Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the Philippines

Carbon dioxide removal using negative emissions technologies will be needed to achieve net zero greenhouse gas emissions. Enhanced weathering is a negative emissions technology that relies on the acceleration of natural geochemical reactions between alkaline rocks or minerals with carbon dioxide and...

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Main Authors: Kathleen B. Aviso, Maria Victoria Migo-Sumagang, Czarina Alessandra Ramos, Raymond R. Tan
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2024-12-01
Series:Chemical Engineering Transactions
Online Access:https://www.cetjournal.it/index.php/cet/article/view/14997
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author Kathleen B. Aviso
Maria Victoria Migo-Sumagang
Czarina Alessandra Ramos
Raymond R. Tan
author_facet Kathleen B. Aviso
Maria Victoria Migo-Sumagang
Czarina Alessandra Ramos
Raymond R. Tan
author_sort Kathleen B. Aviso
collection DOAJ
description Carbon dioxide removal using negative emissions technologies will be needed to achieve net zero greenhouse gas emissions. Enhanced weathering is a negative emissions technology that relies on the acceleration of natural geochemical reactions between alkaline rocks or minerals with carbon dioxide and water. It results in the permanent sequestration of carbon as bicarbonate ions in runoff water. Under some conditions, this technique can also give secondary co-benefits, such as improving the suitability of acidic soil for agriculture. However, large-scale enhanced weathering will require ramping up the activity in the mining, transportation, and electricity generation sectors. In this work, the potential economic effects of large-scale basalt-enhanced weathering in the Philippines are estimated using input-output analysis. The results show that offsetting 20 % of the country's carbon dioxide emissions requires substantial direct increases in quarrying, land transport, and power generation, coupled with smaller changes in other sectors via indirect ripple effects.
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publisher AIDIC Servizi S.r.l.
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spelling doaj-art-477189dbfa1c41dab8aaedad41a31db82025-08-20T02:35:08ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162024-12-01114Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the PhilippinesKathleen B. AvisoMaria Victoria Migo-SumagangCzarina Alessandra RamosRaymond R. TanCarbon dioxide removal using negative emissions technologies will be needed to achieve net zero greenhouse gas emissions. Enhanced weathering is a negative emissions technology that relies on the acceleration of natural geochemical reactions between alkaline rocks or minerals with carbon dioxide and water. It results in the permanent sequestration of carbon as bicarbonate ions in runoff water. Under some conditions, this technique can also give secondary co-benefits, such as improving the suitability of acidic soil for agriculture. However, large-scale enhanced weathering will require ramping up the activity in the mining, transportation, and electricity generation sectors. In this work, the potential economic effects of large-scale basalt-enhanced weathering in the Philippines are estimated using input-output analysis. The results show that offsetting 20 % of the country's carbon dioxide emissions requires substantial direct increases in quarrying, land transport, and power generation, coupled with smaller changes in other sectors via indirect ripple effects.https://www.cetjournal.it/index.php/cet/article/view/14997
spellingShingle Kathleen B. Aviso
Maria Victoria Migo-Sumagang
Czarina Alessandra Ramos
Raymond R. Tan
Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the Philippines
Chemical Engineering Transactions
title Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the Philippines
title_full Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the Philippines
title_fullStr Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the Philippines
title_full_unstemmed Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the Philippines
title_short Economic Ripple Effects of Large-Scale Basalt Enhanced Weathering in the Philippines
title_sort economic ripple effects of large scale basalt enhanced weathering in the philippines
url https://www.cetjournal.it/index.php/cet/article/view/14997
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AT czarinaalessandraramos economicrippleeffectsoflargescalebasaltenhancedweatheringinthephilippines
AT raymondrtan economicrippleeffectsoflargescalebasaltenhancedweatheringinthephilippines