Polylactide (PLA) is both bio‐based and biodegradable has therefore attracted increased attention for single-use plastics applications. Under the context of recent EU Plastics Bioeconomy strategies, this study uses life cycle assessment (LCA) to assess environmental footprint drinking cups made from PLA, including 13 impact categories. Land use changes (LUCs) were assessed based on a deterministic model. The manufacturing phase was modeled primary production data stemming directly industry....

Used cooking oil (UCO) has received much attention as feedstock for the production of renewable fuels and bio-based materials. This study aims to assess environmental impact UCO-based polypropylene (PP) by a cradle-to-factory gate Life-Cycle Assessment (LCA). 16 categories were assessed. The results interpreted with normalization weighting steps. For several multi-output processes, different allocation procedures scrutinized. On normalized weighted basis, impacts PP are dominated climate...

This article presents a life cycle assessment of bio-based polyethylene terephthalate (PET) bottles with cradle to grave scope and provides comparison petrochemical PET for 13 environmental impact categories. Besides the baseline bottles, which are produced from Brazilian sugarcane reflecting status-quo, two alternative hypothetical product systems were considered: European wheat straw crops market mix composed maize, sugar beet. The land-use change (LUC) impacts assessed based on...

In recent years, a great deal of attention has been focused on the environmental impact plastics, including carbon emissions related to which promoted application biodegradable plastics. Countries worldwide have shown high interest in replacing traditional plastics with However, no systematic comparison conducted versus plastic products. This study evaluates and products (BPPs) over four stages briefly discusses economic perspectives. Four scenarios—namely, method, chemical recycling,...

Growing demand for air travel and limited scalable solutions pose significant challenges to the mitigation of aviation's climate change impact. Direct capture (DAC) may gain prominence due its versatile applications either carbon removal (direct storage, DACCS) or synthetic fuel production utilization, DACCU). Through a comprehensive time-dynamic techno-economic assessment, we explore conditions fuels from DACCU become cost-competitive with an emit-and-remove strategy based on DACCS under 2050 CO

OPINION article Front. Sustain., 01 March 2022 | https://doi.org/10.3389/frsus.2022.778100

This study analyzes the technical performance, costs and life-cycle greenhouse gas (GHG) emissions of production various fuels using air-captured water CO2, concentrated solar energy as source high-temperature process heat. The thermochemical fuel pathway utilizes a ceria-based redox cycle for splitting CO2 to syngas - tailored mixture H2 CO which in turn is further converted liquid hydrocarbon fuels. driven by heat supplemented thermal storage round-the-clock continuous operation. examines...

The transition to a net-zero economy with increased electrification of transport and heating poses electricity supply challenges during the winter months, particularly in PV-dominated systems. This study explores comprehensively various strategies their combinations address potential deficits Switzerland. Our innovative modelling integrates three sectors (electricity, heat, transport), neighbouring countries, environmental life cycle considerations. Among mitigate Swiss deficit, imports from...

Alternative fuel policies need accurate and transparent methods to find the embedded carbon intensity of individual refinery products. This study investigates different ways allocating greenhouse gases emissions deriving from refining upstream crude oil supply. Allocation based on mass, energy content, economic value and, innovatively, added-value, are compared with marginal calculated by CONCAWE's linear-programming model average EU refinery, which has been adopted as reference in...

Abstract The efficient use of lignocellulosic biomass for the production advanced fuels and bio‐based materials has become increasingly relevant. In EU, regulatory developments are stimulating mobilization chemicals / biofuels from biomass. We used an attributional life‐cycle assessment approach based on region‐specific characteristics to determine greenhouse gas emissions (GHG) performance different supply‐chain configurations with internationally sourced (stem wood, forest residues,...

The standard ISO 14044:2006 defines the hierarchical steps to follow when solving multifunctionality issues in life cycle assessment (LCA). However, practical implementation of such a hierarchy has been debated for twenty-five years leading different practices from LCA practitioners. first part this study discussed main where implemented differently and explored current peer-reviewed studies. A text-mining process was applied quantitatively assess 532 multifunctional case studies found...

In the last decade, lignin has received much attention as a feedstock to produce bio-based products. This study investigates potential benefits of using mitigate environmental impact road construction sector. An life cycle assessment (LCA) various top-layer asphalts kraft was conducted. From cradle-to-grave perspective, lignin-based were compared with conventional asphalts. The results LCA revealed that climate change could be 30–75% lower than For other ten categories, trade-offs observed....

The production of bio-based asphalt utilizing lignin from amongst others local biorefineries is currently under development in the Netherlands. In this study, life cycle assessment (LCA) methodology was applied to investigate environmental implications replacing conventional asphalts with lignin-based asphalts. Inventory data for were collected two Dutch biorefining industries (Avantium and Vertoro). Eleven impact categories considered, along a single-score cost indicator. For comparative...

This study investigates the cost and climate change mitigation potentials of fuels chemicals from CO2 low-carbon hydrogen produced in four sites with favorable conditions for renewable energy generation, located Iceland, The Netherlands, Spain, Chile. We investigate eight different chemicals, i.e., Fischer–Tropsch fuels, methanol, methane, dimethyl ether, ammonia, urea, olefins, aromatics, considering two temporal horizons, near future (by 2035) long-term (post-2035). For production, we...

<title>Abstract</title> Decarbonizing road transport is crucial for global climate goals, especially in developing countries with rising motorization. This study assesses the economic cost and lifecycle greenhouse gas (GHG) emissions of low-carbon passenger Africa. Using Monte Carlo optimization models, we compare total ownership GHG battery-electric vehicles (BEV) powered by solar off-grid (SOG) systems synthetic fuel-fueled to that fossil-fueled ones, neglecting policy-induced distortions...

Rolliniamucosa (Annonaceae), known in primitive medical practices of Indonesia and the West Indies as a treatment for tumors, has been investigated employing seeds from South American variety murine P388 lymphocytic leukemia (PS) bioassay. The principal antineoplastic constituent (PS, 28% life extension, at 0.25 mg/kg ED 50 4.5 × 10 −5 μg/mL) was found to be new bis-tetrahydrofuran designated rolliniastatin 1. Structural elucidation 1 accomplished by combination high resolution nuclear...

This research assesses the well-to-tank (WTT) greenhouse gas (GHG) emissions and economic performance of an innovative bio-jet fuel via acetone-butanol-ethanol (ABE) fermentation. Dutch potato by-products from food processing industry sugar beets are explored as potential feedstocks. Four product systems differentiated by feedstocks, logistics centralized/decentralized fermenters investigated. For both it is found that a centralized large-scale fermentation preferable to decentralized...

To mitigate the climate change impact of aviation, jet fuels from bio-based by-products are considered a promising alternative to conventional fuels. Life cycle assessment (LCA) is commonly applied tool determine environmental impacts bio-jet This article presents both attributional and consequential LCA models assess an innovative fuel produced potato in Netherlands. The two led opposite conclusions regarding overall performance this fuel. showed that could offer about 60% GHG emissions...

Abstract Direct air capture (DAC) is increasingly recognized as a necessary puzzle piece to achieve the Paris climate targets. However, current high cost and energy intensity of DAC act barrier. Short-term strategies for initial deployment, technology improvement, reduction are needed enable large-scale deployment. We assess compare two near-term pathways leading same installed capacity thus yielding reductions: its combination with CO 2 storage direct carbon storage, or deployment...

A new aminosteroid, 3beta-amino-22,26-epiminocholest-5-ene named sarachine (1), and two known flavonoids, eriodictyol (2) 7-O-beta-D-glucopyranosyl-eriodictyol (3), were isolated from the leaves of Saracha punctata. The alkaloid was found to inhibit growth Leishmania braziliensis promastigotes (100% at 25 microM) Trypanosoma cruzi epimastigotes in culture (50% showed a strong vitro antiplasmodial activity with an IC50 nM.