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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 : Serambi Engineering

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Rekomendasi Tempat Penyimpanan Sementara Limbah B3 (TPS LB3) PT X Industri Transportasi Muchammad Kasyfurrahman Shidqi; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The management of hazardous and toxic waste (B3 waste) is crucial in industrial sectors to prevent environmental damage and ensure the safety of humans and other living beings. This research focuses on the design and recommendation of a Temporary Storage Facility (TPS) for B3 waste at PT X, which operates in the transportation industry. The types of B3 waste identified include used oil, used rags, brake fluid, grease, and radiator water. Using a multi-method approach, the study used interviews, observations, and logbook analysis to determine the characteristics, quantities, and storage requirements of the waste. The research also adhered to Indonesian regulations to ensure compliance in waste management and storage. The recommended TPS design includes features such as proper ventilation, fire extinguishers, first aid kits, and labeling based on waste characteristics. Storage capacity calculations and layout have been optimized to match existing site conditions and ensure operational efficiency. The proposed TPS layout is expected to enhance workplace safety, minimize environmental contamination risks, and improve overall waste management practices at PT X.
Kajian Kualitas Air Sungai pada Kali Mas Kota Surabaya Hasna Aqilah Putri Agdy; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The objective of this research is to assess the water quality of the Kali Mas River in Surabaya by focusing on its chemical, physical, and biological attributes. A quantitative descriptive approach was used, with sampling taken at four points along the river. The results of this analysis refer to the quality standards set in Government Regulation No. 22 of 2021. The observed parameters include pH, TSS (Total Suspended Solids), DO (Dissolved Oxygen), phosphate, COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand), nitrate, and fecal coliform. Based on the Water Quality Index calculation, the water quality of Kali Mas is categorized as moderate. However, some parameters such as BOD, COD, and phosphate indicate light pollution. This study highlights the importance of sustainable pollution management and control to maintain ecosystems and support community needs.
Redesain Tempat Penyimpanan Sementara Limbah B3 Pada Pabrik Pembekuan Ikan PT. XYZ Kabupaten Surabaya Evan Yafi Bachtiar; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The fisheries industry is undergoing rapid technological advancement, which has expanded across various regions in Indonesia, has the potential to increase the volume of waste generation, particularly hazardous and toxic waste. PT XYZ is one of many companies engaged in fish processing that generates a significant amount of B3 waste. The types of B3 waste stored by PT XYZ include used oil or lubricants, rusty iron, used wiping cloths (majun), used batteries, electronic waste, and containers/packaging contaminated with B3 waste residues. This study aims to evaluate current practices based on government regulations, identify the types and quantities of B3 waste generated, and redesign the TPS for B3 waste at PT XYZ in accordance with Minister of Environment and Forestry Regulation No. 6 of 2021. The research methods employed include observation, interviews, and the redesign of the B3 waste TPS in compliance with the aforementioned regulation. Based on the research, it was discovered that the company has not fully implemented the applicable regulations for example, the use of used oil containers as B3 waste packaging. Therefore, improvements are necessary in the procedures for B3 waste storage. A redesign of the TPS is essential to ensure that waste management activities align with existing legal standards.
Pemanfaatan Air Limbah Domestik Kegiatan Hotel X untuk Penyiraman Ruang Terbuka Hijau Ihlashulamal, Tiyan; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The tourism sector, particularly hotel operations, generates domestic wastewater in significant quantities concurrent with high consumption of fresh water. This study analyzes the potential utilization of treated wastewater from Hotel X for green open space irrigation and non-potable applications. The research was conducted using secondary data from the Technical Approval Document of Hotel X (2025), employing a descriptive quantitative approach. The fresh water demand was determined to be 79.72 m³/day, with wastewater generation of 62.07 m³/day, and GOS area of 1,792 m². The domestic wastewater of Hotel X comprises 81.5% greywater and 18.4% blackwater, treated through a wastewater treatment plant (WWTP) system consisting of grease trap, equalization tank, aeration tank, clarifier, sludge tank, and chlorination unit. The treated effluent meets the standards stipulated in Government Regulation No. 22 of 2021. Wastewater utilization encompasses green open space irrigation (23.97 m³/day) and toilet/urinal flushing (38.19 m³/day), achieving a utilization efficiency of 99.86%. Results demonstrate that treated wastewater can effectively substitute fresh water for non-potable uses, thereby promoting sustainable water resource management and reducing fresh water dependency in hotel operations.
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