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1. Enhancement of converting corn stalk into reducing sugar by ultrasonic-assisted ammonium bicarbonate pretreatment

Author:
Jiao, Youzhou; Guo, Chengpu; wang, Shaopeng; Guan, Shanyue; Pan, Xiaohui; Ma, Xiaoran; Zhang, Zhiping; Zhang, Quanguo; He, Chao
Source:
Bioresource technology 2020 v.302 pp. 122878
ISSN:
0960-8524
Subject:
corn stover,   etc   ; ammonium bicarbonate; reducing sugars; saccharification; temperature; ultrasonics;     Show all 6 Subjects
Abstract:
... In order to improve the yield of reducing sugar from corn stalk, ultrasonic-assisted ammonium bicarbonate pretreatment of corn stalk was proposed. Three ultrasonic factors (time (0–30 min), temperature (30–60 °C) and liquid/solid mass ratio (5–20)) were optimized by response surface experiment. The optimal conditions of ultrasonic pretreatment were obtained (liquid/solid mass ratio is 12:1, temper ...
DOI:
10.1016/j.biortech.2020.122878

2. Depolymerization of lignin by wet air oxidation

Author:
Irmak, Sibel; Kang, Juhyon; Wilkins, Mark
Source:
Bioresource technology reports 2020 v.9 pp. 100377
ISSN:
2589-014X
Subject:
corn stover,   etc   ; Juniperus virginiana; depolymerization; lignin; oxidation; oxygen; temperature;     Show all 7 Subjects
Abstract:
... In the present study, effect of temperature (150–250 °C) and pressure (500–1500 psi) was investigated for depolymerization of lignin by wet air oxidation (WAO). Commercial alkali lignin was used as representative lignin material. The degradation/oxidation products of WAO treatments were identified to understand the potential value of the depolymerization products. Depolymerization efficiency of al ...
DOI:
10.1016/j.biteb.2019.100377

3. Effects of intermittent mixing mode on solid state anaerobic digestion of agricultural wastes

Author:
Wang, Yaya; Zhang, Jiaxing; Sun, Yanbo; Yu, Jiadong; Zheng, Zehui; Li, Shuyan; Cui, Zongjun; Hao, Jianjun; Li, Guoxue
Source:
Chemosphere 2020 v.248 pp. 126055
ISSN:
0045-6535
Subject:
corn stover,   etc   ; Methanoculleus; Methanosarcina; anaerobic digestion; bacteria; cucumbers; methane production; methanogens; physicochemical properties; pig manure;     Show all 10 Subjects
Abstract:
... This study investigated the effects of three different intermittent mixing modes (top, middle and bottom) on the performance of solid state anaerobic digestion (SS-AD) process of pig manure, corn stover and cucumber residues in a stirred tank reactor (STR). Results showed the cumulative methane yields of reactors had similar values (P > 0.05) except for the unmixed reactor (CK), which had a very l ...
DOI:
10.1016/j.chemosphere.2020.126055

4. Urea-pretreated corn stover: Physicochemical characteristics, delignification kinetics, and methane production

Author:
Wang, Lili; Cao, Zhen; Zou, Jianyang; Liu, Zhuo; Li, Yibo; Wang, Zhongjiang
Source:
Bioresource technology 2020 v.306 pp. 123097
ISSN:
0960-8524
Subject:
corn stover,   etc   ; ammonia; cellulose; delignification; hemicellulose; lignin; methane production; physicochemical properties; urea;     Show all 9 Subjects
Abstract:
... Solids loading is a key factor in aqueous or gaseous ammonia production from urea. Methane production from urea-pretreated corn stover, as well as the physicochemical characteristics and delignification kinetics of the corn stover, were investigated with four solids loading values (10%–70%) and five ratios of urea to corn stover (1:100–7:10) at 35 °C for 6 weeks. A 1:20 ratio of urea to corn stove ...
DOI:
10.1016/j.biortech.2020.123097

5. Instant Catapult Steam Explosion: A rapid technique for detoxification of aflatoxin-contaminated biomass for sustainable utilization as animal feed

Author:
Xie, Hui; Li, Zhimin; Wang, Zhimin; Mao, Guotao; Zhang, Hongsen; Wang, Fengqin; Chen, Hongge; Yang, Sen; Tsang, Yiu Fai; Lam, Su Shiung; Song, Andong; Zhang, Zhanying
Source:
Journal of cleaner production 2020 v.255 pp. 120010
ISSN:
0959-6526
Subject:
corn stover,   etc   ; aflatoxin B1; biomass; cellulose; dehydrogenation; feeds; hydrolysis; lignocellulose; oxidation; processing time; rapid methods; toxicity;     Show all 12 Subjects
Abstract:
... Instant Catapult Steam Explosion (ICSE) is a rapid and effective technique with ability to reduce the toxic compound and improve the cellulose digestibility of lignocellulosic biomass. It has beneficial feature of very short explosion time (<0.1 s) and high explosion power density (400–1000 order of magnitude density) compared to conventional explosion. In this study, ICSE was examined for its pot ...
DOI:
10.1016/j.jclepro.2020.120010

6. Fed-batch cultivation and adding supplements to increase yields of polyhydroxybutyrate production by Cupriavidus necator from corn stover alkaline pretreatment liquor

Author:
Li, Mengxing; Wilkins, Mark
Source:
Bioresource technology 2020 v.299 pp. 122676
ISSN:
0960-8524
Subject:
corn stover,   etc   ; Cupriavidus necator; alkali treatment; bioreactors; lignin; nanoparticles; polyhydroxybutyrate; silicon; surfactants;     Show all 9 Subjects
Abstract:
... The aim of this study was to evaluate polyhydroxybutyrate (PHB) production and productivity with supplements under fed-batch cultivation at bioreactor scale (1.3 L). In this study, multiple supplements including oxidative enzyme, mediators, surfactants and silicon nanoparticles were added to Cupriavidus necator culture growing on alkaline pretreatment liquor (APL). At 1.3 L bioreactor scale, PHB p ...
DOI:
10.1016/j.biortech.2019.122676

7. RETRACTED: Increased abundance of nitrogen fixing bacteria by higher C/N ratio reduces the total losses of N and C in cattle manure and corn stover mix composting

Author:
Zhang, Wenming; Yu, Chenxu; Wang, Xujie; Hai, Long; Hu, Juan
Source:
Waste management 2020 v.103 pp. 416-425
ISSN:
0956-053X
Subject:
corn stover,   etc   ; carbon nitrogen ratio; cattle manure; composting; composts; denitrifying bacteria; nitrogen-fixing bacteria; temperature;     Show all 8 Subjects
Abstract:
... This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the Editor-in-Chief.The article duplicates significant parts of a paper that had already appeared in Bioresource Technology, Volume 297, February 2020, 122410, https://doi.org/10.1016/j.biortech.2019.122410. One of the ...
DOI:
10.1016/j.wasman.2020.01.006

8. Recycle of fermentation process water through mitigation of inhibitors in dilute-acid corn stover hydrolysate

Author:
Nichols, Nancy N.; Mertens, Jeffrey A.; Dien, Bruce S.; Hector, Ronald E.; Frazer, Sarah E.
Source:
Bioresource technology reports 2020 v.9 pp. 100349
ISSN:
2589-014X
Subject:
corn stover,   etc   ; Coniochaeta ligniaria; Escherichia coli; biofuels; biomass; ethanol; fermentation; hydrolysates; recycling;     Show all 9 Subjects
Abstract:
... Water consumption is an important consideration for production of advanced biofuels and chemicals. Recycling process water to reduce water consumption concentrates inhibitors formed during biomass pretreatment processes. To lessen their impact, Coniochaeta ligniaria NRRL 30616 was used to biologically abate inhibitors in dilute-acid pretreated corn stover hydrolysate. Biological abatement of inhib ...
Handle:
10113/6768169
DOI:
10.1016/j.biteb.2019.100349

9. Impacts of Inorganic Material (Total Ash) on Surface Energy, Wettability, and Cohesion of Corn Stover

Author:
Leal, Juan H.; Torres, Estrella L.; Rouse, William Travis; Moore, Cameron M.; Sutton, Andrew D.; Hoover, Amber N.; Li, Chenlin; Resch, Michael G.; Donohoe, Bryon S.; Ray, Allison E.; Semelsberger, Troy A.
Source:
ACS sustainable chemistry & engineering 2020 v.8 no.4 pp. 2061-2072
ISSN:
2168-0485
Subject:
corn stover,   etc   ; ash content; cohesion; energy; hydrophilicity; inorganic matter; surface area; washing; wettability; Iowa;     Show all 10 Subjects
Abstract:
... The impacts and variability of inorganic material (measured as total ash) on surface area, surface energy, wettability, and cohesion of corn stover samples from Iowa were examined. The impact of total ash on the acid component of surface energy was determined to be significant with the acid component increasing with increasing ash content, in particular, the samples with total ash contents greater ...
DOI:
10.1021/acssuschemeng.9b06759

10. Composition-Preserving Extraction and Characterization of Biomass Extrinsic and Intrinsic Inorganic Compounds

Author:
Lee, Kyungjun; Roy, Sougata; Cakmak, Ercan; Lacey, Jeffrey A.; Watkins, Thomas R.; Meyer, Harry M.; Thompson, Vicki S.; Keiser, James R.; Qu, Jun
Source:
ACS sustainable chemistry & engineering 2020 v.8 no.3 pp. 1599-1610
ISSN:
2168-0485
Subject:
corn stover,   etc   ; bark; biomass; combustion; feedstocks; furnaces; particle size; quartz; silicon;     Show all 9 Subjects
Abstract:
... The inorganic content of biomass impairs size reduction tool life and the conversion process. Conventional ash extraction relies on furnace combustion that inevitably alters the inorganic compounds due to oxidation and decomposition. This study developed composition-preserving methods for extracting and analyzing extrinsic and intrinsic inorganic compounds. Comprehensive characterization was carri ...
DOI:
10.1021/acssuschemeng.9b06429

11. Improving cellulase recycling efficiency by decreasing the inhibitory effect of unhydrolyzed solid on recycled corn stover saccharification

Author:
Xin, Donglin; Yang, Ming; Chen, Xiang; Zhang, Ying; Wang, Rui; Wen, Peiyao; Zhang, Junhua
Source:
Renewable energy 2020 v.145 pp. 215-221
ISSN:
0960-1481
Subject:
corn stover,   etc   ; biofuels; biomass; endo-1,4-beta-glucanase; glucose; hydrolysis; lignocellulose; saccharification;     Show all 8 Subjects
Abstract:
... Recycling enzymes associated with unhydrolyzed solid residue offers a potential strategy to reduce the amount of enzyme used during production of biofuels from lignocellulosic biomass. In this work, the hydrolytic efficiency of the enzymes associated with unhydrolyzed corn stover residue is evaluated and strategies to enhance their recycling efficiency are developed. We found whether direct recycl ...
DOI:
10.1016/j.renene.2019.06.029

12. The effect of Ru/C and MgCl2 on the cleavage of inter- and intra-molecular linkages during cornstalk hydrolysis residue valorization

Author:
Lv, Wei; Liao, Yuhe; Zhu, Yuting; Liu, Jing; Zhu, Changhui; Wang, Chenguang; Xu, Ying; Zhang, Qi; Chen, Guanyi; Ma, Longlong
Source:
Cellulose 2020 v.27 no.2 pp. 799-823
ISSN:
0969-0239
Subject:
corn stover,   etc   ; catalysts; cellulose; ethyl acetate; hydrogen bonding; hydrolysis; lignin; lignocellulose; magnesium chloride; ruthenium; solvents; sugars;     Show all 12 Subjects
Abstract:
... The cleavage of linkages of lignocellulose is important for its valorization. The linkage cleavage of cornstalk hydrolysis residue was investigated over catalysts (Ru/C + MgCl₂) in EtOAc/H₂O solvents. The results show that almost hydrogen bonds, C–C bonds, ether and ester bonds in the matrix of lignin and cellulose were broken, accompanying 80.6% of lignin and 98.5% of cellulose conversion, and ob ...
DOI:
10.1007/s10570-019-02799-x

13. Gasification reactivity of co-pyrolysis char from coal blended with corn stalks

Author:
Chen, Xiye; Liu, Li; Zhang, Linyao; Zhao, Yan; Qiu, Penghua
Source:
Bioresource technology 2019 v.279 pp. 243-251
ISSN:
0960-8524
Subject:
corn stover,   etc   ; coal; gasification; pyrolysis; temperature; thermogravimetry;     Show all 6 Subjects
Abstract:
... The gasification reactivity of coal and corn stalks co-pyrolyzed char is studied using thermogravimetric analysis, and the influence of co-pyrolysis on co-gasification reactivity is quantitatively characterized by synergy index. The results demonstrate that with increasing the pyrolysis temperature, the gasification reactivity of coal char gradually decreases, however, the gasification reactivity ...
DOI:
10.1016/j.biortech.2019.01.108

14. The effect of probe geometry on rind puncture resistance testing of maize stalks

Author:
Cook, Douglas D.; Meehan, Kyler; Asatiani, Levan; Robertson, Daniel J.
Source:
Plant methods 2020 v.16 no.1 pp. 65
ISSN:
1746-4811
Subject:
corn stover,   etc   ; bending strength; crop yield; grain crops; harvesting; lodging; lodging resistance; meta-analysis; standard operating procedures; stems;     Show all 10 Subjects
Abstract:
... BACKGROUND: Stalk lodging (breaking of plant stems prior to harvest) is a major impediment to increasing agricultural yields of grain crops. Rind puncture resistance is commonly used to predict the lodging resistance of several crop species. However, there exist no standard operating procedures or suggested protocols for conducting rind penetration experiments. In addition, experimental details of ...
DOI:
10.1186/s13007-020-00610-8

15. Coupling self-sustaining air flotation screening with conventional CSTR enhances anaerobic biodegradability of corn stover

Author:
Dai, Xiaohu; Hua, Yu; Li, Huiping; Liu, Rui; Chen, Shuxian; Dai, Lingling; Cai, Chen
Source:
Bioresource technology 2020 v.310 pp. 123417
ISSN:
0960-8524
Subject:
corn stover,   etc   ; Bacteroidetes; Proteobacteria; bacterial communities; biodegradability; community structure; digestibility; lignocellulose; mass transfer; methane production; screening; straw;     Show all 12 Subjects
Abstract:
... The anaerobic biodegradability of lignocellulosic crop waste could be improved by proper pretreatments, but little information is available on enhancing straw digestibility through the reactor configuration. In a lab-based batch experiment, a novel reactor was established to testify the possibility to enhance anaerobic biodegradability of corn stover (CS) by coupling a self-sustaining air flotatio ...
DOI:
10.1016/j.biortech.2020.123417

16. Influence of lignin content on the intrinsic modulus of natural fibers and on the stiffness of composite materials

Author:
Serra-Parareda, Ferran; Tarrés, Quim; Espinach, Francesc X.; Vilaseca, Fabiola; Mutjé, Pere; Delgado-Aguilar, Marc
Source:
International journal of biological macromolecules 2020 v.155 pp. 81-90
ISSN:
0141-8130
Subject:
corn stover,   etc   ; agricultural wastes; composite materials; corn; lignin content; lignocellulose; mechanical properties; models; natural fibers; polypropylenes; wood;     Show all 11 Subjects
Abstract:
... Agricultural wastes are an alternative to the use of wood in plastic composites, thanks to their abundance, easy availability and other environmental and economic advantages. Agricultural wastes can be processed to obtain lignocellulosic fibers of different compositions that will allow better performance of their composites and the final desired residues' valorization. In this context, the current ...
DOI:
10.1016/j.ijbiomac.2020.03.160

17. Biochar addition with Fe impregnation to reduce H2S production from anaerobic digestion

Author:
Choudhury, Abhinav; Lansing, Stephanie
Source:
Bioresource technology 2020 v.306 pp. 123121
ISSN:
0960-8524
Subject:
corn stover,   etc   ; anaerobic digesters; anaerobic digestion; biochar; hydrogen sulfide; iron; methane; methane production; nutrient content; particle size;     Show all 10 Subjects
Abstract:
... Corn stover biochar (CSB) and maple biochar (MB) were added into anaerobic digesters and evaluated for hydrogen sulfide (H₂S) reductions. This was the first study to show Fe-impregnated biochar can eliminate H₂S production. The novel study evaluated biochar addition on H₂S reduction and nutrient concentrations using three experiments to test the effect of: 1) biochar concentration, 2) biochar part ...
DOI:
10.1016/j.biortech.2020.123121

18. Enhancing the anaerobic digestion of corn stover by chemical pretreatment with the black liquor from the paper industry

Author:
Xu, Haipeng; Li, Yan; Hua, Dongliang; Zhao, Yuxiao; Mu, Hui; Chen, Honglei; Chen, Guanyi
Source:
Bioresource technology 2020 v.306 pp. 123090
ISSN:
0960-8524
Subject:
corn stover,   etc   ; alkalinity; anaerobic digestion; buffering capacity; ions; methane production; pH; pulp and paper industry; waste liquors;     Show all 9 Subjects
Abstract:
... In this work, black liquor as a waste from paper industry was used to pretreat corn stover before anaerobic digestion. The batch mode anaerobic digestion achieved a methane production up to 260.5 mL/g VS when the corn stover was pretreated the black liquor of 12 g NaOH/L alkalinity for 24 h, which was 59.1% higher than the control. In the semi-continuous mode anaerobic digestion, black liquor pret ...
DOI:
10.1016/j.biortech.2020.123090

19. Methane production from the co-digestion of pig manure and corn stover with the addition of cucumber residue: Role of the total solids content and feedstock-to-inoculum ratio

Author:
Wang, Yaya; Zhang, Jiaxing; Li, Yangyang; Jia, Shufei; Song, Yang; Sun, Yanbo; Zheng, Zehui; Yu, Jiadong; Cui, Zongjun; Han, Yiyu; Hao, Jianjun; Li, Guoxue
Source:
Bioresource technology 2020 v.306 pp. 123172
ISSN:
0960-8524
Subject:
corn stover,   etc   ; ammonium nitrogen; anaerobic digestion; cucumbers; economic analysis; hydrolysis; methane production; pH; pig manure; total solids;     Show all 10 Subjects
Abstract:
... This study investigated performance and stability of increasing total solids (TS) content (10–30%) and feedstock-to-inoculum (F/I) ratios (1, 2) on anaerobic co-digestion of agricultural wastes. The cumulative methane yields generally decreased with the increasing TS content except for the TS content of 30% at F/I ratio of 1 and TS content of 10% at F/I ratio of 2. This was consistent with the max ...
DOI:
10.1016/j.biortech.2020.123172

20. Chemical composition of maize stover fraction versus methane yield and energy value in fermentation process

Author:
Wojcieszak, Dawid; Przybył, Jacek; Ratajczak, Izabela; Goliński, Piotr; Janczak, Damian; Waśkiewicz, Agnieszka; Szentner, Kinga; Woźniak, Magdalena
Source:
Energy 2020 v.198 pp. 117258
ISSN:
0360-5442
Subject:
corn stover,   etc   ; biogas; biomass; cellulose; energy efficiency; fermentation; harvest date; lignin; lignin content; lignocellulose; methane; methane production; peduncle; sodium;     Show all 14 Subjects
Abstract:
... Maize stover is a morphologically diverse biomass, consisting of cobs, leaves, husks and stalks. Technological solutions allow separation of maize stover fractions depending on harvest term, tissular and chemical composition. Different chemical compositions of lignocellulose biomasses affect energy efficiency of specific fractions in methane fermentation.The aim of this study was to correlate the ...
DOI:
10.1016/j.energy.2020.117258