Erni Misran

Extraction of high-purity silica from palm oil mill bottom ash via citric acid leaching coupled with ultrasonic irradiation

Erni Misran, Maya Sarah, Kelvin Hadinatan, Norazwina binti Zainol et autres

Bottom ash (BA) is a solid industrial waste generated in boiler units for energy production. Its high silica content makes BA a suitable precursor for silica extraction. This study aims to develop a BA silica extraction method by combining citric acid leaching …

id, my (code pays fourni par la source)

Sustainable microwave-assisted extraction of cinnamaldehyde-containing extract from cinnamon bark: Process selection, kinetic modelling, and environmental impact analysis

Risma Fazillah, Rosdanelli Hasibuan, Erni Misran, Aga Nugraha et autres

ABSTRACT The cinnamon ( Cinnamomum burmannii ) bark extract contains cinnamaldehyde, which has beneficial applications across various sectors. This extract can be obtained rapidly using microwave-assisted extraction (MAE), thereby improving yield while minimizing solvent use and extraction time. This study investigates the …

id, ru (code pays fourni par la source)

Structural properties, thermal stability, adsorption capacity, and energy characteristics of sugarcane bagasse-derived hydrochar from hydrothermal carbonization at acidic conditions

Erni Misran, Abdul Hadi, Maya Sarah, Okta Bani et autres

Preliminary Study of Silica Extraction from Bottom Ash under Ultrasonic Irradiation

Erni Misran, Maya Sarah, Kelvin Hadinatan, Norazwina binti Zainol et autres

Abstract The presence of industrial solid waste, such as bottom ash, has become a serious issue, as it has so far been stockpiled rather than optimally utilized. Bottom ash contains silica that can be extracted and converted into value-added products. This study …

id, my (code pays fourni par la source)

Experimental investigation of gambir (Uncaria gambir) leaves drying using flat-bed dryer powered by biomass pyrolysis reactor

Rosdanelli Hasibuan, Erni Misran, Dini Wahyuni, Viqry Pramananda et autres

ABSTRACT Gambir is one of the leading agricultural commodities of North Sumatra Province, Indonesia. One of the post-harvest processing steps for gambir leaves is drying. In this work, a flat-bed dryer (FBD) powered by a biomass pyrolysis reactor has been studied for …

id (code pays fourni par la source)

Preliminary study of sugarcane bagasse-derived hydrochar production in acidic condition

Erni Misran, Abdul Hadi, Maya Sarah, Okta Bani et autres

The effect of extraction time on betacyanin pigment content from red erpah leaves (Alternanthera dentata) extracted using ultrasound-assisted extraction

Afrina Nuratika Harahap, Erni Misran, T. (Taslim) Taslim

id (code pays fourni par la source)

Response surface methodology to optimize the yield of sugarcane bagasse-based hydrochar

Viqry Pramananda, Rosdanelli Hasibuan, Erni Misran

id (code pays fourni par la source)

Recirculated Process-Derived Liquid as an In-Situ Modifier for Fabricating Acidic Coffee Parchment Hydrochar as a Potential Biodiesel Catalyst

Raudah Raudah, Rosdanelli Hasibuan, Irvan Irvan, Erni Misran

One-step process of glycerol purification by adsorption using passion fruit peel-based activated carbon

Erni Misran, Bangkit Kali Syahputra Sipahutar, E Sundari, Viqry Pramananda

The purification of glycerol from biodiesel production is essential due to its high economic value. Previous studies have applied multi-step processes which significantly increase operating costs. In this study, a one-step process of glycerol purification was performed through adsorption using passion fruit …

id (code pays fourni par la source)

Ultrasonic-assisted adsorption of methylene blue using shrimp shells as a low-cost adsorbent: Evaluation on the adsorption isotherm, kinetics, and thermodynamics

Erni Misran, Wahyu Diski Pratama, Kanzi Insan Kasyidi Napitupulu, Muhammad Dani Supardan et autres

• Nano bioadsorbents from waste shrimp shells have been successfully synthesised. • Calcination step in nano bioadsorbent synthesis greatly affect the adsorbent characteristics. • Nano bioadsorbent from waste shrimp shells successfully remove methylene blue with %-removal up to 99 % with no …

id (code pays fourni par la source)

Characteristics of bio-briquettes from candlenut shells as a renewable energy: Selection of adhesive type, adhesive concentration, and biochar particle size

Rosdanelli Hasibuan, Juliza Hidayati, Erni Misran, Rosma Natalia Samosir et autres

The production and characterization of bio-briquettes from candlenut shells biochar were conducted, with an indepth investigation into the selection of adhesive type (starch, molasses, tar), adhesive concentration (10%, 20%, 30%), and biochar particle size (20 mesh, 40 mesh, 80 mesh) using the …

id (code pays fourni par la source)