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All Journal International Journal of Renewable Energy Development JURNAL TEKNOLOGI LINGKUNGAN BERKALA SAINSTEK Indonesian Journal of Chemistry Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Indonesian Chimica Letters al Kimiya : Jurnal Ilmu Kimia dan Terapan
Busroni, Busroni
Jurusan Kimia, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Jember
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Energy Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health

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Bioelectricity Generation From Single-Chamber Microbial Fuel Cells With Various Local Soil Media and Green Bean Sprouts as Nutrient Mulyono, Tri; Misto, Misto; Busroni, Busroni; Siswanto, Siswanto
International Journal of Renewable Energy Development Vol 9, No 3 (2020): October 2020
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2020.30145

Abstract

In this experiment, seven single-chamber microbial fuel cells (MFCs) were made and filled with various types of local agricultural soil and sediments found in irrigation channels, which were mixed with glucose and green bean sprouts mashed as nutrients for microbial survival. MFC electric power was measured every day for 35 days. Every time low electric power indicated weak microbial activity, green bean sprouts were added. The highest electric power of 118 µW (23.4 mW/m2) was observed in fuel cells filled with agricultural land planted with rice. Power density reached the range of 120–140 mW/m2, whereas the incubation time showed a maximum of 35 days. This study found that adding green bean sprouts can increase the length of the MFC cycle and strengthen the generated power up to 122 mW. 
Adsorption of Pb(II) on Calix[4]arene Derivatives: Kinetics and Isotherm Studies Busroni Busroni; Dwi Siswanta; Jumina Jumina; Sri Juari Santosa; Chairil Anwar
Indonesian Journal of Chemistry Vol 22, No 6 (2022)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.70665

Abstract

This study aims to investigate the application of two calix[4]arene derivatives named 5,11,17,23-tetra-(t-butyl)-25,26,27,28-tetrahydroxycalix[4]arene (TBCA) and 5,11,17,23-tetra-(t-butyl)-26,27,28-tribenzoyloxycalix[4]arene (TBMTCA) as adsorbents of Pb(II) from aqueous solution in a batch system. Adsorption was carried out by varying pH solution, exposure time, and concentration. The kinetics was evaluated based on the adsorption in various exposure times using the Lagergren and Ho equations, while the isotherms were analyzed based on the adsorption in various Pb(II) concentrations using the Langmuir and Freundlich equations. Furthermore, the isotherm model showed the Pb(II) adsorption of TBCA and TBMTCA followed Langmuir model with a capacity of 137.29 and 128.46 mg/g, respectively. Based on the adsorption capacity, both adsorbents are the potential for the removal of heavy metal cations from polluted water.
Pengaruh Variasi pH pada Penjerapan Kation Fe3+, Pb2+ Menggunakan Senyawa 5,11,17,23-tetra-(t-butil)-25,26,27,28-tetra-Hidroksi-Kaliks[4]arena sebagai Adsorben: Kajian Kapasitas Adsorpsi: Effect of pH Variations on Adsorption of Fe3+, Pb2+ Cations Using 5,11,17,23-tetra-(t-butyl)-25,26,27,28-tetra-Hydroxy-Calix[4]arene Compounds as Adsorbents: Adsorption Capacity Study BUSRONI BUSRONI; CHAIRIL ANWAR; DWI SISWANTA
Jurnal Teknologi Lingkungan Vol. 23 No. 1 (2022)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (474.395 KB) | DOI: 10.29122/jtl.v23i1.4962

Abstract

ABSTRACT Efforts to reduce the concentration of heavy metal cations in the environment have become a matter of concern due to their potential impact and widespread pollution in the waters. This study aims to examine the adsorption capacity of Pb(II) and Fe(III) cations using 5,11,17,23-tetra-(t-butyl)-25,26,27,28-tetra-hydroxycalix[4]arene compounds (TBKA) with various pH variations. The synthesis product of TBKA was characterized using FTIR and 1H-NMR spectroscopy. TBKA has functioned as an adsorbent or pollutant absorbent for Pb(II) and Fe(III) cation with an immersion system. The results showed that variations in pH affect the adsorption capacity of the adsorbent TBKA on Pb(II) and Fe(III) cations. The adsorption capacity of the adsorbent of TBKA on Pb(II) cations at pH 2; 3; 4; 5; and 6 was 6.32; 2.16; 4.14; 10.52; and 2.88 mg/g, respectively, while the adsorption capacity of TBKA on Fe(III) cations at pH 1.5; 3; 4; 5 and 6 was 8.4; 13.32; 11.6; 14.18; and 6.66 mg/g, respectively. Keywords: TBCA, Batch system, pH variations, Adsorption capacity   ABSTRAK Upaya untuk mengurangi konsentrasi kation logam berat di lingkungan telah menjadi perhatian sehubungan dengan dampak yang dapat ditimbulkan dan masih adanya pencemaran logam berat di perairan. Penelitian ini bertujuan untuk mengkaji kapasitas adsorpsi kation Pb(II) dan Fe(III) menggunakan senyawa 5,11,17,23-tetra-(t-butil)-25,26,27,28-tetra-hidroksikaliks[4]arena (TBKA) dengan berbagai variasi pH. Karakterisasi hasil sintesis TBKA dilakukan dengan menggunakan spektroskopi FTIR dan 1H-NMR. TBKA difungsikan sebagai adsorben atau penjerap polutan kation Pb(II) dan Fe(III)  dengan sistem perendaman. Hasil penelitian menunjukkan bahwa variasi pH berpengaruh terhadap kapasitas adsorpsi daya jerap antara adsorben TBKA terhadap kation Pb(II) dan kation Fe(III).  Kapasitas adsorpsi daya jerap antara adsorben TBKA terhadap kation Pb(II) pada pH 2; 3; 4; 5; dan 6 secara berturut turut adalah 6,32; 2,16; 4,14; 10,52; dan 2,88 mg/g, sedangkan kapasitas adsorpsi terhadap daya jerap antara TBKA terhadap kation Fe(III) pada pH 1,5; 3; 4; 5 dan 6 secara berturut turut adalah 8,4; 13,32; 11,6; 14,18; dan 6,66 mg/g. Kata kunci: TBKA, Rendam, Variasi pH, Kapasitas adsorpsi
Protein Adsorption on Modified Bacterial Cellulose Piluharto, Bambang; Sulistyowati, Fitri; Indarti, Dwi; Busroni, Busroni
Computational And Experimental Research In Materials And Renewable Energy Vol 3 No 1 (2020): May
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/cerimre.v3i1.26413

Abstract

The protein adsorption was interesting study, especially in the biological fluidic application. In the present study, we study the protein adsorption behavior on the bacterial cellulose and modified bacterial cellulose. In here, bacterial cellulose was modified by acid hydrolysis using hydrochloric acid. The contact time and pH were used as variable to study protein adsorption behavior on the modified bacterial cellulose. As the results, based on functional group analysis, there are not different between bacterial cellulose and modified bacterial cellulose. However, after modification, there was increasing of crystallinity of bacterial cellulose from 84.5% to be 87.7%. In the protein adsorption study, increasing the contact time increase percent adsorption until contact time of 90 minutes, however the further contact time relatively constant. The protein adsorption on both of bacterial cellulose and modified bacterial cellulose decreases, following the increase of pH.
The Study Redox Catalytic of KARES@PdNPs Using Formic Acid Busroni, Busroni; Yudi Aris Sulistyo; Donatus Setiawan Purwo Handoko; Novita Andarini
Indonesian Chimica Letters Vol. 3 No. 1 (2024)
Publisher : Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/icl.v3i1.443

Abstract

This study aims to synthesize Calixresorcine material and KARES@PdNPs nanoparticles as catalysts to support the synthesis of PdNP nanoparticles. The process of interaction of the hydroxy groups with palladium (II) cations led to a significant decrease and increase in the quality of the nanoparticles and could increase the specific quality of KARES@PdNPs nanoparticles and increase the catalytic activity of KARES@PdNPs with a very high number of PdNPs. Thus, the KARES@PdNPs is very suitable and shows a very efficient catalytic ability in the redox reaction process.
Sosialiasasi dan Implementasi TTG Produksi Pupuk Cair Organik di Desa Banjar Sengon Reza, Muhammad; Sjaifullah, Achmad; Busroni, Busroni; Rahmawati, Istiqomah; Khotimah, Husnul; Ridho, Moh Zeinur; Robaniyah, Septiana Kholifatur; Fitriati, Diana
Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Vol 7, No 3 (2024): Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstormin
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/japhb.v7i3.6927

Abstract

Ketergantungan masyarakat terhadap penggunaan pupuk kimia menyebabkan turunnya produktivitas tanah. Guna mengurangi kerusakan lingkungan diperlukan penyeimbangan penggunaan pupuk kimia dengan pupuk organik. Bahan yang berpotensi untuk digunakan dalam pembuatan pupuk organik adalah limbah pertanian, salah satunya pemanfaatan limbah kulit buah kakao. Kulit buah kakao memiliki kandungan hara berupa C-organik yang tinggi yakni sekitar 26,61%. Dalam pembuatannya diperlukan teknologi tepat guna dan dukungan dari masyarakat untuk menjamin produksi yang berkelanjutan. Kegiatan ini bertujuan untuk mengembangkan teknologi tepat guna dalam produksi pupuk organik cair sehingga dapat dimanfaatkan masyarakat untuk meningkatkan efektivitas produksi baik secara kualitas maupun kuantitas. Kegiatan pengabdian dikemas dalam bentuk sosialisasi untuk memberdayakan kader PKK di Desa Banjar Sengon, Kecamatan Patrang, Kabupaten Jember terkait proses pengolahan limbah kulit buah kakao menjadi pupuk organik cair. Produksi POC dari limbah kulit buah kakao diharapkan mampu meminimalisir jumlah limbah kulit buah kakao dan menjadi langkah sederhana dalam upaya mewujudkan pertanian berkelanjutan dengan mengurangi ketergantungan terhadap pupuk kimia serta membuka peluang baru dalam sektor ekonomi lokal.Kegiatan workshop sangat menjadi parameter, dimana 90% dari kegiatan yang dilakukan membuat warga menjadi lebih paham dan andal dalam mengolah limbah kulit kakao menjadi pupuk organik cair. Warga juga aktif bertanya dan memberikan ide-ide penggunaan alat tersebut untuk limbah sejenis sehingga penggunaan TTG dapat maksimal.
Synthesis and Characterization of Bacterial Cellulose-Polyaniline Composite with Variation of Dopant Concentration Ummami, Riza; Busroni, Busroni; Piluharto, Bambang
BERKALA SAINSTEK Vol 9 No 2 (2021)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v9i2.18120

Abstract

Polyaniline is a type of conductive polymer. Bacterial cellulose has high mechanical properties, so it can be made into polyaniline base composite materials. A stable form of polyaniline oxidation at room temperature is emeraldine base. The emeraldine base has a conductivity value of 10-6 S/cm. Dopants can change the shape of emeraldine base to emeraldine salt by protonation process. Emeraldine salt is a conductive form of polyaniline. The conductivity value of emeraldine salt is 0,03-0,07 S/cm. The addition of dopan in synthesis of polymer was carried out to determine its effect on the conductivity value. The disadvantage of polyaniline is that its mechanical properties are weak and easily brittle. Modifications are needed to improve the mechanical properties of polyaniline, one of which is the manufacture of composite. Bacterial celluloce has high mechanical properties so it can be made into polyaniline base composite materials. Synthesis of bacterial cellulose-polyaniline composites by in situ chemical polymerization methods. Syntehsis is started with BC membrane was dipped into aniline solution for about 2h with stirring at room temperature. The BC was immersed into ammonium peroxydisulfate solution for about 30m with stirring. The bacterial cellulose-polyaniline compositions obtained are black color which is characteristic of the emeraldine salt. The highest conductivity value of composite was obtained from the addition of 3,5M HCl dopant which was 4,70x10-4 S/cm. FTIR analysis of composite obtained peak of the characteristic polyanilin was conductive at 1565,92 cm-1 as C=C quinoid ring and 1442,95 cm-1 as C=C benzoid ring.
Modifikasi Kitin Hasil Isolasi Autolisis Dari Limbah Udang Putih (Litopenaeus vannamei) Dengan Anhidrida Maleat Pratiwi, Chanifah Dwi Happy; Busroni, Busroni; Sjaifullah, Achmad
BERKALA SAINSTEK Vol 8 No 2 (2020)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v8i2.14223

Abstract

Limbah udang banyak mengandung protein, mineral dan kitin sehingga dapat dijadikan sebagai sumber kitin. Kitin pada limbah udang dapat diisolasi secara kimiawi dan enzimatis. Isolasi secara kimiawi memberikan dampak yang kurang baik terhadap lingkungan karena penggunaan bahan-bahan kimia untuk mengisolasi kitin tersebut akan menghasilkan limbah yang dapat mencemari lingkungan. Oleh karena itu isolasi kitin dilakukan secara enzimatis autolisis untuk mengurangi penggunaan bahan kimia dengan menggunakan enzim protease yang terdapat dalam limbah udang itu sendiri dengan cara di-blender dan diinkubasi selama 10 hari pada pH 2 menggunakan asam fosfat. Kitin hasil isolasi mengandung kadar N 6,6 % pada hari terakhir inkubasi. Kitin yang diperoleh diturunkan menjadi kitin maleat dengan memanaskan kitin dan anhidrida maleat pada fase padat pada suhu 120o C dalam waktu 3,5 jam. Modifikasi kitin menjadi kitin maleat digunakan untuk meningkatkan sifat hidrofilistas kitin. Karakterisasi FTIR dari kitin yang dimodifikasi dengan anhidrida maleat menunjukkan terbentuknya gugus fungsi baru yaitu ikatan ester yang ditunjukkan oleh vibrasi dari –C=O ester pada bilangan gelombang 1712 cm-1. Uji peningkatan hidrofilisitas dilakukan melaui uji daya serap air untuk mengetahui kemampuan kitin maleat dalam menyerap air. Kitin mempunyai daya serap air 0,97g/g sedangkan kitin maleat yaitu 2,78g/g. Gugus karboksilat (-COOH) yang terikat pada kitin maleat yang menyebabkan meningkatnya kemampuan daya serap air kitin maleat karena adanya gugus karboksilat (-COOH) yang bersifat hidrofilik.
Effect of Synthesis Condition on Degree of Deacetylation of Chitosan from Shrimp Waste for Smart Film Applications Reza, Muhammad; Gailani, Jauhairiyah; Susanti, Tria; Zuhro, Syarifa Aminatuz; Sjaifullah, Achmad; Busroni, Busroni; Rahmawati, Istiqomah
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol 11, No 1 (2024): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v11i1.30933

Abstract

Shrimp is an Indonesian’s export commodity with high economic value increasing every year. Usually, shrimps are exported in the form of frozen shrimp without shells, heads, tails, and entrails. It resulted in the accumulation of shrimp waste leading to the increasing environmental pollution. Shrimp waste contains high contents of chitin which can be processed to a chitosan owing several benefits. The purpose of this study is to determine the optimum condition of the synthesis of chitosan from chitin isolated by the autolysis method. The deproteination was carried out by soaking the shrimp waste in an acidic solution (pH 2 – 3) for 10 d. The demineralization process was done by reacting the deproteinated solids in a hydrochloric acid solution at pH 0 – 1 for 24 h. Parameters varied in this study time (1 – 3 h), chitin to NaOH ratio (1:10 – 1:30 (w/v)), and temperature (60 – 120℃). The higher all parameters used, the higher the obtained degree of deacetylation (DD) which is in the range of 18.35±1.13 to 48.6±0.51%. On the other hand, the obtained yield decreased from 50.66±1.98% to 47.78±0.81%. The optimum condition was obtained at a synthesis temperature of 120℃, chitin to NaOH ratio of 1:20 g/mL, and time of 3 h producing chitosan with DD of 54.25 ± 2.27%, and yield of 47.7 ± 0.65%. Chitosan synthesized using optimum conditions produced a relatively homogeneous thin film. Polyaniline was then introduced to the film to obtain a smart film prototype. This smart film was able to detect the pH changes proven by the change in its color. The smart film also could be potentially used as a “smart pack” for detecting product decay which releases ammonia gas.
Co-Authors Achmad Sjaifullah Bambang Piluharto CHAIRIL ANWAR Chairil Anwar Donatus Setiawan Purwo Handoko Dwi Indarti Dwi Siswanta DWI SISWANTA Fitriati, Diana Gailani, Jauhairiyah Heni Pujiastuti Istiqomah Rahmawati Jumina Jumina Misto Misto Muhammad Reza Novita Andarini Pratiwi, Chanifah Dwi Happy Ridho, Moh Zeinur Robaniyah, Septiana Kholifatur S Siswanto Sri Juari Santosa Sulistyowati, Fitri Susanti, Tria Tri Mulyono Ummami, Riza Yudi Aris Sulistyo Zuhro, Syarifa Aminatuz