Chars From Hydrothermal and Hydrothermal Tandem Pyrolysis Carbonizations of Polyvinyl Chloride: Dechlorination Ability and Its Surface Characterization DOI Creative Commons

Muslem Muslem,

Hayatun Nufus,

Muammar Yulian

et al.

Elkawnie, Journal Year: 2024, Volume and Issue: 10(2), P. 289 - 289

Published: Dec. 31, 2024

Abstract: The hydrothermal carbonization method has been applied in polyvinyl chloride (PVC) conversion. polymer was transformed to char safely without the formation of harmful emissions. PVC's chlorine content removed through a nucleophilic reaction by reactive subcritical water and captured alkali ions as stable salt. PVC bulk dechlorinated carbonized inside reactor at 200 °C for 120 minutes. solid chars obtained then were characterized Fourier Transform Infra-Red, Scanning Electron Microscope, Energy Dispersive X-ray, Transmission Microscope. As comparison, also pyrolyzed further obtain thermal characteristics. products (hydrochar) hydrothermal-pyrolysis (hydro-pyrochar) yielded 94.96% 48.08%, respectively. infrared spectra showed that both hydrochar hydro-pyrochar consist aliphatic carbon hydrophilic functional groups C=O OH. morphological images observed Microscope on magnification 3000x smooth granular particle irregular rough hydro-pyrochar. contents from surface analysis energy dispersive X-ray decreased down 23.24 mass percentage 56.80 PVC, while hydro-pyrochar, there is no surfaces. investigated revealed shape cylindrical. sizes calculated range 36-180 nm 8-40 nm, respectively.Abstrak: Metode karbonisasi hidrotermal telah berhasil diaplikasikan dalam konversi polivinil klorida (PVC). Polimer diubah menjadi arang dengan cara yang aman tanpa menghasilkan emisi berbahaya. Klorin dikeluarkan melalui reaksi nukleofilik oleh air subkritis reaktif dan ditangkap ion garam stabil. Serbuk dideklorinasi dikarbonisasi didalam reaktor pada selama menit. Arang padat diperoleh selanjutnya dikarakterisasi Infra Red, X-Ray Sebagian juga dipirolisis untuk mendapatkan karakteristik pemanasan kering sebagai pembanding. Rendemen diperloleh secara (hidrochar) sebesar 94,96% hidrotermal-pirolisis 48,08%. Spektra infra merah menunjukan bahwa kedua jenis tersebut mengandung karbon alifatik gugus fungsi hidrofilik Morfologi permukaan teramati pembesaran menunjukkan hidrochar merupakan partikel bulat lembut hidro-pirochar kasar tidak beraturan. Analisis dispersi energi persentase klorin turun 23,24% (b/b) dari awal 56,80% (b/b), sedangkan hidro-pirochar, ada terdeteksi partikel. berbentuk bulat, silinder. Ukuran berada rentang ukuran nm.

Language: Английский

Preparation of aromatic hydrocarbon-rich bio-oils by catalytic co-pyrolysis of biomass components and plastics based on HZSM-5, MCM-41, and HZSM-5/MCM-41 DOI

Tanglei Sun,

Ruisi Wang,

Yingjie Xing

et al.

Energy, Journal Year: 2025, Volume and Issue: unknown, P. 134920 - 134920

Published: Feb. 1, 2025

Language: Английский

Citations

0
Transport Mechanisms of Microplastics in Clean Sand under Cyclic Hydraulic Gradients DOI
Yuliang Guo, Budi Zhao, Qianhong She

et al.

Journal of Geotechnical and Geoenvironmental Engineering, Journal Year: 2025, Volume and Issue: 151(5)

Published: Feb. 24, 2025

Language: Английский

Citations

0
From separation to identification: Microplastic detection and analyses in soils DOI
Qingwei Zhou, Meiqing Jin, Li Fu

et al.

Microchemical Journal, Journal Year: 2025, Volume and Issue: unknown, P. 113652 - 113652

Published: April 1, 2025

Language: Английский

Citations

0
Characterization of microplastics in soil, leachate and groundwater at a municipal landfill in Rayong Province, Thailand DOI

Wanlapa Wisitthammasri,

Phatchareeporn Promduang,

Srilert Chotpantarat

et al.

Journal of Contaminant Hydrology, Journal Year: 2024, Volume and Issue: 267, P. 104455 - 104455

Published: Nov. 1, 2024

Language: Английский

Citations

1
Chars From Hydrothermal and Hydrothermal Tandem Pyrolysis Carbonizations of Polyvinyl Chloride: Dechlorination Ability and Its Surface Characterization DOI Creative Commons

Muslem Muslem,

Hayatun Nufus,

Muammar Yulian

et al.

Elkawnie, Journal Year: 2024, Volume and Issue: 10(2), P. 289 - 289

Published: Dec. 31, 2024

Abstract: The hydrothermal carbonization method has been applied in polyvinyl chloride (PVC) conversion. polymer was transformed to char safely without the formation of harmful emissions. PVC's chlorine content removed through a nucleophilic reaction by reactive subcritical water and captured alkali ions as stable salt. PVC bulk dechlorinated carbonized inside reactor at 200 °C for 120 minutes. solid chars obtained then were characterized Fourier Transform Infra-Red, Scanning Electron Microscope, Energy Dispersive X-ray, Transmission Microscope. As comparison, also pyrolyzed further obtain thermal characteristics. products (hydrochar) hydrothermal-pyrolysis (hydro-pyrochar) yielded 94.96% 48.08%, respectively. infrared spectra showed that both hydrochar hydro-pyrochar consist aliphatic carbon hydrophilic functional groups C=O OH. morphological images observed Microscope on magnification 3000x smooth granular particle irregular rough hydro-pyrochar. contents from surface analysis energy dispersive X-ray decreased down 23.24 mass percentage 56.80 PVC, while hydro-pyrochar, there is no surfaces. investigated revealed shape cylindrical. sizes calculated range 36-180 nm 8-40 nm, respectively.Abstrak: Metode karbonisasi hidrotermal telah berhasil diaplikasikan dalam konversi polivinil klorida (PVC). Polimer diubah menjadi arang dengan cara yang aman tanpa menghasilkan emisi berbahaya. Klorin dikeluarkan melalui reaksi nukleofilik oleh air subkritis reaktif dan ditangkap ion garam stabil. Serbuk dideklorinasi dikarbonisasi didalam reaktor pada selama menit. Arang padat diperoleh selanjutnya dikarakterisasi Infra Red, X-Ray Sebagian juga dipirolisis untuk mendapatkan karakteristik pemanasan kering sebagai pembanding. Rendemen diperloleh secara (hidrochar) sebesar 94,96% hidrotermal-pirolisis 48,08%. Spektra infra merah menunjukan bahwa kedua jenis tersebut mengandung karbon alifatik gugus fungsi hidrofilik Morfologi permukaan teramati pembesaran menunjukkan hidrochar merupakan partikel bulat lembut hidro-pirochar kasar tidak beraturan. Analisis dispersi energi persentase klorin turun 23,24% (b/b) dari awal 56,80% (b/b), sedangkan hidro-pirochar, ada terdeteksi partikel. berbentuk bulat, silinder. Ukuran berada rentang ukuran nm.

Language: Английский

Citations

0