent and hydrogen peroxide at different ratios and subjected to non-thermal plasma treatment. Carbohydrate content was decreased in non-thermal plasma treated samples both with and without Fe2+. However, a specific biomass: Fe2+:H2O2 ratio was required to achieve the highest rate of lignocellulose decomposition. The cellulose and hemicellulose fractions were affected and reduced by the treatments studied but resulted in almost no changes in the cellulose crystallinity index. The lower lignin content and cellulose crystallinity allow for more efficient enzyme hydrolysis of the treated lignocellulose and new options for valorization in fermentations.

Lignocelulozna biomasa predstavlja jeftinu sirovinu koja se može koristiti u fermentacionim procesima za dobijanje biogoriva, biogasa i drugih jedinjenja, zahvaljujući visokom sadržaju ugljenih hidrata. Složena struktura, koja uključuje celulozu, hemicelulozu i lignin, zahteva prethodni tretman biomase kojim se olakšava hidroliza do prostih šećera. Danas se biomasa samo delimično eksploatiše i generiše oko 14% energije na svetskom nivou. To je prevashodno zbog male održivosti najčešće korišćenih fizičkih, hemijskih i fizičko-hemijskih tretmana. Ovi procesi troše veliku količinu energije, imaju malu produktivnost, a toksični sporedni proizvodi koji nastaju tokom tretmana mogu ometati kasnije korake fermentacije. Tretman biomase naprednim oksidacionim procesima ima veliki potencijal kao ekološki prihvatljiv, tzv. „zeleni“ tretman. Tokom ovog procesa dolazi do stvaranja reaktivnih vrsta (radika...la, elektrona, jona i peroksida), koje napadaju celulozu, hemicelulozu i lignin. U ovom radu upoređeni su efekti tretmana kukuruzne stabljike netermalnom plazmom, Fentonovim reagensom i kombinovanog tretmana netermalnom plazmom/Fentonreagensom.Samlevena biomasa kukuruzne stabljike pomešana je sa Fentonovim reagensom i vodonik peroksidom u različitim odnosima, a zatim je podvrgnuta tretmanu netermalnom plazmom. Sadržaj celuloze i hemiceluloze je značajno smanjen u uzorcima tretiranim netermalnom plazmom i u prisustvu i u odsustvu Fe2+. Ipak, najveći stepen redukcije lignoceluloze je postignut pri određenom odnosu biomasa:Fe2+:vodonik peroksid. Primenjeni tretmani su uticali i na hemiceluloznu frakciju, ostavljajući indeks kristaliničnosti celuloze skoro nepromenjenim. Niži sadržaj lignina i manji indeks kristaliničnosti celuloze omogućavaju efikasniju enzimsku hidrolizu tretirane lignoceluloze i nove načine za valorizaciju u fermentacionim procesima.

Keywords:
lignocellulose / non-thermal plasma / oxidation / biorefinery / degradation / Fenton process / lignoceluloza / netermalna plazma / oksidacija / biorafinerija / degradacija / Fenton process
Source:
Journal on Processing and Energy in Agriculture, 2022, 26, 2, 52-56
Publisher:
  • National Society of Processing and Energy in Agriculture, Novi Sad
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200287 (Innovation Center of the Faculty of Technology and Metallurgy) (RS-200287)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200135 (University of Belgrade, Faculty of Technology and Metallurgy) (RS-200135)

DOI: 10.5937/jpea26-36871

ISSN: 1821-4487

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URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6151
Collections
  • Radovi istraživača (Inovacioni centar) / Researchers’ publications (Innovation Centre)
Institution/Community
Inovacioni centar
TY  - JOUR
AU  - Grbić, Jovana
AU  - Đukić-Vuković, Aleksandra
AU  - Mladenović, Dragana
AU  - Lazović, Saša
AU  - Mojović, Ljiljana
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6151
AB  - Lignocellulosic  biomass  is  a  cheap  raw  material  that,  thanks  to  its  high  carbohydrate  content,  can  be  used  in  fermentation  to  produce  biofuels,  biogas  and  other  compounds.  Its  complex  structure,  including  cellulose,  hemicellulose  and  lignin,  requires  prior treatment of the biomass to facilitate hydrolysis to simple sugars. Today, biomass is only partially utilized and generates about 14% of  the  world ́s  energy.  This  is  because  the  most  commonly  used  physical,  chemical  and  physicochemical  treatments  are  not  sustainable. They are energy-consuming but still low in productivity and toxic inhibitors formed during these treatments could hinder later steps of fermentation. Biomass treatment with advanced oxidation techniques has great potential as an environmentally friendly, so-called "green" treatment. These processes generate reactive species (radicals, electrons, ions and peroxides) that attack cellulose, hemicellulose,  and  lignin  components.  In  this  work,  the  effects  of  non-thermal  plasma,  the  Fenton  process,  and  the  combined  treatment of corn stalks with non-thermal plasma/Fenton were compared. Grounded biomass of corn stalks was mixed with Fenton reagent  and  hydrogen  peroxide  at  different  ratios  and  subjected  to  non-thermal  plasma  treatment.  Carbohydrate  content  was  decreased  in  non-thermal  plasma  treated  samples  both  with  and  without  Fe2+.  However, a specific  biomass:  Fe2+:H2O2  ratio  was  required  to  achieve  the  highest  rate  of  lignocellulose  decomposition.  The  cellulose and  hemicellulose  fractions  were  affected  and  reduced by the treatments studied but resulted in almost no changes in the cellulose crystallinity index. The lower lignin content and cellulose  crystallinity  allow  for  more  efficient  enzyme  hydrolysis  of  the  treated  lignocellulose  and  new  options  for  valorization  in  fermentations.
AB  - Lignocelulozna  biomasa  predstavlja  jeftinu  sirovinu  koja  se  može  koristiti  u  fermentacionim  procesima  za  dobijanje  biogoriva,  biogasa i drugih jedinjenja, zahvaljujući visokom sadržaju ugljenih hidrata. Složena struktura, koja uključuje celulozu, hemicelulozu i  lignin,  zahteva  prethodni  tretman  biomase  kojim  se  olakšava  hidroliza  do  prostih  šećera.  Danas  se  biomasa  samo  delimično eksploatiše  i  generiše  oko  14%  energije  na  svetskom  nivou.  To  je  prevashodno  zbog  male  održivosti  najčešće  korišćenih  fizičkih, hemijskih  i  fizičko-hemijskih  tretmana.  Ovi  procesi  troše  veliku  količinu  energije,  imaju  malu  produktivnost,  a  toksični  sporedni  proizvodi  koji  nastaju  tokom  tretmana  mogu  ometati  kasnije  korake  fermentacije.  Tretman  biomase  naprednim  oksidacionim  procesima  ima  veliki  potencijal  kao  ekološki  prihvatljiv,  tzv.  „zeleni“  tretman.  Tokom  ovog  procesa  dolazi  do  stvaranja  reaktivnih vrsta  (radikala,  elektrona,  jona  i  peroksida),  koje  napadaju  celulozu,  hemicelulozu  i  lignin.  U  ovom  radu  upoređeni  su  efekti  tretmana    kukuruzne    stabljike    netermalnom    plazmom,    Fentonovim    reagensom    i    kombinovanog    tretmana    netermalnom    plazmom/Fentonreagensom.Samlevena biomasa kukuruzne stabljike pomešana je sa Fentonovim reagensom i vodonik peroksidom u različitim odnosima, a zatim je podvrgnuta tretmanu netermalnom plazmom. Sadržaj celuloze i hemiceluloze je značajno smanjen u uzorcima tretiranim netermalnom plazmom i u prisustvu i u odsustvu Fe2+. Ipak, najveći stepen redukcije lignoceluloze je postignut pri određenom odnosu biomasa:Fe2+:vodonik peroksid. Primenjeni tretmani su uticali i na hemiceluloznu frakciju, ostavljajući indeks kristaliničnosti  celuloze  skoro  nepromenjenim.  Niži  sadržaj  lignina  i  manji  indeks  kristaliničnosti  celuloze  omogućavaju  efikasniju  enzimsku hidrolizu tretirane lignoceluloze i nove načine za valorizaciju u fermentacionim procesima.
PB  - National Society of Processing and Energy in Agriculture, Novi Sad
T2  - Journal on Processing and Energy in Agriculture
T1  - Effect of Non-thermal Plasma on Cellulose Crystallinity and Lignin Content in Corn Stalks
T1  - Uticaj tretmana netermalnom plazmom na kristaliničnost celuloze i sadržaj lignina u kukuruznoj stabljici
EP  - 56
IS  - 2
SP  - 52
VL  - 26
DO  - 10.5937/jpea26-36871
ER  - 
@article{
author = "Grbić, Jovana and Đukić-Vuković, Aleksandra and Mladenović, Dragana and Lazović, Saša and Mojović, Ljiljana",
year = "2022",
abstract = "Lignocellulosic  biomass  is  a  cheap  raw  material  that,  thanks  to  its  high  carbohydrate  content,  can  be  used  in  fermentation  to  produce  biofuels,  biogas  and  other  compounds.  Its  complex  structure,  including  cellulose,  hemicellulose  and  lignin,  requires  prior treatment of the biomass to facilitate hydrolysis to simple sugars. Today, biomass is only partially utilized and generates about 14% of  the  world ́s  energy.  This  is  because  the  most  commonly  used  physical,  chemical  and  physicochemical  treatments  are  not  sustainable. They are energy-consuming but still low in productivity and toxic inhibitors formed during these treatments could hinder later steps of fermentation. Biomass treatment with advanced oxidation techniques has great potential as an environmentally friendly, so-called "green" treatment. These processes generate reactive species (radicals, electrons, ions and peroxides) that attack cellulose, hemicellulose,  and  lignin  components.  In  this  work,  the  effects  of  non-thermal  plasma,  the  Fenton  process,  and  the  combined  treatment of corn stalks with non-thermal plasma/Fenton were compared. Grounded biomass of corn stalks was mixed with Fenton reagent  and  hydrogen  peroxide  at  different  ratios  and  subjected  to  non-thermal  plasma  treatment.  Carbohydrate  content  was  decreased  in  non-thermal  plasma  treated  samples  both  with  and  without  Fe2+.  However, a specific  biomass:  Fe2+:H2O2  ratio  was  required  to  achieve  the  highest  rate  of  lignocellulose  decomposition.  The  cellulose and  hemicellulose  fractions  were  affected  and  reduced by the treatments studied but resulted in almost no changes in the cellulose crystallinity index. The lower lignin content and cellulose  crystallinity  allow  for  more  efficient  enzyme  hydrolysis  of  the  treated  lignocellulose  and  new  options  for  valorization  in  fermentations., Lignocelulozna  biomasa  predstavlja  jeftinu  sirovinu  koja  se  može  koristiti  u  fermentacionim  procesima  za  dobijanje  biogoriva,  biogasa i drugih jedinjenja, zahvaljujući visokom sadržaju ugljenih hidrata. Složena struktura, koja uključuje celulozu, hemicelulozu i  lignin,  zahteva  prethodni  tretman  biomase  kojim  se  olakšava  hidroliza  do  prostih  šećera.  Danas  se  biomasa  samo  delimično eksploatiše  i  generiše  oko  14%  energije  na  svetskom  nivou.  To  je  prevashodno  zbog  male  održivosti  najčešće  korišćenih  fizičkih, hemijskih  i  fizičko-hemijskih  tretmana.  Ovi  procesi  troše  veliku  količinu  energije,  imaju  malu  produktivnost,  a  toksični  sporedni  proizvodi  koji  nastaju  tokom  tretmana  mogu  ometati  kasnije  korake  fermentacije.  Tretman  biomase  naprednim  oksidacionim  procesima  ima  veliki  potencijal  kao  ekološki  prihvatljiv,  tzv.  „zeleni“  tretman.  Tokom  ovog  procesa  dolazi  do  stvaranja  reaktivnih vrsta  (radikala,  elektrona,  jona  i  peroksida),  koje  napadaju  celulozu,  hemicelulozu  i  lignin.  U  ovom  radu  upoređeni  su  efekti  tretmana    kukuruzne    stabljike    netermalnom    plazmom,    Fentonovim    reagensom    i    kombinovanog    tretmana    netermalnom    plazmom/Fentonreagensom.Samlevena biomasa kukuruzne stabljike pomešana je sa Fentonovim reagensom i vodonik peroksidom u različitim odnosima, a zatim je podvrgnuta tretmanu netermalnom plazmom. Sadržaj celuloze i hemiceluloze je značajno smanjen u uzorcima tretiranim netermalnom plazmom i u prisustvu i u odsustvu Fe2+. Ipak, najveći stepen redukcije lignoceluloze je postignut pri određenom odnosu biomasa:Fe2+:vodonik peroksid. Primenjeni tretmani su uticali i na hemiceluloznu frakciju, ostavljajući indeks kristaliničnosti  celuloze  skoro  nepromenjenim.  Niži  sadržaj  lignina  i  manji  indeks  kristaliničnosti  celuloze  omogućavaju  efikasniju  enzimsku hidrolizu tretirane lignoceluloze i nove načine za valorizaciju u fermentacionim procesima.",
publisher = "National Society of Processing and Energy in Agriculture, Novi Sad",
journal = "Journal on Processing and Energy in Agriculture",
title = "Effect of Non-thermal Plasma on Cellulose Crystallinity and Lignin Content in Corn Stalks, Uticaj tretmana netermalnom plazmom na kristaliničnost celuloze i sadržaj lignina u kukuruznoj stabljici",
pages = "56-52",
number = "2",
volume = "26",
doi = "10.5937/jpea26-36871"
}
Grbić, J., Đukić-Vuković, A., Mladenović, D., Lazović, S.,& Mojović, L.. (2022). Effect of Non-thermal Plasma on Cellulose Crystallinity and Lignin Content in Corn Stalks. in Journal on Processing and Energy in Agriculture
National Society of Processing and Energy in Agriculture, Novi Sad., 26(2), 52-56.
https://doi.org/10.5937/jpea26-36871
Grbić J, Đukić-Vuković A, Mladenović D, Lazović S, Mojović L. Effect of Non-thermal Plasma on Cellulose Crystallinity and Lignin Content in Corn Stalks. in Journal on Processing and Energy in Agriculture. 2022;26(2):52-56.
doi:10.5937/jpea26-36871 .
Grbić, Jovana, Đukić-Vuković, Aleksandra, Mladenović, Dragana, Lazović, Saša, Mojović, Ljiljana, "Effect of Non-thermal Plasma on Cellulose Crystallinity and Lignin Content in Corn Stalks" in Journal on Processing and Energy in Agriculture, 26, no. 2 (2022):52-56,
https://doi.org/10.5937/jpea26-36871 . .

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