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All Journal CHEESA: Chemical Engineering Research Articles Envirous Environmental Science and Engineering Conference Proceeding Jurnal Sains dan Teknologi Envirotek : Jurnal Ilmiah Teknik Lingkungan Serambi Engineering
Okik Hendriyanto Cahyonugroho
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary

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Journal : Envirous

 1 
EVALUASI SISTEM DRAINASE DI WILAYAH KECAMATAN WARU, KABUPATEN SIDOARJO DENGAN SOFTWARE HEC-RAS Maeza Nurrisma Astika; Okik Hendriyanto Cahyonugroho
EnviroUS Vol. 1 No. 1 (2020): Jurnal Envirous
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (573.748 KB) | DOI: 10.33005/envirous.v1i1.19

Abstract

Penerapan sistem drainase konvensional yang memiliki prinsip mengalirkan air secepat-cepatnya ke badan air tidak efektif dikarenakan mengurangi kesempatan meresapnya air ke dalam tanah. Oleh karena itu diperlukan melakukan evaluasi terhadap dimensi saluran drainase eksisting di beberapa wilayah Kecamatan Waru untuk mengetahui debit air hujan yang dapat ditampung. Dalam penelitian ini dilakukan analisis secara teknis dan program. Analisis secara program menggunakan software HEC-RAS 5.0.7 yang dapat mensimulasi tinggi genangan di atas saluran drainase. Hasil dari analisis dan evaluasi, terdapat 23 saluran yang tergenang dari 52 saluran yang dianalisis. Saluran yang tergenang pada bagian hulu dan hilir sebanyak 7 saluran dan saluran yang tergenang hanya pada bagian hilir sebanyak 16 saluran. Penanggulangan banjir di Kecamatan Waru dapat dilakukan dengan normalisasi saluran terhadap genangan air yang besar dan tinggi dengan cara memperbaiki penampang saluran yang tidak dapat menampung debit limpasan.
EFEKTIVITAS KOMBINASI MEDIA ADSORBENT TONGKOL JAGUNG DAN CANGKANG KERANG DENGAN METODE MULTI SOIL LAYERING (MSL) PADA LIMBAH CAIR HOTEL Okik Hendriyanto Cahyonugroho; Rachmat Yuda Hardiyanto
EnviroUS Vol. 3 No. 1 (2022): Jurnal EnviroUs
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v3i1.150

Abstract

Liquid waste generated from hotels has the same characteristics as household liquid waste. The characteristics are containing BOD and Ammonia. If the BOD and Ammonia content is disposed of without going through the processing unit, it will cause water pollution. To minimize BOD and Ammonia levels, efforts are needed through the Multi Soil Layering (MSL) process with adsorbent corn cob media, adsorbent clam shell media, or a combination of corn cob and clam shell media. This research is used to find out the effect of the comparison of variations soil and HLR using adsorbent corn cob media, clam shell, or combination to reduce BOD and Ammonia levels. This study uses a continuous system which is carried out with 2 treatment factors, there are soil variations (0:100, 25:75, 50:50, 75:25, 100:0) and HLR variations (100, 250, 500, 750, 1000 L/m2.hari). The best results obtained from this study were BOD removal with a combination of adsorbent corn cob media and adsorbent clam shell media with soil variation of 25:75 at HLR 100 L/m2.day of 86% with a concentration of 4.2 mg/L. Meanwhile, the removal of Ammonia with a combination of adsorbent corn cob media and adsorbent clam shell media with soil variation of 25:75 at HLR 100 L/m2.day of 91.27% with a concentration of 7.86 mg/L.
PENGOLAHAN LIMBAH CAIR LAUNDRY MENGGUNAKAN MEMBRAN NANOFILTRASI DENGAN KOAGULASI DAN FLOKULASI, DAN MIKROFILTRASI SEBAGAI PRETREATMENT Okik Hendriyanto Cahyonugroho; Mahendra Clever
EnviroUS Vol. 3 No. 1 (2022): Jurnal EnviroUs
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Laundry liquid waste is the result of waste from laundry services where the liquid waste contains substances including phosphate (P), calcium (Ca), carboxyl methyl cellulose (CMC), plant oil, clothes bleach, phosphate, surfactant, SiO32-. Total Suspended Solid (TSS), and Chemical Oxygen Demand (COD). This study was used to determine the effect of pressure variations and operating time to reduce levels of COD, TSS, Phosphate, and Detergent. The method used is a membrane micro filter and a nano filter. The best results obtained from this study were the removal of COD, TSS, Phosphate, and Detergent at a pressure of 6 bar and an operating time of 140 minutes, which had a rejection percentage of 89.15%; 81.53 ; 60,20 ; 52.15 ; with concentrations of COD, TSS, Phosphate, and Detergent respectively 64 mg/L, 65 mg/L, 6.5 mg/L, 6.8.
Co-Authors Aditya Titian Dickdoyo Andriansyah Nurauf Anidah H Triwulandari Anidah H Triwulandari Aussie Amalia Darmawan, Arya Disnanda Utamifa Jannahdita Disnanda Utamifa Jannahdita Evan Yafi Bachtiar Firra Rosariawari Hasna Aqilah Putri Agdy Ihlashulamal, Tiyan Maeza Nurrisma Astika Mahendra Clever Muchammad Kasyfurrahman Shidqi Nuriadin Kazal Pachwarya, Ram Babu Rachmat Yuda Hardiyanto Raka Rulistyanto Prakoso Putra Septi Ika Nurfadila Septi Ika Nurfadila Sherly Galuh Puspita Tri Karisma Wardhani Tri Karisma Wardhani