There is a common understanding that the environmental impacts of construction materials should be significantly reduced. This article provides a comprehensive environmental assessment within Life Cycle Assessment (LCA) boundaries for Ultra-High-Performance Concrete (UHPC) in comparison with Conventional Concrete (CC), in terms of …
Activated carbon (AC) produced from agro-industrial waste is an interesting adsorbent in water purification and effluent treatment processes. In this work, activated biochar (BFAC) from banana peel waste (BPF) was prepared by chemical activation (NaOH) followed by pyrolysis at 600 °C to remove...
The maximum annual production capacity of 900 t (dry weight) of BM and BW input material of the pyrolysis and activation unit was used for calculation of mass and energy balances (Figure 1). 2.2 Activated carbon production and usage Raw BM and BW was pre-treated according to the IFBB technology approach, as described in details by (Joseph et al ...
Activated carbon (AC) developed and marketed for water and gas purification is traditionally made from hard coals (fossil-based materials). However, increasing awareness of environmental impacts ...
Among the CCS technologies, carbon-based material, especially activated carbon (AC) is the most common due to its low cost, simple availability, and relatively high capacity [7]. At present, activated carbons are mainly made from biomass …
Electric double layer capacitors, also called supercapacitors, ultracapacitors, and electrochemical capacitors, are gaining increasing popularity in high power energy storage applications. ... This article provides an overview of the electrochemical studies on activated carbon, carbide derived carbon, zeolite-templated carbon, carbon aerogel ...
Micropollutants in wastewater present environmental and human health challenges. Powdered activated carbon (PAC) can effectively remove organic micropollutants, but PAC production is energy intensive and expensive. Biochar adsorbents can cost less and sequester carbon; however, net benefits depend on biochar production conditions and treatment capabilities. …
Data on the environmental impact of biochar and activated carbon were collected mainly through peer-reviewed journal articles on life cycle assessment (LCA) of biochar and activated carbon. A total of 84 different types of biochar and activated carbon were identified from literature, and corresponding data recorded.
Tyre waste is a common form of non-degradable polymer-based solid waste. This solid waste can be effectively managed by converting it into char through the pyrolysis process and then further converting the char into activated carbon (AC) through physical and chemical activation processes. Tyre-derived activated carbon (TDAC) has versatile …
This study aims to assess the environmental impacts of manufacturing AC and electrodes for supercapacitors from waste materials, utilizing the life cycle assessment (LCA) principles. The …
CO 2 adsorption capacity varies between 1.78 and 2.95 mmolCO 2 .g ⁻¹ at 273 K and low pressure, and the activated carbon impregnated with the solution of MgCl 2 3 % and activated at 1073 K (i ...
To quantify the potential environmental implications related to the production process of the activated carbon (AC) from olive trees, the life cycle assessment (LCA) environmental methodology was ...
The results showed that the activated carbon could be used for pollutant adsorbents such as molecular dyes (methylene blue: 217 mg g-1) and metal ions (copper: 169 mg g-1) from aqueous solution. In addition, the as-synthesized activated carbon can be used for CO 2 capture and capacitor. Instead of focusing on one single application, we proposed ...
a CV curves of kelp derived activated carbon symmetric capacitor at a scan rate of 50 mV s −1 in different voltage windows; b Ragone plots of kelp derived activated carbon (KCN-700) and other carbon-based symmetric supercapacitors [94,95,96,97,98]; c comparison of the volumetric and gravimetric energy densities of different symmetric ...
Zinc ion hybrid capacitors (ZIHCs), which integrate the features of the high power of supercapacitors and the high energy of zinc ion batteries, are promising competitors in future electrochemical energy storage applications. Carbon-based materials are deemed the competitive candidates for cathodes of ZIHC due to their cost-effectiveness, high electronic …
The study investigated the utilization of waste palm fiber as an adsorbent for methylene blue (MB) removal. The waste palm fiber was treated by a series of steps to prepare an activated charcoal adsorbent. The adsorption process of MB on the activated charcoal was modeled using the Box–Behnken design (BBD) in the response surface methodology (RSM). …
The Czech Republic is introducing new technological concepts for mitigation of greenhouse gases (GHG) in coal-based energy industries. One such technology, in power plants, is post combustion CO2 capture from flue gases by activated carbon adsorption. A life cycle assessment (LCA) was used as the assessment tool to determine the environmental impacts …
The synthesis of a green product depends on a deep perception concerning its economic and environmental impacts. To attain this purpose, a life cycle assessment (LCA) coupled with life cycle cost (LCC) comparative study was conducted concerning two highly efficient synthesized carbon-based adsorbents i.e. activated carbon (AC) and modified AC …
The objectives of this study were to: (1) perform LCA analyzing the environmental impacts of biomass-based activated carbon; (2) conduct a techno-economic analysis of AC-based supercapacitors utilizing the energy …
The adsorption capacity of activated carbon is a function of the activation process. The purpose of the activation step is to improve porosity and the combustion of the tars present during carbonization (Turmuzi et al. 2004).The processes of activation are based on the reaction of various components that make up the carbon structure (Chowdhury 2013) and can …
Activated carbon is carbon produced from carbonaceous source materials, such as coconut shells, coals, and woods. In this study, an activated carbon production system was analyzed by carbonization and activation in terms of environmental impact and human health. The feedstock of wood wastes for the system reduced fossil fuel consumption and disposal costs. …
The study explored the potential of activated carbon from mixed municipal solid waste (MSW) char produced at 250 and 350 °C. The resulting char was activated using NaCl, KOH, and ZnCl 2, serving as a novel precursor to optimizing the synthesis conditions for cost-effective activated carbon aimed at removing Pb(II) from water aracterization techniques, including proximate …
Graphene-based supercapacitors – with current material performance and energy mix – represent a greater environmental burden than conventional activated carbon-based …
Purpose Aluminum electrolytic capacitors (AECs) are a type of indispensable electronic components in modern electronic and electrical products. They are designed and manufactured by a series of product specifications to meet the requirements of a variety of application scenarios. Efficient assessment of the potential environmental impact on AECs …
Activated carbon is regularly used in many areas of daily life. Since these activated carbons have a high specific surface area and porosity, they have a high capacity to eliminate organic pollutants by adsorption (Koçer and Acemioğlu, 2016).Several activating agents (NaOH, H 2 SO 4, H 3 PO 4 etc.) can be used to activate the biomass. Cruz et al., 2012 …
Supercapacitors have emerged as highly efficient energy storage devices, relying on electrochemical processes. The performance of these devices can be influenced by several factors, with key ...
This study aims to assess the environmental impacts of manufacturing AC and electrodes for supercapacitors from waste materials, utilizing the life cycle assessment (LCA) principles. The process of producing AC involves raw material preparation, hydrothermal …
Several studies have been conducted on carbon-neutrality methods (Kumar Shukla et al., 2020; Wilberforce et al., 2019).The neutrality of carbon is the method of achieving a balance between CO 2 emissions and atmospheric carbon offsets through the development of economically viable technologies with added value as well as promising methods that help …
Therefore, under the national carbon peaking and carbon neutrality goals, natural gas distributed energy has a very good development prospect and environmental advantages when transforming the ...
The notable environmental concerns of the halogen-containing obnoxious conventional refrigerants have grounded to devise the environmentally benign and efficient cooling system. In view of this alarming issue, an experimental model cooling system based on pressure swing adsorption–desorption (PSAD) mechanism has been contrived for its …
Activated carbon (AC) is considered as a potential material for electrodes in supercapacitors; however, its production process entails significant emissions to the environment. This study …
Activated carbon was produced from Neem leaves by employing zinc chloride as activating agent during chemical activation process. These findings indicate the production of …
Zinc ion hybrid capacitors (ZIHCs), which integrate the features of the high power of supercapacitors and the high energy of zinc ion batteries, are promising competitors in future electrochemical energy storage applications. …
Supercapacitors have numerous applications in which high power, long cycle life, and rapid recharging are required. However, the environmental assessment of supercapacitors has been limited despite their potential to decouple …
DOI: 10.1007/s10098-024-03036-1 Corpus ID: 273363443; The environmental impacts via life cycle assessment of activated carbon produced by Fiddlewood and Jacaranda biomass …
DOI: 10.1021/acssuschemeng.2c03239 Corpus ID: 253405705; Life Cycle Assessment of Supercapacitor Electrodes Based on Activated Carbon from Coconut Shells @article{Glogic2022LifeCA, title={Life Cycle Assessment of Supercapacitor Electrodes Based on Activated Carbon from Coconut Shells}, author={Edis Glogic and A. Kamal Kamali and Nilanka …
The adsorption tests conducted at 273 and 293 K showed that when CO2 pressure is lower than 0.3 bar, the lower the activation time, the higher CO2 advertisersorption capacity; a ranking of ω(eq)(AC20) >π(eq(eq)AC40) > ω (eq) AC60 can be exactly defined when T = 293 K; hence, AC60 has the higher contribution. In this work, batch and dynamic …
The environmental impacts via life cycle assessment of activated carbon produced by Fiddlewood and Jacaranda biomass ... Keywords Activated carbon · Environmental impacts · Life cycle …
Bamboo is the fastest-growing plant and is abundant in Malaysia. It is employed as a starting material for activated carbon production and evaluated for its potential in CO2 capture. A single-stage phosphoric acid (H3PO4) activation is adopted by varying the concentrations of H3PO4 between 50 and 70 wt.% at a constant temperature and holding time …
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