|Valorization of biomass waste to engineered activated biochar by microwave pyrolysis: Progress, challenges, and future directions|
SY Foong, RK Liew, Y Yang, YW Cheng, PNY Yek, WAW Mahari, XY Lee, ...
Chemical Engineering Journal 389, 124401, 2020
|Oil palm waste: An abundant and promising feedstock for microwave pyrolysis conversion into good quality biochar with potential multi-applications|
RK Liew, WL Nam, MY Chong, XY Phang, MH Su, PNY Yek, NL Ma, ...
Process Safety and Environmental Protection 115, 57-69, 2018
|Microwave-assisted pyrolysis with chemical activation, an innovative method to convert orange peel into activated carbon with improved properties as dye adsorbent|
SS Lam, RK Liew, YM Wong, PNY Yek, NL Ma, CL Lee, HA Chase
Journal of cleaner production 162, 1376-1387, 2017
|Microwave pyrolysis with KOH/NaOH mixture activation: a new approach to produce micro-mesoporous activated carbon for textile dye adsorption|
RK Liew, E Azwar, PNY Yek, XY Lim, CK Cheng, JH Ng, A Jusoh, ...
Bioresource technology 266, 1-10, 2018
|Progress in microwave pyrolysis conversion of agricultural waste to value-added biofuels: a batch to continuous approach|
S Ge, PNY Yek, YW Cheng, C Xia, WAW Mahari, RK Liew, W Peng, ...
Renewable and Sustainable Energy Reviews 135, 110148, 2021
|Engineered biochar via microwave CO2 and steam pyrolysis to treat carcinogenic Congo red dye|
PNY Yek, W Peng, CC Wong, RK Liew, YL Ho, WAW Mahari, E Azwar, ...
Journal of hazardous materials 395, 122636, 2020
|Microwave steam activation, an innovative pyrolysis approach to convert waste palm shell into highly microporous activated carbon|
PNY Yek, RK Liew, MS Osman, CL Lee, JH Chuah, YK Park, SS Lam
Journal of environmental management 236, 245-253, 2019
|Innovative production of highly porous carbon for industrial effluent remediation via microwave vacuum pyrolysis plus sodium-potassium hydroxide mixture activation|
RK Liew, C Chai, PNY Yek, XY Phang, MY Chong, WL Nam, MH Su, ...
Journal of cleaner production 208, 1436-1445, 2019
|Production of value-added liquid fuel via microwave co-pyrolysis of used frying oil and plastic waste|
WAW Mahari, CT Chong, CK Cheng, CL Lee, K Hendrata, PNY Yek, ...
Energy 162, 309-317, 2018
|Vacuum pyrolysis incorporating microwave heating and base mixture modification: an integrated approach to transform biowaste into eco-friendly bioenergy products|
S Ge, SY Foong, NL Ma, RK Liew, WAW Mahari, C Xia, PNY Yek, W Peng, ...
Renewable and Sustainable Energy Reviews 127, 109871, 2020
|Engineering pyrolysis biochar via single-step microwave steam activation for hazardous landfill leachate treatment|
SS Lam, PNY Yek, YS Ok, CC Chong, RK Liew, DCW Tsang, YK Park, ...
Journal of hazardous materials 390, 121649, 2020
|Gasification of refuse-derived fuel from municipal solid waste for energy production: a review|
Y Yang, RK Liew, AM Tamothran, SY Foong, PNY Yek, PW Chia, ...
Environmental chemistry letters 19, 2127-2140, 2021
|Co-processing of oil palm waste and waste oil via microwave co-torrefaction: a waste reduction approach for producing solid fuel product with improved properties|
SS Lam, YF Tsang, PNY Yek, RK Liew, MS Osman, W Peng, WH Lee, ...
Process Safety and Environmental Protection 128, 30-35, 2019
|Microwave pyrolysis with steam activation in producing activated carbon for removal of herbicides in agricultural surface water|
SS Lam, MH Su, WL Nam, DS Thoo, CM Ng, RK Liew, PN Yuh Yek, ...
Industrial & Engineering Chemistry Research 58 (2), 695-703, 2018
|Self‐purging microwave pyrolysis: an innovative approach to convert oil palm shell into carbon‐rich biochar for methylene blue adsorption|
SH Kong, SS Lam, PNY Yek, RK Liew, NL Ma, MS Osman, CC Wong
Journal of Chemical Technology & Biotechnology 94 (5), 1397-1405, 2019
|Simultaneous removal of toxic ammonia and lettuce cultivation in aquaponic system using microwave pyrolysis biochar|
MH Su, E Azwar, YF Yang, C Sonne, PNY Yek, RK Liew, CK Cheng, ...
Journal of hazardous materials 396, 122610, 2020
|Microwave vacuum pyrolysis conversion of waste mushroom substrate into biochar for use as growth medium in mushroom cultivation|
SS Lam, XY Lee, WL Nam, XY Phang, RK Liew, PNY Yek, YL Ho, NL Ma, ...
Journal of Chemical Technology & Biotechnology 94 (5), 1406-1415, 2019
|Applying microwave vacuum pyrolysis to design moisture retention and pH neutralizing palm kernel shell biochar for mushroom production|
WAW Mahari, WL Nam, C Sonne, W Peng, XY Phang, RK Liew, PNY Yek, ...
Bioresource technology 312, 123572, 2020
|A state-of-the-art review on producing engineered biochar from shellfish waste and its application in aquaculture wastewater treatment|
WAW Mahari, K Waiho, E Azwar, H Fazhan, W Peng, SD Ishak, ...
Chemosphere 288, 132559, 2022
|Progress in the torrefaction technology for upgrading oil palm wastes to energy-dense biochar: A review|
PNY Yek, YW Cheng, RK Liew, WAW Mahari, HC Ong, WH Chen, ...
Renewable and Sustainable Energy Reviews 151, 111645, 2021