Misri Gozan

Misri Gozan
University of Indonesia | UI · Department of Chemical Engineering

Ph.D

About

184
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Publications

Publications (184)
Article
Full-text available
Transesterification is a principal chemical reaction that occurs in biodiesel production. We developed a novel biocatalytic membrane microreactor (BMM) for continuous transesterification by utilizing an asymmetric membrane as an enzyme-carrier for immobilization. The BMM was developed by pressure driven filtration of lipase from Pseudomonas fluores...
Article
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During the past decade, various promising technologies have been developed for the decontamination of groundwater insitu which do not require long-term pumping or high energy consumption. One approach is to use funnel and gate technology. In the case described here, the combination of adsorption of contaminants on granular activated carbon (GAC) an...
Article
Full-text available
Commercial mosquito repellents containssynthetic substances such as DEET (N, Ndiethyl-3-methylbenzamide), DEPA (N, N-diethyl phenylacetamide), permethrin, and deltamethrin as active component, which can be absorbed to human body and cause some systemic poisoning. This research studiesthe potential of tobacco leaves based repellent which is not only...
Article
Madura Island, Indonesia, which is dominated by lowlands, is closer to the equator and has a warmer and drier climate than its nearest neighbour, Java Island. Despite its aridity, agriculture is among the primary economic activities of its inhabitants. Hence, renewable solar and biomass energy are available to be harvested. The techno-economic and...
Article
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Contradictions have been reported on the effect of organic solvents, especially toluene, on enzymatic ring-opening polymerization (eROP) of L-lactide. Studies have shown that log P, a common measure of hydrophilicity, affects enzyme activity. This study examines the effect of solvents with various log P values on the eROP of L-lactide, performed us...
Conference Paper
Memory loss can occur in an older adult or even a younger age person. From our preliminary survey with 85 respondents, 91% of respondents ever experienced memory loss symptoms, and 63% have ever consumed memory-boosting products. This study examines a product development of a jelly drink for memory boosting, especially for youth and young adults us...
Conference Paper
The CRISPR-Cas system is a mechanism of bacterial immunity against viral infections, which is utilized as a genetic and diagnostic engineering tool. CRISPR-Cas Class 2 is part of the CRISPR-Cas system, which has a simple mechanism of action because it only requires one type of protein to edit DNA or RNA. In general, the Class 2 Cas protein used is...
Conference Paper
Oil Palm Empty Fruit Bunch (EFB) is the main solid waste from the palm oil processing industry. One of the main constituent polymers of Oil Palm EFB is lignin. Currently, lignin is used as wood adhesives. The antioxidant activity of lignin has received much attention recently because of the structure of the polyphenols possessed by lignin. Although...
Conference Paper
Tobacco has one of the largest plantation areas in Indonesia, especially for cigarette raw material. With Framework Convention on Tobacco Control coming in 2003 on a global scale and several government rules about cigarette control on a national scale, some works are needed to prevent the decrease of farmer’s earning. One of the things that can be...
Conference Paper
Plants, such as Peperomia pellucida L., contain Xanthine Oxidase Inhibitory (XOI) that help reduce gout symptoms due to their anti-inflammatory activity. This study examines the conceptual design development of a Peperomia pellucida-based herbal product plant for gout remedies. A survey was conducted to various age groups with 65 respondents, ident...
Article
As mentioned in several recent reviews, biomass-based furfural is attracting increasing interest as a feasible alternative for the synthesis of a wide range of non-petroleum-derived compounds. However, the lack of environmentally friendly, cost-effective, and sustainable industrial procedures is still evident. This review describes the chemical and...
Article
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Oil Palm Empty Brunches (OPEB) as lignocellulose can be hydrolyzed into various chemical compounds with high selling value, such as furfural. Furfural purification by liquid-liquid extraction (LLE) produced higher furfural yield compared to other methods. The solvent must have a high solute capability to achieve the LLE process with the highest fur...
Article
Tobacco leaf contains antibacterial secondary metabolite compounds, such as phenol, alkaloids, and essential oils. This study compares the potential antibacterial effects of Indonesian tobacco leaf extracted using the heat reflux method (producing an extract) and pyrolysis method (providing a bio-oil). The tobacco leaf extract was challenged agains...
Article
This study aimed to decompose lignin from oil palm midrib (OPF) bonds using the fungus Pleurotus ostreatus with various substrates (corn and rice husk). Lignin and cellulose levels before and after mushroom culture were tested by the Chesson-Datta method. Substrate variation with corn and husk rice showed that the addition of corn did not play a ro...
Article
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Sun protection agents from natural materials have a lower risk of side effects. This study evaluated the effect of lignosulfonate addition to increase the quality and SPF value of tengkawang butter. The sunscreen formulation is made with a mixture of tengkawang butter as the primary ingredient of sunscreen and lignosulfonate as a natural activating...
Chapter
Plant oils are rich in medium-chain triglycerides that can be utilized and converted to biobased chemicals by microorganisms. A wide variety of biobased chemical products can be biosynthesized due to the need to solve the global greenhouse effect and environmental problems. The importance of producing bioplastic by microorganisms has been received...
Chapter
Indonesia is currently the world's biggest palm oil producer with an estimation of about 25 billion liters of palm oil produced per year, followed by Malaysia with approximately 44% and 39% of global exporter and production of palm oil, respectively. Production of palm oil provides an excellent source of biomass, self-sufficient energy for processi...
Chapter
Bioresins are nontoxic, renewable material resources and biodegradable polymers that may reduce the problem of decreasing petroleum resources and less harmful to the environment. Bioresin is formed from vegetable oil, which mainly consists of triglyceride. Triglyceride in vegetable oil has reactive sites such as double bond (CC) and ester (COOC) f...
Chapter
Biolubricants, often referred as biobased lubricants or bio-lubes, are developed from a variety of vegetable oils. Constraints in this area are associated with the growth of a globally accessible biodegradable base stock, their continuous supply as well as desired physicochemical properties. Nyamplung ( Calophyllum inophyllum ), a tropical plant, h...
Chapter
This chapter discusses biodiesel production's technological and economic aspects from palm oil and Jatropha curcas oil, bioethanol from oil palm empty fruit bunch (OPEFB), and biogas from palm oil mill effluent (POME). Technically, the biodiesel production from crude palm oil (CPO) is sufficient through a transesterification reaction of free fatty...
Chapter
Almost all part of coconut fruit has been industrially utilized. Coconut coir activated carbon and cooking oil are just a few examples. The health benefits of coconut oil are discussed in this chapter. Coconut oil contains some fatty acids such as lauric acid and antioxidants, which have biological activity on health. The extraction process is cate...
Chapter
Methods of bio-oil extraction have been developed. The advantages of liquid extraction methods, compared to fast pyrolysis, are the low temperatures and the possibility of solvent recovery so that they are considered more environmentally friendly. Multistage extraction with a variety of different polarity solvents has produced higher nicotine level...
Chapter
Palm oil mill effluent (POME) is characterized by high biological oxygen demand (BOD) and chemical oxygen demand (COD) content. Anaerobic digestion pond is a very sustainable form of processing because it does not release methane gas into the air, potent greenhouse gas. Proper pretreatment strategies are necessary to handle recalcitrant materials....
Article
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Producers improve environmental performance to reduce the release of post-production waste. The positive environmental performance of producers is expected to influence consumer environmental attitudes positively, specifically toward post-consumption waste. However, research is deficient in exploring the impact of producer environmental performance...
Article
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Precipitate in B20 fuel stored in storage tanks can accumulate at the bottom level of the tank and affect the fuel filter, clogging in the fuel distribution and engine system. This study examines the precipitate formation prediction in B20 fuel based on the monoglyceride content in biodiesel. This research used a modified CSFT method of ASTM D7501...
Conference Paper
Full-text available
As part of urbanization, waste causes a significant challenge in Indonesia. As part of the solution to this challenge is applying the landfill gas (LFG) powerplant. Various efforts are being conducted to implement the LFG powerplant in Indonesia. The literature review was conducted to focusing on the performance sustainability of the LFG powerplant...
Article
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Salt farmers in Indonesia generally carry out simple land processing to produce NaCl levels below 90% and productivity below 80 tons/ha. Several separate efforts have been made to increase the quantity and quality of salt in traditional salt production systems. This work examines the threaded system, additive addition, and geomembrane to increase s...
Article
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The utilization of the recycling of biomass waste for carbon dioxide (CO 2 ) adsorption in biogas is still rare. Even though the experiments on the biogas purification still using synthetic biogas. This paper investigated the recycling of biomass waste, sugarcane bagasse for biogas purification. The conversion of biomass into biochar was claimed to...
Article
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Rice plants (Oryza sativa) are a significant food crop. Tobacco plants (Nicotiana tabacum) can be beneficial and affect growth due to allelochemical content. The srudy aims to determine the effect of tobacco extract (N. tabacum) on the growth and yield of rice (O. sativa) Inpari-32 variety. The study method used the RBD as an experimental design. T...
Article
Full-text available
As part of urbanization, waste causes a significant challenge in Indonesia. As part of the solution to this challenge is applying the landfill gas (LFG) powerplant. Various efforts are being conducted to implement the LFG powerplant in Indonesia. The literature review was conducted to focusing on the performance sustainability of the LFG powerplant...
Article
Nitrocellulose is a cellulose derivative that has many potential applications. Nitrocellulose can bemade through nitration reactions by reacting cellulose and nitric acid at low temperatures. Cellulose can be obtained from lignocellulose biomass such as palm oil empty fruit bunches (POEFBs). In this study, techno-economic evaluation of nitrocellulo...
Article
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A techno-economic analysis of recombinant cellulase production from E. coli Eg-RK2 was conducted to support the fulfilling of Indonesia’s energy roadmap for ethanol production. The plant utilizes OPEFB as a primary substrate in cellulase production, with an expected lifetime of 12 years. The plant is assumed to be built in Indonesia and it will ful...
Article
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Currently, renewable energy started to become a focus of the world as it can be an alternative to fossil energy. Bioethanol is the result of glucose fermentation derived from lignocellulosic raw material (second-generation bioethanol). As one of the countries with the most significant biomass resources globally, Indonesia has a huge opportunity to...
Article
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The reason for such enormous efforts in palm oil mill effluent research would be what has been singled out as one of the major sources of pollution in Malaysia, and perhaps the most costly and complex waste to manage. Palm oil mill final discharge, which is the treated effluent, will usually be discharged to nearby land or river since it has been t...
Article
This study examines the effects of hot air drying operating parameters on salt quality and energy consumption. Temperature, air velocity, and drying time were modified to evaluate their effects on NaCl percentage, water content, whiteness, and hot air drying energy consumption. The results showed that increasing temperatures, air velocities, and dr...
Article
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Tengkawang is an indigenous plant that has potential as a source of vegetable fat. The quality of tengkawang fat is traditionally low. This study aims to reduce free fatty acid (FFA) and physicochemical analysis of tengkawang fat and compare it with shea butter. The purification process of tengkawang includes degumming, neutralization, and bleachin...
Article
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Furfural is a high-selling compound produced from cellulose and hemicellulose conversion, and the level of demand in Indonesia is still high. This research examines the economic process design and calculation of furfural production made from TKS by varying the purification method with the distillation method and the toluene extraction method using...
Article
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Oil palm empty fruit bunches (OPEFB) are solid wastes that can be processed into several chemicals, one of which is furfural. Furfural can be used as a solvent and intermediate compound in many chemical industries. Nowadays, furfural needs in Indonesia are fulfilled through import, especially from China. Therefore, developing a furfural plant in In...
Article
Nitrogen is one of the essential nutrients for plants. Even though its availability in the air is abundant, it cannot be utilized yet due to its structure. Plasma electrolysis by air injection is effectively degrade organic textile dyes waste. In this study we propose a novel air plasma electrolysis (APE) where direct air injection into plasma zone...
Article
Tobacco plants are one of the main trade commodities in Indonesia. At present, the main production of tobacco is cigarettes. However, tobacco has active antibacterial compounds, such as phenols, alkaloids, and essential oils. Therefore, tobacco can be used in the health sector. This study was conducted to determine the effectiveness of the pyrolysi...
Conference Paper
Full-text available
Illipe butter is a product from Illipe nut, which is native from Borneo Island in Indonesia. This study aimed to analyze the effect of purification and lignin addition as a prospective natural antioxidant of Illipe butter. The purification process of Illipe butter consisted of degumming process, neutralization, and bleaching with the addition of ac...
Conference Paper
Maintaining good ear hygiene is important, yet currently available ear cleaning products such as cotton buds and ear scoop might lead to internal ear injury when improperly used. This study examines the market competitiveness of a conceptual ear hygiene product based on analyzing consumer needs. This new ear hygiene product is expected to be able t...
Article
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The industry is a human activity established to process resources or materials into goods or products that humans can utilize. The dairy processing industry is one of the industries that process raw milk into various products, such as milk powder. The process of dairy processing industry activities not only produces a product but also contributes t...
Article
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Surfactants are amphiphilic molecules that have been used in widely used as emulsifier and cleaning agent in various industries. These broad industrial applications made the global surfactant production increased annually. In 2020, the amount of global surfactant production estimated would reach more than 24 million per year. However, the currently...
Article
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Water is essential for a healthy ecosystem and socio-economic development. Global water demand increases annually and will continue to increase significantly. However, the availability of clean water is strongly influenced by pollution, which is heavily influenced by the human population. As rivers are often used as sources for drinking water, its...
Article
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Tengkawang is one of the commodities of non-timber forest products which has been a life of support for people around the forest. Seeds produced by Tengkawang trees are one of the export commodities. However, unfortunately, the process of exporting Tengkawang seeds abroad often requires a long time to reduce the quality of the Tengkawang seeds. Pro...
Article
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The salt quality was studied by dewatering methods such as centrifugal hydro extraction, fixed bed dryer, and rotary drum dryer. The effect of different salt particle sizes was also analyzed. The centrifugal hydro extractor is found to be effective when reducing the high-water content of salt and suitable for reducing water content after the salt w...
Article
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Studies were conducted on the salt quality, such as NaCl percent and whiteness achieved by dry and wet grinding methods. Crude solar salt is carefully collected from traditional solar salt ponds to ensure the uniformity of the sample. Several salt processing methods were applied in this research, such as washing, grinding, and dewatering by centrif...
Article
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Tengkawang fat (Shorea stenoptera), from an indigenous plant of the Kalimantan forest, has excellent potential as an alternative source of vegetable fat because it has a high level of fatty acids composition. Activated natural bentonite can be used as a bleaching agent to improve the quality of tengkawang fat. This research aims to reduce the acidi...
Conference Paper
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Sugarcane bagasse (Saccharum officinarum) can be used for the manufacture of bio-resin. This paper aims to learn more deeply about the literature discussing the production process to its economic studies. So, by processing the data from country origin, bagasse section, mixing, and methods, we can understand the direction of the development of bagas...
Article
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Thermochemical conversion is selected in the design of a rice straw-based bioethanol production plant. This study examines the gasification and catalytic synthetic process technologies of rice straw into ethanol. The size of rice straw was reduced and dried before entering the gasification reactor to convert into syngas. The clean gas goes to the m...
Article
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Production of bioethanol through several routes from cheap materials such as agricultural solid waste is getting more interesting nowadays. Rice straw is one of the potential agricultural solid wastes that can be used as feedstock for bioethanol production due to a huge amount of availability, especially in South East Asia countries. In this study,...
Article
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Rice straw is one of the abundant lignocellulosic waste materials that potentially produce 205 billion liters bioethanol per year in Indonesia. This study examines the health, safety, and environmental aspects of a Bioethanol Production Plant. The main processes involved in the plant are pretreatment, gasification, water-gas shift reaction, carbon...
Article
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Production of bioethanol from the abundant sources of agroindustrial cellulose has the potential to reduce world dependency on fossil fuel and, at the same time, represent a potentially negative environmental impact. Cellulose makes up nearly half of all plant biomass. Therefore, cellulosic ethanol may be the most potent source of biofuel in the ne...
Article
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Gynura procumbens (longevity spinach) is typically used in Asian folk medicine to treat inflammation and rheumatism. Studies show that Gynura procumbens has many applications, especially as a therapeutic medicine for antimicrobial, anti-inflammatory, antioxidant, organ protective, antihyperglycemic, antihypertensive, cardioprotective, anti-cancer,...
Article
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Oil palm empty fruit bunch (OPEFB) is a potential raw material abundantly available for bioethanol production. However, the second-generation bioethanol is still not yet economically feasible. The COVID-19 pandemic increases the demand for ethanol as the primary ingredient of hand sanitisers. This study evaluates the techno-economic feasibility of...
Article
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The extract of Nicotiana tabacum L. var Virginia origin of Ponorogo (EHRE-Nt) was applied under field conditions against the coffee borer beetle Hypothenemus hampei (CBB). Three extract formulations containing 150, 300, and 450 ml of EHRE-Nt in 100 liters of water were prepared and sprayed on 0.5 hectares each. A nontreatment was applied as a contr...
Article
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Nitrocellulose as a propellant can be obtained using a nitration reaction of Palm Oil Empty Fruit Bunches (POEFBs). In this study, we examined the sensitivity analysis of nitrocellulose production from POEFBs based on POEFBs price, electricity price, nitrocellulose price, and production capacity. The results showed that economic evaluations without...
Article
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The increase in intensive using of production elements has been reflected on the increasing of organic waste. Without appropriate treatment, waste leads to the contamination of environment. The conversion of organic waste into material with economic value will contribute to increasing productivity, for example in biogas system. Today, the utilizati...
Article
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Objective: This research aimed to encapsulate the propolis through spray drying to overcome problematic handling properties of propolis and to optimize the microencapsulation by using response surface methodology (RSM). Methods: The propolis ethanolic extract (PEE) was microencapsulated by spray drying with maltodextrin and gum arabic. RSM was appl...