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Theresia Evila Purwanti Sri Rahayu
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INDONESIA
Jurnal Pengendalian Pencemaran Lingkungan (JPPL)
Published by Politeknik Negeri Cilacap
ISSN : 26866145     EISSN : 26866137     DOI : https://doi.org/10.35970/jppl
Core Subject : Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science
a. Water pollution control b. Soil pollution control c. Air pollution control d. Liquid and solid waste control e. Bioprocess and biochemistry f. Biodiversity and bio monitoring g. Engineering design process h. Environmental chemistry i. Management of environmental pollution control
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 192 Documents
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Analisis Pupuk Organik Cair Limbah Industri Tahu Dan Air Cucian Beras Sukmawati Sukmawati; Sufi Ainun Nisa; Ardian Desta Pratama; Fadli Nur Fauzi
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol 4, No 1 (2022): JPPL, Maret 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i1.1101

Abstract

Domestic waste contains good organic matter for plant growth. One of the domestic wastes owned by each house is rice washing water. In addition, the tofu industry is also widely found in Indonesia, one of which is Cilacap City. The content of organic matter possessed by the two wastes is a source of plants. To reduce the environment, this waste can be used as raw material for making liquid organic fertilizer (POC). In addition to being environmentally friendly, the raw materials used are also easy to find. This study aims to analyze pH, temperature and levels of C-Organic in liquid organic fertilizer from tofu industrial waste and rice washing water. The manufacture of liquid fertilizer is carried out using the anaerobic method, which utilizes bacteria that are active without oxygen through a fermentation process for 14 days. To determine the effect of adding EM4 and molasses, compositional variations were carried out on samples of liquid fertilizer, namely KO, P1, P2, and P3 with molasses volume sequentially 0 grams, 5 grams, 5 grams, 10 grams. Meanwhile, the volume of EM4 added sequentially is 0%, 5%, 10% and 5%. Measurements of pH and temperature were carried out every 4 days, but measurements of C-Organic were carried out at the beginning and end of the mini-research. The final pH of POC was in accordance with quality standards with KO = 4.5 and P1, P2 and P3 = 4. The final temperature of KO samples was 29.5ᵒC, P1 29ᵒC, P2 and P3 28.5ᵒC. The highest organic-C content was owned by the knockout sample, which was 0.00297. All samples in this mini research are not included in liquid organic fertilizer (POC) but can be classified as nutrients for soil improvement.
Characteristics Of Microbubbles Generated From Perforated Plates Dhyna Analyes Trirahayu; Ridwan P. Putra; Joshua Mulia Nababan; Mubiar Purwasasmita
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol 4, No 1 (2022): JPPL, Maret 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i1.1196

Abstract

Microbubbles are emerging as versatile tools in numerous scientific and engineering disciplines. However, the applications of microbubbles in agricultural fields require a simple and cost-effective device that can be used to generate microbubbles. In this study, a new approach to producing microbubbles was developed using perforated plates incorporated with glass columns. Two different plates with various numbers of holes were fabricated. Characterization of the microbubbles showed that the diameter of the microbubbles produced was in the range of 10.4 to 21.1 µm. The gas-liquid ratio tended to increase by around 30-40%, with increasing oxygen gas flow rate and gas-jetting time. The enhanced oxygen gas flow rate and gas-jetting time also prolonged the residence time of the microbubbles. In general, this technique is promising that can be implemented in agricultural sectors, especially in hydroponic systems.
Pengaruh Penambahan Serat Kulit Kopi dan Polivinil Alkohol (PVA) terhadap Karakteristik Biodegradable Foam dari Pati Kulit Singkong Febrina Sarlinda; Amrul Hasan; Zeni Ulma
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 2 (2022): JPPL, September 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i2.1430

Abstract

Polystyrene plastic or styrofoam is very popular to be used as a food packaging container even though Styrofoam has a bad impact on health. In addition, Styrofoam also cannot be biodegraded naturally in the environment so the use of syrofoam is also a problem for the environment. One alternative to styrofoam is biodegradable foam (biofoam) made from starch and cellulose. It is safe for health and can be broken down naturally. Cassava peel is rich in starch (carbohydrates) but has low cellulose content. Meanwhile, coffee peel is rich in cellulose and minimal in carbohydrates. Both types of waste have the potential to become biodegradable foam raw materials. The addition of synthetic polyvinyl alcohol (PVA) polymer is expected to improve the mechanical quality of biodegradable foam. This study aims to obtain the best formulation for the manufacture of biodegradable foam from cassava starch with the addition of coffee peel cellulose and PVA. The quality of biofoam evaluated includes tensile strength, water absorption, and biodegradability. The best biofoam characteristics were obtained at the addition of 15% fiber and 15% PVA, resulted in water absorption of 28.87%, the tensile, strength of 2.70 N / mm2, and biodegradability of 93.66% for 30 days.
Karakterisasi Proses Gasifikasi Menjadi Listrik Berbahan Baku Sampah Padat Perkotaan Menggunakan Reaktor Tipe Downdraft di Provinsi Nusa Tenggara Barat Shafwan Amrullah; Sopyan Ali Rohman; Cyrilla Oktaviananda; Fadhli Dzil Ikram
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 2 (2022): JPPL, September 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i2.1433

Abstract

Indonesia is currently experiencing the problem of Municipal Solid Waste (MSW), energy and environmental crisis. Gasification by electric generator is the solution. This study about the design and characterization of the gasification reactor with MSW feed. This research was conducted by examining the effect of gasification temperature (550, 600, 650, 700, 750, 800, 850oC) and Air Fuel Ratio variations (0,5; 0,51; 0,53; 0,54l; and 0,55). The variabel test of temperature variations is syngas concentration, fuel conversion (FC), cold gas efficiency (CGE), carbon conversion efficiency (CCE), and specific fuel consumption (SCF). The AFR evaluated syngas and SCF. The result showed an increase the syngas levels with the increasing the gasification temperature, except CO2. The FC value increased(71% to 74%) and The CGE increases (77 to 97%). The CCE increases from 69% to 78% (550-650oC) and decreases again to 66% (850oC), and SCF decreased (4.5-0.5 kg/kWh). In the AFR variation, syngas levels increase with increasing AFR, but scf decreased (5.3 to 2), this proves efficient combustion.
Kajian Emisi Gas Rumah Kaca (GRK) dari Perkembangan Teknologi Elektrifikasi Baterai Ponsel Pintar Amrizarois Ismail
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 2 (2022): JPPL, September 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i2.1434

Abstract

Batteries as an energy source are no longer a known new technology; their use has been a part of life for many years. Batteries also have detrimental (bad) power, especially for the environment, including the contribution of carbon that produces Greenhouse Gas (GHG) emissions as one of the causes of global warming that triggers climate change. To find out, a quantitative study was conducted by calculating the energy conversion of smartphone batteries using the carbon conversion principle in the Intergovernmental Panel Climate Change (IPCC) formula. Based on the study's results, smartphone batteries use in the last decade has experienced a rapid increase starting from 60,431,616 tons of CO2 in 2011, and 2022 soaring to 447,672,960 tons of CO2. This shows a significant increase in GHG carbon emissions from smartphone battery development. and prove that the use of battery technology also produces carbon emissions from secondary sources and is not 100% environmentally friendly, therefore energy efficiency measures by using smartphones wisely are expected to reduce GHG carbon emissions due to the use of excessive battery power from smartphones.
Pemurnian Bioetanol Menggunakan Adsorben Silika Gel dari Limbah Botol Kaca di Industri Kecap Adhi Setiawan; Achmad Fatoni; Tarikh Azis Ramadani
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 2 (2022): JPPL, September 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i2.1435

Abstract

Waste glass bottles is an inorganic waste that amounts to 0.7 million tons per year with the main content of silica, so it can be used as the main ingredient to produce silica gel. In the soy sauce industry, glass bottle waste is generally produced from broken glass bottles during depalletizer activity, namely the activity of moving glass bottles to the glass bottle cleaning area. The glass bottle waste is generally only accommodated and has not been used optimally. This research aims to utilize waste glass bottles as a raw material for producing silica gel adsorbents using the hydrothermal method and the sol-gel approach. Silica gel becomes an adsorbent in the purification of bioethanol from wastewater washing dissolving tanks using the adsorption method. Variations in the bioethanol production are yeast weight as 0, 2, 5, and 8 g as well as fermentation time for 4, 7, and 10 days. The bioethanol purification process used variations in adsorption time for 40, 60, and 80 minutes. Characterization of silica gel using BET and SEM-EDX test. Bioethanol levels after going through the adsorption process were analyzed using the GC-MS method. The BET test results show that activated silica gel has a surface area of 231,851 m2/g. Analysis with SEM-EDX showed that activated silica gel particles were in the form of porous lumps with chemical content of Si and O elements of 40.94% and 51.92%, respectively. Based on the results of the GC-MS test, 60 minutes is the best adsorption time to increase the bioethanol content from 39,8 % to 72,0 %.
Industri Tahu Rakyat dalam Tinjauan Life Cycle Assessment Taufan Ratri Harjanto; Mustafidatul Khasanah; Arsita Nur Rizkia Putri
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 2 (2022): JPPL, September 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i2.1436

Abstract

Tofu is a type of food that is preferred and widely produced by Indonesian people. The existence of the tofu industry will have an impact on the quality of the environment. To reduce this impact, an analysis related to the Life Cycle Assessment (LCA) is required. The research aims to determine eco-friendly tofu products and the part of the process that has a high potential to pollute the environment in the micro tofu industry. The research method uses a cradle-to-gate approach, which focuses on the processing of raw materials into products in the form of white tofu and fried tofu. The stages of this research are based on SNI ISO-14040: goal and scope, inventory analysis, life cycle impact assessment, and interpretation. The results showed that fried tofu has a high potential to pollute the environment compared to white tofu, namely the contribution value of white tofu is 0.121 pt and the contribution value of fried tofu is 2.83 pt, this is based on the highest value on important issues (hotspots) related to the impact category, namely global warming potential is 154 kg CO2(eq), ozone depletion potential is 1.43.10-5 kg ​​CFC-11(eq), acid rain potential is 3.83.103 kg SO2(eq), eutrophication potential is 145 kg PO4 P-lim, energy use is 154 kg CO2(eq), and human health is 0.822 DALY. Based on the contribution analysis, hotspots on the results of the life cycle assessment of the micro tofu industry are in the frying process and the procurement of the main raw material used, soybeans. Alternative improvements can be made by changing the main ingredient of soybean seed into soybean slurry and replacing palm oil with soybean oil in frying, and firewood into biogas.
Karakteristik Karbon Aktif Tempurung Kluwak (Pangium edule) Sebagai Adsorben Pada Penjerapan Methylene Blue Andi Musfirah Adhar; Isma Ayu Ningsih Putri Zainal; Farham; Ida Adriani Idris; Haera Setiawati; Yuliani HR
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 1 (2022): JPPL, Maret 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i1.1448

Abstract

Kluwak (Pangium edule) is a plant that the seeds are used as a seasoning, to produce waste in the form of kluwak shells that the application has not been widely used by the community. This study aims to utilize the carbonized kluwak shell waste as an adsorbent for the absorption of methylene blue, by activating them using potassium hydroxide (KOH) to increase the adsorption ability of the adsorbent. Variations in the concentrations of KOH used are 0, 1, 3, and 5 M and concentrations of methylene blue solution 100, 110, 120, 130, 140, and 150 ppm. The study reviewed how the characteristics of the kluwak shell as an adsorbent on the absorption of methylene blue, including absorption percentage, maximum adsorption capacity through Langmuir equation, adsorbent morphology through Scanning Electron Microscope (SEM) analysis, and surface area. The adsorption process in this study took place in batches for 90 minutes using a shaker with speed of 300 rpm with volume methylene blue solution as much as 50 mL and the weight of the kluwak shell carbon without activation, and KOH 1, 3, and 5 M activated kluwak shell carbon as much as 0.15 g. The results showed that the higher the concentration of KOH, the higher the average adsorption percentage and maximum adsorption capacity. The amount of the average percent absorption, maximum adsorption capacity, and the largest surface area were on the kluwak shell carbon activated by KOH 5 M, were respectively 97.69%; 48.082mg/g; and 174.17 m2/g. The SEM results analysis showed that activated kluwak shell carbon of 5 M KOH had a larger particle size and pore shape, had a more unified shape, and a flake structure than without activation.
Pengaruh EM4 Terhadap Pengolahan Limbah Cair Industri Tahu Menjadi Pupuk Organik Cair Nabilah Rizqi Qurrotu’aini; Mintan Mawarni; Yoshua Beay; Nurrochman
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 1 (2022): JPPL, Maret 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i1.1454

Abstract

Household waste contains high enough organic pollutants which can be used as raw material for liquid organic fertilizer. The addition of EM4 (Effective Microorganisms) in the manufacture of fertilizers aims to accelerate the process of making organic fertilizers effectively and EM4 can also improve the quality of the fertilizer. The method used in the manufacture of this fertilizer is an anaerobic method. The tofu industry liquid waste is accommodated in tubs that have been labeled A and B. Then the same treatment is given, namely the addition of 750 mL of coconut water for every 3 liters of tofu industrial liquid waste and 90 grams of granulated sugar in each tub. In the tub labeled B, 90 mL of EM4 was added. The tub to which these ingredients have been added is then closed tightly and fermented for 14 days. Parameters tested include pH, temperature and also levels of C-Organic. After 14 days of fermentation, the pH obtained was 4. The pH of the liquid organic fertilizer decreased because the C-Organic decomposed in the fermentation of this liquid organic fertilizer into organic acids. C-Organic content after fermentation for sample A was 0.57% and C- Organic content for sample B was 0.42%. The low levels of C-Organic are due to the addition of EM4 during the fermentation process which can break down compounds such as carbohydrates and proteins into simpler compounds that can later be utilized by plants. This standard of liquid organic fertilizer is adjusted to the Regulation of the Minister of Agriculture no. 70/Permentan/SR.140/10/2011. Liquid organic fertilizer with the addition of EM4 will affect the yield of C-Organic content.
Analisis Pupuk Organik Cair Limbah Industri Tahu dan Air Cucian Beras Sukmawati; Sufi Ainun Nisa; Ardian Desta Pratama; Fadli Nur Fauzi
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 1 (2022): JPPL, Maret 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i1.1459

Abstract

Domestic waste contains good organic matter for plant growth. One of the domestic wastes owned by each house is rice washing water. In addition, the tofu industry is also widely found in Indonesia, one of which is Cilacap City. The content of organic matter possessed by the two wastes is a source of plants. To reduce the environment, this waste can be used as raw material for making liquid organic fertilizer (POC). In addition to being environmentally friendly, the raw materials used are also easy to find. This study aims to analyze pH, temperature and levels of C- Organic in liquid organic fertilizer from tofu industrial waste and rice washing water. The manufacture of liquid fertilizer is carried out using the anaerobic method, which utilizes bacteria that are active without oxygen through a fermentation process for 14 days. To determine the effect of adding EM4 and molasses, compositional variations were carried out on samples of liquid fertilizer, namely KO, P1, P2, and P3 with molasses volume sequentially 0 grams, 5 grams, 5 grams, 10 grams. Meanwhile, the volume of EM4 added sequentially is 0%, 5%, 10% and 5%. Measurements of pH and temperature were carried out every 4 days, but measurements of C- Organic were carried out at the beginning and end of the mini-research. The final pH of POC was in accordance with quality standards with KO which is 4.5 and P1, P2 and P3 which are 4. The final temperature of KO samples was 29.5oC, P1 29oC, P2 and P3 28.5oC. The highest organic-C content was owned by the knockout sample, which was 0.00297. All samples in this mini research are not included in liquid organic fertilizer (POC) but can be classified as nutrients for soil improvement.

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