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All Journal Jurnal Inovasi Teknik Kimia Cakrawala: Jurnal Pengabdian Masyarakat Global
Tabita Vinesia Damai Yanti
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Social Sciences

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Desa Pekerja Bangunan: Pemberdayaan Masyarakat Menuju Desa Penghasil Pekerja Bangunan Profesional Dan Bersertifikat Dengan Pemasaran Jasa Online Di Kelurahan Gunungpati Agustinus Sungsang Nana Patria; Dwi Sulistiyawati; Brian Dwi Riswanto; Tabita Vinesia Damai Yanti; Wafik Nur Maulina; Adibah Sulistiyoningsih; Fariha Fatmawati Rini Nur Aini; Noor Mohammad Hatta; Immanuel Elang Artha Putra; Aleda Elly; Kevin Dwi Andriansyah; Wisnu Rahmat Penjawi; Akhmad Amiq Sauqi Adhim
Cakrawala: Jurnal Pengabdian Masyarakat Global Vol. 2 No. 4 (2023): Cakrawala: Jurnal Pengabdian Masyarakat Global
Publisher : Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/cakrawala.v2i4.1861

Abstract

The needs of construction workers play a very important role in society. However, based on the results of a survey of several construction workers from Gunungpati Village, problems were found such as never having received socialization and training, not having a craftsman skills certificate, lack of interest in learning and literacy among the residents, not really knowing the construction workers from Gunungpati Village and marketing of construction worker services is still conventional. To answer these problems, PPK Ormawa BEM Faculty of Engineering, University of 17 August 1945 Semarang implemented construction worker empowerment programs in the Gunungpati sub-district such as the "Construction Worker Socialization and Training" program, "Construction Worker Certification", construction of the "Construction Education House", "Gunungpati Building Cities” and “Marketing Online Construction Worker Services”. The results obtained from the implementation of the program were that 68 construction workers had received socialization and training, 10 construction workers had BNSP light steel applicator certificates, 28 construction workers had paint applicator certificates, a construction library was built, namely the Construction Education House, an increase in interest in learning from 33 % to 74%, increase in the level of recognition of construction workers from Gunungpati sub-district from 56% to 82%, marketing of online construction worker services using 3 social media, namely Instagram, Facebook and Whatsapp, and 10 construction workers have been ordered to construction companies. Apart from that, it produces a spirit of independence and awareness of the potential of society. Formation of construction workers' associations and collaboration between implementation teams, student organizations, universities, communities, sub-districts, departments, associations, construction companies and vendors.
KARAKTERISASI GELATIN BERBAHAN BAKU CANGKANG RAJUNGAN DENGAN PENGGUNAAN ASAM FOSFAT (H₃PO₄) Ahmad Shobib; Ery Fatarina P; Tabita Vinesia Damai Yanti
Jurnal Inovasi Teknik Kimia Vol. 10 No. 1 (2025)
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/inteka.v10i1.12553

Abstract

Cangkang rajungan merupakan limbah yang dihasilkan dari industri pengalengan rajungan dan menjadi limbah yang belum tertangani dengan maksimal. Oleh karena itu untuk meningkatkan nilai ekonomisnya, cangkang rajungan dijadikan sebagai bahan baku gelatin. Gelatin adalah derivat protein dari serat kolagen dari serat kolagen pada kulit, tulang, dan tulang rawan. Fungsi gelatin adalah sebagai pengemulsi (emulsifier) dan penstabil (stabilizer) dalam sistem emulsi. Tujuan penelitian ini adalah mengetahui variabel yang paling berpengaruh dari suhu, waktu, dan perbandingan ossein dan aquadest, mengetahui kondisi optimum dari variabel yang berpengaruh, mengetahui kondisi optimum dari variabel yang berpengaruh, mengetahui karakteristik gelatin yang diperoleh sesuai dengan standar mutu gelatin (SNI), dan mengetahui kemampuan gelatin yang dihasilkan sebagai emulsifier. Penelitian ini menggunakan metode experimental design two level untuk menguji variabelvariabel yang berpengaruh berupa suhuhidrolisis (A) 60°C dan 80°C, waktu hidrolisis (B) 4 jam dan 6 jam, dan perbandingan ossein : aquadest (C) yaitu 1 : 2 dan 1 : 4. Hasil penelitian ini menunjukkan bahwa suhu hidrolisis merupakan variabel yang paling berpengaruh,dengan persentase yield gelatin optimum sebesar 3,05% pada suhu 60°C. Gelatin yang dihasilkan pada suhu 60°C memiliki rendemen gelatin sebesar 1,23%, pH 6, viskositas 0,399 cPs, kadar air 16%, kadar abu 1%, dan berdasarkan FTIR gelatin cangkang rajungan, gugus fungsi yang dapat diidentifikasi adalah OH, C-H alkana, C=C alkena, C=C aromatik, dan C-N.
Co-Authors Adibah Sulistiyoningsih Agustinus Sungsang Nana Patria Ahmad Shobib Akhmad Amiq Sauqi Adhim Aleda Elly Brian Dwi Riswanto Dwi Sulistiyawati Ery Fatarina P Fariha Fatmawati Rini Nur Aini Immanuel Elang Artha Putra Kevin Dwi Andriansyah Noor Mohammad Hatta Wafik Nur Maulina Wisnu Rahmat Penjawi