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Comparison between Properties of Biochar Produced by Traditional and Controlled Pyrolysis

Article

Last updated: 01 Jan 2025

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Tags

Soil science

Abstract

Biochar is usually produced from crop residues (feedstock) by pyrolysis process under controlled conditions in specialized reactors. The characterization of biochar properties produced under field condition is limited. The objective of this study was to compare the physicochemical properties of biochar produced from two feedstocks; sugarcane bagasse feedstock (SCBF) and rice husk feedstock (RHF), under traditional field conditions (primitive) and controlled conditions. The temperature of traditional pyrolysis process was kept around 500 °C. However pyrolysis temperature under controlled conditions was repeated at 450 °C and 550 °C. In general, the results showed that increasing pyrolysis temperature decreased biochar yield and increased volatile matter, total surface area and total pore volume which were higher in RHBs than in SCBBs, the pHs of both biochars were to the alkaline range, ash and Si percentages of RHBs were higher than that of SCBBs. Furthermore, the C percentage which was higher in SCBB than in RHB. The FR-IR spectral showed that the presence of free OH group and C-H stretch in both feedstocks disappeared in produced biochars under different pyrolysis conditions. The SEM images showed the presence of longitudinal pores in SCBF while SCBB (550 °C) contained longitudinal structure and fewer micropores, while the images of the RHF showed disturbed order of elongated pores which have been changed to developed pores in RHB (550 °C and traditional). The data of XRD analysis of SCBF indicated the presence of cellulose and disappeared in its three biochars while, XRD data of RHF and RHBs indicate the presence of amorphous silica and quartz. Both biochars produced in the field using traditional pyrolysis unit showed approximately biochar properties as those produced under controlled condition (550 °C).

DOI

10.21608/asejaiqjsae.2017.3720

Keywords

Feedstock, Sugarcane bagasse, rice husk, Pyrolysis, Biochar

Authors

First Name

Eman

Last Name

H. El-Gamal

MiddleName

-

Affiliation

Department of Soil and Water Science, Faculty of Agriculture, Alexandria University, El-Shatbi, Alexandria, Egypt.

Email

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City

-

Orcid

-

First Name

Maher

Last Name

Saleh

MiddleName

-

Affiliation

Department of Soil and Water Science, Faculty of Agriculture, Alexandria University, El-Shatbi, Alexandria, Egypt.

Email

-

City

-

Orcid

-

First Name

Ibrahim

Last Name

Elsokkary

MiddleName

-

Affiliation

Department of Soil and Water Science, Faculty of Agriculture, Alexandria University, El-Shatbi, Alexandria, Egypt.

Email

elsokkary35@gmail.com

City

-

Orcid

-

First Name

Mohamed

Last Name

Rashad

MiddleName

-

Affiliation

Land and Water Technologies Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), 21934 New Borg El Arab City, Alexandria, Egypt.

Email

-

City

-

Orcid

-

First Name

Mona M. Abd El-Latif

Last Name

Mona M. Abd El-Latif

MiddleName

-

Affiliation

Fabrication Technology Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA- city).

Email

-

City

-

Orcid

-

Volume

38

Article Issue

July-September

Related Issue

349

Issue Date

2017-09-01

Receive Date

2017-07-20

Publish Date

2017-09-01

Page Start

412

Page End

425

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 38_Issue July-September_Pages 412-425.pdf

PDF . 1.2MB

Link

https://asejaiqjsae.journals.ekb.eg/article_3720.html

Detail API

https://asejaiqjsae.journals.ekb.eg/service?article_code=3720

Order

5

Type

Original Article

Type Code

53

Publication Type

Journal

Publication Title

Alexandria Science Exchange Journal

Publication Link

https://asejaiqjsae.journals.ekb.eg/

MainTitle

Comparison between Properties of Biochar Produced by Traditional and Controlled Pyrolysis

Details

Type

Article

Created At

22 Jan 2023