Results 61 to 70 of about 10,025 (269)

Offsetting of CO₂ emissions by air capture in mine tailings at the Mount Keith Nickel Mine, Western Australia: Rates, controls and prospects for carbon neutral mining

open access: yes, 2014
The hydrated Mg-carbonate mineral, hydromagnesite [Mg₅(CO₃)₄(OH)₂•4H₂O], precipitates within mine tailings at the Mount Keith Nickel Mine, Western Australia as a direct result of mining operations.
K. Ulrich Mayer   +25 more
core   +1 more source

Factors influencing the stable carbon isotopic composition of suspended and sinking organic matter in the coastal Antarctic sea ice environment [PDF]

open access: yes, 2011
A high resolution time-series analysis of stable carbon isotopic signatures in particulate organic carbon (δ13CPOC) and associated biogeochemical parameters in sea ice and surface waters provides an insight into the factors affecting δ13CPOC in the ...
Carson, D. S.   +26 more
core   +1 more source

Microwave‐assisted catalytic pyrolysis of textile wastes: Synergistic effects and product characteristics

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study examines the microwave‐assisted catalytic pyrolysis (MACP) of individual and blended textiles (cotton, polyester, nylon 6) using ZnO and a ZnO/natural zeolite catalyst. In a custom‐built microwave reactor operated at 500°C, 1 kW power, and a 15‐min residence time, textile wastes were pyrolyzed.
Peyman Alizadeh   +3 more
wiley   +1 more source

Upgradation of Waste Dyed Fiber Through Production of Upcycled Rotor‐Spun Yarn: Enhancing Sustainability in Textiles

open access: yesCleanMat, EarlyView.
This research is about development of upcycled yarn from textile waste. The results demonstrate that RDFW can be successfully incorporated into yarn production, maintaining comparable tensile strength and uniformity, while reducing waste and resource consumption also save up to 22,000 L of water and 1.2 kg of CO2 per kilogram of cotton.
Towfik Aziz Kanon   +4 more
wiley   +1 more source

Lay person perceptions of marine carbon dioxide removal (CDR) – Working paper

open access: yes, 2021
This working paper presents first insights on lay public perceptions of marine carbon dioxide removal (CDR) approaches. In seven focus groups, three in Germany and four in Norway (including one pilot) the researchers asked members of the lay public to ...
Merk, Christine, Veland, Siri
core   +1 more source

Tracking Climate and Environmental Attention: A News‐Based Composite Index

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study introduces the Climate and Environmental Attention Index, a composite indicator that tracks media attention to climate and environmental issues. Based on the Semantic Brand Score, the proposed index extracts significant signals from unstructured text, going beyond traditional measures of word frequency and sentiment.
Gianna Figà‐Talamanca   +3 more
wiley   +1 more source

On the Efficiency and Durability of Purposefully Sinking Seaweed Biomass as a Marine Carbon Dioxide Removal Strategy

open access: yesEarth's Future
Large‐scale farming and purposeful sinking of seaweed has been suggested as a marine Carbon Dioxide Removal (mCDR) strategy. Farmed seaweed uptakes dissolved inorganic carbon (DIC) from the mixed layer, resulting in a CO2 deficit that causes an influx of
Michaela Sten   +4 more
doaj   +1 more source

Fixação de carbono através de microalgas nativas (Chlamydomonas sp.) cultivadas em diferentes concentrações de CO2 [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2013.Devido ao atual problema do aumento das emissões de Gases de Efeito Estufa (GEE), especialmente de ...
Neves, Fábio de Farias
core  

Carbon emission assessment of tunnel infrastructures: From construction to operation

open access: yesDeep Underground Science and Engineering, EarlyView.
This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long   +4 more
wiley   +1 more source

Monitoring, Reporting and Verification for Marine Carbon Dioxide Removal

open access: yes
The European Marine Board Future Science Brief No. 13 ‘Monitoring, Reporting and Verification for marine Carbon Dioxide Removal' presents the key challenges for MRV, the status of the observing and modelling system that will be required to underpin MRV activities, and the status of existing protocols and governance frameworks addressing mCDR.
Muri, Helene   +12 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy