Effect of pyrolysis temperature on pyrolysis of Camellia oleifera shell

Meng, Mingliang; Meng, Weibo; Cheng, Song; Xing, Baolin; Yi, Guiyun; Zhang, Chuanxiang

doi:10.1007/s13399-022-03317-z

Cited by 8 publications

(4 citation statements)

References 49 publications

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“…Another reason may be that the fracture and reforming reaction of the benzene ring in lignin causes the lignin in the GA to decompose and produce H 2 . As the pyrolysis temperature increased, the increased CH 4 content was attributed to the demethylation of the methoxy group on the benzene ring in GA, which is consistent with the above conclusion [ 27 ]. More H 2 content was found in the 400 ℃ pyrolysis, which may be due to the low-temperature pyrolysis producing fewer gas products, resulting in an increase in the H 2 volume ratio.…”

Section: Resultssupporting

confidence: 82%

“…The hydrocarbon content increased from 400 to 600 ℃. The formation of hydrocarbons may be due to the polymerization of cyclic monomers caused by radical rearrangement or the dehydroxylation of phenols [ 27 ]. The GC–MS results show that the pyrolysis oil contains more long-chain hydrocarbons with chain length content from C5 to over C20 (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The co-pyrolysis of biomass and plastic had a synergistic effect, which was mainly reflected in the fact that the active free radicals generated by gauze (biomass) pyrolysis can promote the fracture of C–H bonds in medical bottles (plastic). Meanwhile, more hydrogen will be provided by plastics with higher hydrogen content than biomass during co-pyrolysis [ 26 , 27 ]. Zhou et al [ 28 ] found that polyvinyl chloride and tissue paper have more significant synergies, which inhibit the production of alkyls and alkenes.…”

Section: Introductionmentioning

confidence: 99%

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Investigation of gauze and medical bottle co-pyrolysis on the product formation, reactivity, and reaction pathway of char, liquid oil, and gas

Chen

Huang

et al. 2023

Biomass Conv. Bioref.

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Effective in-site treatment of medical waste has become a weak link in hospitals. Pyrolysis technology is a treatment method for medical waste that can enable rapid disposal in hospital settings and relieve environmental pressure, while also producing high-value products and reducing disposal costs. In this work, the effects of feedstock ratio and temperature on product yield and components of gauze (GA) and medical bottles (MB) co-pyrolysis have been investigated. The higher yield of solid products was obtained by co-pyrolysis of GA and MB at 400 ℃. With the addition of MB and an increase in temperature for the co-pyrolysis of GA and MB in a similar ratio, the pyrolysis oil and gas yields gradually increased. According to GC–MS analysis, co-feeding 75% MB to GA improved the alcohol content from 33.21% to a maximum yield of 59.8% at a pyrolysis temperature of 700 ℃. The content of aliphatic hydrocarbon reached 38.68% when the pyrolysis temperature and MB addition ratio were 700 °C and 75%, respectively. The GC data shows that the main gas components of co-pyrolysis of GA/MB were CH 4 and H 2 , while the pyrolysis of pure GA or MB resulted in CO or CO 2 . Additionally, the solid carbon products obtained have an excellent pore structure. This strategy can benefit medical waste control and resource utilization for the low-cost disposal of medical waste and the acquisition of high-value resource products. Graphical Abstract

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Section: Resultssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Investigation of gauze and medical bottle co-pyrolysis on the product formation, reactivity, and reaction pathway of char, liquid oil, and gas

Chen

Huang

et al. 2023

Biomass Conv. Bioref.

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show abstract

“…The method has simple synthesis steps, low synthesis pressure, high production efficiency, less waste liquid discharge, and combined with the organic-free template method, which can minimize environmental pollution and cost [43]. For example, ZSM-5 zeolite is prepared by adding seed solid-phase synthesis, so that the synthesis method is environmentally friendly and economical to the greatest extent [44].…”

Section: Solid Phase Grinding Methodsmentioning

confidence: 99%

Functional Catalyst Molecular Sieves in Green Chemical Applications

Feng,

2023

Energy sci. policy

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With the development of green chemical industry and the continuous improvement of environmental awareness, the application of various catalysts in environmental protection has been widely concerned. As a green catalyst, molecular sieve catalyst has superior environmental performance, which is mainly reflected in its ability to improve the selectivity of reaction products, can be reused, good thermal stability and strong adaptability. This paper mainly introduces the types, development history, synthesis technology and application of zeolite catalysts, due to the development of science and technology, a large number of new synthetic zeolite catalysts are used in the field of catalysis and meet the requirements of green chemistry, and its synthesis technology is gradually trending towards environmental protection with the development of green chemistry. Zeolite catalysts are widely used in chemical industry and other fields, and their green environmental protection performance promotes the development of chemical processes in the direction of green chemicals.

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Effects of cellulose addition on sodium lignosulfonate pyrolysis: Product distribution and formation pathway

Ge,

Zhao,

Wang

et al. 2024

Can J Chem Eng

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Copyrolysis of lignin and cellulose can effectively improve pore structure and optimize product distribution. Therefore, the distribution, characteristics, components, and formation mechanism of the copyrolysis products of cellulose and sodium lignosulfonate were studied. The pyrolysis of sodium lignosulfonate was effectively inhibited by cellulose, especially when the amount of doped cellulose was 40 wt.%, and tubes presumed to be carbon nanotubes were prepared under these conditions. For bio‐oil, the contents of phenol, 2‐methoxy‐, and 4‐aminopyridine increased with decreasing amounts of doped cellulose. However, cellulose substantially reduced the content of 2‐furanmethanol. H2, CO2, CO, and CH4 were the main components of the biogas; among them, H2 was the most abundant component in the biogas. Considering the characteristics of the three‐phase product, a higher C content in the volatiles (especially bio‐oil) can promote the formation of carbon nanotubes. Finally, the formation mechanism and interactions of the main components in the volatiles of cellulose and sodium lignosulfonate were proposed.

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Effect of pyrolysis temperature on pyrolysis of Camellia oleifera shell

Cited by 8 publications

References 49 publications

Investigation of gauze and medical bottle co-pyrolysis on the product formation, reactivity, and reaction pathway of char, liquid oil, and gas

Investigation of gauze and medical bottle co-pyrolysis on the product formation, reactivity, and reaction pathway of char, liquid oil, and gas

Functional Catalyst Molecular Sieves in Green Chemical Applications

Effects of cellulose addition on sodium lignosulfonate pyrolysis: Product distribution and formation pathway

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