scholarly journals Sistem Mikrokontroler Untuk Menentukan Kualitas Air Yang Dapat di Gunakan Oleh Konsumen dengan Menggunakan Arduino

2021 ◽  
Vol 2 (4) ◽  
pp. 254-259
Author(s):  
Fahri Rahmadani ◽  
Suhada Suhada ◽  
Bahrudi Efendi Damanik
Keyword(s):  
Drinking Water ◽  
Air Quality ◽  
Ph Value ◽  
Clean Water ◽  
Big City ◽  
Water Test ◽  
Arduino Uno

There are now many businesses that provide refilled drinking water in every big city, because besides that, the price that is not too expensive can save time because there is no need for difficulties in obtaining clean water. The owner of the drinking water business still does not know whether the water produced is fit for consumption. Therefore, a tool will be made to measure air quality based on the selected parameter, namely the pH value of the water by using a pH meter sensor based on Arduino Uno and displayed through an LCD screen so that you can see directly the results of the refilled water test.

Children Need Clean Water to Grow: E. Coli Contamination of Drinking Water and Childhood Nutrition in Bangladesh

2019 ◽  
Author(s):  
George Joseph ◽  
Sabrina S. Haque ◽  
Nazia Moqueet ◽  
Yi Rong Hoo
Keyword(s):  
Drinking Water ◽  
Clean Water ◽  
Childhood Nutrition ◽  
E Coli

scholarly journals Promoting Pollution-Free Routes in Smart Cities Using Air Quality Sensor Networks

Sensors ◽  
2018 ◽  
Vol 18 (8) ◽  
pp. 2507 ◽  
Author(s):  
Francisco Ramos ◽  
Sergio Trilles ◽  
Andrés Muñoz ◽  
Joaquín Huerta
Keyword(s):  
Quality Of Life ◽  
Air Quality ◽  
Smart Cities ◽  
Extensive Study ◽  
Current Work ◽  
Quality Level ◽  
Quality Indices ◽  
Big City ◽  
Precautionary Measures

Nowadays, citizens have a huge concern about the quality of life in their cities, especially regarding the level of pollution. Air quality level is of great importance, not only to plan our activities but also to take precautionary measures for our health. All levels of governments are concerned about it and have built their indexes to measure the air quality level in their countries, regions or cities. Taking into account the existing sensor infrastructure within smart cities, it makes possible to evaluate these indices and to know anywhere the level of pollution in real-time. In this scenario, the main objective of the current work is to foster citizens’ awareness about pollution by offering pollution-free routes. To achieve this goal, a technology-agnostic methodology is presented, which allows for creating pollution-free routes across cities depending on the level of pollution in each zone. The current work includes an extensive study of existing air quality indices, and proposes and carries forward to deployment of the defined methodology in a big city, such as Madrid (Spain).

Microbiological Water Methods: Quality Control Measures for Federal Clean Water Act and Safe Drinking Water Act Regulatory Compliance

2014 ◽  
Vol 97 (2) ◽  
pp. 567-572 ◽  
Author(s):  
Patsy Root ◽  
Margo Hunt ◽  
Karla Fjeld ◽  
Laurie Kundrat
Keyword(s):  
Quality Control ◽  
Drinking Water ◽  
Clean Water Act ◽  
Regulatory Compliance ◽  
Control Measures ◽  
Clean Water ◽  
Safe Drinking Water ◽  
Safe Drinking Water Act ◽  
Specificity And Sensitivity ◽  
Microbiological Methods

Abstract Quality assurance (QA) and quality control (QC) data are required in order to have confidence in the results from analytical tests and the equipment used to produce those results. Some AOAC water methods include specific QA/QC procedures, frequencies, and acceptance criteria, but these are considered to be the minimum controls needed to perform a microbiological method successfully. Some regulatory programs, such as those at Code of Federal Regulations (CFR), Title 40, Part 136.7 for chemistry methods, require additional QA/QC measures beyond those listed in the method, which can also apply to microbiological methods. Essential QA/QC measures include sterility checks, reagent specificity and sensitivity checks, assessment of each analyst's capabilities, analysis of blind check samples, and evaluation of the presence of laboratory contamination and instrument calibration and checks. The details of these procedures, their performance frequency, and expected results are set out in this report as they apply to microbiological methods. The specific regulatory requirements of CFR Title 40 Part 136.7 for the Clean Water Act, the laboratory certification requirements of CFR Title 40 Part 141 for the Safe Drinking Water Act, and the International Organization for Standardization 17025 accreditation requirements under The NELAC Institute are also discussed.

scholarly journals ANALISIS WILLINGNESS TO PAY PELANGGAN AIR BERSIH PDAM DI KOTA KUPANG (Analysis of Willingness to Pay Clean Water Customers of PDAM in Kupang City)

2020 ◽  
Vol 25 (1) ◽  
pp. 18
Author(s):  
Tris Mesano Talahatu ◽  
Marthen Robinson Pellokila ◽  
Johanis N. Kallau
Keyword(s):  
Drinking Water ◽  
Willingness To Pay ◽  
Sampling Technique ◽  
Survey Method ◽  
Clean Water ◽  
Class A ◽  
Valuation Method ◽  
Water Rates ◽  
Area Sampling ◽  
Descriptive Survey

AbstrakPDAM Kabupaten Kupang dalam mengelola pelayanan air bersih kepada masyarakat Kota Kupang menghadapi tantangan dalam pelayanannya. Salah satu permasalahan yang dihadapi PDAM adalah menyangkut tarif air minum. PDAM dalam menetapkan tarif selalu mengacu pada peraturan perundangan yang berlaku dengan pertimbangan tarif yang ada dapat memberikan keuntungan setelah biaya operasional dan pengembalian investasi. PDAM tidak pernah melakukan survey untuk mengetahui tingkat kesediaan konsumen dalam membayar tarif air minum. Penelitian ini bertujuan untuk mengestimasi nilai Willingness To Pay (WTP) pelanggan air bersih golongan rumah tangga di Kota Kupang dan menganalisis faktor-faktor yang secara signifikan mempengaruhi WTP pelanggan air bersih golongan rumah tangga di Kota Kupang. Metode penelitian yang digunakan adalah metode survey deskriptif dan teknik pengambilan sampel menggunakan kombinasi antara Area Sampling dan Proportionate Random Samplingdengan 250 responden. Metode valuasi kontingensi digunakan untuk mengetahui nilai WTP pelanggan air bersih. Nilai WTP pelanggan (individu) per bulan dalam membayar air bersih sebesar Rp. 145.489,46 sedangkan nilai total WTP untuk seluruh pelanggan PDAM Kabupaten Kupang golongan rumah tangga A (Rp 20.846 konsumen) per tahun sebesar Rp 36.394.479.684,00. Faktor-faktor yang berpengaruh signifikan terhadap WTP adalah tingkat pendapatan dan jumlah pemakaian air.AbstractPDAM Kabupaten Kupang to manage clean water service always face challenges in its service. One of the problems that PDAM often faces is the tariff of drinking water. The PDAM in determining the tariff always refers to the prevailing law and regulation with the consideration of the existing tariff can give profit after the operational cost and the return of investment. PDAM has never conducted a survey to find out how much the willingness of consumers in paying drinking water rates. This study aims to estimate the value of Willingness To Pay (WTP) of household clean water subscribers in Kupang City and to analyze the factors that significantly affect the WTP of household clean water subscribers in Kupang City. The research method used is descriptive survey method and sampling technique using a combination of sampling area and proportionate random sampling with 250 respondents. Contingency valuation method is used to know the value of PAP of clean water customer. WTP value of customer (individual) per month in paying clean water Rp. 145,489.46 while the total value of WTP for all customers of PDAM Kabupaten Kupang household class A (20,846 consumers) per year amounted to 36.394.479.684,00. Factors that have significant effect on the PAP are the level of income and the amount of water consumption.

scholarly journals Efektivitas Saringan Abu Sekam Padi untuk Menurunkan Kekeruhan pada Air Sungai Martapura

2019 ◽  
Vol 15 (2) ◽  
pp. 647
Author(s):  
Syarifudin A. ◽  
Imam Santoso
Keyword(s):  
Drinking Water ◽  
River Water ◽  
Rice Husk ◽  
Rice Husk Ash ◽  
Preliminary Test ◽  
Quality Standard ◽  
Clean Water ◽  
Research Needs ◽  
The One ◽  
Number Of Bacteria

Abstract: The Effectiveness of Rice Husk Ash Filter to Reduce Turbidity of Martapura River Water. Martapura River water is used by people living on riverbanks for cooking, washing, bathing, and others. The main problem of Martapura river water is the turbidity which is relatively high so it needs to be processed first before use. The preliminary test conducted on August 15, 2016 shows the value of turbidity of Martapura river water at 38.9 NTU. This research was an experimental research with the one group pretest and posttest design which aimed to determine the effectiveness of the filter to reduce the turbidity of Martapura river water. The medium used was rice husk ash with variation of thickness were 13 cm, 26 cm, and 39 cm. The effectiveness of filtration was determined by comparing the turbidity of water filtered with standards. The turbidity of Martapura river water before filtered was 35.7 NTU. After filtered by 13 cm, 26 cm and 39 cm filter, the turbidity of water decreased consecutive to 2.97 NTU, 1.17 NTU, and 0.95 NTU, with decreasing percentages respectively of 91.7%, 96.7% and 97.3%. All filtered water showed turbidity fulfilled both the standar of clean water and drinking water so that rice husk ash filter was effective decreased turbidity of Martapura river water. Filtered water is recommended to be cooked first to boil when used for drinking water because the number of bacteria of Coli has not been studied. Further research needs to be conducted by adding other parameters according to water quality standard

scholarly journals Analisis Kualitas Air Hujan Sebagai Sumber Air Minum Terhadap Kesehatan Masyarakat (Studi Kasus di Kecamatan Bangko Bagansiapiapi)

2015 ◽  
Vol 2 (1) ◽  
pp. 32
Author(s):  
Khairil Anuar ◽  
Adrianto Ahmad ◽  
Sukendi Sukendi
Keyword(s):  
Drinking Water ◽  
Local Government ◽  
Health Effects ◽  
Rain Water ◽  
Physical Parameters ◽  
Clean Water ◽  
Chemical Parameters ◽  
The Public ◽  
The People ◽  
Public Drinking Water

This study was conducted from May 2013 - May 2014. Locations research wasconducted in the District of Bangko Bagansiapiapi. This study aims to determine the qualityof rainwater as a source of public drinking water in the District of Bangko Bagansiapiapi,knowing the health effects of consuming rainwater as drinking water and contribute ideas forthe Government of Rokan Hilir to be able to hold clean water for the people of the District ofBangko Local Government of Rokan Hilir . The results were obtained as follows: (1). Thequality of rainwater in the study site based on the results of laboratory parameters in terms ofinorganic chemistry, physical parameters, chemical parameters still below the drinking waterquality standards that are required by Minister Regulation No. 492 / Menkes / Per / IV / 2010showed that the rain water at the study site that rain water can be consumed by the public andis not harmful to health. 

Fluoride Toxicity in the Fish Channa punctatus and its Reversibility by Ascorbic Acid

2018 ◽  
Vol 2 (01) ◽  
Author(s):  
Rajesh Gupta ◽  
Krishna Gopal ◽  
Madhu Tripathi ◽  
U. D. Sharma
Keyword(s):  
Ascorbic Acid ◽  
Drinking Water ◽  
Freshwater Fish ◽  
Toxic Metals ◽  
Channa Punctatus ◽  
Toxic Effects ◽  
Clean Water ◽  
Fluoride Toxicity

Flouride toxicity has acquired a massive form in present times since we have to dig deeper and deeper in search of drinking water. Deeper levels are richer in toxic metals and non metals like Arsenic and Flourides. The present study takes a common freshwater fish Channa punctatus as a bioassay of fluoride toxicity and studies the effects of reversal of toxic effects by use of Ascorbic acid and by keeping the fish in clean water. The results have been compiled in the form of graphs and photomicrograph.

Water for Life

2030 ◽  
2010 ◽  
Author(s):  
Rutger van Santen ◽  
Djan Khoe ◽  
Bram Vermeer
Keyword(s):  
Drinking Water ◽  
New Technology ◽  
Clean Water ◽  
Human Beings ◽  
Sewer System ◽  
Cattle Feed ◽  
The Earth ◽  
Basic Sanitation ◽  
Rain Fall ◽  
State Of Affairs

Over a billion people don’t have access to a safe water supply. And a third of the world’s population lacks basic sanitation with the result that more than 2 billion human beings are afflicted with infections that result in diarrhea and other diseases. Tens of millions of them die every year. Improving this state of affairs poses a massive challenge. Take sanitation: What if we could provide basic facilities for all those people over the next 20 years? You’d have to hook them up to the sewer system at the rate of half a million a day. We know how to install individual toilets and sewage pipes, but a project on that kind of scale is way beyond our capabilities. It would not only require new technology but a huge amount of money and political will, too. The challenges for providing all humanity with access to clean water are similarly gigantic. It’s not a matter of scarcity. There is enough drinking water for everyone on Earth even as its population continues to grow. According to the United Nations, a human being needs 20 liters of drinking water a day to live healthily. Every year, 100,000 cubic kilometers of rain fall on the earth, which translates into 40,000 liters per person per day. That would be plenty even if you only manage to tap a tiny fraction. Sufficient drinking water is available for all even in the driest regions of the earth. The problem is one of quality: People don’t die of thirst; they die from drinking water that’s not safe. The use of water for agriculture is another story. Roughly 70 percent of the human use of fresh water is for farming. People rarely realize just how much water agriculture requires. It takes 1,000 liters to grow the wheat for a single kilogram of fl our, for instance. Other products soak up even larger amounts of water. A kilogram of coffee needs 20,000 liters, and a liter of milk takes 3,000—mostly for the cattle feed and the grass consumed by the cow.

scholarly journals Characterizing a Newly Designed Steel-Wool-Based Household Filter for Safe Drinking Water Provision: Hydraulic Conductivity and Efficiency for Pathogen Removal

Processes ◽  
2019 ◽  
Vol 7 (12) ◽  
pp. 966 ◽  
Author(s):  
Raoul Tepong-Tsindé ◽  
Arnaud Igor Ndé-Tchoupé ◽  
Chicgoua Noubactep ◽  
Achille Nassi ◽  
Hans Ruppert
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Hydraulic Conductivity ◽  
Ph Value ◽  
Iron Concentration ◽  
Progressive Increase ◽  
Total Coliform ◽  
Drinking Water Quality ◽  
Safe Drinking Water ◽  
Steel Wool

This study characterizes the decrease of the hydraulic conductivity (permeability loss) of a metallic iron-based household water filter (Fe0 filter) for a duration of 12 months. A commercial steel wool (SW) is used as Fe0 source. The Fe0 unit containing 300 g of SW was sandwiched between two conventional biological sand filters (BSFs). The working solution was slightly turbid natural well water polluted with pathogens (total coliform = 1950 UFC mL−1) and contaminated with nitrate ([NO3−] = 24.0 mg L−1). The system was monitored twice per month for pH value, removal of nitrate, coliforms, and turbidity, the iron concentration, as well as the permeability loss. Results revealed a quantitative removal of coliform (>99%), nitrate (>99%) and turbidity (>96%). The whole column effluent depicted drinking water quality. The permeability loss after one year of operation was about 40%, and the filter was still producing 200 L of drinking water per day at a flow velocity of 12.5 L h−1. A progressive increase of the effluent pH value was also recorded from about 5.0 (influent) to 8.4 at the end of the experiment. The effluent iron concentration was constantly lower than 0.2 mg L−1, which is within the drinking-water quality standards. This study presents an affordable design that can be one-to-one translated into the real world to accelerate the achievement of the UN Sustainable Development Goals for safe drinking water.

scholarly journals Rain water quality assessment as air quality indicator in Pakistan

2019 ◽  
Vol 54 (2) ◽  
pp. 161-168
Author(s):  
G Yaqub ◽  
A Hamid ◽  
S Asghar
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Air Quality ◽  
Water Quality Assessment ◽  
Rain Water ◽  
Domestic Water ◽  
Indirect Evaluation ◽  
Potential Use ◽  
Insight Into

Rain is an effective way for removing pollutants from the atmosphere. The present study was initiated to determine rain water quality for its safe use as potable water, as well as a tool for indirect evaluation of air quality of different study areas. A total of 20 rain water samples were collected from areas including Kasur, Sheikhupura, Gujranwala and Lahore. The pH (5.49 + 0.323), turbidity (12.267 + 5.933NTU), Cl- (4785 + 1458.32ppm) and F- (16.44 + 4.52ppm) contents of samples are not in compliance with drinking water quality limits (Pakistan, WHO). Average sulphate (1.396 + 0.384 ppm) and NO3 − concentrations (52.35 + 12.11ppm) varied between 1.005-2.05ppm and 36.79-81.3ppm, respectively. Heavy metals analysis showed presence of Cu, Co, Mn and Zn concentrations below WHO limits while Cd and Pb concentrations exceeded WHO limits with values ranging between 0.005ppm-0.017ppm and 19ppm-254ppm, respectively . Findings indicate that rain water can provide an insight into the air quality of an area and its potential use as an alternative to drinking water, especially in areas of short domestic water supply. Bangladesh J. Sci. Ind. Res.54(2), 161-168, 2019

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