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Wyświetlanie 1-2 z 2
Tytuł:
The Relationship of Dust Exposure with Respiratory Disorders Symptoms Among Textile Industry Workers
Autorzy:
Berlian, Alifia Intan
Setiani, Onny
Sulistiyani, Sulistiyani
Raharjo, Mursid
Darundiati, Yusniar Hanani
Powiązania:
https://bibliotekanauki.pl/articles/24201788.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
dust exposure
respiratory symptoms
textile industry
Opis:
Preliminary study of the total dust exposure in the textile industry of Semarang city is 233 μg/Nm3, which exceeds the quality standard. The high concentration of dust is influenced by increased productivity, so that it has the potential as a source of pollutants that can affect the respiratory system of workers. The purpose of this study was to determine the relationship between dust exposure and respiratory disorders symptoms in workers. The method used is a cross-sectional study with a sample size of 161 people and 6 points of dust measurement locations. The Modified Medical Research Council (MMRC) standardized questionnaire was used to collect data. The data were analyzed using the SPSS 24 with Chi square and Binary logistic regression tests to determine the relationship. The results showed that the average dust concentration exceeded the quality standard, namely 4 location points for PM2.5, 1 location point for PM10, and 2 location points for total dust. The average exposure to respirable dust is 3.93 μg/m3, which exceeds the quality standard. A total of 57% of workers experienced symptoms of respiratory disorders with the results of bivariate statistical analysis of 5 significant variables, namely PM2.5 (p = 0.021), PM10 (p = 0.002), total dust (p = 0.000), respirable dust (p = 0.002), and working period (p = 0.037). Meanwhile, the results of the binary logistic regression test had 2 significant variables, namely total dust (p = 0.000) and respirable dust (p = 0.006). The conclusion of this study is that total dust and respirable dust that exceed the quality standard have a higher risk of causing respiratory disorders symptoms with a probability of 71.6% and dust may be minimized by adding a pneumablo to each machine.
Źródło:
Journal of Ecological Engineering; 2023, 24, 3; 35--46
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Economic Valuation and Effectiveness of Utilizing Electrocoagulation System in Reducing Chemical Oxygen Demand of Textile Industry Wastewater
Autorzy:
Fikri, Elanda
Sintawati, Nita
Ruhmawati, Tati
Powiązania:
https://bibliotekanauki.pl/articles/125280.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
economic valuation
electrocoagulation
Chemical Oxygen Demand
COD
textile industry
Opis:
Industrial activities vary greatly. The textile industry processes produce solid and liquid waste. The liquid waste comes from the process of reviewing threads, removing lubricants from synthetic fibers before weaving, and from the dyeing process. The purpose of this research is to determine the economic valuation and effectiveness of utilizing an electrocoagulation system in reducing Chemical Oxygen Demand (COD) of the textile industry wastewater. This research is a kind of an experimental study involving the pretest and posttest without control design. The research strategy consisted in 9 volt voltage and 5A electric current density with a 3 cm electrode plate distance. The container used in electrocoagulation process was made of plastic with the dimensions of 48.5×27.5×31 cm. The sampling technique was grab sampling with 3 treatments and 6 repetitions. The sample size was 45 liters. The results of this research indicate that the electrocoagulation method can reduce the level of Chemical Oxygen Demand (COD) in the textile production wastewater. The COD level before treatment was 221.5 mg/l, after electrocoagulation with 8 electrode plates dropped to 23.0–41.0 mg/l (85.26% decrease). The economic effectiveness and efficiency of the use of electrocoagulation compared to using conventional method in reducing COD level is only Rp 47.59/liter, while the conventional method reaches Rp 117.089/liter.
Źródło:
Journal of Ecological Engineering; 2019, 20, 8; 35-43
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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