Author:
Gill Komal Aziz,Michczyńska Danuta J.,Michczyński Adam,Piotrowska Natalia,Ustrzycka Alicja
Abstract
Carbon black (CB) is produced through the incomplete combustion of biomass or thermal decomposition in an oxygen-deprived environment. Technical carbon black (TCB) primarily consists of elemental carbon and comes in various grades distinguished by surface area and nanostructure morphologies. However, TCB production raises sustainability concerns due to its reliance on non-renewable feedstock, significant CO<sub>2</sub> emissions and high energy consumption. TCBs find extensive use as reinforcing fillers in the tire and rubber industries. Recent studies underscore the importance of eco-friendly alternatives. This research was carried out to monitor the renewability of the TCB samples by determining the <sup>14</sup>C isotope concentration. Liquid scintillation counting (LSC) and accelerator mass spectrometry (AMS) radiocarbon techniques were employed for measuring the <sup>14</sup>C isotope concentration, while isotope ratio mass spectrometry (IRMS) corrected standardised isotope fractionation correction. The investigation revealed that the examined TCB samples contain extremely low <sup>14</sup>C concentrations, measuring <1 per cent modern carbon (pMC). This finding raises concerns regarding potential environmental ramifications.
Publisher
Silesian University of Technology
Reference30 articles.
1. Agnihotri R, Kumar R, Prasad M, Sharma C, Bhatia S and Arya B, 2014. Experimental setup and standardization of a continuous flow stable isotope mass spectrometer for measuring stable isotopes of carbon, nitrogen and sulfur in environmental samples. Mapan 29: 195–205.
2. ANRPC, (n.d.). Monthly nr statistical report. WEB site: . Accessed 2023 June 20.
3. ASTM:D1506-15, 2020. Standard test methods for carbon black—ash content. WEB site: . Accessed 2024 January 19.
4. ASTM:D1765-17, (n.d.). Standard classification system for carbon blacks used in rubber products. WEB site: . Accessed 2023 March 08.
5. CIO, 2022. Reference radiocarbon values for 100% biogenic carbon (14Cbio) based on atmospheric 14CO2, WEB site: . Accessed 2022 June 12.