Publikasi Prof. Dr. Ir. Renita Manurung, M.t. | Fakultas Teknik Universitas Sumatera Utara

Synthesis and characterization of silica–potassium adsorbent by palm oil boiler ash for enhanced carbon dioxide adsorption

RENITA MANURUNG , DR.TASLIM, IR, MSC , OKTA BANI , SRI ZAHRANI DWI MAULIYAH PARINDURI , Norhayati Abdullah

Waste-derived and functionalized silica catalysts for low-carbon biodiesel production: A systematic review of performance, reusability, and circular-economy potential

RENITA MANURUNG , SRI ZAHRANI DWI MAULIYAH PARINDURI , ALWI GERY AGUSTAN SIREGAR

Synthesis and characterization of nano-CaO/activated carbon green catalysts: A comparative analysis with silica-impregnated catalysts for palm oil biodiesel production

DR.TASLIM, IR, MSC , SRI ZAHRANI DWI MAULIYAH PARINDURI , OKTA BANI , RENITA MANURUNG

Optimized Lithium-Impregnated Silica Catalyst from Corn Cob Waste for Enhanced Biodiesel Production: StructuralTuning and Circular Economy Application

ALWI GERY AGUSTAN SIREGAR , RENITA MANURUNG , SRI ZAHRANI DWI MAULIYAH PARINDURI

Optimized Lithium-Impregnated Silica Catalyst from Corn Cob Waste for Enhanced Biodiesel Production: StructuralTuning and Circular Economy Application

ALWI GERY AGUSTAN SIREGAR , RENITA MANURUNG , SRI ZAHRANI DWI MAULIYAH PARINDURI

Ultrasound-assisted extraction of pomegranate peel pectin: Influence of process parameters and solvent choice

RENITA MANURUNG , NADIATUL MUFIDAH LUBIS , BOBY HARTANTO

Design of microwave pyrolysis tool for coffee grounds and plastic waste into fuel

DR IRIANY, IR,MSC , RENITA MANURUNG , HAMIDAH HARAHAP , WAN RIZKI ANSARI

Extraction of carotene from crude palm oil (CPO) using DES thymol - lauric acid as a potential green solvents

RENITA MANURUNG , EVI NARIA , ILMI , ALWI GERY AGUSTAN SIREGAR

Optimization of mono-diacylglycerol (M-DAG) synthesis with deep eutectic solvent (DES) catalyst using response surface methodology

DR IRIANY, IR,MSC , RENITA MANURUNG , DWINA RAHMAYANI HASIBUAN

Investigate biodiesel products using heterogeneous catalysts in variations lauric acid feedstock through elemental analysis and emissions testing using diesel engines

DR.TASLIM, IR, MSC , RENITA MANURUNG , DR IRIANY, IR,MSC , ANGGARA DWITA BURMANA

Transesterification reaction of palm oil catalyzed by nano- CaO/SiO2 derived from waste chicken eggshell and palm oil mill boiler ash

RENITA MANURUNG , ALWI GERY AGUSTAN SIREGAR , SRI ZAHRANI DWI MAULIYAH PARINDURI

Pretreatment of waste cooking oil through esterification using bronsted acid catalyst to meet biodiesel feedstock requirements

FITRI ROWIYAH RAMBE , DR.TASLIM, IR, MSC , RENITA MANURUNG , DR IRIANY, IR,MSC , OKTA BANI

The impact of impregnation temperature on the properties of nano-CaO catalysts with a silica matrix derived from chicken eggshell waste and palm oil boiler ash in the production of palm biodiesel

RENITA MANURUNG , AYUNI YUSTIRA , NURUL ATIKAH , SRI ZAHRANI DWI MAULIYAH PARINDURI

Extraction of essential oil from red ginger (Zingiber officinale var rubrum) by solvent-free microwave extraction method

ALWI GERY AGUSTAN SIREGAR , RENITA MANURUNG

Catalyst reuse in biomass-based Biodiesel: Life cycle and economic implications for a circular bioenergy economy

Barbara Ernst , Abdulaziz Sami Bentalib , Yacine Benguerba , ANGGARA DWITA BURMANA , DR IRIANY, IR,MSC , AFFILA , RENITA MANURUNG

Life cycle assessment of reusing by-products from esterification reaction: Through the acidification process

RENITA MANURUNG , MAYA SARAH , DR IRIANY, IR,MSC , ANGGARA DWITA BURMANA , RONDANG TAMBUN

Carbon footprint of biodiesel production using waste cooking oil: Performance and analysis through amberlite HPR 9000 SO4 as catalyst

RENITA MANURUNG , AFFILA , RONDANG TAMBUN , ANGGARA DWITA BURMANA , AGA NUGRAHA , ASRI MUNAWAR

Catalyst reuse in biomass-based Biodiesel: Life cycle and economic implications for a circular bioenergy economy

RENITA MANURUNG , AFFILA

Production of liquid fuels from co-pyrolysis of high-density polyethylene (HDPE) and spent coffee grounds: Comparison of microwave energy and liquified petroleum gas as heat source on the fuel properties

RENITA MANURUNG , DR IRIANY, IR,MSC , HAMIDAH HARAHAP , WAN RIZKI ANSARI

Sustainable production of CaO rich-indigofera (Indigofera zollingeriana) as heterogeneous catalyst of biodiesel from refined bleached deodorized palm olein using associated transesterification process

DR.TASLIM, IR, MSC , RENITA MANURUNG , DR IRIANY, IR,MSC , SILVIA NOVA , VIKRAM ALEXANDER , ANGGARA DWITA BURMANA

Application of choline chloride-based deep eutectic solvent (DES) as catalyst for glycerolysis of palm fatty acid distillate (PFAD) and glycerol

ALWI GERY AGUSTAN SIREGAR , RENITA MANURUNG , DR IRIANY, IR,MSC , DWINA RAHMAYANI HASIBUAN

Utilizing a Deep Eutectic Solvent in carotene extraction technology with Palm Methyl Ester oil to advance green technology

EVI NARIA , ALWI GERY AGUSTAN SIREGAR , RENITA MANURUNG , ILMI

Physical Characteristics of Biodegradable Pots From Empty Fruit Bunches (EFB) and Sawdust Waste as Planting Media

HAMIDAH HARAHAP , HALIMATUDDAHLIANA , RENITA MANURUNG , AYUNI YUSTIRA , Azura A Rashid

Development of Green Polybag Innovation Products from Biomass Waste as Planting Media

HAMIDAH HARAHAP , HALIMATUDDAHLIANA , RENITA MANURUNG , Azura A Rashid , AYUNI YUSTIRA

Extraction of tannin from guava leaves (Psidium Guajava L) by soxhletation method and application as iron corrosion inhibitor in sea water medium

RENITA MANURUNG , YUSUF BIMANTORO SIMANUNGKALIT , FITHRAH AMELIA

Effect of reaction temperature on biodiesel production from refined bleached and deodorized palm olein using heterogeneous catalyst from indigofera (Indigofera zollingeriana) leaves ash

DR.TASLIM, IR, MSC , RENITA MANURUNG , SILVIA NOVA , VIKRAM ALEXANDER , ANGGARA DWITA BURMANA , Erlan Rosyadi

Effect of solid base catalyst based silica from palm leaves in biodiesel production

RENITA MANURUNG , ROSDANELLI HASIBUAN

Effect of solid base catalyst based silica from palm leaves in biodiesel production

ALWI GERY AGUSTAN SIREGAR , RENITA MANURUNG , ROSDANELLI HASIBUAN

Reactivated Spent Bleaching Earth as a New Path in Waste Resource Utilization for the Crude Palm Oil Bleaching Process

RENITA MANURUNG , HAMIDAH HARAHAP , SRI ZAHRANI DWI MAULIYAH PARINDURI , SITI MAISARAH , ANDRE PRANATA

THE POTENTIAL OF CATALYST BASED ON PALM LEAVES IN BIODIESEL PRODUCTION AS PART OF PALM OIL LIFE CYCLE ASSESMENT

RENITA MANURUNG

THE POTENTIAL OF CATALYST BASED ON PALM LEAVES IN BIODIESEL PRODUCTION AS PART OF PALM OIL LIFE CYCLE ASSESMENT

ALWI GERY AGUSTAN SIREGAR , RENITA MANURUNG , RONDANG TAMBUN , HAMIDAH HARAHAP

The Effect of Contact Time and Microwave Power on Spent Bleaching Earth Desorption Using Microwave-Assisted Extraction Method

SITI MAISARAH , HAMIDAH HARAHAP , RENITA MANURUNG

Preparation and characterization of lithium, sodium, and potassium silicate from palm leaf as a potential solid base catalyst in developed biodiesel production

RENITA MANURUNG , ROSDANELLI HASIBUAN

Application of Sodium Silicate from Palm Leaf Ash as Heterogeneous Catalyst in Transesterification of Palm Oil

RENITA MANURUNG , HAMIDAH HARAHAP , RONDANG TAMBUN , RURI RIZKI SYAHPUTRI ZUHRI

Application of Sodium Silicate from Palm Leaf Ash as Heterogeneous Catalyst in Transesterification of Palm Oil

RENITA MANURUNG

Production of biosurfactant sodium lignosulfonate (NaLS) using elephant grass based lignin (Pennisetum purpureum) and NaHSO3

SYAHRA KHAIRANI LUBIS , WAFI MUFADHAL , RENITA MANURUNG

Effect of solvent type on extraction oil from spent bleaching earth using microwave-assisted extraction

DR.TASLIM, IR, MSC , RENITA MANURUNG

Preparation and characterization of lithium, sodium, and potassium silicate from palm leaf as a potential solid base catalyst in developed biodiesel production

ROSDANELLI HASIBUAN , RENITA MANURUNG

Synthesis of nano-CaO catalyst with SiO2 matrix based on palm shell ash as catalyst support for one cycle developed in the palm biodiesel process

RENITA MANURUNG , ROSDANELLI HASIBUAN , BODE HARYANTO

Drying Kinetic Models of Rice Applying Fluidized Bed Dryer

RENITA MANURUNG , ROSDANELLI HASIBUAN

Comparison of microwave assisted extraction and ultrasound assisted extraction on recovery of residual palm oil from spent bleaching earth

OKTA BANI , RENITA MANURUNG , DR IRIANY, IR,MSC , DR.TASLIM, IR, MSC

Utilization of Conventional Battery Framework with Bioelectrolyte Based on Blood Shell and Sugarcane Bagasse

RENITA MANURUNG

ESTERIFICATION OF REFINED GLYCEROL BIODIESEL BYPRODUCT USING HETEROGENEOUS CATALYST POLYSTYRENE SULFONIC ACID WASTE-BASED EPS FOAM

RENITA MANURUNG

SYNTHESIS, CHARACTERIZATION, AND APPLICATION OF ZNO/ZSM-5 AS CATALYST IN THE CRACKING PROCESS OF PALM METHYL ESTERS

RONDANG TAMBUN , RENITA MANURUNG , DR.TASLIM, IR, MSC , IRVAN

Synthesis and Characterization of Phosphoric Silica Catalyst from Bamboo Leaves for Production of Triacetin

RENITA MANURUNG

Synthesis and Characterization of Polystyrene Sulfonic Acid from Expanded Polystyrene Foam as a Catalyst in the Synthesis of Triacetin

RENITA MANURUNG

Usage of eutectic solvents throughout the dehydration reaction of durian seeds (Durio zibethinus) in producing 5-hydroxymethylfurfural

RENITA MANURUNG

Menthol-carboxylic acid deep eutectic solvent for extraction of carotenoids from palm ester

RENITA MANURUNG

Synthesis of 5-hydroxymethylfurfural from cassava (Manihot utilissima pohl) peels through dehydration reaction using deep eutectic solvent based on choline chloride/citric acid

RENITA MANURUNG

Synthesis and characterization of sodium silicate produced from corncobs as a heterogeneous catalyst in biodiesel production

RENITA MANURUNG

Production of 5-hydroxymethylfurfural derived cassava peels using deep eutectic solvent based Choline chloride

RENITA MANURUNG

Measurement of anti-stripping agent content in asphalt mixture with Colorimetric test

ADINA SARI LUBIS , RENITA MANURUNG , ZULKARNAIN A MUIS

Minor component extraction from palm methyl ester using potassium carbonate glycerol based Deep Eutectic Solvent (DES).

RENITA MANURUNG

Crude palm oil biodiesel by transesterification process using choline hydroxide catalyst.

RENITA MANURUNG