Ani Iryani

• PhD
• Professor (Associate) at Pakuan University

The synthetic dye methylene blue is utilized in many industries. However, it harms the aquatic ecosystem. Methylene blue causes wastewater to become colored. If this colored waste is released into the environment, clean, colorless water will become colored. This work uses a zeolite coal fly ash/TiO2 nanocomposite to enhance the process and identify...

Sales of bottled drinking water (AMDK) increase in line with population growth every year. Based on data from the Indonesian Plastic Industry Association (Inaplas) and BPS, Indonesia produces 64 million tons of waste/year, and 3.2 million tons of plastic waste comes from AMDK. In connection with the community's dependence on consuming AMDK, the gov...

The largest source of waste comes from household activities. One of the wastes that comes from household activities is chicken eggshells waste. Chicken eggshells contain 94% CaCO3 and can be used as a source of calcium to synthesize hydroxyapatite (Ca10(PO4)6(OH)2) by the precipitation method. Hydroxyapatite can be used as an adsorbent material bec...

Sparing is a development of sensor technology to monitoring wastewater quality continuously and online, so it can be done in real time. Wastewater quality monitoring carried out in the laboratory using the SNI method still has several drawbacks, including large analysis costs, long analysis time and the use of chemicals that are not environmentally...

Graphitic carbon nitride (g-C3N4) is a photocatalyst possessing a unique layered structure, remarkable thermal and chemical stability, and tunable bandgap. However, the bulk g-C3N4 has limited active sites and fast electron-holes recombination. In this work, we prepared porous g-C3N4 with an enhanced photoactivity toward methylene blue (MB) degrada...

p>The purpose of this research is to synthesize the complex compound of ion Fe³⁺ with para-di-2-(1-phenyl-3-pyridyl-4,5-dihydro-1H-pyrazole-5-yl)benzene ligand and its potentials as the sensor of Cd²⁺ and Zn²⁺ heavy metal ions based on fluorescence. Complex compounds are characterized with a Fourier-Transform Infrar...

This research aims to decolorize methylene blue using TiO2-Fe photocatalyst and analyze the effect of catalyst doses and pH. Methylene blue was irradiated for 30, 60, 90, 120, 150, 180, 210, and 240 minutes, with methylene blue initial concentrations of 5, 10, 15, and 20 mg/L. The TiO2-Fe was prepared by the sol-gel method. The type of light used i...

Wastewater from the batik industry in Bogor City is the most waste produced from the dyeing process. The batik industry produces waste with concentrated color due to the high concentration of color content from the dyeing process. This affects water bodies as a direct disposal site for waste. Batik waste also has the potential to contain heavy meta...

ZSM-5/graphitic carbon nitride (g-C3N4) composites were successfully prepared using a simple solvothermal method. By varying the amount of ZSM-5 and g-C3N4 in the composites, the charge carrier (electrons and holes) transfer within the materials, which contributes to the enhanced photocatalytic performance, was unraveled. The X-ray diffraction (XRD...

p dir="ltr">Tongkol jagung mempunyai kandungan silika yang cukup tinggi, yaitu 67,41% dari total abunya yang memungkinkan untuk dimanfaatkan untuk pembuatan komposit eugenol-silika gel. Penelitian ini bertujuan mempelajari pembuatan komposit eugenol-silika gel dengan bahan dasar abu tongkol jagung menggunakan metode sol gel, diikuti dengan analisis...

This study aims to investigate the effects of different solvents (isopropanol, benzene, and toluene) on the synthesis of carbon-modified TiO2/H-ZSM-5 composites. Carbon-modified TiO2/H-ZSM-5 composites were characterized by FTIR, XRD, and SEM. XRD analysis revealed that the TiO2 peaks at 2 = 25.3, 37.8, and 48.2° had distinct characteristics. FTIR...

Fungal infections of the skin can be treated with antifungal compounds, one of which is clotrimazole. Under certain conditions, clotrimazole can be degraded to imidazole and (o-chlorophenyl) diphenyl methanol which can cause skin irritation. This is because the storage conditions of the drug product during or after use if it is not suitable, can in...

Phenol is one of the essential organic pollutants released into the environment because of its high stability and toxicity. It is harmful to organisms, environment, and posing a serious threat to human health at low concentration. This research investigated the photocatalytic degradation process of phenol using a TiO2-Fe catalyst under visible ligh...

High productivity of chicken meat for supplying society also make some impact in high productivity of chicken bone and because it’s unraveling properties makes this become waste. Pharmaceutical’s Waste comes from production process, adstertion of production tools, laboratory activities and rejected product. Laboratory’s routine analysis also produc...

A hierarchical zeolite ZSM-5 with micro and meso-pore was prepared by optimising the most affecting parameter in sequence of desilication and dealumination. The physicochemical properties of zeolite were characterised with XRD, nitrogen adsorption-desorption, FTIR and SEM. The potential of this zeolite for decolorisation of CR, RY, MB, RhB, DB-1 an...

ZSM-5-TiO2 composites are usually used as adsorbents as well as photocatalyst in waste treatment. However, these composites are less effective insoluble waste treatment, so it needs to modify by adding organic substances that can react with the waste. In this study, Octadecyltrimethoxysilane (OTMS) was added to the surface of the ZSM-5-TiO2 composi...

Paraquat dichloride, is an active herbicide with the chemical formula [(C6H7N2)]Cl2, and in the last decade became the most widely used agricultural pesticide in Indonesia. It has an important role in oil palm plantations but recently appeared many problems and caused environmental pollution. In this research, the photodegradation of paraquat herbi...

TiO 2 photocatalyst is one of the Advanced Oxidation Processes (AOPs) methods which is very potential to be applied to treat wastewater. Modification of TiO 2 with the addition of ZSM-5 as supporting material can increase the adsorption capacity and conductivity of water molecules. Those properties enable TiO 2 /ZSM5 composites to conduct photodegr...

Rhodamine B (RB) and Methylene Blue (MB) dyes adsorption using adsorbent ZSM-5 synthesized from Bangka kaolin were investigated in this study. The effects of the initial concentration, contact time and temperature on the adsorption process were also analyzed. The effect of the initial concentration and contact time played an important role in the a...

Textile Dyes Removal by ZSM-5 from Bangka Kaolin Iryani, A1 and Hartanto, D2 1Chemistry Departement, FMIPA UNPAK Bogor, Indonesia 2Chemistry Departement, FIA ITS Surabaya, Indonesia 2E-mail : djokohar023@gmail.com; djokohar@its.ac.id Abstract. The ZSM-5- adsorption capacity, which is synthesized directly from Bangka kaolin, has been thoroughly t...

The processing of palm sago into flour produces unsightly brownish wastewater with high COD and TSS values and very low DO. Waste treatment to reduce waste parameter values can be done one of them by electrocoagulation method. This study was conducted to determine the effectiveness of processing sago wastewater by electrocoagulation and decreasing...

Abstract. Carbon doped TiO2 have been successfully synthetized in this study using sol-gel method and followed by carbonization in hypoxic condition. Titanium (IV) isopropoxide and isopropanol were used as starting material without addition of external carbon precursor. The carbon doped TiO2 were synthetized with different calcination temperature a...

Abstract ZSM-5 is a material that has a pore of 0.53 nm and high acidity that can be used as an adsorbent in the waste treatment process. The modification of ZSM-5 with the addition of metal oxide (TiO2) will give the catalyst alloy properties i.e. photocatalysis by TiO2, supported by ZSM-5 properties, i.e. large external surface, large pore volume...

The influence of the molar ratio H2O/SiO2 in the synthesis directly from Bangka Belitung's Kaolin has been studied by performing synthesis of ZSM-5 with a variation of the molar ratio H2O/SiO2 is different at 15, 25, 30, and 35. Weighing 3.980 g Bangka's kaolin are added other material so obtained molar composition 10Na2O: 120SiO2: 2Al2O3: 1800-420...

ZSM-5's adsorption study of kaolin Bangka without organic template using congo red with initial concentration of 50-250 mg / L with variation of contact time of 40-180 minutes. The results of the adsorption of Congo Red (CR) dye at 30 o C-50 o C with pH 7, the increase in contact time causes the dye to decrease significantly. In addition, an increa...

PEMBERDAYAAN MASYARAKAT NON PRODUKTIF MELALUI KETERAMPILAN PEMBUATAN TAWAS DARILIMBAH KALENG BEKAS MINUMANABSTRACT Leuwiliang Village, Leuwiliang District, Bogor Regency, is a village that has a fairly dense population with diverse livelihoods. Village Government information is known as 25% of the population has not had a job, so classified as a no...

Tea drinks produce tea waste that has a high enough cellulose content is about 33,54% of the dry weight. The cellulose has the ability to bind metal ions by adsorption because there are carboxyl and hydroxyl function groups in it. Therefore, this research has purpose is to know the ability of the cellulose contained in the tea waste to adsorp Ca 2+...

Air merupakan sumber daya alam yang sangat penting bagi mahluk hidup akan tetapi, tingkat pencemaran air sudah sangat memprihatinkan. Metode koagulasi merupakan salah satu metode yang cukup banyak diaplikasikan pada pengolahan air. Metode ini menggunakan koagulan sintetik yang dapat memicu penyakit alzhaimer. Alternatif lain koagulan sintetik yaitu...

ABSTRAK Pemanfaatan serbuk gergaji kayu yang digunakan sebagi adsorben logam timbal (Pb) yang menggunakan berbagai perlakuan tanpa aktivasi (Kontrol dan Delignifikasi) dan teraktivasi (Esterifikasi, Formaldehida dan Piridin). Penelitian bertujuan mentukan efektifitas serbuk gergaji kayu jati dalam menyerap logam timbal dengan beberapa variasi konse...

Wilayah industri Cibinong-Citeureup Bogor telah mengalami hujan asam intensitas tinggi (pH<5,0). Hujan asam dapat melarutkan logam dalam tanah (pelindian=leaching) sehingga meningkatkan kadar logam dalam air sumur. Telah dilakukan percobaan simulasi pengaruh keasaman air hujan buatan terhadap kadar logam Fe dan Ca dalam air lindi. Tujuan penelitian...

Limbah larutan penyapu jenuh adalah limbah yang berasal dari proses pelarutan tinta dan daur ulang yang terus menerus sehingga jenuh dan tidak dapat digunakan kembali. Limbah ini harus diolah terlebih dahulu sebelum dibuang ke lingkungan karena bersifat basa, berbusa, dan mengandung COD yang tinggi. Pereaksi fenton dan kaporit merupakan bahan yang...

Telah terjadi hujan asam di wilayah industri Cibinong-Citeureup-Gunung Putri Kabupaten Bogor. Hujan asam di wilayah industri Citeureup Bogor mengandung sejumlah polutan yang dapat meresap kedalam tanah dan masuk ke sumur, sehingga mempengaruhi kualitas air sumur. Telah dilakukan percobaan simulasi untuk mempelajari pengaruh konsentrasi ion NO3-, NH...

Sirsak dapat dimanfaatkan sebagai tanaman obat karena didalamnya terkandung senyawa alkaloid. Sirsak merupakan salah satu tanaman yang memiliki kandungan alkaloid yaitu aziridine, metilpirazol, pirazol, pirimidin dan indolozin. Penelitian ini bertujuan untuk mengidentifikasi senyawa Alkaloid fenolik dan non fenolik dari ekstrak daun sirsak. Daun si...

ABSTRACT Waste is the residue of an activity or the production process that can make the environment damaged, dangerous, and pollutied because of its nature and concentration. An important step in waste water treatment to produce clean water is the process of coagulation by the addition of coagulant. The jar test can be done to determine the optimu...

The activity of PT. X is in the manufacture of surfactants. The waste generated in that company consists of three types namely solid waste, liquid waste, and gas waste. The aims of this study is to treat the waste generated by company.The treatment of the liquid waste is performed in a waste water treatment plant by active sludge. Wastewater treatm...

In the industry area of Cibinong-Citeureup Bogor there has been an acid rain. One of the impact of acid rain is well water quality. About 75% people in this area consume well water for drinking.It was studied the acid rain impact ofnitrate (NO3-) and sulphate (SO4=) trend contain in well waters in the area of high acid rain intensity (pH<5,0).The a...

ilayah Cibinong-Citeureup terdapat banyak industri, berdebu, dan telah mengalami hujan asam. Salah satu dampak hujan asam adalah degradasi kualitas air sumur. Lebih kurang 75% penduduk di wilayah ini yang memanfaatkan air sumur sebagai air minum. Telah dipelajari distribusi dan dampak hujan asam terhadap peningkatan kadar Fe dalam air sumur. Monito...

Cibinong-Citeureup Bogor has been an acid rain distribution and that is one impact of acid rain is well water quality. About 75% people in this area consume well water for drinking and the acid rain condition, and make well waters trend high acid rain intensity (pH<5,0). The acidity of acid rain and well waters where monitored on 9 locations from t...

Generally, the air quality in the industrial districts indicates the increase of pollution due to the existence of gas emission coming from industrial and transportation activities. The type and the number of emission or air pollutant will depend on the type and or the quantity of industries located in respective district. In general, air pollutant...