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All Journal JPM (Jurnal Pemberdayaan Masyarakat) Jurnal BIOEDUIN : Program Studi Pendidikan Biologi Equilibrium Journal of Chemical Engineering Jurnal Teknik Kimia Indonesia
Fadilah Fadilah
Universitas Sebelas Maret
Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Journal : Equilibrium Journal of Chemical Engineering

 1 
Karakteristik Kesetimbangan Adsorpsi Uap Air Film terbuat dari Karboksi Metil Glukomanan-Karagenan dengan Penambahan Gliserol Fadilah Fadilah; Ari Diana Susanti; Sperisa Distantina
Equilibrium Journal of Chemical Engineering Vol 4, No 1 (2020): Volume 4 No 1 July 2020
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v4i1.42918

Abstract

Abstrak. Plastik sebagai bahan pengemas mempunyai berbagai kelebihan namun tidak dipungkiri telah menyebabkan pencemaran terhadap lingkungan. Berbagai upaya untuk mengatasi pencemaran tersebut dan salah satunya adalah usaha menggantikan plastic dengan bahan yang ramah lingkungan. Edible film banyak diformulasikan dari berbagai bahan yang biodegradable. Polimer alam berbasis karbohidrat banyak dilirik sebagai sumber pembuatan film karena jumlahnya yang melimpah. Glukomanan merupakan polisakarida yang terdapat dalam umbi porang. Untuk pembuatan edible film, glukomanan dimodifikasi memjadi karboksi metIl glukomanan sebelum dicampur dengan karagenan. Sejumlah gliserol ditambahkan sebagai plastisizer. Pengamatan terhadap kesetimbangan adsorpsi uap air dilakukan dengan metode gravimetri pada kisaran kelembaban relatif 6,1 – 97%. Hasil menunjukkan bahwa film dengan konsentrasi gliserol yang lebih tinggi menunjukkan nilai kesetimbangan kandungan uap air yang lebih tinggi. Model kesetimbangan adsorpsi uap air yaitu persamaan Oswin digunakan untuk menggambarkan perilaku penyerapan air. Abstract. Various efforts have done to overcome the enviromental pollution and one of them is to replace plastic with environmentally friendly materials. Glucomannan is a polysaccharide found in porang tubers that can be a source for biodegradable edible film.. For the production of edible film, glucomannan was modified into carboxy methyl glucomannan before it was mixed with carrageenan. Glycerol was added as a plasticizer. The film was made by casting method. Gliserol was added to a mixed solution of carboxy methyl and carrageenan and then poured onto a mold before drying in an electrical oven. Observation of the equilibrium adsorption equilibrium was carried out by gravimetric method for different level of water activity (0.06 – 0.97) and temperature (30, 40 and 50 oC). The results showed that film with higher glycerol concentrations showed higher equilibrium moisture content. The equilibrium adsorption model, the Oswin equation, is used to describe the water absorption behavior with average error at 20,947 – 75,271%. Keywords: Carboxymethyl glucomannan-carrageenan film, water vapor equilibrium, Oswin equation.
Spons dari Tepung Glukomanan dengan Penambahan Charcoal Novita Novita; Nur Rahtiwi Anjarni; Fadilah Fadilah
Equilibrium Journal of Chemical Engineering Vol 3, No 2 (2019): Volume 3 No 2 December 2019
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v3i2.43106

Abstract

Abstrak. Telah dilakukan pembuatan spons dengan bahan dasar tepung glukomanan dengan penambahan charcoal. Pada percobaan ini dipelajari pengaruh dua jenis larutan alkali yaitu larutan Na2CO3 dan larutan NaOH terhadap karakteristik spons yang dihasilkan. Spons dibuat dengan cara melarutkan tepung glukomanan dalam air yang dilanjutkan dengan membusakan larutan dengan penambahan Sodium Laureth Sulfate (SLS) bersama-sama dengan penambahan charcoal. Larutan basa ditambahkan untuk membentuk gel basah. Spon kering diperoleh setelah proses thawing dan pengeringan dengan sinar matahari.Karakterisasi spons dilakukan dengan melihat rongga menggunakan mikroskop kamera serta menganalisis daya serap air, daya ekspansi spon basah serta nilai iod teradsorpsi. Spons yang dihasilkan mempunyai rongga dengan ukuran antara 0,1 mm sampai 0,25 mm. Spons dengan daya serap air dan daya ekspansi tinggi diperoleh pada penambahan larutan NaOH, massa charcoal yang ditambahkan sebesar 1gram serta ukuran charcoal +50-60 mesh. Sedangkan spons yang dihasilkan apabila menggunakan alkali berupa Na2CO3 dengan massa charcoal yang ditambahkan sebesar 0,5gram serta ukuran charcoal +60-70 mesh diperoleh diameter rata-rata rongga spons dan nilai iod teradsorpsi yang tinggi. Abstract. A sponge was made with a basic ingredient of glucomannan with the addition of charcoal. In this experiment, the effect of two types of alkaline solution i.e., Na2CO3 and NaOH, either the size and the amount of charcoal, were studied on the sponge's characteristics. The sponge was made by dissolving glucomannan flour in water. This step was followed by mixing the solution with Sodium Laureth Sulfate (SLS) and charcoal. The alkaline solution was added to form a wet gel. The dry sponge was obtained after thawing and sun drying. The sponge's characterization was done by observing the foam cavity using a camera microscope and analyzing water absorption, sponge expansion, and iodine adsorption. The sponge has cavities with a size between 0.1 mm to 0.25 mm. Sponges with water absorption and high expansion were obtained by adding NaOH solution, one gram of charcoal and the size of charcoal -50+60 mesh. Sponge produced using Na2CO3 with 0.5 gram charcoal with size - 60+70 mesh has a high diameter cavity and a high adsorbed iodine value. Keywords: glucomannan sponge, alkaline solution, charcoal
Glucomannan sponges: Effect of different amount of SLS and Sodium Hydroxide. Fadilah Fadilah; Shidiq Trianto; Tri Nova Prakoso
Equilibrium Journal of Chemical Engineering Vol 3, No 1 (2019): Volume 3 No 1 July 2019
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v3i1.42757

Abstract

Abstract.  An attempt to increase the economic value of porang flour was made by utilizing it for making of sponge. The sponge was made by direct foaming of glucomannan solution with the addition of SLS and NaOH. Dried sponge were obtained through freezing-thawing process followed by drying. The effect of amount of SLS and NaOH were investigated. It was found that increasing amount of SLS and NaOH made the cell size of the sponge smaller. While there was no tendency for swelling degree accordance to the various amount of SLS, the increasing amount of NaOH caused in increasing the swelling degree. Keywords: sponge, glucomannan, sodium laureth sulphate (SLS), sponge cell size, swelling degree.
Pemanfaatan Cangkang Biji Nyamplung sebagai Penghasil Resin untuk Mengatasi Permasalahan Limbah Padat di CV Plantanesia Dwi Ardiana Setyawardhani; Mujtahid Kaavessina; Fadilah Fadilah; Sperisa Distantina; Endang Kwartiningsih; Yoseph Calasanctius Danarto; Aida Nur Ramadhani
Equilibrium Journal of Chemical Engineering Vol 6, No 2 (2022): Volume 6, No 2 December 2022
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v6i2.66463

Abstract

ABSTRAK. CV Plantanesia merupakan industri penghasil minyak dari biji nyamplung (Calophyllum inophyllum) yang dikenal sebagai Tamanu oil. Minyak tersebut dijual sebagai bahan baku kosmetik untuk produk skin care dan obat tradisional seperti luka, penyakit kulit, rematik, minyak untuk urut maupun obat gatal. Produksi Tamanu oil menghasilkan limbah hasil pengepresan minyak dari bijinya yang berupa bungkil/ampas biji dan cangkang/kulit buah nyamplung. Limbah tersebut dihasilkan dalam jumlah besar dan belum dimanfaatkan sehingga hanya dibuang sebagai sampah dan dibakar. Cangkang biji nyamplung mengandung resin senyawa fenolik yang memiliki sifat antioksidan, anti inflamasi, anti kanker, dan anti mikroba sehingga dapat dimanfaatkan untuk pengobatan Tujuan pengabdian pada masyarakat ini adalah memberikan pelatihan pengolahan limbah pengepresan minyak biji nyamplung, khususnya cangkang biji dan pengolahannya untuk menjadi resin. Kegiatan ini dilakukan di CV. Plantanesia yang berlokasi di Tasikmadu, Kecamatan Jaten, Kabupaten Karanganyar. Pelatihan diberikan dalam bentuk penyuluhan, diskusi dan pelatihan pengambilan (ekstraksi) resin dari cangkang nyamplung. Proses ekstraksi resin dari cangkang nyamplung dan pengaturan kondisi optimal ekstraksi dilakukan terlebih dahulu melalui percobaan pendahuluan di Laboratorium Program Studi Teknik Kimia FT UNS. Hasil percobaan tersebut digunakan sebagai materi pelatihan. Penyampaian materi dilakukan melalui kunjungan, penyuluhan dan pelatihan pada pelaku usaha khususnya CV Plantanesia. Materi penyuluhan dikemas dalam modul dan dipraktekkan secara langsung di lokasi CV. Dari kegiatan ini, mitra memperoleh peningkatan wawasan akan pemanfaatan cangkang biji nyamplung. Produk resin yang dihasilkan diharapkan dapat bermanfaat sebagai produk samping yang bernilai jual tinggi untuk meningkatkan pendapatan bagi pelaku usaha, sekaligus dapat mengatasi masalah limbahnya. Kata kunci: cangkang biji nyamplung, resin, tamanu oilABSTRACT. CV Plantanesia is a home industry that produces nyamplung (Calophyllum inophyllum) seed oil known as Tamanu oil. The oil is usually used for skin care products and traditional medicines such as wounds, skin diseases, rheumatism, massage oil and itching medicine. Tamanu oil production leaves solid waste from the pressing process, which is cake/seed dregs and shells/skin of nyamplung fruit. This waste is generated in large quantities and has not been utilized, so it is only disposed of as garbage or just burned. Nyamplung seed shells contain resin phenolic compounds which is used as antioxidant, anti-inflammatory, anti-cancer and anti-microbial properties. It can be used for medical treatment. This project aims to provide training on processing waste nyamplung seed oil, especially the seed shells and their processing to become resin. This activity is carried out at CV. Plantanesia which is located in Tasikmadu, Jaten, Karanganyar. The project was implemented in various activities, such as counseling, focus group discussions and workshop for extracting resin from nyamplung shells. The resin extraction and optimization process condition were developed at the Chemical Engineering Laboratory, Faculty of Engineering, Sebelas Maret University. The experimental results are implemented in the workshop at the industry. From this activity, partners gain increased insight into the use of nyamplung seed shells. The resin product is expected to be useful as a high value by-product to increase the benefit of the industry, as well as to overcome the waste problem.Keywords: nyamplung seed shell, resin, tamanu oil
Microencapsulation of Garlic Oil with Gelatin and Maltodextrin Encapsulant Using the Coacervation Method Elisa Fitriyani; Anastasia Devina Damayantia; Listia Aulia Ruwaidaha; Shifa Annisa Nabila; Fadilah Fadilah
Equilibrium Journal of Chemical Engineering Vol 7, No 1 (2023): Volume 7, No 1 July 2023
Publisher : Program studi Teknik Kimia UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/equilibrium.v7i1.64248

Abstract

ABSTRACT.  Garlic Oil is widely used as a raw material for fragrances with volatile active compounds at room temperature. It is easily affected by environmental changes and this problem can be solved by microencapsulation using coacervation methods to protect active compounds. Garlic Oil was encapsulated using gelatin and sodium alginate as coating materia with glutaraldehyde as the crosslinking agent. The purpose of this research was to study the effect of the composition of polymers and the mass of garlic oil on encapsulation characteristics. The resulting microcapsules were analyzed using a digital microscope, SEM, FTIR, and encapsulation efficiency. The result showed that microcapsules have an irregular shape with a textured surface. The FTIR spectrum showed an indication of garlic oil with allicin content in microcapsules. The encapsulation efficiency is  34.23%  with a yield of 29.43%.Keywords: microencapsulation, coacervation, garlic oil
Co-Authors Aida Nur Ramadhani Anastasia Devina Damayantia Ari Diana Susanti Chandra Adi Prabowo Dwi Ardiana Setyawardhani Elisa Fitriyani Endang Kwartiningsih Listia Aulia Ruwaidaha Muhammad Cahyadi Mujtahid Kaavessina Novita Novita Nur Rahtiwi Anjarni Paryanto Paryanto Shidiq Trianto Shifa Annisa Nabila Solikhah Isti Sperisa Distantina Titis Wida Dewi Amarta Tri Nova Prakoso Yoseph Calasanctius Danarto