Results 41 to 50 of about 197,727 (302)

Production, composition, and application of coffee and its industrial residues [PDF]

open access: yes, 2011
Coffee is one of the most consumed beverages in the world and is the second largest traded commodity after petroleum. Due to the great demand of this product, large amounts of residues are generated in the coffee industry, which are toxic and represent ...
Machado, Ercília M. S.   +3 more
core   +1 more source

Supercritical Carbon Dioxide in Presence of Water for the Valorization of Spent Coffee Grounds: Optimization by Response Surface Methodology and Investigation of Caffeine Extraction Mechanism

open access: yesFoods, 2022
Spent coffee grounds are a promising bioresource that naturally contain around 50 wt% moisture which requires, for a valorization, a drying step of high energy and economic costs.
Alexandre Vandeponseele   +5 more
doaj   +1 more source

Properties of dune sand concrete containing coffee waste

open access: yesMATEC Web of Conferences, 2018
In the last years, an increase of coffee beverages consumption has been observed all over the world; and its consumption increases the waste coffee grounds which will become an environmental problems. Recycling of this waste to produce new materials like
Mohamed Guendouz, Djamila Boukhelkhal
doaj   +2 more sources

Performance Optimisation of Fuel Pellets Comprising Pepper Stem and Coffee Grounds through Mixing Ratios and Torrefaction

open access: yesEnergies, 2021
Agricultural by-products have several disadvantages as fuel, such as low calorific values and high ash contents. To address these disadvantages, this study examined the mixing of agricultural by-products and spent coffee grounds, for use as a solid fuel,
Sunyong Park   +7 more
doaj   +1 more source

Sugars metabolism and ethanol production by different yeast strains from coffee industry wastes hydrolysates [PDF]

open access: yes, 2012
Significant amounts of wastes are generated by the coffee industry, among of which, coffee silverskin (CS) and spent coffee grounds (SCG) are the most abundantly generated during the beans roasting and instant coffee preparation, respectively. This study
Carneiro, Lívia M.   +3 more
core   +1 more source

Spent Coffee Grounds for Energy Generation

open access: yesRevista Interdisciplinar de Pesquisa em Engenharia, 2022
Em face da necessidade do desenvolvimento de novas tecnologias para geração de energia, têm surgido propostas que visam a adoção de biomassas alternativas para tal finalidade. No presente trabalho, é proposta a utilização da borra de café, um rejeito urbano doméstico geralmente descartado, para produção de biocombustíveis e geração de energia. Uma rota
Klusener, Arthur da Silva   +6 more
openaire   +1 more source

A case study on bio-oil extraction from spent coffee grounds using fast pyrolysis in a fluidized bed reactor

open access: yesCase Studies in Chemical and Environmental Engineering, 2023
The increasing utilization of non-renewable energy resources contributes to the rise in greenhouse gas emissions, leading to a growing focus on renewable resources as viable alternatives for energy production.
Maryam Nooman AlMallahi   +6 more
doaj   +1 more source

Polyphenols and Energy Recovery from Spent Coffee Grounds

open access: yesChemical Engineering Transactions, 2011
Abstract preview not available - see full-text PDF article.
ZUORRO, ANTONIO, LAVECCHIA, Roberto
openaire   +2 more sources

Optimization of autohydrolysis conditions to extract antioxidant phenolic compounds from spent coffee grounds [PDF]

open access: yes, 2017
Autohydrolysis, which is an eco-friendly technology that employs only water as extraction solvent, was used to extract antioxidant phenolic compounds from spent coffee grounds (SCG).
Ballesteros, Lina F.   +4 more
core   +1 more source

AASLD practice guidance on drug, herbal, and dietary supplement–induced liver injury

open access: yes, 2022
Hepatology, EarlyView.
Robert J. Fontana   +6 more
wiley   +1 more source

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