Reactivity of volatile organic compounds with hydrated cement paste containing activated carbon

Krou, N.J.; Batonneau−Gener, Isabelle; Belin, T.; Mignard, Samuel; Javierre, Isabelle; Dubois-Brugger, Isabelle; Horgnies, Matthieu

doi:10.1016/j.buildenv.2015.01.025

Cited by 26 publications

(10 citation statements)

References 25 publications

(15 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In addition, the activated carbons are known to be excellent adsorbents for NO 2 [8] and can be added to the mix of mortar and concrete without affecting their mechanical properties and intrinsic durability [9]. It was also proved that cement paste containing activated carbon additive could adsorb certain types of VOCs [10]. The validity of the solution at a lab scale was demonstrated previously and the challenge is now to prove that it works in-situ in real pilot tests.…”

Section: Introductionmentioning

confidence: 86%

“…Moreover, the solutions leached from the walls of the garages were analysed by ion chromatography after the gas absorption tests. The results showed that almost no nitrate or nitrite in the leachate coming from the reference concrete but significant levels of nitrates and nitrites in the leachate coming from the depolluting concrete yet below the water quality standards [10].…”

Section: Introductionmentioning

confidence: 93%

See 1 more Smart Citation

NO₂ AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS

Javierre¹,

Horgnies²,

Serre³

et al. 2017

WIT Transactions on Ecology and the Environment

View full text Add to dashboard Cite

Air pollution produced by road traffic is an issue for public health and is responsible for the rise of acute respiratory diseases in urban areas. Some of the most toxic air pollutants, composed of nitrogen oxides (especially nitrogen dioxide, NO2) and volatile organic compounds (VOCs), are significantly detected in the poorly ventilated areas. The depolluting cement-based materials studied by LafargeHolcim do not rely on photo-catalysis and function without sunlight, which is especially suitable for use in polluted confined areas (such as tunnels or parking garages). The experiments carried out in the laboratory demonstrated that an addition of activated carbons into concrete and mortar improved the absorption properties of these noxious gases without affecting their mechanical properties and durability. Two parking garages of 18 m 3 were built with internal walls made of depolluting concrete (or coated by a depolluting mortar) to measure their performances. The tests conducted using a gasoline-based generator (to produce a cocktail of air pollutants) confirmed a significant reduction of the NO2 rate and noticeable abatements of certain VOCs (such as benzene and toluene).

show abstract

Section: Introductionmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 93%

NO₂ AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS

Javierre¹,

Horgnies²,

Serre³

et al. 2017

WIT Transactions on Ecology and the Environment

View full text Add to dashboard Cite

show abstract

“…This method is called Macro Defect Free (MDF) formulations. Comparison of results of non activated carbon specimen and activated carbon containing specimens showed the potential ability of activated carbon in moisture resistance [10].…”

Section: Review Of Literature Bchowdhury [2004]mentioning

confidence: 96%

Prospective Benefits of Using Activated Carbon in Cement Composites- An Overview

Aiswarya¹,

Moses²,

Thomas³

et al. 2019

IJARET

View full text Add to dashboard Cite

An exhaustive study of available literature on use of activated carbon in cement composites was done. Adsorptive nature of activated carbon can be effectively used to remove toxic air pollutants such as nitrogen oxide, volatile organic compounds by adsorbing to concrete elements (chimneys, tunnels etc.). Experimental research work carried out on cement composites containing activated carbon revealed its potential ability to improve physical, mechanical and durability properties of cement composites. A comprehensive review of selected literature was carried out and the significant findings are presented in this paper. Researchers across the globe had experimentally showed that presence of activated carbon at 1 to 4% in cement composites positively influence various properties of cement composites.

show abstract

“…In addition, Suarez et al [125] stated that the replacement of 2% of cement with biochar in a 1 m 3 cement paste production leads to a reduction of 67 kg of atmospheric CO2. Activated charcoals and carbons are effective industrial adsorbents, and the incorporation of such materials in fresh concrete resulted in increased NO 2 absorption by the hardened product [126][127][128]. In this manner, it is anticipated that the addition of biochar to cement could contribute to the absorption of NO x , thereby greatly reducing the environmental impact; however, research in this area is limited.…”

Section: Life Cycle Assessment (Lca) Of Biochar/concretementioning

confidence: 99%

Biochar-Added Cementitious Materials—A Review on Mechanical, Thermal, and Environmental Properties

Mensah

Vigneshwaran

Narayanan³

et al. 2021

Sustainability

View full text Add to dashboard Cite

The enhanced carbon footprint of the construction sector has created the need for CO2 emission control and mitigation. CO2 emissions in the construction sector are influenced by a variety of factors, including raw material preparation, cement production, and, most notably, the construction process. Thus, using biobased constituents in cement could reduce CO2 emissions. However, biobased constituents can degrade and have a negative impact on cement performance. Recently, carbonised biomass known as biochar has been found to be an effective partial replacement for cement. Various studies have reported improved mechanical strength and thermal properties with the inclusion of biochar in concrete. To comprehend the properties of biochar-added cementitious materials, the properties of biochar and their effect on concrete need to be examined. This review provides a critical examination of the mechanical and thermal properties of biochar and biochar-added cementitious materials. The study also covers biochar’s life cycle assessment and economic benefits. Overall, the purpose of this review article is to provide a means for researchers in the relevant field to gain a deeper understanding of the innate properties of biochar imparted into biochar-added cementitious materials for property enhancement and reduction of CO2 emissions.

show abstract

Reactivity of volatile organic compounds with hydrated cement paste containing activated carbon

Cited by 26 publications

References 25 publications

NO₂ AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS

NO₂ AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS

Prospective Benefits of Using Activated Carbon in Cement Composites- An Overview

Biochar-Added Cementitious Materials—A Review on Mechanical, Thermal, and Environmental Properties

Contact Info

Product

Resources

About

Reactivity of volatile organic compounds with hydrated cement paste containing activated carbon

Cited by 26 publications

References 25 publications

NO2 AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS

NO2 AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS

Prospective Benefits of Using Activated Carbon in Cement Composites- An Overview

Biochar-Added Cementitious Materials—A Review on Mechanical, Thermal, and Environmental Properties

Contact Info

Product

Resources

About

NO₂ AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS

NO₂ AND VOCS DEPOLLUTION IN GARAGE PROTOTYPES USING INNOVATIVE CONCRETES AND MORTARS