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PENGARUH AKTIVASI BENTONIT DENGAN METODE ASAM DAN KOMBINASI ASAM-TERMAL TERHA…
Pencemaran lingkungan oleh logam berat merupakan masalah besar yang tidak hanya berdampak pada makhluk hidup, tapi juga mengganggu keseimbangan ekosistem. Sebagai bahan pencemar yang tidak dapat dihancurkan atau dimusnahkan, logam berat sangat berbahaya karena akumulasi di alam dan dalam tubuh organisme. Adsorpsi merupakan metode pengolahan alternatif untuk air limbah dalam menghilangkan logam …
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- xv, 90 hlm.; ilus.; tab, 29 cm
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- T1892942025
PRODUKSI DAN APLIKASI BIOCHAR DARI LIMBAH KULIT KAYU Eucalyptus pellita SEBAG…
Produksi biochar merupakan salah satu pendekatan pengelolaan limbah biomassa yang banyak digunakan melalui proses pirolisis dan berpotensi dimanfaatkan sebagai amandemen tanah. Limbah kulit kayu Eucalyptus pellita yang digunakan dalam penelitian ini diperoleh dari industri pulp dan kertas di Muara Enim, Sumatera Selatan, Indonesia, digunakan sebagai bahan baku. Biochar diproduksi melalui proses…
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- xv, 185 hlm.; ilus.; tab, 29 cm
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- T1894432025
REKAYASA SISTEM PENGADUKAN DALAM PROSES PRODUKSI GREEN CHEMICALS BERBASIS KAL…
Deep Eutectic Solvent (DES) based on K2CO3-Glycerol is promising as green chemicals due to its environmentally friendly, economical, and sustainable properties. However, homogeneity and eutectic point are difficult to achieve and there is no large-scale production standard. This study aims to assess the effect of stirring engineering (stirrer type and speed) on the preparation of K2CO3-Glycerol…
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- xii, 43 hlm.; ilus.; tab.; 29 cm.
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- T1842072025
APLIKASI KATALIS BERBASIS K2CO3 DARI TANDAN KOSONG KELAPA SAWIT UNTUK PRODUKS…
The application of K2CO3-based catalysts from oil palm empty fruit bunches (EFB) aims to utilize and process biomass waste. TKKS contains K2CO3 which is needed as a raw material for catalyst production. K2CO3 in TKKS is obtained by solid-liquid extraction (leaching) method. The potassium content in the TKKS ash and solids resulting from the extraction was evaluated using XRF (X-Ray Fluorescence…
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- xiii, 83 hlm.; ilus.; 29 cm
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- T51513312024
KINETIKA REAKSI TRANSESTERIFIKASI MINYAK JELANTAH MENJADI BIODIESEL MENGGUNAK…
This study analyzes kinetics of biodiesel transesterification using waste cooking oil as feedstock with a Deep Eutectic Solvent (DES) catalyst based on K₂CO₃–glycerol. The transesterification process was carried out at catalyst concentrations of 4,5%, 5,5% and 6,5% (w/w oil) and reaction temperatures of 45°C, 55°C and 65°C for 4 hours. The biodiesel properties analyzed included viscosi…
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- xvi, 112 hlm.; ilus.; tab.; 29 cm.
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- T1871572025
PEMBUATAN PEMBALUT LUKA HIDROGEL BERBASIS PVA/CMC DENGAN PENAMBAHAN MINYAK LA…
This study aims to develop a hydrogel wound dressing based on Polyvinyl Alcohol (PVA) and Carboxymethyl Cellulose (CMC) with the addition of black pepper oil (Piper nigrum L.) as a natural antibacterial agent. The hydrogel was made with varying concentrations of CMC (5%, 7.5%, 10%) and black pepper oil (0–40%) using citric acid as a crosslinking agent and gum arabic as a binder. Analysis was …
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- xiii, 63 hlm.; ilus.; tab, 29 cm.
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- T1871352025
MODIFIKASI KARBON AKTIF DARI CANGKANG SAWIT DENGAN NANO MAGNETIK Fe3O4 UNTUK …
Raw water is an important component as a source of drinking water. Economical, easy-to-implement, and regenerative treatment methods are essential to obtain clean water. In this study, activated carbon was synthesized from palm kernel shells using ZnCl₂ as an activator. The activated carbon was then modified with Fe₃O₄. The resulting activated carbon and activated carbon-Fe₃O₄ product…
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- xvi, 118 hlm.; ilus.; tab.; 29 cm.
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- T1868002025
REDUKSI POLUTAN AIR LIMBAH BATUBARA MENGGUNAKAN MORINGA OLEIFERA DAN CAMPURAN…
The wastewater treatment procedure for medium rank coal involves the use of coagulation,flocculation technology with bio coagulants to effectively lower the level of pollutants. This approach utilizes Moringa oleifera seed powder as the primary bio coagulant, along with papaya seeds (Carica papaya Linn) and (Ambon banana peel waste (Musa paradisiaca var) as a secondary bio coagulant, which is m…
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- xvii, 59 hlm.; ilus.; tab, 29 cm.
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- T1533002024
PRODUKSI BIOETANOL DARI SABUT KELAPA DENGAN METODE OZONOLISIS-HIDROLISIS-FERM…
Pemanfaatan sabut kelapa sebagai bioetanol merupakan solusi inovatif untuk mendapatkan nilai tambah dari limbah pertanian di wilayah sumatera selatan. Sabut kelapa memiliki kandungan lignin yang tinggi, sehingga memerlukan proses delignifikasi untuk meningkatkan ketersediaan selulosa yang dapat dihidrolisis. Penelitian ini bertujuan untuk menganalisis pengaruh waktu ozonolisis terhadap kadar li…
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- ix, 86 hlm.; ilus.; 29 cm
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- T1620412024
PENGARUH AKTIVASI BENTONIT DAN APLIKASINYA TERHADAP PENURUNAN KADAR LOGAM PAD…
Pencemaran logam berat seperti ion logam Cu²⁺, Fe³⁺, dan Pb²⁺ yang berasal dari aktivitas laboratorium telah menjadi isu lingkungan yang serius karena sifatnya yang toksik dan dapat terakumulasi secara biologis. Penelitian ini bertujuan untuk mengevaluasi efektivitas adsorpsi bentonit alami dan bentonit yang diaktivasi secara kimia menggunakan H₂SO₄, kemudian dilanjutkan dengan per…
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- xv, 138 hlm.; ilus.; tab.; 29 cm.
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- T1847092025
PRODUKSI GAS SINTESA BERBAHAN BAKU LIMBAH CANGKANG KELAPA SAWIT MENGGUNAKAN K…
The production of palm oil shell waste in the palm oil industry is increasing, but the utilization of palm oil shell waste has not been utilized optimally. Palm Oil Shells must be processed and utilized to reduce pollution and increase the use value of waste. This research aims to utilize palm oil shell waste using an Al/Cr metal pillared bentonite catalyst with a gasification process to produc…
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- xiii, 51 hlm.; ill.; tab.; 29 cm.
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- T1675452025
DESULFURISASI MINYAK DIESEL DIBAWAH IRADIASI RED VISIBLE LIGHT BERBANTUAN KAT…
Proses desulfurisasi konvensional membutuhkan bahan dalam jumlah besar. Hal ini menghadirkan tantangan yang signifikan untuk dikendalikan, yang keduanya berkontribusi pada biaya produksi yang lebih tinggi untuk bahan bakar diesel bersulfur rendah. Pemanfaatan sinar tampak merah, bentuk energi yang bersih dan ramah lingkungan yang dapat digunakan dalam kondisi operasi rendah, merupakan pengganti…
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- xix, 177 hlm., ilus., tab.; 29 cm
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- T1647362024
ANALISA EKSERGI DAN EXERGETIC SUSTAINABILITY INDEX PADA PACKAGE BOILER PT. PU…
Energy is one of the basic human needs. Economic growth and population growth in a country which continues to increase is directly proportional to the growth in energy needs required by society. Indonesia is the largest energy user in Southeast Asia, namely more than 36% of Southeast Asia's primary energy use. Utilization of the energy used will reduce the increase in production costs for an in…
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- xiii, 54 hlm.; ilus.; 29 cm
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- T1372422023
PENGOLAHAN LIMBAH CAIR KELAPA SAWIT DENGAN PROSES ELEKTROKOAGULASI, FILTER KA…
Palm oil mill effluent (POME) is a type of agro-industrial organic waste in the form of water, oil and organic solids originating from the by-products of the processing of fresh fruit bunches (FFB) of oil palm to produce Crude Palm Oil (CPO). Palm oil waste pollution can reduce environmental quality which will indirectly be harmful to the environment and human health. This research was conducte…
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- xviii, 69 hlm.; Ilus.; 29 cm
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- T1310282023
KINETIKA DELIGNIFIKASI BATANG PISANG YANG DIBERI PRAPERLAKUAN ALKALINE MICROW…
Banana stem waste is a source of lignocellulose biomass with high cellulose content and abundant availability in Indonesia. In this study will investigate the kinetics of delignification of banana stems given alkaline pretreatment and alkaline microwave-assisted. Banana stem waste is given preliminary treatment with the help of alkaline and microwave alkaline so that lignin levels contained in …
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- xiv, 66 hlm.; ilus.; 29 cm
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- T1366662023
PEMODELAN HIDRODINAMIKA CAMPURAN GLUKOSA-AIR DI DALAM FERMENTOR DENGAN CFD AN…
A fermentor is a device used in the fermentation process for bioethanol production. The development of computational technology has contributed significantly to understanding and optimizing fermentor performance. One of the approaches used is Computational Fluid Dynamics (CFD) analysis, which enables numerical simulations of fluid flow and mass transfer within the fermentor. CFD simulations on …
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- xiii, 75 hlm.; Ilus.; 29 cm
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- T1370442023
PENGOLAHAN AIR LIMBAH LABORATORIUM MENGGUNAKAN PROSES AOPs SECARA TERINTEGRAS…
Penggunaan bahan-bahan kimia dalam kegiatan praktikum ataupun penelitian di dalam laboratorium tentunya akan menghasilkan air limbah. Air Limbah yang dihasilkan dari laboratorium tergolong limbah berbahaya dan/atau beracun. Berdasarkan zat yang terkandung di dalam air limbah laboratorium secara kolektif dan dalam kurun waktu yang lama apabila dibuang langsung ke lingkungan akan mencemari lingku…
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- iv, 81 hlm.; ilus.; 29 cm
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- T849482022
PENGEMBANGAN KATALIS KALIUM GLISEROLAT UNTUK PROSES PRODUKSI BIODISEL BERKELA…
PENGEMBANGAN KATALIS KALIUM GLISEROLAT UNTUK PROSES PRODUKSI BIODIESEL BERKELANJUTAN Karya tulis ilmiah berupa Tesis, Agustus 2023 Desi Erisna, Dibimbing oleh Dr. Ir. Hj. Susila Arita, DEA dan Dr.Fitri Hadiah,S,T.,M.T Development of potassium glycerolate catalyst for sustainable biodiesel production process xvii + 77 halaman, 3 Tabel, 17 Gambar, 4 Lampiran RINGKASAN Pengembangan katalis yang ra…
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- xvii, 57 hlm.; ilus.; 29 cm
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- T1309362023
PENGGUNAAN BOTTOM ASH SEBAGAI ADSORBEN DALAM MENGOLAH AIR LIMBAH PULP AND PAP…
Pulp and Paper industry which has been growing rapidly does not only bring financial benefits but also has an impact on the environment due to the use of chemicals and other materials in production process. Therefore, it is necessary to possess an appropriate and economical wastewater treatment using one of the adsorbents, like bottom ash, produced by boilers in Pulp and Paper Industry to be us…
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- xvi, 60 hlm.; Ilus.; 29 cm
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- T987912023
KINETIKA HIDROLISIS ENZIMATIK SELULOSA BATANG PISANG YANG DIBERI PRA-PERLAKUA…
The banana stem waste holds immense promise as a readily available and abundant source of lignocellulosic biomass, making it a compelling alternative for biofuel and biochemical applications. Therefore, this study focuses on investigating the impact of both time and substrate loading on the enzymatic hydrolysis of banana stem cellulose that has undergone alkaline microwave-assisted pre-treatmen…
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- xv, 62 hlm.; ilus.; 29 cm
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- T1353222023
PRODUKSI BIODIESEL MENGGUNAKAN KATALIS BERBASIS K2CO3 DAN ABU TANDAN KOSONG K…
In this study, the transesterification of RBDPO into biodiesel was performed in batch mode at a reaction temperature of 65°C, with a stirring speed of 450 RPM, 30% (by weight) methanol, and 2% (by weight) K2CO3 catalyst. The research incorporated independent variables, including reaction time (60, 120, 180, and 240 minutes), and the addition of EFB ash to the K2CO3 catalyst (0%, 1%, and 2% by …
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- xvi, 71 hlm.; Ilus.; 29 cm
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- T1249772023
SINTESIS BIODIESEL MENGGUNAKAN KATALIS TANDAN KOSONG KELAPA SAWIT
In line with the increasing biodiesel production in Indonesia, the need for catalysts for transesterification is increasing. Potassium based catalysts are commercially widely applied in industry in the form of KOH and K2CO3 but these catalysts have weaknesses in the separation process. Solid catalysts from palm biomass can be developed into heterogeneous catalysts that are environmentally frien…
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- xv, 44 hlm.; ilus.; 29 cm
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- T903082023
PEMBUATAN BIODIESEL BERBAHAN BAKU MINYAK DARI AIR LIMBAH COOLING POND DENGAN …
While high production of palm oil improves the community’s economy, it has the potential to damage the environment because it produces wastewater containing quite a lot of residual oil. The wastewater caused by this production process flows into the cooling pond before it is further processed in aerobic and anaerobic ponds. The residual oil contained in the cooling pond can be collected and u…
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- xvi, 116 hlm.; ilus.; 29 cm
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- T583822021
SIMULASI PROSES DELIGNIFIKASI PADA DIGESTER DENGAN CFD ANSYS FLUENT 19.2 (INL…
Based on the pulp refinery data on October 2020, the total average of lignin content in the digester was about 20.5%. This high amount of lignin during the pulping process was due to the non-uniformity mixing between white liquor and lignin. Therefore, the objective of this research was to simulate delignification process in digester with two inlets white liquor using CFD Ansys 19.2. The variou…
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- xv, 41 hlm. : ilus. ; 29 cm
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- T524362021
PENYISIHAN COD, TDS DAN AMMONIA (NH3-N) PADA AIR TERPRODUKSI DENGAN KOMBINASI…
The activities of oil and gas industry have a potential to cause pollution for environment. This pollution can arise due to production process, petroleum processing, storage and industries that use petroleum. Produced water is the largest liquid waste generated by these activities. The number will increase as long as a field where exploration continues to produce. In this study, electrochemical…
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- xv, 75 hlm. : ilus. ; 29 cm
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- T524372021
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