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All Journal International Journal of Advances in Applied Sciences Reaktor Jurnal Penelitian Fisika dan Aplikasinya (JPFA) BAHASTRA Jurnal Bahan Alam Terbarukan JIPSINDO (Jurnal Pendidikan Ilmu Pengetahuan Sosial Indonesia) CHEMICA Jurnal Teknik Kimia English Review: Journal of English Education Ranah: Jurnal Kajian Bahasa Pendas : Jurnah Ilmiah Pendidikan Dasar Sains Natural: Journal of Biology and Chemistry Martabe : Jurnal Pengabdian Kepada Masyarakat NUSANTARA : Jurnal Ilmu Pengetahuan Sosial Jurnal Basicedu Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Jurnal Ilmiah Bina Bahasa Indonesia Berdaya Plusminus: Jurnal Pendidikan Matematika EDUTECH : Jurnal Inovasi Pendidikan Berbantuan Teknologi Journal of Oral Health Care Lingua Franca Jurnal Basicedu Jurnal Pendidikan Dasar Tadibia Islamika: Journal of Holistic Islamic Education Jurnal Rakat Sehat : Pengabdian Kepada Masyarakat Jurnal Intisabi Jurnal Terapis Gigi dan Mulut Jurnal Karya Generasi Sehat Implikasi: Jurnal Manajemen Sumber Daya Manusia Bulletin of Chemical Reaction Engineering & Catalysis JURNAL REKAYASA KIMIA & LINGKUNGAN JOECE: Journal of Early Childhood Education Jurnal Kesehatan Qamarul Huda Sawerigading

Siti Salamah

Program Studi Teknik Kimia, Universitas Ahmad Dahlan

Author-ID : 369016

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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KINETIKA REAKSI ESTERIFIKASI MINYAK BIJI KAPUK PADA PEMBUATAN BIODIESEL Salamah, Siti
CHEMICA: Jurnal Teknik Kimia Vol 1, No 1 (2014): Juni 2014
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (140.514 KB)

Biodiesel is one of the best solutions to overcomethe reduction of oil reserves by utilizing plant oils are converted into fuel.Kapok seed is one of the potential sources of raw materials that can be taken to be used as biodiesel. For the manufacture of biodiesel on a large scale is necessary to design the reactor, the reactor needs to design the data of reaction kinetics.This reaserch was conducted to determine the rate of reaction of biodiesel production. The process was Â by making kapok seed oil and analyzed the content of FFA, if FFA <2 then the esterification process is done.150 ml oil inserted in three neck flask and heated to temperature of 50 Â°C with water bath.While waiting for heating, 57 ml of techinical methanol 96 % was mixed with 1.25 grams KOH p.a and stirred for 60 minutes, then either mixing the solution with the oil heated with a water bath. The reaction temperature was maintainedÂ at 50oC with stirring speed of 600 rpm for 60 minutes. Inserting the solution into a separator funnel and left for 24 hours to form 2 layers.Separating the two layers.The top layer wasbiodiesel and the bottom layer was glycerol.Repeating step by step above with the variation of time Â 60, 75, 90, 105 and 120 minutes. For reaction temperature variable, the process carried out at temperatures 40 Â°C, 50 Â°C, 70 Â°C and 90 Â°C.The results of this reaserch were the water content of kapok seed is 4,07 % and FFA valuewas 4,8 % after lowered 1,56 %.Transesterification reaction conditions of oil and methanol mole ratio of 1 : 3, with the stirrer rotation speed of 600 rpm for 105 minutes and the reaction temperature of 90 Â°C gave the conversion of 0.916 mol (%).Transesterification reaction of kapok seed oil into biodiesel follows the first order reaction.The results of the analysis of biodiesel and the heat test, may indicate that it meets the criteria specified in the benchmark Indonesian Biodiesel Quality Standards (RSNI EB 020 551).

STUDI RINGKAS PEMEROLEHAN BAHASA PADA ANAK Salamah, Siti
BAHASTRA Vol 33, No 2 (2015): Bahastra
Publisher : Universitas Ahmad Dahlan

Language acquisition is an important part of a persons life. Language is a means of communication and social interaction that must be mastered an early by someone. Good capability in an early language mastery will support the quality of human life, especially in the social interaction aspect . Considering the importance of early language acquisition, child language acquisition is importance to be studied. This paper is presents a brief overview of language acquisition in terms of the ways and the stages of language acquisition in children. Furthermore, this paper is also presents the design and research methods into language acquisition.

Pemanfaatan Ekstrak Daun Mangga (Mangifera foetida L.) sebagai Penurun Asam Urat dalam Biji Melinjo Dewangga, Pramudia Bagus; Larasati, Ulys; Salamah, Siti
CHEMICA: Jurnal Teknik Kimia Vol 1, No 2 (2014): Desember 2014
Publisher : Universitas Ahmad Dahlan

Melinjo plants including the types of old plants. Uric acid is the final metabolisme result of purine, purine is one of the components of nucleic acids contained in the body of the cell nucleus. Gout disease to result from consume excessive of purine substances. This reaserch to reduce uric acid levels in seeds melinjo order melinjo seeds can be processed into refined products chips with low uric acid using blanching method from mango leaf extract.This research was making young mango leaf extract using distillate water as a solvent. Melinjo seeds that have been peeled after then process blanching is carried out using a preliminary heating at a temperature of less than 80-90 Â°C for 8 minute , using young mango leaf extract. Water immersion Melinjo is filtered, then analyzed in the Clinical Pathologyn Laboratory University of Gadjah Mada.This research was conducted with seed weight variable 10, 20, 30, 40, 50, 60 grams. Other variabels such as differences in the length of time 20,40,60,80,100,120 minutes. From the preliminary data showed that levels of uric acid in the melinjo seed is 222 mg / 100 g.The result of this research were the highest decrease in uric acid levels using variable melinjo seed weight 10 gr with immersion time of 30â is 17.86%. Using seed weight 10gr melinjo carried back to the old variable immersion study obtained results decreased levels of uric acid melinjo seed with most optimal immersion time is 100â with a decrease of 18.43989%.

Pemisahan Hasil Cair Pirolisis Sampah Plastik Pembungkus dengan Distilasi Batch Salamah, Siti; Aktawan, Agus
CHEMICA: Jurnal Teknik Kimia Vol 3, No 1 (2016): Juni 2016
Publisher : Universitas Ahmad Dahlan

Plastics waste has become a major issue for environment. Since it invented in 1907 plastic has become most used component on our daily lives. Plastic has many adavantages compared to other materials. In general plastic has a low density, light, varying strength and low manufacturing cost. However, plastic cannot degraded naturally and when not used anymore it will pollute the enviroment. One of method to degrade plastic is pyrolysis. In this method plastic will degrade to hydrocarbon which can used as liquid fuel. Pyrolysis of plastic occurs at high temperature of about 400 oC under free oxygen environment and produces small moleculer weight molecules. This research was conducted to determine the composition products of pyrolysis selective plastic at 450 oC in previous research. The method which used to separate products of pyrolysis is distillation with temperature between 50 oC to 240 oC to obtain liquid fuel as products of pyrolysis plastic. The results of this research were the distillate at 170 oC, 190 oC, 200 oC, 210 oC, 220 oC and 240 oC with volume 2 mL, 4,7 mL, 2,3 mL, 2,5 mL, 5,0 mL and 4,9 mL. And the most products component of pyrolysis plastic in previous research was obtain at 190 oC, 220 oC and 240 oC.

KARAKTERISTIK ARANG AKTIF DARI TEMPURUNG KELAPA DENGAN PENGAKTIVASI H2SO4 VARIASI SUHU DAN WAKTU Jamilatun, Siti; Salamah, Siti; Isparulita, Intan Dwi
CHEMICA: Jurnal Teknik Kimia Vol 2, No 1 (2015): Juni 2015
Publisher : Universitas Ahmad Dahlan

Activated charcoal is charcoal that has activated for increasing its surface area by opening the pores so that increase the adsorption power. The surface area of the activated charcoal is between 300 and 3500 m2/g. Adsorption power from activated charcoal is very large, i.e. Â¼ to 10 times the weight of activated charcoal. Activated charcoal is a good adsorbent for the adsorption of gases, liquids, and solution. Characteristics of activated charcoal which are moisture content, ash content, and absorption of the iodine. Manufacture of activated charcoal begins with soaking for 24 hours using 2N H2SO4 solution, after it was drained and then roasted to remove the remaining water. Moisture content test was doing by weighing 1 gram of activated charcoal and then put it ini the oven at 105-1100C temperature for 120 minutes. Ash content test was by weighing 1 gram of activated charcoal and put in the furnace at a temperature of 5000C for 30 minutes, raise the temperature to 8150C for 90 minutes. Determination of the absorption of iodine is to weigh approximately 0.5 gram of activated charcoal and mix with 50 ml of iodine solution 0,1 N. Shake it for 15 minutes. Take 10 ml of the sample solution and titrate with natrim thio sulfate solution 0.1 N. Adding amylum solution of 1% as an indicator to the titration result becomes colorless.Pada penelitian ini dihasilkan kondisi optimum pada suhu pengovenan 1000oC selama 60 menit. Arang aktif yang didapatkan pada kondisi ini memiliki kemampuan adsorbsi yang baik dengan kadar penyerapan iod yang tinggi sebesar 529,94 mg I2/gram arang.In this research produced the optimum conditions of oven temperature 10000C for 60 minutes. Activated charcoal obtained under these conditions has a good adsorption capability with high levels of iodine absorption of 529.94 mg I2/g charcoal.

Conversion of Biomass of Bagasse to Syngas Through Downdraft Gasification Maryudi, Maryudi; Aktawan, Agus; Salamah, Siti
Jurnal Bahan Alam Terbarukan Vol 7, No 1 (2018): June 2018 [Nationally Accredited]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v7i1.11621

National energy demand has been fulfilled by non-renewable energy sources, such as natural gas, petroleum, coal and so on. However, non-renewable energy reserves deplete increasingly which can cause an energy crisis. Conversion of biomass into energy becomes one of the solutions to overcome it. Indonesia has an enormous biomass potential especially from sugarcane plantation. Sugarcane plantations produce waste of bagasse abundantly. Commonly bagasse is utilized as energy source by conventional combustion.Ã‚Â This research studies the utilization of bagasse as energy source by gasification technology to produce gas fuel. The gasification model used in this research is downdraft gasifier equipped with cyclone to separate gas with solid or liquid gasification products. The result has shownÃ‚Â that gasification of bagasse has produced flammable syngas. The increase of bagasse weight increases the amount of syngas of gasification process. Carbon monoxide is the greatest content of syngas, while a few amount of H2, CH4 are also detected. Bagasse through gasification process is very potential source of alternative energy, since it is derived from waste and a cheap material.

PELATIHAN TEKNOLOGI KIMIA TERAPAN PEMBUATAN SABUN CAIR CUCI PIRING, SABUN MANDI HERBAL DAN TEPUNG AMPAS KELAPA IBU-IBU ‘AISYIYAH RANTING PERUMNAS CONDONG CATUR, DEPOK, SLEMAN Salamah, Siti; Sulistiawati, Endah; Aktawan, Agus
Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Vol 1, No 2 (2017)
Publisher : Universitas Ahmad Dahlan, Yogyakarta

Usaha rumah makan skala menengah maupun sederhana berkembang sangat baik di area depok, sleman, yogyakarta dimana yogyakarta merupakan kota pelajar dan kota pariwisata. Banyaknya konsumen yang berasal dari mahasiswa dan wisatawan serta perlu terjaganya kebersihan terutama alat makan sehingga kebutuhan akan sabun cair semakin meningkat. Kebutuhan akan sabun mandi juga mengalami peningkatan terutama dari industri perhotelan dan losmen. Peningkatan kebutuhan akan sabun cair dan sabun mandi ini perlu dipahami oleh warga sekitar khususnya dan mengetahui cara membuatnya, dengan harapan dapat dikembangkan menjadi produksi skala rumah tangga (pemberdayaan ekonomi). Pengabdian masayarakat ini melatih kelompok ibu-ibu ‘Aisyiah perumnas condongcatur, depok. Ibu-ibu diberikan pemahaman tentang teknologi kimia terapan tentang pembuatan sabun cair cuci piring, sabun mandi herbal dan tepung ampas kelapa yang berkualitas. Sabun cair terbuat dari texapon, sodium sulfat, comperland, asam sitrat, EDTA, parfum, propilen glikol dan aquades yang dicampur, diaduk secara perlahan dan kontinyu. Sabun cair yang terbentuk dimasukkan dalam botol-botol. Sabun mandi herbal terdiri dari NaOH, aquades, castor oil, minyak kelapa dan minyak zaitun dimana bahan–bahan tersebut dicampur sesuai prosedurnya. Sabun dibentuk dalam cetakan dan ditunggu hingga 7 hari agar saponifikasi terjadi. Tepung ampas kelapa dibuat dari ampas parutan kelapa yang telah diambil santannya, ampas kelapa tersebut disangrai sampai betul-betul kering lalu diblender sampai halus seperti tepung. Ibu-ibu sangat antusias mengikuti pelatihan yang menghasilkan sabun cuci piring 6 botol (volume 150 ml) dari 1 resep. Sabun mandi herbal, 1 resep bahan menjadi 12 buah sabun dengan ukuran diameter 3 cm. 1 kg kelapa parut akan diperoleh 500 gram tepung ampas kelapa berkualitas. Keywords: Sabun Cair, Sabun Mandi Herbal, Tepung Ampas Kelapa.

PENYULUHAN DAN PELATIHAN PEMANFAATAN SAMPAH ANORGANIK DAN ORGANIK MENJADI ECOBRICK DAN PUPUK CAIR ORGANIK Amelia, Shinta; Rahayu, Aster; Salamah, Siti
Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Vol 3, No 3 (2019)
Publisher : Universitas Ahmad Dahlan, Yogyakarta

Perkembangan populasi masyarakat Indonesia sedemikian pesat sehingga menimbulkan berbagai dampak baik positif maupun negative. Salah satu dampak negative yang ditimbulkan akibat pertumbuhan penduduk adalah sampah. Setiap rumah tangga menghasilkan sampah yang tidak sedikit jumlahnya. Beban pengelolaan sampah saat ini tergantung pada Tempat Pembuangan Akhir (TPA) di masing-masing daerah. Sehingga hal ini menimbulkan dampak sosial dan lingkungan yang cukup serius. Masalah sampah tidak hanya terdapat di wilayah perkotaan namun telah sampai pada wilayah pedesaan. Masyarakat pedesaan biasanya membuang sampah langsung ke sungai atau membakarnya di kebun mereka. Pola kebiasaan tersebut dapat menimbulkan pencemaran udara maupun lingkungan perairan. Oleh karena itu, pengabdian ini bertujuan untuk mengedukasi masyarakat agar dapat memilah sampah menurut jenisnya sehingga tahap selanjutnya sampah tersebut lebih mudah untuk diolah menjadi barang yang bernilai jual. Berdasarkan jenisnya sampah dibagi menjadi 2, yaitu sampah anorganik dan sampah organik. Sampah anorganik yang dihasilkan dalam rumah tangga antara lain, botol, plastik kemasan makanan maupun minuman. Sedangkan sampah organik yang dihasilkan rumah tangga seperti, sisa sayur, sisa buah maupun sisa makanan. Dalam pengabdian ini masyarakat diberikan penyuluhan dan pelatihan mengenai cara memilah dan mengolah sampah anorganik maupun organik. Sampah anorganik dioleh menjadi ecobrick sedangkan sampah organik diolah menjadi pupuk cair. Hasil pengabdian ini adalah dapat menambah wawasan dan merubah pola penanganan sampah di masyarakat agar lebih peduli terhadap kelestarian lingkungan. Selain itu teknologi sederhana dan ramah lingkungan sehingga masyarakat dapat mengaplikasikan langsung untuk mengolah sampah rumah tangganya secara mandiri.

The Characterization of Synthetic Zeolite for Hydrocracking of Waste Cooking Oil into Fuel Salamah, Siti; Aktawan, Agus; Mufandi, Ilham
Reaktor Volume 20 No.2 June 2020
Publisher : Dept. of Chemical Engineering, Diponegoro University

Zeolite A was used as hydrocracking catalyst to convert cooking oil into potential renewable fuels. The experiment was performed by characterize the diffraction, and pore properties the synthetic zeolite and it was confirmed the synthetic zeolite was zeolite A. The hydrocracking process of waste cooking oil was carried out in semi-fixed batch reactor system at 450Â° C for 2 hours, under the hydrogen flow of 20 ml/minute. The diffractogram and Si/Al ratio, 1.6, were matched to zeolite A properties, with the surface area, pore diameter, and pore volume were, 1.163 m2/g, 3.93 nm, and 0.001 cc/g, respectively. Liquid product from hydrocracking process of cooking oil consisted of 28.99% alkane and alkene 26.59% that are potential as renewable fuels.Keywords: waste cooking oil; zeolite A; hydrocracking

The Capability of Mangrove Charcoal in Adsorption Process of Indigosol Substance in Wastewater of Batik Industry Maryudi, Maryudi; Salamah, Siti; Rahayu, Aster
Jurnal Bahan Alam Terbarukan Vol 10, No 2 (2021): December 2021 [Nationally Accredited - Sinta 2]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v10i2.33351

The development of the textile industry has had a positive impact on economic growth in Indonesia. Batik is one of the products of the textile industry that is proliferating in Indonesia. Dyes are the main ingredients in the textile and batik industrial process. One of the dyes used is indigosol, and about 15% of the total dyes used will result in industrial liquid waste. The presence of these dyes can damage the water and soil ecosystems. Liquid sewage treatment is needed to minimize the amount of contamination against groundwater and surface water. A standard method used in the handling of liquid waste is by adsorption process with various adsorbents. Commonly used adsorbents are silica gel, activated alumina, zeolite, polymer, and activated carbon. Activated charcoal from mangroves becomes an alternative to natural adsorbents with a large surface area. The ability of activated charcoal as an adsorbent was the focus of this study, both by the activation process by Fe cations and the addition of hydrogen peroxide activators. Characterization using a UV-Vis spectrophotometer is performed to see changes in indigosol concentration during the adsorption process. Results have shown that charcoal with Fe and H2O2 give a better performance on adsorption of indigosol than pure charcoal. Removal of indigosol by charcoal + Fe and H2O2 can reach 51%.

Co-Authors Agus Aktawan, Agus Agustine, Mubiar Ahmad Bukhori, Ahmad Ahmad Taufiq Ahmad Ubaedi Fathuddin Aisy, Rihada Akbar, Machmul Alam Sani, Fajri Alwi, Ahmad Amelia, Shinta amperawati, metty Amperawati2, Metty Andes Fuady Dharma Harahap Andika Adinanda Siswoyo Ani Nur Aeni, Ani Nur Annida Miryadi, Devita Annur, Muhamad Sukhin Aprilianti, Alda Dwi Arrum Wijaya Bayani, Rizky Nurul Budiarti, Gita Indah Dadan Nugraha Danan, Danan Daulay, Delfina Delfriana Ayu Dewangga, Pramudia Bagus Dewi Sukma Dhias Cahya Hakika Diyani, Annisa Dodi Saputra, Muhammad Elman Efzi, Agno Endah Sulistiawati Evitasari, Rachma Tia Fadhila Tunissa, Izmi Fadillah, Anggun Fansurna, Anderi Habibah, Siti Sab’atul hafizatunnadia, hafizatunnadia Halimatussakdiyah, Halimatussakdiyah Hanum, Farrah Fadhillah Hasibuan, Nadia Hermanto Hermanto Herniawati, Ani Hidayatul, Alina Husein Nst, Ahmad Hussuludin, Muhammad Ida Rahmawati IDA RAHMAWATI Imam Santosa Indahsari, Indahsari Iskandar Safri Hasibuan islaminur, Alpina Isnaini Harahap, Fitri ISNAWATI Isnawati Isnawati Isparulita, Intan Dwi ISTIKHOMAH Kartini, Indriyana Khoiruddin Khoiruddin Khoiuruddin, Khoiruddin Kisworo Utami , Naning Kisworo Utami, Naning Larasati, Ulys Lestari Koto, Putri Mahbety, Ezia Rahma Marshanda, Tirza Martomo Setyawan Maryudi Maryudi Miftahul Jannah Mufandi, Ilham Mu`Thiya, Muhammad Khafi Nasution, Fery Endang Nisa, Hilwatun Nono Mulyono NURUL ANNISA Oxana, Oktian Prasetiyani, Desi Pratama, Rakha Priyatun, Inayah Pulungan, Darmasyah Pulungan, Nurpadilah Puspita Sari, Ika Putri, Lily Eka Rahayu, Aster Raheni Suhita Rahmadani, Refbry Novida Rahmadewi, Yunda Maymana Rahmadewi, Yunda Maymanah Rahmat Hidayat Rifai Sanuhung, Ahmad Rindu, Jihanita Riski Ananda, Ihwan rohayati rohayati Rosari, Maria Olivia Rumboy, Yuliva Sab'atul Habibah, Siti Said, Fahmi Sandi, Gunawan sari, anita maulidya Sari, Emilda Sari, Novila Satar, Ibdal SATRIYAS ILYAS Sauri Nasution, Sofyan Setya Wardhana, Budi Sihombing, Novi Silviyani Siregar, Sindi Simatupang, Juli Simatupang, Juliana Siti Jamilatun Siti Shalihah, Siti Sormin, Darlina Sri Hidayati Suhendra Suryandari, Meity Suryo Purwono Syaja'ah, Khoerun Nisa Tunissa, Izmi Fadhila Ulfah, Rasuna Vina Adriany Waljuni Astu Rahman Wega Trisunaryanti Wijayanti, Dedi Wiramanggala, Ayu Nabila Yadi Ardiawan Yanti, Maulida Yudha Satya Perkasa, Yudha Satya Yulianti, Jesika Yusril Pratama, Muhammad Yusuf Hidayat Zultiyanti, Zultiyanti

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