The pelletization and torrefaction of coffee grounds, garden chaff and rapeseed straw

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27230%2F23%3A10252930" target="_blank" >RIV/61989100:27230/23:10252930 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27350/23:10252930 RIV/61989100:27730/23:10252930

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0960148123004640?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0960148123004640?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.renene.2023.04.016" target="_blank" >10.1016/j.renene.2023.04.016</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The pelletization and torrefaction of coffee grounds, garden chaff and rapeseed straw

Popis výsledku v původním jazyce

Waste biomass pelletization is a suitable process for obtaining energy dense solid fuel. If the pellets are further processed by torrefaction, both their qualitative and energy parameters are changed. Therefore, the objective of this study is to investigate the effect of the torrefaction process on pellets made from coffee grounds, garden chaff and rapeseed straw. Mechanical parameters, such as the pellet durability index, the wettability index of the pellets, their water moisture resistance, hardness, or specific and bulk density were determined for evaluation. Furthermore, pellet energy parameters such as the heat of combustion, calorific value, or elemental analysis were compared. Pelletization of the above-mentioned waste biomass and the torrefaction of the pellets were carried out in pilot plants. The first results showed that the torrefaction process for all samples increased the values of the heat of combustion or the values of the carbon content. The energy value of the pellets increases. The higher heating value of torrefied coffee ground pellets reached 26 MJ kgMINUS SIGN 1. The ash content also increases with these values. A simple energy balance has been carried out.

Název v anglickém jazyce

The pelletization and torrefaction of coffee grounds, garden chaff and rapeseed straw

Popis výsledku anglicky

Waste biomass pelletization is a suitable process for obtaining energy dense solid fuel. If the pellets are further processed by torrefaction, both their qualitative and energy parameters are changed. Therefore, the objective of this study is to investigate the effect of the torrefaction process on pellets made from coffee grounds, garden chaff and rapeseed straw. Mechanical parameters, such as the pellet durability index, the wettability index of the pellets, their water moisture resistance, hardness, or specific and bulk density were determined for evaluation. Furthermore, pellet energy parameters such as the heat of combustion, calorific value, or elemental analysis were compared. Pelletization of the above-mentioned waste biomass and the torrefaction of the pellets were carried out in pilot plants. The first results showed that the torrefaction process for all samples increased the values of the heat of combustion or the values of the carbon content. The energy value of the pellets increases. The higher heating value of torrefied coffee ground pellets reached 26 MJ kgMINUS SIGN 1. The ash content also increases with these values. A simple energy balance has been carried out.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20700 - Environmental engineering

Projekt

<a href="/cs/project/EF16_019%2F0000753" target="_blank" >EF16_019/0000753: Centrum výzkumu nízkouhlíkových energetických technologií</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Renewable Energy

ISSN

0960-1481

e-ISSN

1879-0682

Svazek periodika

210

Číslo periodika v rámci svazku

21 April

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

346-354

Kód UT WoS článku

000985813700001

EID výsledku v databázi Scopus

2-s2.0-85152940814