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All Journal Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Kimia USU Jurnal Rekayasa Kimia & Lingkungan

Misran, Erni

Departemen Teknik Kimia, Universitas Sumatera Utara

Author-ID : 782111

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences

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PEMANFAATAN ASAP CAIR DARI PELEPAH KELAPA SAWIT UNTUK MENINGKATKAN KUALITAS BAHAN OLAH KARET PETANI KARET Seri Maulina; Erni Misran; Maya Sarah
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 2 No. 1 (2017): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

An effort in improving field latex quality has been conducted through community service activity for rubber farmers at Dusun Alur Hitam, Sekoci Village, Langkat Regency. The farmers generally use unrecommended coagulant such as fertilizer, extract of mengkudu or fern sap for coagulating their latex that can reduce the quality of rubber. The low quality of field latex, thus in turn reduce its selling price and income of farmers. Liquid smoke produced by pyrolysis of palm frond waste was proposed to be used as latex coagulant. Team of community service has designed and manufactured a pyrolysis reactor for this activity. The pyrolysis process produced brown liquid smoke with pH of 3 and a strong smoke smell. The produced liquid smoke can coagulate latex perfectly with the time needed were 2Â¢,25Êº; 3Â¢,21Êº and 4Â¢,29Êº at the ratio of liquid smoke to latex were 1:10, 1:15 and 1:20 respectively with the use of liquid smoke of 2 mL. The dry rubber content of latex reached 73.48%. Thus, the utilization of smoke liquid can improve the dry rubber content as high 20.48% since the rubber buyer agents only set the dry rubber content of 53%. The elongation at break (EB) of latex was in the range of 165.55% - 286.93%. it is necessary to increase the knowledge and skill of rubber farmers. In the future, the establishment of farmer group or cooperative at Dusun Alur Hitam should be encouraged so as to facilitate the farmers in selling their product

Business development for household scale liquid bath soap Maya Sarah; Erni Misran; Seri Maulina
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Increasing the population automatically increases the demand for soap which encourages the development of soap production both by large, medium industries and home industries (IRT). The use of liquid bath soap shows an increasing trend but is not followed by an adequate production rate. This shows a huge market opportunity for the production and marketing of liquid bath soap. For this reason, community service is carried out to one of the household scale soap producers, which is one of the darma to the community. The soap production process by Mitra is still carried out manually using a paint bucket and a large wooden stirrer. This results in inefficient processes and low production rates. The packaging of soap products produced by Mitra is still very simple, using used aqua bottles so the selling price is also cheap. Unattractive packaging is feared to make products from Partners unable to compete in the market. In addition, Partners still do not have a Business Plan even though research activities in the field of product development are always carried out by Partners. This dedication activity offers a solution to overcome the above problems through technology transfer for the manufacture of liquid bath soap in the form of equipment procurement, liquid soap soap processing methods, product quality inspection in the laboratory, packaging procedures, and business management including in the case of making a business plan that can support financial independence. The soap quality test results show that the density and free alkali parameters have met the SNI. The level of respondents' preference for the product was also very positive. The product also does not provide an irritating effect for the user

Proses Ekstraksi Asam Asetat dari Distilat Asap Cair Tempurung Kelapa Menggunakan Pelarut Etil Asetat Rory Faham Partogi Siregar; Erni Misran; Iman Tri Cahyadi
Jurnal Teknik Kimia USU Vol. 8 No. 2 (2019): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Coconut shell is one of the most widely found biomass in Indonesia. It has potential to be utilized as raw material in producing liquid smoke. Liquid smoke is a distillate from pyrolysis of biomass. The distillate contains various compounds including acetic acid. This research is important to understand the effect of combined distillation and extraction on liquid smoke purificatian in obtaining acetic acid. The variation of solvent to feed ratio (2:1, 4:1, 6:1, dan 8:1) and temperature of extraction (30, 50, dan 70 °C) to obtain yield, acetic acid content, pH, and density which is the best among those of possible variable given. The objective of distillation is to separate the components with high boiling points such as tar. The main purpose of extraction is acetic acid recovery in order to obtain higher content of acetic acid in extract. The solvent in the process of extracting acetic acid is ethyl acetate. GC-MS analysis was also performed on this research to show composition of acetic acid from liquid smoke, distillate, and extract, which are all the composition of polar organic are also shown.

Parameter Biokinetika dari Degradasi Limbah Kol dan Tomat Menggunakan Sistem Bioreaktor Anaerobik Maya Sarah; Erni Misran; Seri Maulina; Ika Pertiwi; Nahlionny Ritman; Isti Madinah Hasibuan; Ihut Parulian
Jurnal Teknik Kimia USU Vol. 10 No. 2 (2021): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

The world's energy supply is very dependent on non-renewable energy in the form of fossil fuels. This causes fossil fuels depletion and the need for alternative energy sources such as biogas. Biogas is produced from the fermentation process of organic matter with the help of anaerobic bacteria in free oxygen absence. This study aims to produce biogas from cabbage and tomato waste separately. Biogas production was carried out by varying feed concentrations of 100 g/L, 200 g/L, and 300 g/L for cabbage waste and 81.6 g/L; 215 g/L; and 237 g/L for tomato waste. This study consisted of 10 days seeding and acclimatization process, followed by a start-up stage using insulated anaerobic bioreactors. The largest methane from cabbage and tomato waste was 60% at a feed concentration of 200 g/L and 50% at a feed concentration of 237 g/L, respectively. The maximum growth rates (µm) for biogas from cabbage and tomato waste were 0.122 day-1 and 0.121 day-1, respectively.

Pemanfaatan Karbon Aktif dari Ampas Teh sebagai Adsorben pada Proses Adsorpsi β-Karoten yang Terkandung dalam Minyak Kelapa Sawit Mentah Erni Misran; Fery Panjaitan; Fahmi Maulana Yanuar
Jurnal Rekayasa Kimia & Lingkungan Vol 11, No 2 (2016): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Penelitian tentang penggunaan karbon aktif dari ampas teh sebagai adsorben telah dilakukan untuk mengadsorpsi β-karoten yang terkandung dalam minyak kelapa sawit mentah. Penelitian ini bertujuan untuk mendapatkan model isoterm dan kinetika yang sesuai untuk proses adsorpsi β-karoten di dalam CPO. Kajian isoterm dilakukan pada suhu 60°C menggunakan rasio karbon aktif terhadap CPO = 1:3, 1:4, 1:5, dan 1:6. Kajian kinetika dilakukan pada suhu 60°C, rasio karbon aktif terhadap CPO = 1:3 dimana sampel diambil dengan interval waktu pengambilan 2 menit hingga 120 menit. Hasil penelitian menunjukkan bahwa kemampuan karbon aktif dari ampas teh dalam menyerap β-karoten dari CPO ini sangat memuaskan yakni lebih besar dari 99%. Persentase adsorpsi β-karoten terbaik diperoleh pada rasio karbon aktif terhadap CPO = 1:3, yakni sebesar 99,61%. Model isoterm yang sesuai dengan data penelitian ini adalah model isoterm Freundlich. Sedangkan model kinetika yang sesuai adalah orde dua semu dengan nilai koefisien korelasi (R2) sebesar 0,996. Berdasarkan model kinetika tersebut diketahui bahwa laju penyerapan pada kesetimbangan adalah sebesar 3,5087 mg/g dan konstanta laju adsorpsi sebesar 0,0578 (L/menit).

Empowerment of Housewives Through Shibori Weaving Skills and Upgrading Knowledge Related to Dyes and Their Wastes Erni Misran; Maya Sarah; Seri Maulina
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 8 No. 1 (2023): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v8i1.9291

LKP Girly Mode is one of the non-formal educational institutions in the field of sewing skills. This LKP personnel has skills in making shibori tie dye weaving, but still has limitations in coloring and advanced techniques. Shibori is one of dyeing textile techniques that produce fabrics with various colors and patterns. On the other hand, there are many housewives who depend their family income only on their husbands and need skills that are useful to improve family welfare. The community service team of USU has provided 1 unit of obras machine and 2 additional units of sewing machine to LKP Girly Mode. The team has also carried out a workshop to improve the skills of 12 housewives around the LKP. They were trained to make patterned fabrics using the shibori tie dye technique which were then sewn to produce pillowcase products. The sewing machines that have been handed over, directly used at the workshop and useful to support the operational activities of partners. The results of the training are expected to improve skills that support the empowerment of housewives. In the workshop, the Team also introduce about dyes and simple handling of its waste. The team then treated the remaining fabric dye solution so that a clear solution was obtained that was safely discharged into the water without polluting the environment.

Co-Authors Fahmi Maulana Yanuar Fery Panjaitan Ihut Parulian Ika Pertiwi Iman Tri Cahyadi Iriany Isti Madinah Hasibuan Maya Sarah Maya Sarah Muhammad Dafin Ramadhan Muhammad Turmuzi Nahlionny Ritman Rory Faham Partogi Siregar Seri Maulina Seri Maulina

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