Effect of pyrolysis temperature and heating rate on biochar obtained from pyrolysis of safflower seed press cake
Abstract
Biochar is carbon-rich product generated from biomass through pyrolysis. In this study, the effects of pyrolysis temperature and heating rate on the yield and physicochemical and morphological properties of biochars obtained from safflower seed press cake were investigated. The results showed that the biochar yield and quality depend principally on the applied temperature where pyrolysis at 600 °C leaves a biochar with higher fixed carbon content (80.70%) and percentage carbon (73.75%), and higher heating value (30.27 MJ kg(-1)) in comparison with the original feedstock (SPC) and low volatile matter content (9.80%). The biochars had low surface areas (1.89-4.23 m(2)/g) and contained predominantly aromatic compounds. The biochar could be used for the production of activated carbon, in fuel applications, and water purification processes.
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Specific surface area decreases with increase of heating rate.
“The study of Angin (2013) showed that the specific surface area decreased with the increase of the heating rate.”
From Review of organic and inorganic pollutants removal by biochar and biochar-based composites (2021) · cites this paper as Angin (2013)
Different heating rates affect biochar yields at low temperature, but the effect can be ignored at high temperature.
“Different heating rates showed effects on BC yields at the low temperature, but could be ignored at the high temperature.”
From Review of organic and inorganic pollutants removal by biochar and biochar-based composites (2021) · cites this paper as Angin 2013
At a pyrolysis temperature of 600°C, the yield changed only 1.76% with heating rate.
“At a pyrolysis temperature of 600°C, the yield changed only 1.76%.”
From Review of organic and inorganic pollutants removal by biochar and biochar-based composites (2021) · cites this paper as Angin (2013)
Higher pyrolysis temperature decreases biochar yield due to larger primary decomposition or secondary decomposition of carbon residual.
“Generally, higher pyrolysis temperature decreased the BC yield due to larger primary decomposition or secondary decomposition of carbon residual (Angin 2013).”
From Review of organic and inorganic pollutants removal by biochar and biochar-based composites (2021) · cites this paper as Angin 2013
At 400°C, increasing heating rate decreased safflower seed press cake biochar yield from 34.18 to 29.70%.
“For instance, Angin (2013) pyrolyzed the safflower seed press cake with different heating rates at 400°C, and the yield decreased from 34.18 to 29.70% with the increase of heating rate.”
From Review of organic and inorganic pollutants removal by biochar and biochar-based composites (2021) · cites this paper as Angin (2013)
The specific surface area of biochars obtained from pyrolysis could increase by increasing the temperature and, after reaching the maximum, could decrease due to pore clogging.
“Thus, the specific surface area of biochars obtained from pyrolysis could increase by increasing the temperature and, after reaching the maximum, could decrease due to the pores clogging [34,35].”
From Hydrochar: A Review on Its Production Technologies and Applications (2021) · cites this paper as [34]
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- Authors
- Angın, D.
- Affiliations
- Sakarya University (TR)
- Corresponding author
- Angın, Dilek
- ORCID
- Angın, Dilek
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2013-01
- Volume
- 128
- Pages
- 593-597
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2093098048
- Cited by
- 733
- References
- 28
- Citations by year
- 2026: 48 · 2025: 65 · 2024: 70 · 2023: 84 · 2022: 72 · 2021: 84 · 2020: 79 · 2019: 65 · 2018: 43 · 2017: 46 · 2016: 31 · 2015: 20 · 2014: 19 · 2013: 7
- FWCI
- 8.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Sakarya Üniversitesi Kurumsal Açık Akademik Arşivi (submittedVersion)
- Funders
- Sakarya University Scientific Research Foundation (2010-01-16-003)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Physical Sciences › Materials Science › Materials Chemistry › Graphite, nuclear technology, radiation studies
- Keywords
- biochar, pyrolysis temperature, heating rate, biochar yield, physicochemical properties, fixed carbon, calorific value, volatile matter, surface area, aromatic compounds, activated carbon production, biomass valorization
- MeSH terms
- Charcoal, Energy Transfer, Plant Extracts, Seeds, Temperature, Incineration, Carthamus tinctorius
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