TY  - JOUR 
T1  - Valorization of spent coffee grounds using potassium hydroxide and concentrated leachate as activating agents in slow pyrolysis at 600°C: A comparative analysis of char properties
JO  - Engenharia Sanitaria e Ambiental
A1  - Almeida, Ronei de
A1  - Vianna, Marcelo Mendes
A1  - Lanero, Francesco
A1  - Lavagnolo, Maria Cristina
A1  - Sgarbossa, Paolo
A1  - Bertani, Roberta
A1  - Quintaes, Bianca Ramalho
A1  - Maia Bila, Daniele
A1  - Campos, Juacyara Carbonelli
SN  - 1413-4152
UL  - 10.1590/S1413-415220250056
VL  - 31 
Y1  - 2026
PB  - Brasil 
ER  -