Karla Perez

Ms. Karla Perez

orcid

Research Focus & Metrics

Academic Career Length

2Years (2025-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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15 October 2025 in Processes
Verified
Journal Article
Open access
PDF file
MQMichelle Quilaqueo
Michelle Quilaqueo
NBNicolás Barraza
Nicolás Barraza
LBLorena Barros
Lorena Barros
KPKarla Perez
Karla Perez
RRRene Ruby-Figueroa
Rene Ruby-Figueroa
HEHumberto Estay
Humberto Estay
The recovery of copper from metallurgical effluents is critical for advancing sustainable mining and circular economy practices. This study evaluated a hybrid process combining copper sulfide precipitation with clarification using polymeric polyvinylidene fluoride (PVDF) microfiltration membranes. Laboratory-scale experiments were performed under controlled cyanide conditions (100 mg/L free CN−, 1800 mg/L Cu2+), focusing on permeate flux behavior, fouling mechanisms, and cleaning strategies. Optimal performance was achieved at moderate transmembrane pressures (100%), albeit with potential risks of membrane aging under prolonged exposure. A techno-economic assessment comparing polymeric and ceramic membranes revealed similar capital and operational costs, with polymeric membranes offering slight reductions in CAPEX (10%) and OPEX (2.3%). Overall, the findings demonstrate the technical feasibility and economic competitiveness of polymeric membranes for copper sulfide clarification, while emphasizing the need to improve long-term chemical resistance to ensure reliable industrial-scale implementation.


7 February 2026 in Journal of Food Engineering
Verified
Journal Article
Closed access
CBCarolina Quezada Barcenas
Carolina Quezada Barcenas
AAAndrés Arrué
Andrés Arrué
CMCamila Mella
Camila Mella
KPKarla Perez
Karla Perez
RZRommy N. Zúñiga
Rommy N. Zúñiga
Elizabeth TroncosoElizabeth Troncoso
Elizabeth Troncoso

18 September 2026 in Journal of Food Engineering
Verified
Journal Article
Closed access
CBCarolina Quezada Barcenas
Carolina Quezada Barcenas
KPKarla Perez
Karla Perez
BGBruno González
Bruno González
HEHumberto Estay
Humberto Estay
Elizabeth TroncosoElizabeth Troncoso
Elizabeth Troncoso

19 May 2026 in Water Research
Verified
Journal Article
Closed access
GSGabriel Seriche
Gabriel Seriche
CBConstanza Bustamante
Constanza Bustamante
CGCarol González
Carol González
KPKarla Perez
Karla Perez
MQMichelle Quilaqueo
Michelle Quilaqueo
HEHumberto Estay
Humberto Estay