scholarly journals Reducing Environmental Impact on SME Metals Production Process Using Life Cycle Assessment and Analytical Hierarchy Process Method

2020 ◽  
Vol 19 (1) ◽  
pp. 84-94
Author(s):  
Muhammad Faishal ◽  
Muhammad Noor Arfan ◽  
Hayati Mukti Asih
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Production Process ◽  
Analytical Hierarchy Process ◽  
Liquid Waste ◽  
Alternative Fuel ◽  
Smelting Process ◽  
Used Oil ◽  
Hierarchy Process

The ABC metal SME produces some wastes, such as liquid waste, solid waste, and smoke. The problem is hazardous waste dumped directly into the environment without any waste treatments which had bad impact on the environment around its SME. Therefore, this research is proposed to improve the production process of metal that can reduce the environmental impacts. The Life Cycle Assessment (LCA) method is developed to identify all the processes that have an impact on the environment and also to calculate the energy used. The values of environmental impact are calculated using Simapro 9.0 Software. In addition, Analytical Hierarchy Process (AHP) method is employed to determine the best alternative fuel according to four criteria, such as temperature, price, emission, and fuel consumption. The results show the process that has the greatest environmental impact is the metal smelting process. It is caused by the source fuel in this process was used oil. The usage of used oil can be the sources of air pollution that causing health problems in the respiratory tract such as bronchitis and asthma. Some alternative fuel was proposed, however, fuel gas is the best alternative among others according to the expert opinions. For the managerial insight, this research can be suggestion for SME to choose the best fuel in the production process that considering economic and environmental aspects.

scholarly journals Analysis Of Environmental Impact With The Life Cycle Assessment (LCA) Method On Tofu Production

2020 ◽  
Vol 1 (4) ◽  
pp. 428-435
Author(s):  
Rosyidah Masayu ◽  
Ansyori Masruri ◽  
Romyzar Arya Putra ◽  
Mayanita ◽  
Ananda ◽  
...  
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Environmental Pollution ◽  
Production Process ◽  
Liquid Waste ◽  
Waste Products ◽  
Single Score ◽  
Category Score

Tofu is a typical Indonesian food. The tofu production process has its own impact on the environment because the rest of the production results in solid and liquid waste. If the processing or utilization of the waste products is not carried out, it will pollute the surrounding environment. The aim of this research is to identify the environmental impact of the tofu production process. The method used in this research is the method of mixed method simapro program assisted 7. From the results showed that the production process knows it can cause environmental pollution, it is seen from the damage category. Score a single score of 4076,345 Pt, with an environmental impact of Human Health of 1701.54 (41.7%), Ecosystem Quality of 1409.057 (34.6%), and Resources of 965.7484 (23.7%). Based on research results of several categories of the study, obtained on alternative improvements to reduce environmental impact by replacing firewood with biogas as fuel.     Keywords : Biogas, Life Cycle Assessment , Environmental Pollution, Production Know, SimaPro  

Life Cycle Assessment of Tungsten Production in China

2019 ◽  
Vol 944 ◽  
pp. 1137-1143 ◽  
Author(s):  
Ke Wei Lu ◽  
Xian Zheng Gong ◽  
Bo Xue Sun ◽  
Qing Ding
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Steel Industry ◽  
Smelting Process ◽  
Impact Categories ◽  
Analysis Method ◽  
Total Consumption ◽  
Production Processes ◽  
Annual Total

Tungsten is an important strategic metal, widely used in cemented carbide manufacturing, steel industry, and other economic fields. The amount of tungsten resource consumed in China each year accounts for more than 80% of the world’s annual total consumption. The purpose of this study is to quantify the environmental impact of tungsten production in China through the method of LCA. The result shows that, regarding the contributions of impact categories, the normalized value of HTP is the largest one among various impact categories, which accounts for 35.39% of the total environmental impact, followed by AP, PMFP, GWP, MDP, FDP, and POFP, respectively. The results also show that, regarding the contributions of production processes, smelting process is the largest contributor to the environmental burden of tungsten production due to the crystallization and calcination reduction occurred in the smelting process consumes a large amount of electricity, followed by mining, beneficiation, and transportation, respectively. The major academic contribution of this paper to the existing literatures is that we employed process-based analysis method, which could improve the accuracy of the study and provide practical advices for tungsten enterprises to reduce the environmental impact.

scholarly journals Eco-efficiency Level of Production Process of Waste Cooking Oil to be Biodiesel with Life Cycle Assessment

2020 ◽  
Vol 202 ◽  
pp. 10004
Author(s):  
Sri Hartini ◽  
Diana Puspitasari ◽  
Nabila Roudhatul Aisy ◽  
Yusuf Widharto
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Production Process ◽  
Oil And Gas ◽  
Negative Impact ◽  
Water Pressure ◽  
Waste Cooking Oil ◽  
Biodiesel Production ◽  
Cooking Oil

Lack of awareness and knowledge of environmental protection, many people discard cooking oil waste. According to several studies, cooking oil waste can be processed into more valuable products through certain processes that require energy and material. Biodiesel is an example. Beside biodiesel, the production process also produces non-product output. Thus, efforts to utilize cooking oil waste into more valuable products also have a negative impact on the environment. This study aims to measure the environmental impact of biodiesel production from waste cooking oil and compare it if it is discharged to landfill without the recycling process. Measurement of environmental impacts is carried out using a Life Cycle Assessment. Measurement of the environmental impact of biodiesel processing from cooking oil waste is based on a process carried out at a research institute. The measurement results state that the disposal of cooking oil waste has an adverse effect on the ecotoxicity category. Whereas the processing of cooking oil waste into biodiesel has advantages in the categories of climate change, the formation of photochemical oxidants, fine dust, oil and gas depletion, and water pressure indicators. the level of eco efficiency from processing waste cooking oil to biodiesel produces a value close to one which means that the production process is affordable but not yet sustainable.

Life Cycle Assessment of Nickel Production in China

2018 ◽  
Vol 913 ◽  
pp. 1004-1010
Author(s):  
Shu Ya Deng ◽  
Xian Zheng Gong
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Energy Consumption ◽  
Environmental Impact ◽  
Impact Load ◽  
Evaluation Model ◽  
Smelting Process ◽  
Assessment And Evaluation ◽  
Nickel Production ◽  
Technical Framework

Nickel is widely used in stainless steel and other industries, while there are a lot of energy consumption and environmental pollution in the process of nickel production. Based on the technical framework of life cycle assessment and evaluation model of ReCiPe, the aim of this paper is to find out the environmental hotspot and make suggestions for improvement by researching the environment inpact of nickel production from the process of mining, beneficiation, smelting and transportation. The result shows that: Smelting is the most important environmental effect stage in which the environmental impact load accounts for 52.18% of total environmental impact, because a lot of electricity is consumed in electrolysis process, while the Fossil Depletion Potential (FDP) is the largest environmental impact type, accounting for 42.32% of total environmental impact, which is due to the consumption of a number of fossil energy in the mining and smelting process of nickel ore. It is necessary to use advanced mining technology and mine backfill technology to reduce the consumption of auxiliary materials, which is of great significance for reducing energy consumption and emission.

Environmental impact of Brazilian broiler production process: Evaluation using life cycle assessment

2019 ◽  
Vol 237 ◽  
pp. 117752 ◽  
Author(s):  
Nilsa Duarte da Silva Lima ◽  
Irenilza de Alencar Nääs ◽  
Rodrigo Garófallo Garcia ◽  
Daniella Jorge de Moura
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Production Process ◽  
Process Evaluation ◽  
Broiler Production

scholarly journals Eco-efficiency Modeling in the Production of Alcohol Based on Data Envelopment Analysis

2022 ◽  
Vol 20 (2) ◽  
pp. 325-334
Author(s):  
Danastri Ratna Nursinta Dewi ◽  
Singgih Saptadi ◽  
Heru Prastawa
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Data Envelopment Analysis ◽  
Environmental Impact ◽  
Production Process ◽  
Economic Assessment ◽  
Data Envelopment ◽  
Alcohol Production ◽  
Hand Sanitizer ◽  
Normative Judgments

Economic growth can be assessed through industrial development. However, problems arise regarding the discharge of waste into lakes or rivers, leading to biodiversity loss and endangering human health. A study conducted in the UK stated that small and medium enterprises (SMEs) were the largest contributor to waste and pollution. This was because they ignored the regulations governing environmental management. As happened in the Bekonang alcohol industry center, the waste from the alcohol production process polluted the Bengawan Solo tributary as the Water Supply Corporation (WSC). In order to overcome these problems, we need a measurement that can increase production efficiency. Eco-efficiency is a concept that combines efficiency and economy based on efficiency principles. The different models are proposed to measure the eco-efficiency of production, namely with a weighting system that aggregates environmental results. The Data Envelopment Analysis (DEA) enables aggregation without the need for subjective or normative judgments about weights. Although DEA does not require subjective or normative judgments, weight restrictions can be incorporated into the framework. The purpose of this study was to determine the eco-efficiency of the Bekonang alcohol production process using the economic results of the production process and the environmental impact assessed through a life cycle assessment (LCA). There were three products, namely 30% alcohol for consumption, 90% alcohol for medical purposes, and hand sanitizer. The environmental impact was assessed from a life cycle assessment, while the economic assessment was determined by calculating the net profit for each product at a capacity of 100 liters/day. Economic assessment can be divided into two perspectives, namely the Social Perspective (SP) and Company Perspective (CP). From the modeling results, the most eco-efficient production process was hand sanitizer with an eco-efficiency value of 1.ABSTRAKPertumbuhan ekonomi dapat dinilai melalui perkembangan industri, tetapi masalah muncul terkait pembuangan limbah ke danau atau sungai yang menyebabkan hilangnya keanekaragaman hayati yang membahayakan kesehatan manusia. Penelitian yang dilakukan di Inggris menyatakan, jika penyumbang limbah dan polusi terbesar adalah dari usaha kecil menengah (UKM), karena mereka mengabaikan peraturan yang mengatur tentang pengelolaan lingkungan. Seperti yang terjadi di sentra industri alkohol Bekonang, limbah hasil proses produksi alkohol mencemari anak sungai Bengawan Solo sebagai suplai air PDAM. Untuk mengatasi masalah tersebut diperlukan suatu pengukuran yang dapat meningkatkan efisiensi produksi. Eko-efisiensi merupakan konsep yang menggabungkan efisiensi dan ekonomi berdasarkan prinsip efisiensi. Model yang berbeda diusulkan untuk mengukur eko-efisiensi pada suatu produksi, yaitu dengan sistem pembobotan yang mengagregasi hasil lingkungan. Analisis data envelopment analysis (DEA) memungkinkan agregasi tanpa membutuhkan penilaian subjektif atau normatif pada bobot. Meskipun DEA tidak memerlukan penilaian subjektif atau normatif, pembatasan bobot dapat dimasukkan ke dalam kerangka kerja. Tujuan dari penelitian ini adalah untuk mengetahui nilai eko-efisiensi proses produksi alkohol Bekonang, menggunakan hasil ekonomi dari proses produksi dan dampak lingkungan, yang dinilai melalui life cycle assessment (LCA).Terdapat tiga produk yang dianalisi, alkohol 30% untuk konsumsi; alkohol 90% untuk keperluan medis; dan hand sanitizer. Dari hasil pemodelan yang telah dilakukan, proses produksi yang paling eko-efisien adalah hand sanitizer dengan nilai eko-efisiensi adalah 1.

scholarly journals Case study of life cycle assessment on battery container

2018 ◽  
Vol 74 ◽  
pp. 05005
Author(s):  
Laurence ◽  
Josephine Kasena
Keyword(s):  
Global Warming ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Energy Consumption ◽  
Environmental Impact ◽  
Production Process ◽  
Environmental Damage ◽  
Positive Effects ◽  
Potential Environmental Impact ◽  
The Impact

Every year, the total of plastic industry in Indonesia grows rapidly. Not only giving positive effects on economic, but industrial development also causing a negative impact on the environment. Those negative impacts are caused by inefficiently using of resources and industrial waste which could pollute the environment. Therefore, it is necessary to calculate the impact itself by using the Life Cycle Assessment (LCA) method. The LCA could help us to take better decision to improve the production process and products which could minimize the energy consumption and resources. PT XYZ is a plastic injection company. This company hasn't collected, calculated and analysed their products and production process which may contribute to environmental damage. Therefore, this study will collect the data about the potential environmental impact which caused by the product of PT XYZ. LCA was performed at plastic car battery container type "X" and type "Y" using IMPACT 2002+ method in SimaPro8 software. The result of data calculation showing that the potential environmental impact is more dominant in these categories: respiratory inorganics, non-renewable energy, and global warming. The component which caused the greatest potential for respiratory inorganics and global warming is coming from electrical energy consumption (lignite).

Life Cycle Assessment of Lead Production in China

2019 ◽  
Vol 944 ◽  
pp. 1123-1129
Author(s):  
Wan Yi Sun ◽  
Xian Zheng Gong ◽  
Bo Xue Sun ◽  
Qing Ding
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Impact Load ◽  
Assessment Model ◽  
Smelting Process ◽  
Cumulative Emission ◽  
Toxicity Potential ◽  
Lead Production ◽  
Depletion Potential

This study analyzed the environmental impacts due to lead production in China, which is the largest producer and consumer of lead in the world, by the method of life cycle assessment (LCA). Based on the Chinese refined lead smelting process, a process-based life cycle assessment model was established to assess the environmental load of lead production system which includes the processes of mining, beneficiation, smelting, electrorefining and transportation. The result shows that the cumulative consumption of electricity and the cumulative emission of green house gases for the production of 1t of refined lead are 1111.93kWh and 2.06E+03kg CO2 eq, respectively. Smelting process is the largest contributor to the environmental impact load, accounting for 51.16% of the total environmental impact. The environmental category of human toxicity potential(HTP), accounting for 35.26% of the total environmental impact, is the largest contributor between different environmental categories to the total environmental impact, followed by metal depletion potential(MDP) and fossil depletion potential(FDP), accounting for 27.94% and 11.80% of the total environmental impact, respectively. Improving the resource efficiencies of the processes of smelting and beneficiation, and using cleaner energy to generate electricity are the key approaches to reduce the overall environmental impact of lead production in China.

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