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All Journal Abdimas UNWAHAS : Jurnal Pengabdian Masyarakat UNWAHAS Journal of Chemical Process and Material Technology
Laeli Kurniasari
Jurusan Teknik Kimia, Fakultas Teknik, Universitas Wahid Hasyim
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Engineering Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences

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PENGEMBANGAN USAHA SERABI DI NGAMPIN AMBARAWA Darmanto Darmanto; Agnes Budiarti; Laeli Kurniasari; Indah Hartati
ABDIMAS UNWAHAS Vol 1, No 1 (2016)
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/abd.v1i1.1706

Abstract

Salah satu jenis usaha yang terdapat di Wilayah Ngampin Ambarawa adalah usaha penjualan serabi khas Ngampin. Serabi Ngampin merupakan salah satu kuliner ikonik dari wilayah Ambarawa .Serabi Ngampin dijual di kios-kios yang terletak di tepi jalan raya Ambarawa-Jogya .Pengembangan wilayah berupa pembangunan jalan lingkar Ambarawa memberikan dampak terhadap menurunnya nilai usaha serabi Ngampin. Berbagai upaya perlu dilakukan untuk mengembangkan usaha serabi Ngampin. Kegiatan ini bertujuan meningatkan usaha serabi Ngampin melalui penerapan tungku bercerobong, perbaikan fisik kios dan pelatihan diversifikasi produk. Penerapan tungku bercerobong dilakukan melalui pabrikasi dan aplikasi tungku bercerobong. Perbaikan fisik kios dilakukan dengan memperbaiki dan meningkatkan sisi estetika dan fungsionalitas kios. Pelatihan diversifikasi produk dilakukan melalui pelatihan pembuatan serabi dengan varian rasa dan topping. Rangkaian kegiatan yang telah dilakukan telah berhasil meningkatkan kenyamanan pembeli serabi Ngampin, meningkatkan kondisi fisik kios serta memberikan wawasan dan ketrampilan pelaku usaha serabi dalam memproduksi produk diversifikasi serabi.Kata Kunci: ambarawa, ngampin, serabi, pengembangan usaha
Utilization of Activated Rice Husk Powder as a Methyl Orange Dye Adsorbent Vina Nafidzatul khasanah; Laeli Kurniasari; Indah Riwayati
Journal of Chemical Process and Material Technology Vol 2, No 2 (2023)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jcpmt.v2i2.8392

Abstract

Inefficient textile waste processing can pollute the environment and endanger the health of the adjacent community. Methyl orange is one of the most extensively used dyes in the textile industry. Various physical, chemical, and biological processes have been utilized to dispose of methyl orange residue. One of the basics is the adsorption method. This research was conducted to determine the adsorption capacity of activated rice husk powder as an adsorbent to reduce methyl orange content. The activation of rice husk powder also influences the decrease in methyl orange concentrations. The variables used are mass, contact time, and pH, and the adsorption isotherm model is determined. The results demonstrated a decrease in methyl orange concentration from the optimal mass variable of 8 grams, contact time of 60 minutes, and pH of 7, with an adsorption capacity of up to 89%. The adsorption isotherm equation is compatible with the Langmuir equation because the R2 value of 0.926% is closer to 1 than the Freundlich equation.Keywords: Adsorption, Activation, Adsorption Isotherm, Methyl Orange, Rice Husk Powder. 
Co-Authors Aqnes Budiarti Darmanto Darmanto Indah Hartati Vina Nafidzatul khasanah