Tjandra Setiadi

Tjandra Setiadi
Bandung Institute of Technology | ITB · Department of Chemical Engineering

Doctor of Philosophy

About

223
Publications
145,113
Reads
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1,306
Citations
Citations since 2017
83 Research Items
968 Citations
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2017201820192020202120222023050100150200250300
2017201820192020202120222023050100150200250300
Introduction
Tjandra Setiadi currently works at the Department of Chemical Engineering, Bandung Institute of Technology. His current project is 'Textile Wastewater Treatment by Aerobic Granular Sludge: from Laboratory to Pilot-Scale'.
Additional affiliations
July 2011 - June 2018
IHE Delft Institute for Water Education
Position
  • Stimulating Local Innovation on Sanitation for the Urban Poor in Sub-Saharan Africa and South East Asia
Description
  • This 5 years project is funded by the Bill and Melinda Gates Foundation
February 2007 - present
Bandung Institute of Technology
Position
  • Professor
January 2005 - present
Bandung Institute of Technology
Position
  • Head of Department
Education
September 1986 - December 1989
University of Strathclyde
Field of study
  • Chemical and Process Engineering

Publications

Publications (223)
Chapter
Biochar, as a solid-rich carbon material, is produced through the pyrolysis conversion of biomass. Biochar becomes a chemical product commodity to be used for multipurpose such as a soil amendment agent and pollutant adsorbent besides its energy content. Various biochar production technologies are discussed. The common biochar production technologi...
Article
Microbiologically influenced corrosion (MIC), commonly known as biocorrosion, is a destructive phenomenon that can be initiated by the bioactivities of microbes. It can occur in the diesel mixture storage tank, especially due to the presence of biodiesel, because the biodegradability characteristic of biodiesel results in the enhancement of microbi...
Conference Paper
Full-text available
Synthetic dyes have become an indispensable material for the textile industry, a long-standing and profitable industry in many countries in recent times. Their huge advantages are in reducing the cost of textile products and manufacturing brilliant color products, compared to natural ones. Each year, an estimated quantity of over 7 × 105 tons of dy...
Article
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Implementation of outdoor photobioreactors has been challenged by an extremely oversaturated daily peak of solar irradiance. This study aims to understand the role of column size and paranet shading as well as to investigate the most convenient light control in outdoor cyanobacterial culture. The photobioreactor (PBR) consisted of plastic columns w...
Article
Textile wastewater treatment generates sludge that needs to be disposed of safely. The cost of sludge management is 50% of the total treatment cost of the wastewater. To reduce the expense, the sludge can be repurposed as a valuable resource by extracting extracellular polymeric substance (EPS). EPS contains polysaccharides, proteins, and humic sub...
Chapter
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Anaerobic biofilm reactors (AnBRs) are among the most exciting bioprocesses studied extensively due to their comprehensive prospective implementation in wastewater treatment. These systems consisted of microorganism which acts as a biocatalyst that adheres to the surface of inert media. AnBRs are more advantageous since they have a higher density a...
Article
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Biodiesel is a renewable energy product made from vegetable oil that is blended with diesel oil in a specific concentration known as a B30 product. Biodiesel is hygroscopic and a potential carbon source for microorganism metabolism, promoting biocorrosion of carbon steel tanks during storage. Steel coupon samples were corroded in corrosion experime...
Poster
Full-text available
Wastewater-based epidemiology (WBE) is a tool to better understand the spread of coronavirus disease (COVID-19) because it can detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) shed from asymptomatic and presymptomatic patients. This study focused on the application of WBE in Bandung City, Indonesia. From May 2021 to March 2022, a...
Conference Paper
Full-text available
Epidemiologi berbasis air limbah merupakan sebuah pendekatan untuk memahami penyebaran penyakit coronavirus (COVID-19) dengan mendeteksi SARS-CoV-2 dari penderita COVID-19 baik yang asimtomatik maupun presimtomatik. Studi ini berfokus pada penerapan epidemiologi berbasis air limbah di Kota Bandung. Sejak Mei 2021 hingga Maret 2022, 53 sampel air li...
Article
In this study, ferroferric oxide (Fe3O4) was used to accelerate treatment performance of synthetic wastewater containing azo dye reactive black and starch as a sole carbon source. In a batch experiment, 10 g·L⁻¹ of Fe3O4 was confirmed to be optimal to this type of wastewater treatment. Therefore, this concentration was chosen for the follow-up expe...
Article
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Corncobs are composed of cellulose, hemicellulose, and lignin. Cellulose and hemicellulose are monomeric sugars that can be utilized as carbon sources for microbial growth and bioproduct formation. However, corncobs present several challenges due to their complex and recalcitrant nature. Addressing these challenges for increased enzymatic and micro...
Article
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Microplastics have been found in all hemispheres of the world. However, studies on microplastics are mainly conducted in Europe, North America, and East Asia. Few studies are reported in the Southeast Asian region, where a large number of plastic waste is disposed of improperly into the water. This study investigated the abundance and characteristi...
Chapter
Pesticides are necessary to support the agricultural industry in order to feed the world’s growing population. However, excessive application of them has led to contamination of soils and bodies of water all around the globe, threatening many organisms in these ecosystems. Pesticide persistence in the environment has resulted in significant harmful...
Article
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Water security is the fulfillment of access to adequate and sustainable water needs (quantity and quality) for the growth of human and ecosystem life and the ability to reduce risks associated with water. By knowing the water security of an area, efforts to conserve, utilize, control destructive force, develop information systems and participate in...
Article
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Microorganisms in biodiesel storage tanks may generate bio-corrosion due to their hygroscopic and susceptible fuel degradation. The organisms, including Bacillus megaterium present in the hydrocarbons, resulted from the EPS and metabolites processes that subsequently control the corrosion process of the tank. This present study examined the effect...
Article
Nuclear power is an ideal option for sustainable energy sources from U-235 fission. However, this energy generates long-term radioactive waste such as partially used nuclear fuel (PUNF) during electricity production. This work reviews various technologies to provide viable, sustainable, and long-term solutions for the PUNF storage. They include vit...
Article
Full-text available
Simultaneous saccharification and fermentation (SSF) configuration offers efficient use of the reactor. In this configuration, both hydrolysis and fermentation processes are conducted simultaneously in a single bioreactor, and the overall processes may be accelerated. However, problems may arise if both processes have different optimum conditions,...
Article
Tofu whey is produced during protein coagulation and tofu pressing in tofu processing. It is highly potential for use as a substrate in biogas production. As a protein-rich substrate, tofu whey potentially provides nitrogen, the main nutrient required by anaerobic microorganisms; and Volatile Fatty Acids (VFA) neutralization effect by ammonia gener...
Article
Oil palm empty fruit bunches (OPEFB) is the most abundant agro-industrial waste in Indonesia. It has 22.03–35% hemicellulose content. This paper reports the delignification of OPEFB using white-rot fungi followed by hydrothermal pretreatment to enhance the xylose and glucose production. The study was conducted by comparing the performance of two di...
Article
Full-text available
Anaerobic digestion plays an important role in the gastrointestinal tract and in organic waste treatment. Thermodynamic analysis based on the reaction Gibbs free energy can be used to predict the favorability of some reactions occurring during anaerobic digestion. In this study, we used a thermodynamic approach to evaluating reactions and stoichiom...
Preprint
Full-text available
Simultaneous saccharification and fermentation (SSF) configuration offers an efficient used of the reactor. In this configuration, both the hydrolysis and fermentation processes are conducted simultaneously in a single bioreactor and the overall process may be accelerated. Problems may arise if both processes have different optimum conditions, and...
Article
This study was conducted to assess the potential of a sponges-submerged anaerobic baffled reactor (SS-ABR) for enhancing the processing performance of azo dye-contaminated wastewater. A lab-scale four–compartment SS-ABR, with a total volume of 10 L, was operated at 30 °C for 180 days. A total of 14 polyurethane sponges were added in each compartmen...
Chapter
Full-text available
This chapter describes the current status and challenges regarding the governance of wastewater surveillance systems against COVID-19. Monitoring SARS-CoV-2 in wastewater has been proposed to be a potential tool to understand the actual prevalence of COVID-19 in the community, and it could be an effective tool during the pandemic to monitor the tre...
Article
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Indonesia imports ±99% of its industrial enzyme supply, mostly from China, India, Japan, and Europe. Xylanase is one of the most widely used enzymes in industries, mainly pulp and paper, animal feed, and bakery. Previous research has shown that Aspergillus fumigatus ITBCCL170 can produce xylanase enzyme using the Solid State Fermentation (SSF) proc...
Article
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Microbial growth occurs on a wide variety of compounds. One of the critical parameters in biotechnological processes is biomass yield. Biomass yield for many different microbial systems extensively studied due to its primary importance. Besides biomass yield, a stoichiometric coefficient determination is also important because it can predict the nu...
Article
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The global demand for fossil fuels has increased sharply in the past 50 years. Plant biomass is one of the fourth largest non-fossil renewable energy sources after geothermal, solar, and wind energy. Biomass can be first converted into another energy form, such as ethanol, to provide a more efficient energy source. Syngas fermentation enables conve...
Article
Water pollution from the discharge of wastewater containing toxic heavy metals such as cadmium (Cd) to the natural water bodies is one of the biggest problems affecting humanity. Different technologies such as sorption, membrane filtration, etc. have been used to remove heavy metal from the polluted water. In this work, the effects of operational p...
Article
This study investigated the feasibility of integrated ammonium stripping and/or coconut shell waste-based activated carbon (CSWAC) adsorption in treating leachate samples. To valorize unused biomass for water treatment application, the adsorbent originated from coconut shell waste. To enhance its performance for target pollutants, the adsorbent was...
Article
This work investigates the performances of coconut shell waste-based activated carbon (CSWAC) adsorption in batch studies for removal of ammoniacal nitrogen (NH 3-N) and refractory pollutants (as indicated by decreasing COD concentration) using leachate samples, collected from a local open dump. To valorize unused resources, coconut shell, recovere...
Article
Various toxic chemicals in textile wastewater can cause serious problems for the ecosystem and human health if it is discharged without proper treatment. In this study, the performance of textile wastewater treatment using an anaerobic membrane bioreactor (AnMBR) combined with a downflow hanging sponge (DHS) reactor is evaluated. An AnMBR with a wo...
Article
The textile industry discharges large amounts of polluted wastewater containing synthetic dyes. A down-flow hanging sponge (DHS) reactor is a novel aerobic wastewater treatment process that utilizes a sponge as a biomass-retaining carrier. This sponge carrier has both aerobic and anaerobic zones owing to different dissolved oxygen concentrations. I...
Raw Data
Hasil pengumpulan informasi dari beberapa Jurnal Ilmiah tentang hubungan antara Golongan Darah dan Covid-19. Data dari Negara Arab, India dan China. Walaupun data masih terbatas, ada kecenderungan bahwa orang dengan golongan darah O memiliki resiko lebih rendah terkena Covid-19 dibandingkan dengan golongan darah lainnya.
Article
Full-text available
This mini review describes the current status and challenges regarding institutionalisation of wastewater surveillance systems against COVID-19. Monitoring SARS-CoV-2 in wastewater has been proposed to be a potential tool to understand the actual prevalence of COVID-19 in the community, and it could be an effective approach to monitor the trend dur...
Article
Water contamination by cadmium (Cd), which is a toxic heavy metal widely used in many industrial processes, is a pervasive environmental problem. This study investigated the removal of Cd by dry cyanobacterium Aphanothece sp cultivar in adsorption columns The effect of inlet Cd concentrations (1.00 – 4.85mg/L), flow rates (0.30-0.60 L/h) and bed he...
Article
We test the feasibility of TiO2(B)@carbon composites as adsorbents, derived from wheat straws, for tetracycline (TC) adsorption from aqueous solutions. Hydrochar (HC), biochar (BC), and hydrochar-derived pyrolysis char (HDPC) are synthesized hydrothermally from the waste and then functionalized with TiO2(B), named as ‘Composite-1’, ‘Composite-2’, a...
Article
Detailed understanding of the membrane application is essential for the treatment of wastewater to remove organic and inorganic pollutants. Even though the membrane bioreactor (MBR) has been widely used for the removal of oil and grease (O&G) and chemical oxygen demand (COD) from wastewater, the use of MBR to remove the organic and inorganic pollut...
Article
Full-text available
Biodiesel can supply nutrients for bacterial metabolism leading to corrosion of carbon steel. In this work, the corrosion of carbon steel was observed in the mixture of 15%, 20%, 30% v/v biodiesel in diesel oil in the presence of B. megaterium. The effect of biodiesel concentration and microorganism induced corrosion (MIC) was investigated by EIS,...
Article
Full-text available
Dalam beberapa bulan terakhir ini, terdapat kekhawatiran di kalangan akademisi tentang kemungkinan penularan COVID-19 melalui air (waterborne disease). Hal ini disebabkan ditemukannya virus SAR-CoV-2, untuk selanjutnya disebut virus saja, di tinja, air limbah dan/atau instalasi pengolahan air limbah (IPAL). Sebelum membahas lebih lanjut, perlu dipa...
Article
Full-text available
Percepatan Pengendalian Pencemaran dan Kerusakan Daerah Aliran Sungai (DAS) Citarum dengan program utamanya dikenal sebagai ‘Program Citarum Harum’ dituangkan dalam Peraturan Presiden No 15/2018 yang ditandatangani oleh Presiden Indonesia, Joko Widodo pada tanggal 14 Maret 2018. Pelaksana program tersebut dikenal dengan nama Tim DAS Citarum yang te...
Poster
Full-text available
In this study, a combination of AnMBR with a working volume of 5 L and DHS G3 with a working volume of 0.5 L is used for treating synthetic textile wastewater contained Remazol Black B azo dye. The membrane used is hollow fibre PVDF with a pore size of 0.07 - 0.1 µm. The experiments were carried out at room condition with variations of AnMBR HRT of...
Article
Highly colored wastewater from the textile industry, can threaten the natural environment if discharged into water bodies without any treatment. In this study, a laboratory–scale system combining an anaerobic baffled reactor (ABR), with the total volume of 10 L and a down–flow hanging sponge reactor (DHS), with the total volume of 4.14 L was design...
Article
Full-text available
The biological route to produce xylitol from Oil Palm Empty Fruit Bunches (EFBs) comprises of EFBs pretreatment, enzymatic hydrolysis, fermentation, and downstream separation of the produced xylitol. Due to the specificity in the hemicellulose composition of EFBs, a xylanase enzyme that has a high affinity to EFBs is required to hydrolyze the EFBs...
Article
Full-text available
The hardest obstacle to make use of lignocellulosic biomass by using green technology is the existence of lignin. It can hinder enzyme reactions with cellulose or hemicellulose as a substrate. Oil palm empty fruit bunches (OPEFBs) consist of hemicellulose with xylan as the main component. Xylitol production via fermentation could use this xylan sin...
Article
Full-text available
The conventional method for cadmium removal in aqueous solutions (1-100 mg/L) is ineffective and inefficient. Therefore, a batch biosorption reactor using a local freshwater microalga (originating from an urban lake, namely, Situ Rawa Kalong-Depok) as dried biosorbent was tested. Biosorbent made from three kinds of cyanobacterium Aphanothece sp. cu...
Preprint
Hydrolysis of lignocellulosic materials into simple sugar plays an important role in a biorefinery. The production of high xylose concentration hydrolysate via enzymatic hydrolysis of hemicellulose by xylanase was substantial in xylitol production. The xylanase activity in the hydrolysis process, however, is affected by some activators and inhibito...
Article
Full-text available
The biological process route of xylitol production from lignocellulosic materials, via enzymatic hydrolysis which is followed by fermentation, offers a more sustainable or greener process than the chemical process route. Both the enzymatic hydrolysis and the fermentation processes are conducted at moderate process condition and thus require less en...
Presentation
Conversion of biomass into fuel has shown potential for future fuel needs. Among the available process, ethanol production via syngas fermentation provides a method to totally utilize the carbon content in the biomass. Syngas fermentation was done in a 1.5-L CSTR by Clostridium ljungdahlii. Hollow fiber membrane as a gas-liquid contactor was connec...
Article
Combining bioreactor and membrane, known as a membrane bioreactor (MBR), has been considered as an attractive strategy to solve the limitations of conventional activated sludge process, such as biological instability, poor sludge quality, and low concentration of mixed liquor suspended solid. Unlike the other MBRs, extractive membrane bioreactor (E...
Presentation
Bioprocess-based xylitol production from lignocellulosic material is an environmentally friendly and sustainable alternative production process. It requires lower energy compared to the conventional xylitol production using catalytic hydrogenation reaction. The scenario of the xylitol production process through the bioprocess pathway can be carried...
Article
Abstract Ultrasonic remediation is an emerging technology that is applied to recover contaminated soils. There are 2 (two) main mechanisms that occur in the ultrasonic process: desorption and chemical degradation. Soil particle size, temperature, ultrasonic power, ultrasonic frequency, ultrasonic intensity and ultrasonic time are some factors foun...
Presentation
Full-text available
Hydrolysis of lignocellulosic materials into simple sugar plays an important role in biorefinery. The production of high xylose concentration hydrolysate via enzymatic hydrolysis of hemicellulose by xylanase, for example, is crucial in xylitol production. The xylanase activity in the hydrolysis process, however, may be affected by some activators a...
Presentation
Organosolv pretreatment is one among several pretreatment processes which aims to fractionate lignocellulosic biomass into cellulose, hemicellulose, and lignin. Subsequently, hemicellulose can be hydrolyzed enzymatically to produce xylose that is a substrate for xylitol production. This research was aimed to evaluate the Ethanol-organosolv pretreat...
Article
Full-text available
Ethanol production via syngas fermentation obtained from lignocellulose gasification provides a method to completely utilize all the carbon content from lignocellulosic feedstock. A low mass transfer rate of less soluble gas CO and H2 to liquid has been considered as the major bottleneck of the overall process; thus, microporous membrane was propos...
Conference Paper
Full-text available
The low mass transfer rate of less soluble gas CO and H² to liquid has been considered as the major bottleneck of syngas fermentation. Gas mass transfer rate depends on many factors, including the reactor type, gas flow rate and agitation speed. This paper presents the evaluation of the mass transfer coefficient (kLa) for the hollow fiber membrane...
Book
Full-text available
Ministry of the Environment Jepang dan Kementerian Lingkungan Hidup dan Kehutanan RI telah memulai bekerja sama sejak tahun 2008, berdasarkan "Pernyataan Bersama tentang Kerja Sama Konservasi Lingkungan melalui Pendekatan Co-benefit (Desember 2007)" yang telah dijalin oleh menteri bidang lingkungan kedua negara tersebut. Pada September 2011 dan Jul...
Poster
Full-text available
From all tested inhibitor, it showed that ethanol, vanillin, and formic acid gave the lowest hydrolysis rate of each group. Ethanol increased the Michaelis constant significantly by not changing its maximum reaction rate. Thus, ethanol bound with xylanase competitively. Vanillin was able to reduce the maximum reaction rate and Michaelis constant in...
Poster
Full-text available
The production of xylitol requires xylose as a substrate which can be obtained from enzymatic hydrolysis of lignocellulose materials using xylanase enzymes. Xylanase enzyme is an enzyme that works in the main chain of hemicellulose, namely xylan and produces xylose and other oligosaccharides. Hemicellulose for each lignocellulosic biomass has diffe...
Article
Full-text available
Lakase merupakan salah satu enzim ligninolitik yang memiliki kemampuan mendegradasi lignin. Lakase telah diproduksi menggunakan jamur pelapuk putih Marasmius sp. dalam Fermentasi Kultur Padat (FKP) menggunakan jerami padi sebagai media pertumbuhan. Pengaruh sumber karbon yaitu glukosa, gliserol, dan molase dalam medium produksi lakase digunakan dal...
Article
Full-text available
The abundance of Oil Palm Empty Fruit Bunches (EFB), the lignocellulosic biomass waste from Crude Palm Oil (CPO) industries, offers a potential for its application as raw material for biorefinery. Its xylan content in particular, suggests that EFB can be used as raw material for xylanase production. This article studies xylanase production by funga...
Article
Full-text available
Extracellular polysaccaride extraction from activated sludge microorganism as heavy-metal adsorbent. Microorganisms in the form of bioagregate are the main component of activated sludge. It generally has an ability to produce EPS (extracellular polymeric substances). The important components in EPS are polysaccharides and proteins. EPS recovery fro...
Article
The high carbon content of coal bottom ashes collected from several textile manufacturing plants in the Bandung area is indicative of an opportunity for energy utilization efficiency improvement by re-combustion of the bottom ashes. This research examines the technical feasibility of bottom ash utilization as a raw material for solid fuel briquette...
Article
Full-text available
In order to obtain culture of Saccharomyces cerevisiae which has the highest ethanol tolerance and can produce high yield of ethanol as well a study of mutation has been begun. Mutation experiment conducted by continuos adaptation on a chemostat was initiated with a preliminary study of screening of alcohol-tolerant yeast. The procedures of screeni...
Article
SHARON (Single reactor High activity Ammonia Removal Over Nitrite)-Anammox (Anaerobic Ammonium Oxidation) has never been used for treating wastewater with high urea content. Three prior researches have been done to examine the performance of SHARON process with urea-ammonia feed but the results are still unable to explain its performance. To explai...
Article
Bioplastic Polyhidroxyalknoate (PHA) is a polyester type bioplastic with physicochemical properties resemble to those of polypropilen from petroleum. PHA production was investigated to determine the effect of carbon source on the fermentation process by Ralstonia eutropha. Specifically, Ralstonia eutropha was cultivated in a batch bioreactor to sho...
Article
The anaerobic digestion is a basic technique in reducing bio-sludge. The eficiency process anaerob doing based on value ratio COD and BOD. One simple test for knowing biochemical methane potential was developed in 1779 by Owen group. A study on BMP (Biochemical Methane Potential) and ATA (Anaerobic Toxicity Assay) on bio-sludge were carried out in...
Article
Full-text available
The distributions of cadmium ions in water, microalgae biomass and sediment from Rawa Kalong Lake-Indonesia, a tropical hypereutrophic urban lake, were studied. Average concentration of cadmium ions in water was above the threshold level for supporting safe aquatic life (ranged from 0.387 to 0.574 µg/L) and microalgae biomass ranged 2.89 to 4.94 µg...
Technical Report
Full-text available
Resource recovery from wastewater provides a significant opportunity in Indonesia. Overcoming some of the institutional barriers, operational shortcomings and financial constraints would be critical to expand wastewater treatment and reduce pollution. Capitalizing on the new technologies to recover valuable resources from wastewater can provide a n...
Article
Full-text available
Aerobic granular sludge (AGS) as recent biological wastewater treatment has been developed in a modified sequencing batch reactor (SBR) using real textile wastewater. This experiment focused on comparing the effects of different nutrient sources, i.e. fine chemicals and fertilizer, on the characteristics of the AGS. The development of AGS conducted...
Article
Full-text available
As lignocellulosic biomass, Oil Palm Empty Fruit Bunch (OPEFB) can be used as the source of xylose that can be further utilized as the raw material for xylitol production. The processing of OPEFB to xylose comprises of pretreatment and hydrolysis that can be performed enzymatically. This process offers the advantages of moderate operation condition...
Article
Full-text available
Biodiesel come into being used as an alternative source of energy as the diminishing of petroleum reserves. This fuel is typically stored in tanks that are commonly made from carbon steel, which is easily corroded by microorganisms. Recent studies have shown that bacteria aside from SRB may also be involved in corrosion. Therefore, this research wa...
Article
Full-text available
Bioconversion of C-1 carbon in syngas through microbial fermentation presents a huge potential to be further explored for ethanol production. Syngas can be obtained from the gasification of lignocellulosic biomass, by which most of carbon content of the biomass was converted into CO and CO2. These gases could be further utilized by carbon-fixing mi...
Article
Full-text available
Biorefinery industry used lignocellulosic biomass as the raw material. Oil Palm Empty Fruit Bunch (OPEFB) is one of Indonesian potential lignocellulosic biomass, which consists of hemicellulose with xylan as the main component. Xylitol production via fermentation could use this xylan since it can be converted into xylose. However, the structure of...
Article
Full-text available
The microbial fuel cell (MFC) is an alternative technology that can be used to simultaneously solve problems related to wastewater production and energy demand. This study investigates the influence of electrode distance on power density in a microbial fuel cell using tapioca wastewater. A graphite sheet without metal catalyst was used for both ele...