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All Journal J@TI (TEKNIK INDUSTRI) Astonjadro Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Indo-MathEdu Intellectuals Journal Sabangka Abdimas Jurnal Pengabdian Masyarakat Sabangka
Aldy Maulana, Aldy
Industrial Engineering Departement Diponegoro University Jl. Prof. Sudarto, SH Tembalang Semarang 50239 Telp. 0247460052
Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Mathematics Social Sciences Other

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PENENTUAN KOMPOSISI OPTIMUM BUBURAN KERTAS KRAFT LINER 150 GSM MENGGUNAKAN METODE MIXTURE EXPERIMENT (Studi kasus: Pabrik Pulp & Paper PT.Z) Saragih, Johnson; Maulana, Aldy
J@ti Undip : Jurnal Teknik Industri Volume 10, No. 3, September 2015
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (989.97 KB) | DOI: 10.12777/jati.10.3.169-178

Abstract

Tujuan dari penelitian ini adalah bagaimana caranya memilih komposisi dari campuran buburan kertas sehingga posisi optimum dapat tercapai, dengan tercapainya komposisi optimum tersebut diharapkan dapat  meningkatkan kualitas kertas yang diproduksi.Adapun komposisi buburan kertas yang ingin dicapai adalah  konsistensi sebesar untuk campuran ,pada campuran satu, tingkat freeness sebesar pada campuran dua dan tingkat internal bonding sebesar   pada campuran tiga. Percobaan dilakukan dengan metoda mixture experiment untuk sampel percobaan buburan kertas sebanyak 500 gr. Titik percobaan dibangkitkan dengan software minitab sebanyak 14 titik percobaan.Adapun komposisi campuran yang optimal diperoleh untuk total campuran diperoleh sebesar 71.23 % ( 356.15 gr) Waste Paper, 8.72% (43.55gr) Pulp (NUKP), 3.54% (17.7 gr) Air, 5.7%(28.5 gr) Rosin, 3.29 % (16.4 gr) Aluminium Sulfat ( Al2(SO4)3), dan 7.55 %(37.75gr) Starch. Dengan komposisi tersebut akan dihasilkan produk yang memenuhi spesifikasi yang telah ditetapkan perusahaan. Berdasarkan pengukuran kapabilitas proses  campuran satu, pada kertas kraft liner 150 gsm di perusahaan  untuk tingkat konsistensi, adalah sebesar 0.47 dan setelah dilakukan percobaan yang optimal, berubah menjadi 1.11 berarti  terdapat peningkatan sebesar 136.7 %.Pada campuran dua untuk tingkat freeness adalah 0.45 berubah menjadi 1.14 berarti meningkat sebesar 153.3 %, sedangkan pada campuran tiga untuk tingkat internal bonding dari 0.55 berubah menjadi 1.15 berarti meningkat sebesar 109 %. Kata kunci: mixture experiment; konsistensi; freeness; internal bonding Abstract The aim of the research are how to choose composition from pulp paper mix, so that optimum position can be achieved, with the achievement of optimum composition, it can be expected to increase quality of paper production.While the pulp paper composition to achieve are consistency as big as for mixing on first mix, freeness level as big as on second mix and internal bonding as big as   on third mix. Trial is done with mixture experiment method for pulp paper, trial sample as big as 500 gr.trial point raised with minitab software as big as 14 trial point.While optimal mix composition obtain as big as 71.23% (16.4 gr) Waste Paper, 8.72%(43.55gr) Pulp(NUKP), 3.54%(17.7gr)Water ,5.7%(28.5 gr) Rosin, 3.29%(16.4 gr) Aluminium Sulfat(Al2(SO4)3) and 7.55% (37.75 gr) Starch.With the composition will produced a product that meet the specification the company set. Based on process capability first mix,on kraft liner 150 gsm paper in the company for consistency level are 0.47 and after optimal trial been done turn to 1.11, it means there is an increasing as big as 136.7 %, on second mix for freeness level is 0.45 turn in 1.14 it means there is an increasing as big as 153,3 %, and  third mix for internal bonding from 0.55 turn to 1.15 it is means there is an increasing as big as 109%.   Keywords : mixture experiment; consistency; freeness; internal bonding
PEMANFAATAN LAHAN PASCA TAMBANG PT SEMEN INDONESIA SEBAGAI DESTINASI WISATA TAMAN REKLAMASI “BUKIT DAUN” KAB. TUBAN, PROV. JAWA TIMUR Sania, Putri Rizka; Maulana, Aldy; Danyswara, Abel; Della, Nathanael; Airf, Iqbal; Soloha, Benhur; Pattihua, Adnan; Afrianti, Risa; Anugrah, Wahyu; Sari, Avellyn Shintya
Prosiding Seminar Teknologi Kebumian dan Kelautan Vol 2, No 1 (2020)
Publisher : Prosiding Seminar Teknologi Kebumian dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.037 KB)

Abstract

Taman Bukit Daun merupakan lahan pasca tambang batu gamping milik PT. Semen Indonesia seluas 1 ha, yang direklamasi dan dibuat menjadi kawasan tujuan destinasi wisata edukasi dan rekreasi yang berbasis flora dan avifauna. Adanya tempat wisata seperti Taman Bukit Daun dapat menjadikan suatu daya tarik masyarakat khususnya penduduk kabupaten Tuban, disamping itu dengan dibuatnya Taman Bukit Daun ini diharapkan dapat pula menambah pendapatan ekonomi daerah. Adapun tujuan dari naskah ilmiah ini adalah untuk dapat dijadikan saran dan rujukan bagamana mengelola dan mengembangkan lahan pasca tambang batu gamping menjadi destinasi wisata yang dapat dinikmati masyarakat. Selain itu Taman Bukit Daun memiliki beberapa fungsi yaitu sebagai wisata edukasi, riset, penelitian, dan budidaya, serta rekreasi. Taman Bukit Daun merupakan hasil perpaduan antara zonasi kebun raya yang memiliki fungsi wisata taman dan konservasi tumbuhan sebagai upaya penghijauan.
MENINGKATKAN BUDAYA LITERASI MELALUI TAMAN BACA MASYARAKAT DESA RAJADANU KABUPATEN KUNINGAN Nurhayati, Ita; Pratomi, Yogi; Aryanto, Aryanto; Fahri, Amar; Alfin, Muhamad; Fahrezi, Rifki; Syifa, Syifa; Maulana, Aldy; Fuadi, Wafa
Jurnal Pengabdian Masyarakat Sabangka Vol 3 No 05 (2024): Jurnal Pengabdian Masyarakat Sabangka
Publisher : Pusat Studi Ekonomi, Publikasi Ilmiah dan Pengembangan SDM Azramedia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62668/sabangka.v3i05.1250

Abstract

The aim of this activity is to stimulate interest in literacy among children, especially in Rajadanu Village, and the general public, with a focus on improving literacy skills. In implementing this reading garden program, we apply research-bSased methods with a PAR (Participatory Action Research) approach. When providing books, we also work with book donors. Apart from that, the village also provides space for the TBM. Based on observations, it indicates that children's reading awareness in Rajadanu Village is still lacking. Providing reading books is an important factor in stimulating interest in reading, and good facilities can promote people's interest in reading, especially local children. The conclusion of this service is an effort to stimulate or improve children's literacy understanding through reading gardens.
FEASIBILITY STUDY OF PARK AND RIDE IN ALUN-ALUN BEKASI CITY Maulana, Aldy; Murtejo, Tedy; Rulhendri, Rulhendri; Alimuddin, Alimuddin; Chayati, Nurul
ASTONJADRO Vol. 10 No. 2 (2021): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v10i2.4254

Abstract

The efforts of the Bekasi City government to reduce congestion and make it easier for the community to mobilize to DKI Jakarta by implementing the Park and Ride concept, in this case the Bekasi City government plans to build a Park and Ride facility in the Bekasi City square. This research was conducted to determine the feasibility level of the Park and Ride development plan in the Bekasi City square and also to obtain an overview of the existing results of the traffic conditions in the Bekasi City square area (PMI Tennis Court). The traffic counting survey and interviews were conducted at Bekasi Station, on Jalan Ir. H juanda, Jalan Perjuangan, Jalan Pramuka and Jalan Veteran which are then processed using Microsoft Excel to find out the maximum demand from Park and Ride, namely 1527 motorbikes and 308 units of cars, the economic feasibility level of the Park and Ride building shows an IRR of 3.4% , the NPV value> 1 is IDR 102,280,883,874.40 and BCR is 1.37. With a prediction of a building length of 25 years, while for roads that become accessibility for vehicles to and from the Park and Ride building, the lowest level of service occurs on Veteran and Pramuka roads, with service levels F and E. This proves that traffic engineering is necessary. and increasing road capacity, to and from Park and Ride, with pedestrian access and bicycle lanes (to improve road performance).
Efektivitas Pembelajaran Berbasis AI Gemini untuk Meningkatkan Keterampilan Fotografi di SMKN 3 Kuningan Maulana, Aldy; Fazrin N, Sofhian
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal (In-Press)
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4193

Abstract

This study aims to measure the effectiveness of AI Gemini-based learning in improving the photography skills of students at SMKNegeri 3 Kuningan. The research method used was a quantitative approach with a One Group Pretest-Posttest Design. The sample consisted of 36 students of grade X DKV selected using purposive sampling technique. Data were collected through pretest, posttest, questionnaires, and observations, and analyzed using SPSS version 27. The results showed that the average pretest score of 25.75 increased to 33.75 in the posttest, with a mean difference of 8 points. The Paired Sample t-Test indicated a significant difference before and after the treatment (t = −60.083; p = 0.000 < 0.05). Correlation analysis revealed a very strong relationship between the effectiveness of AI Gemini and photography skills (r = 0.937; p = 0.000). Furthermore, simple linear regression analysis produced the equation Y = 5.767 + 1.021X with a coefficient of determination R² = 0.878, meaning that AI Geminibased learning contributes 87.8% to students’ photography skills. Therefore, it can be concluded that the implementation of AI Gemini-based learning is effective in enhancing students’ photography skills, particularly in understanding the exposure triangle, image composition, and lighting techniques.
Co-Authors Afrianti, Risa Airf, Iqbal Alfin, Muhamad Anugrah, Wahyu Aryanto Aryanto Chayati, Nurul Danyswara, Abel Della, Nathanael Fahrezi, Rifki Fahri, Amar Fazrin N, Sofhian Fuadi, Wafa Ita Nurhayati Johnson Saragih, Johnson Pattihua, Adnan Pratomi, Yogi Rulhendri Rulhendri Sania, Putri Rizka Sari, Avellyn Shintya Soloha, Benhur Syifa, Syifa Tedy Murtejo