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Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri
Published by Sekolah Tinggi Teknologi Industri Padang
ISSN : 14125455     EISSN : 26152827     DOI : http://dx.doi.org/10.36275/stsp.vxxix.xxx
Core Subject : Science, Engineering,
Computer Science & IT Engineering Industrial & Manufacturing Engineering
Jurnal Sains dan Teknologi STTIND Padang ini diterbitkan 2 (dua) kali dalam setahun pada bulan Juni dan Desember. Redaksi menerima tulisan ilmiah tentang hasil penelitian, survei, dan telaah pustaka yang erat hubungannya dengan sains dan teknologi industri. Ruang lingkup artiket : Teknik Industri, Teknik Pertambangan Teknik Lingkungan Sistem Informasi. Sains dan Teknologi Pendidikan serta Kejuruan.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 233 Documents
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PERANCANGAN DAN PEMBUATAN PERPUSTAKAAN DIGITAL IAIN IMAM BONJOL PADANG BERBASIS WEBSITE veni wedyawati
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 16, No 1 (2016): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36275/stsp.v16i1.54

Abstract

Library of State Islamic Institute ( IAIN ) Imam Bonjol Padang is a source of learning and intellectual resources are very important in its function as a service center information required by the academic in achieving program Higher Education , Library Information System which is running the manual or not using a computerized system. PHP is a multiuser software that can provide a solution to the problem lies at the top, where the software can be used in the manufacture of website designing websites at once. Keywords: System, Web, Design program
PEMANFAATAN SAMPAH PLASTIK MENJADI BRIKET SEBAGAI BAHAN BAKAR ALTERNATIF DALAM KILN DI PABRIK PT SEMEN PADANG Hendri Sawir
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 16, No 1 (2016): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (378.627 KB) | DOI: 10.36275/stsp.v16i1.56

Abstract

Coal is a natural resource that can not be updated and will be depleted when used continuously. PT Semen Padang is a cement industries that use coal as fuel in large quantities which can increase production costs. It should be considered for alternative materials that can be used as fuel. The example is plastic waste that has tremendous potential as an alternative fuel. For that conducted research on the make of plastic waste into briquettes with technology Plastic Waste as alternative fuel to substitute for coal in the kiln PT Semen Padang from two types of plastic waste, is garbage plastic bags (PP) and a glass of mineral water plastic waste (PET). This study aims to determine the quality of briquettes, to obtain a picture of whether plastic pellets briquettes can be used as a substitute for coal and a comparison of the use of coal briquettes plastic pellets in the kiln PT Semen Padang. From the test, it is known that the briquettes garbage plastic bags have a calorific value of 10.112 cal/gram, ash content of 3,90%, 0,36% moisture and volatile content of 94,74%. And briquettes from waste plastic glasses of mineral water has a calorific value of 10.844 cal/gram, ash content of 0,27%, 0,42% moisture and volatile content of 99,27%. From these results it can be seen that the briquettes from waste glasses of mineral water has a better quality. And when compared with the specifications of coal used in the kiln Indarung IV calorific value 5200 - 5600 cal/gram, maximum ash content of 20% and a maximum water content of 10%, then the two types of briquette plastic pellets can be used as a fuel substitute for coal. Based on the comparison of calorific value and the use of coal in the kiln Indarung IV which is an average of 35 tons / hour, then the ratio of the amount of usage of coal with briquettes from waste plastic bags is 1: 0.53, and with briquettes from waste plastic glasses of mineral water is 1: 0.50. Keywords: plastic waste, coal, briquettes, quality, fuel 
KAJIAN GEOTEKNIK KESTABILAN LERENG PADA PT. INDOASIA CEMERLANG SITE KINTAP KECAMATAN SUNGAI CUKA KABUPATEN TANAH LAUT PROVINSI KALIMANTAN SELATAN refky adi nata; Zikri Prima Zulfira
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 17, No 2 (2017): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (119.77 KB) | DOI: 10.36275/stsp.v17i2.35

Abstract

Pertambangan open pit pada umunnya tidak  lepas dari kelerengan, Keberadaan lereng tidak hanya pada area pit penambangan saja,namun lereng juga digunakan dalam pembuatan jalan tambang, stokpile, disposal area, dan lain sebagainya. Membuat lereng yang aman secara teknis agar kestabilan lereng tercapai pada lokasi penambangan menjadi peran penting dilihat dari segi K3 dan peran penentu keberlangsungan proses penambangan untuk kedepannya.Berbicara tengtang kestabilan lereng, maka kita akan dihadapkan dengan suatu permasalahn yang menjadi kajian utama dalam kelerengan yaitu longsoran. Permasalahan ini terjadi akibat adanhya pergeseran material pembentuk lereng yang diakibatkan oleh berbagai faktor diantaraya penurunan tingkat kstabilan lereng oleh kegiatan penambangan, degradasi tanah/batuan sesuai dengan usia suatu lereng tersebut, dan lainnya. Namun pada dasarnya longsoran sering terjadi pada areal yang kurang aman (save) untuk pembuatan lereng, ditinjau dari aspek geologi, lotologi, morfologi, hidrologi dan iklim pada daerah tersebut.  Kata Kunci : Lereng, Longsoran, Sudut Geser Dalam, Kuat Tekan, Kohesi, Faktor Keamanan, K3
PENGEMBANGAN MODUL PEMBELAJARAN KIMIA PADA MATERI POKOK LARUTAN ELEKTROLIT DAN NONELEKTROLIT BERBASIS INKUIRI TERBIMBING (GUIDED INQUIRY) Eka Rahmatul Aidha
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 16, No 1 (2016): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (248.846 KB) | DOI: 10.36275/stsp.v16i1.57

Abstract

Issue formal education become a common topic today is the low student learning outcomes. Based on the research conducted so far, it turns out low yields due to student learning in general chemistry students have difficulty in analyzing chemical material that is both abstract and resolve problems related to chemical reactions, this happens due to lack of understanding by students. One of the learning strategies that encourage students to seek and find something in learning is through guided inquiry strategies. In support of this strategy, the group used the system to learn and make teaching materials in the form of chemistry learning modules based on guided inquiry learning cycle. The subjects were students of class X SMA Negeri 1 Lubuk Alung. This type of research is the development of research with the development of type 4D models. Validation results showed that the chemistry learning modules in the subject  matter of electrolyte and nonelectrolyte solution has  a  moment  kappa of  0.84. These results reveal that, the product is in conformity with the curriculum and the correct concept. Field trial results show the practicality of the value of products made based on the assessment of teachers' questionnaire responses with kappa of 0.91 and a moment of assessment student questionnaire responses by 0.95. Based on the results of this study concluded that the developed learning modules are very practical for use in the learning process. It is also proved by testing students' understanding of the effectiveness of a product with an average score of 85.8. It can be concluded that using the students' understanding of chemistry learning modules in the category so well that the product is very effective for use in learning. Keywords:  Learning Module Chemistry, Main Material Electrolytes and Nonelectrolytes, Guided Inquiry.
EFISIENSI ALAT MUAT DAN ALAT ANGKUT UNTUK PENGUPASAN OVERBURDEN PADA SITE A DI PT. SAMANTAKA BATUBARA DESA PAUH RANAP KECAMATAN PERANAP KABUPATEN INDRAGIRI HULU PROVINSI RIAU Ahmad Fauzi Pohan; Refky Adi Nata; Ronal Floren
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 17, No 1 (2017): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (137.059 KB) | DOI: 10.36275/stsp.v17i1.65

Abstract

Dalam usaha peningkatan produktifitas Overburden diperlukan rencana kebutuhan alat muat dan alat angkut yang tujuannya agar alat muat dan alat angkut yang dioperasikan mampu bekerja secara optimal sesuai dengan kondisi alat tersebut. Metode penambangan yang  diterapkan di PT. Samantaka Batubara adalah cara tambang terbuka dengan penambangan konvensional yaitu dengan menggunakan kombinasi  peralatan excavator dan dump truck. Menurut keputusan Bupati Indaragiri Hulu Nomor 001/IUP/545-02/II/2013 tentang persetujuan peningkatan izin usaha pertambangan eksplorasi menjadi izin usaha pertambangan operasi produksi kepada PT. Samantaka Batubara dengan luas wilayah IUP OP 19.040 Ha.Kata kunci : Produktifitas, Metode Konvensional, PT. Samantaka Batubara Memiliki IUP OP 19.040 Ha.
PENERAPAN METODA SIX SIGMA DENGAN PENDEKATAN DMAIC UNTUK MENGURANGI BIAYA KEGAGALAN INTERNAL PADA PRODUKSI KANTONG SEMEN PASTED BAG DI PABRIK KANTONG PT. SEMEN PADANG Gamindra Jauhari; Wezy Restu Awiandora
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 16, No 2 (2016): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (621.349 KB) | DOI: 10.36275/stsp.v16i2.43

Abstract

Cement Bags Division at PT. Semen Padang in Padang has an important division to produce a number of problem. Bags produced of two types, including sewing bag and pasted bag. Quality problems or quality in production has always been a complex problem in the process of production. The tolerance limit of 1.2% the company but  many defects that over range becomes a major problem because over cost quality.This research was done because of the quality problems at the cement bags division PT. Semen Padang. This purpose study was to apply the Six Sigma method in reduce product defects.The result of applying six sigma calculate internal failure costs. Data processing and analysis techniques used in this study is the six sigma method (define, measure, analysis, improve and control). In the calculation capability sigma and DPMO (Defect per million opportunites) using six sigma calculator.The results of this study showed that based on calculations using six sigma method with the DMAIC approach (define, measure, analyze, improve and control) can reduce product defects and internal failure costs caused by the defective product. Key Words: Six Sigma, DMAIC, Defect Products, Failure Costs
KAJIAN PERBAIKAN POSTUR KERJA DENGAN METODE OWAS (OVAKO WORKING POSTURE ANALYSIS SYSTEM) (Studi Kasus di Pabrik Roti Cimpago Putih) meldia fitri; Widya Laila
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 17, No 2 (2017): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (247.16 KB) | DOI: 10.36275/stsp.v17i2.73

Abstract

The roles of human as workers are still dominant in conducting production process, especially that related to manual activities. One of the humans rote is in the procss of displacing  materials. These activities potentially raise various camplaints such as muscle pain and could cause accident at work. Pabrik Roti Cimpago Whit Bread still conduct MMH (Manual Materials Handling) activites in producing bread. These make  the workers get low back pain. Theis research seeks to identify and evaluate inappropriate body posture at work and recommend safe body posture for the workers by using OWAS (Ovako Working Posture Analysis System). Analysis syetem through which 7 working posture were corrected of the 7, 4 posture were classified into category 2 suggerting that they were dangerous for musculoskeletal sytem and 3 postures were classified into category 3 indicating that they were unsafe for musculoskeletal and needed immediate repair. Keywords: work posture, OWAS, improvement work posture.
PENERAPAN METODA SIX SIGMA DENGAN PENDEKATAN DMAIC UNTUK MENGURANGI BIAYA KEGAGALAN INTERNAL PADA PRODUKSI KANTONG SEMEN PASTED BAG DI PABRIK KANTONG PT. SEMEN PADANG Gamindra Jauhari
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 16, No 1 (2016): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (503.904 KB) | DOI: 10.36275/stsp.v16i1.50

Abstract

Cement Bags Division at PT. Semen Padang in Padang has an important division to produce a number of problem. Bags produced of two types, including sewing bag and pasted bag. Quality problems or quality in production has always been a complex problem in the process of production. The tolerance limit of 1.2% the company but   many defects that over range becomes a major problem because over cost quality. This research was done because of the quality problems at the cement bags division PT. Semen Padang. This purpose study was to apply the Six Sigma method in reduce product defects.The result of applying six sigma calculate internal failure costs. Data processing and analysis techniques used in this study is the six sigma method (define, measure, analysis, improve and control). In the calculation capability sigma and DPMO (Defect per million opportunites) using six sigma calculator.  The results of this study showed that based on calculations using six sigma method with the DMAIC approach (define, measure, analyze, improve and control) can reduce product defects and internal failure costs caused by the defective product. Key Words: Six Sigma, DMAIC, Defect Products, Failure Costs.
PROMOSI WISATA BATIPUAH UNTUK MENINGKATKAN PENDAPATAN DAERAH BERBASIS WEBSITE Elma Wati
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 16, No 1 (2016): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (855.192 KB) | DOI: 10.36275/stsp.v16i1.59

Abstract

Batipuh is one area in the district. Batipuh , flat land district , this area will no tourism potential that has not been managed well by the government . travel , among others , the natural attractions, culinary and customs. Php is a software application that is familiar to design a website that is used as a medium for the promotion of tourism in the district Batipuah. With this website people will be more familiar with the area Batipauh and will be able to increase local revenue Keywords: Travel batipuah , Web , PHP , MySQL
STUDI PEROLEHAN BIOGAS DARI SAMPAH ORGANIK DAN ALGA (SARGASSUM SP) Eka Rahmatul Aidha; Yulia Septriani
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol 17, No 1 (2017): JURNAL SAINS DAN TEKNOLOGI
Publisher : Sekolah Tinggi Teknologi Industri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (98.878 KB) | DOI: 10.36275/stsp.v17i1.62

Abstract

Aktifitas manusia dalam memanfaatkan alam selalu meninggalkan sisa yang disebut limbah. Sumber sampah berasal dari perumahan, pasar, beberapa kegiatan pertanian dan juga dari laut. Pemanfaatan sampah antara lain sebagai pupuk organik, misalnya kompos maupun bahan pembuat biogas dengan fermentasi anaerob oleh mikroorganisme. Biogas merupakan salah satu sumber energi alternatif yang berbahan baku dari bahan organik. Sampah organik merupakan sampah dari bahan-bahan yang dapat terurai. Alga merupakan tanaman laut yang keberadaannya masih banyak kita jumpai ditepi pantai. Teknologi biogas diproduksi melalui proses fermentasi bahan organik secara anaerobik oleh bakteri methanogen untuk menghasilkan gas methan (CH4). Proses ini tidak hanya menghasilkan gas tapi juga menghasilkan pupuk. Bahan baku dalam penelitian ini adalah sampah organik dan alga (Sargassum sp). Tujuan dari penelitian ini adalah untuk melihat apakah campuran dari sampah organik dan alga (Sargassum sp) dapat memproduksi biogas dan melihat komposisi yang tepat dalam perolehan biogas. Percobaan yang digunakan dalam penelitian terdiri dari dua tahap yaitu tahap pertama penambahan EM-4 20 ml pada  suhu ruangan berkisar antara 25 0 C sampai 30 0 C, dengan rasio sampah organik dan air 100 ; 50, 100 ; 100, 100 ; 150, 100 ; 200, 100 ; 250. Tahap kedua yaitu dengan variabel penambahan EM-4 20 ml pada  suhu ruangan berkisar antara 25 0 C sampai 30 0 C dengan rasio sampah organik dan alga 100 ; 0, 90 ; 10, 80 ; 20, 70 ; 30, 60 ; 40, 50 ; 50. Dengan pengamatan dilakukan setiap hari dilihat dari penambahan volume dalam pipet takar. Hasil penelitian menunjukkan bahwa rasio biogas yang dihasilkan paling banyak adalah 50 ; 50 (sampah organik dan alga) pada hari kelima sebanyak 3,8 ml. Kata kunci: Sampah Organik, Alga, Biogas

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