@GlobalEcoGuy But CO2 emissions from cement originate with fossil fuel combustion needed to make the cement, right? A 2016 paper in Nature Geoscience said cement carbonation serves as a carbon sink over time: https://t.co/PDP9upcfhr.
@AkitaPijiu @Cyclonos Falsch. Bei der Zementproduktion wird (notwendigerweise) viel CO2 frei. Aber beim Aushärten bindet der Zement (auch im Beton ;-) einen nicht unerheblichen Teil (etwas weniger als die Hälfte) davon. Siehe z.B. https://t.co/9IexBswzKB
@RobertHoglund Ah, sorry, we are definitely not talking about the same thing at all. I'm talking about this - https://t.co/9Fyg1tCXed
@coreyamyers @AndreasenJack @gnievchenko Are you talking about stuff like this? https://t.co/GOJHH2g3KV
RT @AMoncaster: I review this paper in my own recent paper. Xi et al are looking at annual global processes, whereas I am looking at the s…
RT @lorchBRI: We don't have time (60+ years) to wait for carbonation of CO2 dumped into the atmosphere now. Better to avoid / reduce emissi…
RT @lorchBRI: We don't have time (60+ years) to wait for carbonation of CO2 dumped into the atmosphere now. Better to avoid / reduce emissi…
RT @lorchBRI: We don't have time (60+ years) to wait for carbonation of CO2 dumped into the atmosphere now. Better to avoid / reduce emissi…
RT @lorchBRI: We don't have time (60+ years) to wait for carbonation of CO2 dumped into the atmosphere now. Better to avoid / reduce emissi…
RT @lorchBRI: We don't have time (60+ years) to wait for carbonation of CO2 dumped into the atmosphere now. Better to avoid / reduce emissi…
We don't have time (60+ years) to wait for carbonation of CO2 dumped into the atmosphere now. Better to avoid / reduce emissions as much as possible. Offsets do not account for actual conditions of concrete in buildings (as opposed to theory) so the figur
RT @AMoncaster: I review this paper in my own recent paper. Xi et al are looking at annual global processes, whereas I am looking at the s…
RT @AMoncaster: I review this paper in my own recent paper. Xi et al are looking at annual global processes, whereas I am looking at the s…
RT @AMoncaster: I review this paper in my own recent paper. Xi et al are looking at annual global processes, whereas I am looking at the s…
RT @AMoncaster: I review this paper in my own recent paper. Xi et al are looking at annual global processes, whereas I am looking at the s…
I review this paper in my own recent paper. Xi et al are looking at annual global processes, whereas I am looking at the sense of using concrete in buildings. They show that eventually just under half the CO2 from the calcination during manufacture.. http
@CKernkraft Für #Nettonull braucht die Zementindustrie Carbon-Capture, weil Beton beim Abbinden nur 43% des CO₂ wieder aufnimmt. https://t.co/dNG0lCG50i
Carbonation, the uptake of CO₂ by cement over its lifetime (currently ~1 GtCO₂/yr), removes ~43% of the CO₂ from cement production. Would the reformulated cement, replacing carbonates with silicates, do the same? @ciais_philippe @SteveDavisUCI https://t.c
Kind of mind boggling that all that concrete infrastructure we've produced (at significant cost for global warming) is also soaking up considerable amounts of CO2 each year (and growing rapidly). Nice to know the days of carbon-neutral cement are in sight.
RT @Kako_line: Sources Rapport du GIEC (page 1171-1172) : https://t.co/U4l7CJeFlb F. XI, 2016, Substantial global carbon uptake by cement c…
Sources Rapport du GIEC (page 1171-1172) : https://t.co/U4l7CJeFlb F. XI, 2016, Substantial global carbon uptake by cement carbonation : https://t.co/POZvTWbBm0 Hertwich, 2019, Carbon footprint materials production : https://t.co/QpwRdihrLP
@CoalFreeDave @HCamerlynck It’s really an optimistic figure. 50% of cement emissions are process emissions and only this part can react w CO2 again. Nature article 2016 estimates 43% uptake over 80 years https://t.co/wuxwMYZK8T
@JohannesSchmidl @MarkusGroll @wolfgangkratky Auf dieses Paper berufen sich da alle: https://t.co/wvasDANhM0
RT @Kako_line: Une étude montre que la séquestration liée à la carbonatation du béton entre 1930-2013 a permis de compenser 43% des émissio…
RT @Kako_line: Une étude montre que la séquestration liée à la carbonatation du béton entre 1930-2013 a permis de compenser 43% des émissio…
@Kako_line @LyonL1960 Une étude sur le sujet. On pourrait enlever 40% des émissions, de mémoire. Mais je ne sais pas si c'est déjà pris en compte (ou même partiellement) dans les ACV actuelles. https://t.co/aK4SqAymcz
@Manamind1 @BillGates Cao et al simply apply the method of Xi et al 2016. Better to read that one, and/or Guo et al 2021 if you want the details. It's just bad maths notation. Should be divided by the square root of the year. https://t.co/sSsfzjAKTC https:
@pimarty86 @EuropeScientist @laydgeur @Le_Reveilleur Selon cet article (dans Nature Geoscience) , le beton absorbe une petite moitié du CO2 émis lors de la transformation chimique du calcaire pour générer le ciment. Sans même compter les émissions nécessai
RT @KenCaldeira: @steingart @longnow Some cement is absorbing CO2 in a process called carbonation. This process likely takes up an amount…
@steingart @longnow Some cement is absorbing CO2 in a process called carbonation. This process likely takes up an amount of CO2 equivalent to a couple of % of global CO2 emissions. Interannual variation in this flux cannot be characterized so will not be
@ThomasvanBelzen @JessicaVanEijs @JWvdGroep @Platform_M3 Cement itself may help offset some of those climate-changing emissions. A team of researchers estimate that 43% of the CO2 released by cement calcination between 1930 and 2013 was reabsorbed by the c
@JWvdGroep Na productie absorbeert beton ook nog bijna de helft v/d #CO2 door #carbonatatie Grondstof cement van nature al een #carbon #sink En zie: https://t.co/MYuUJhSw8t En https://t.co/ywQvZvfzhH
@MikkoIsotalo @AmosAhola Minulle linkattiin tänään tällainen: https://t.co/D5RXIdAtaV
@schmadzie @By_Concrete According to this analysis, reabsorption was "43% of the CO₂ emissions from production of cement over the same period, not including emissions associated with fossil use during cement production." So maybe 1/4 of the total including
@ryankatzrosene @KenCaldeira Free version here: https://t.co/ps5IEieWqu
@ryankatzrosene @KenCaldeira Apparently it takes decades to do this, although the process is not well studied. According to this paper, almost half (43%) of the original process emissions (not including fossil fuel combustion) were reabsorbed. That would b
@pedrojuk Yes, although it's not widely appreciated just how much co2 that cement sequesters https://t.co/IYwC9NMMLu
@GordMcNaughton @PaulEDawson Production of cement releases CO2. It is estimated that it currently accounts for only about 6% of anthropogenic CO2 emissions: https://t.co/m00rVsmLzS Then, as it ages and weathers, the concrete absorbs CO2, removing it from
RT @KenCaldeira: Does anybody know of a survey of the degree of carbonation of cements that are, say, at least 100 years old? Is there a g…
RT @KenCaldeira: Does anybody know of a survey of the degree of carbonation of cements that are, say, at least 100 years old? Is there a g…
RT @KenCaldeira: Does anybody know of a survey of the degree of carbonation of cements that are, say, at least 100 years old? Is there a g…
Substantial global carbon uptake by cement carbonation found via @cronycle https://t.co/0LginfylDP
RT @KenCaldeira: Does anybody know of a survey of the degree of carbonation of cements that are, say, at least 100 years old? Is there a g…
RT @KenCaldeira: Does anybody know of a survey of the degree of carbonation of cements that are, say, at least 100 years old? Is there a g…
RT @KenCaldeira: Does anybody know of a survey of the degree of carbonation of cements that are, say, at least 100 years old? Is there a g…
Does anybody know of a survey of the degree of carbonation of cements that are, say, at least 100 years old? Is there a good estimate of cement carbonation rates based on observations of centuries-old cements? https://t.co/dMr1XISYaX
Intressant artikel om betons evnet til at opsuge co2. Jeg kender godt @CarbonCure arbejde med CCU i beton, men det her er nyt. https://t.co/z7WNa6jnjq
@Peters_Glen @SBudinis @IEA Two affordable measures proposed by our previous research: 1. Enhance the weathering of manmade Alkaline minerals (Cement ), https://t.co/vg8YnWTCfW 2 use woods (Regenerated) as main material for building construction https://t
Two affordable measures proposed by our previous research: 1. Enhance the weathering of manmade Alkaline minerals (Cement ), https://t.co/vg8YnWTCfW 2 use woods (Regenerated) as main materials for building construction https://t.co/TkmraLpcEp
RT @MBSgroep: Net als #bossen en #oceanen fungeert #beton als #carbon #sink of #koolstofput. Door #carbonatatie wordt tijdens levensduur va…
@CJHandmer This study seems to provide a reasonable answer: it sounds like 40% of the calcination CO2 is reabsorbed. But I think calcination is only about half of the CO2 emissions, heating fuel is most of the rest. https://t.co/GOJHH2g3KV
Net als #bossen en #oceanen fungeert #beton als #carbon #sink of #koolstofput. Door #carbonatatie wordt tijdens levensduur van #betonconstructie 43% van #uitstoot bij #cementproductie (#kalksteen <=> #calciumoxide) al weer opgenomen https://t.co/MYuU
Duurzaam bouwen in #beton is noodzakelijk als we de jaarlijkse honderdduizend nieuwe Nederlanders willen huisvesten https://t.co/MYuUJhSw8t Cement wordt door wetenschappers als #koolstofput #carbon #sink gezien waarin de opgeslagen #CO2 geen #klimaatverand
@themadstone I agree, although an interesting fact that I wasn't aware of until fairly recently - cement has absorbed about half of the emissions associated with its production! https://t.co/IYwC9NMMLu
@StephanHofacker https://t.co/YYafRxZr7D Es wurde über einen Zeitraum von 80 Jahren, 43% des ausgestossenenen CO2 wieder aufgenommen, ohne Berücksichtigung der fossilen Brennstoffe um den Kalk auf 1400 Grad zu erhitzen. Und das durch Zerstörung der Gebäude
Roughly half of annual “process” emissions from global cement making are reabsorbed by carbonating of existing cement materials around the world. https://t.co/ID7wPpvMDt @DaboGuan /7
@k_stukenberg Vielleicht wird nicht zu den Alternativen gegriffen, weil Beton nach dem Verbauen auch wieder Kohlenstoffdioxid aufnimmt: https://t.co/GTpR5EORLd
@countcarbon my opinion is that we should build vast temples of cement and use them to sequester carbon in the long term https://t.co/IYwC9NMMLu (I don't think this)
@DeepikaBhushan @gccsi I’ve found this article to be helpful, and you might be able to calculate an estimate for CO2 uptake per ton of cement produced: https://t.co/8RBJRV8GyA
@MDN_Energy @Aldo_Peeters @BenoitVDBroecke @Lydiapeeters @wfschiltz Lijkt me inderdaad iets waar grote stappen te zetten vallen, maar waar sector volgens mij ook volop de mogelijkheden aan het onderzoeken is https://t.co/Y05265ayJw Wat de 'outcome' exact i
@wochendaemmrung Bzgl. Des CO2 Ausstoßes von Beton hatte @MInkorrekt da mal was: https://t.co/sbTImcbjZo
RT @SofiePelsmakers: CO2 from concrete: still high, but "carbonation of cement products represents a substantial carbon sink not considered…
RT @JAttwoodHarris: Maybe ruralism isn't the big enemy after all. Lets improve the buildings we already have rather than rushing to replac…
Maybe ruralism isn't the big enemy after all. Lets improve the buildings we already have rather than rushing to replace them https://t.co/AJNcAhBhfN
RT @SofiePelsmakers: CO2 from concrete: still high, but "carbonation of cement products represents a substantial carbon sink not considered…
RT @SofiePelsmakers: CO2 from concrete: still high, but "carbonation of cement products represents a substantial carbon sink not considered…
Hope for the future, was impressed by @_bramptonbrick carbon curr initiative
Interesting observation but nevertheless still calls us to find net-zero replacements for concrete..rapidly.
RT @SofiePelsmakers: CO2 from concrete: still high, but "carbonation of cement products represents a substantial carbon sink not considered…
RT @SofiePelsmakers: CO2 from concrete: still high, but "carbonation of cement products represents a substantial carbon sink not considered…
CO2 from concrete: still high, but "carbonation of cement products represents a substantial carbon sink not considered in emissions inventories: offsets 43% of CO2 from production of cement over same period, excl fossil use during cement production" https:
@SofiePelsmakers Google is your friend: https://t.co/cxURBHsA25
@henna_helander #kestävärakentaminen ei ratkea materiaalisubstituutiolla, koska rakennuksen päästövaikutukset eivät ole yhtäkuin rakennusosien valmistuksen päästöt. Myös #betoni sitoo hiiltä käytön aikana #karbonatisoituminen. Ohessa kv-tutkimustietoa http
@Peters_Glen @jloistf See our previous paper on global carbon uptake by cement https://t.co/vg8YnWTCfW, cement recycling, end of life treatment and expanding cement lifetime could be new way to reduce carbon emissions from cement.
@ZDF Konstruktive Kritik: Es gibt auch Studien, die besagen, dass 43% des bei der Produktion ausgestoßenen CO2s hinther durch den Zement wieder aufgenommen wird. Die Wissenschaftler sprechen von einem Effekt, dem man "bisher wenig Beachtung geschenkt hat":
@AnttiVauhkonen @pajalanpaja Päin vastoin #betoni karbonatisoitumisen johdosta nykykaupungit sitovat tutkitustu yli miljoona tonnia #CO2 vuodessa https://t.co/UsTOPVd7X2
@AnttiJaarni @NikulaJussi @TiirolaMikko @MaasTul @WWFSuomi Tutkipa betonin karbonatisoitumista. Kv-tutkimusten mukaan nykykaupungit merkittäviä hiilinieluja https://t.co/GHQLPr8h1w
Substantial global carbon uptake by cement carbonation https://t.co/O9RcqtT0uu
RT @ClimateOfGavin: This is interesting: Old cement uptake of airborne CO2 reduces net effect of cement production by ~40%. https://t.co/qA…
oh please ....bit like Hitler feeding jews the line: 'gas can be v good for you' >> https://t.co/mFJ4b0Jz58
RT @ClimateOfGavin: This is interesting: Old cement uptake of airborne CO2 reduces net effect of cement production by ~40%. https://t.co/qA…
RT @ajauer: Can #concrete become #carbon negative? Substantial global carbon uptake by cement carbonation https://t.co/9sfcdK640B #climate…
RT @ajauer: Can #concrete become #carbon negative? Substantial global carbon uptake by cement carbonation https://t.co/9sfcdK640B #climate…
Substantial global carbon uptake by cement carbonation https://t.co/fgbZdIRKpP
RT @SteveDavisUCI: Our new paper (and my photo) on the cover of @NatureGeosci: https://t.co/l1isCP4nE3 https://t.co/E0twdXhpAr
Interesting paper on "Substantial global carbon uptake by cement carbonation" published in Nature Geoscience: https://t.co/VlGYgI0hG5
An anthropogenic piece of the carbon cycle and weathering reactions. https://t.co/3cJnlE8ROd
RT @SteveDavisUCI: Our new paper (and my photo) on the cover of @NatureGeosci: https://t.co/l1isCP4nE3 https://t.co/E0twdXhpAr
RT @NatureGeosci: Xi et al found much of the carbon produced during cement manufacturing is taken up by its weathering https://t.co/Tul1rcD…
RT @NatureGeosci: Xi et al found much of the carbon produced during cement manufacturing is taken up by its weathering https://t.co/Tul1rcD…
RT @NatureGeosci: Xi et al found much of the carbon produced during cement manufacturing is taken up by its weathering https://t.co/Tul1rcD…
Weathering of concrete offsets about 43% of CO2 emitted during cement production- estimate 1930-2013 https://t.co/sjRzrio7LP
RT @NatureGeosci: Xi et al found much of the carbon produced during cement manufacturing is taken up by its weathering https://t.co/Tul1rcD…
Interested in #cement in #Virginia? https://t.co/tMKVkeBvPu https://t.co/CxbPlt0I9D
Interesting data on a primary greenhouse gas source ... https://t.co/desfAF6vr1