Clean water unit operation design

Author(s):  
Seán Moran
Keyword(s):  
Author(s):  
Tero Luukkonen ◽  
Emma- Tuulia Tolonen ◽  
Jaakko Rämö

This article was produced based on a workshop on Coagulation and flocculation in water treatment, held at National Days of Chemical Education 13 to 14 April 2012. The workshop dealt with the central unit operation of surface water treatment, coagulation/flocculation. There are interesting chemical phenomena related to coagulation and flocculation, and it is possible to demonstrate them with relatively simple equipment. Demonstration, suitable for classroom environment, is presented in the section discussing surface water treatment. Water treatment is for the most part based on chemical phenomena and acknowledging the significance of them will become increasingly important as the supply of clean water decreases globally. This article provides a general view on the sufficiency of water supply in Finland and internationally, and examines the central chemical phenomena in the treatment processes of surface, ground and wastewater.


Author(s):  
Emilda Emilda

The limitations of waste management in the Cipayung Landfill (TPA) causing a buildup of garbage up to more than 30 meters. This condition has a health impact on people in Cipayung Village. This study aims to analyze the impact of waste management at Cipayung Landfill on public health in Cipayung Village, Depok City. The research is descriptive qualitative. Data obtained by purposive sampling. Data was collected by interviews, observation and documentation. Based on interviews with 30 respondents, it was found that the most common diseases were diarrhea, then other types of stomach ailments, subsequent itching on the skin and coughing. This is presumably because the environmental conditions in the form of unhealthy air and water and clean and healthy living behaviors (PHBS) have not become the habit of the people. The results indicated that there were no respondents who had implemented all of these criteria. In general respondents have implemented  3 criteria, namely maintaining hair hygiene, maintaining skin cleanliness, and maintaining hand hygiene. While maintaining clean water storage is the most often overlooked behavior. To minimize this health impact, improvements in waste management in Cipayung landfill are needed along with continuous socialization and education to develop PHBS habits and the importance of maintaining a clean environment.


Waterlines ◽  
1983 ◽  
Vol 2 (1) ◽  
pp. 24-25
Author(s):  
Stephanie Loiacono

Waterlines ◽  
1983 ◽  
Vol 1 (3) ◽  
pp. 21-23 ◽  
Author(s):  
Hilary Byrne
Keyword(s):  

MRS Advances ◽  
2020 ◽  
Vol 5 (61) ◽  
pp. 3153-3161
Author(s):  
Marco Antonio Juárez Sánchez ◽  
Miguel Ángel Meléndez Lira ◽  
Celestino Odín Rodríguez Nava

AbstractDrug contamination in water is one of the current fields of study. Since 1990, the presence of drugs in drinking water has been a concern to scientists and public. In Mexico, these organic compounds are not efficiently removed in wastewater treatment plants; therefore, alternative methodologies have been studied that allow these compounds to have a high percentage of degradation or be completely degraded. One example of these techniques is heterogeneous photocatalysis which has obtained positive results in the degradation of drugs using ZnO nanoparticles. These are commonly selected for their electrical characteristics, even though they disperse in water and an additional unit operation is required to separate them from the liquid medium. To eliminate drugs with nano particles in a single stage, polycaprolactone-based membranes with adhered ZnO nanoparticles, by means of electrospinning, were prepared to degrade drugs such as diclofenac. The technique used has shown to efficiently break down diclofenac in 4 hours according to the capillary electrophoresis readings.


2020 ◽  
Vol 6 (1) ◽  
pp. 86-91
Author(s):  
DESSY ANGRAINI ◽  
Iza Ayu Saufani

Era SDGs (sustainable development goals) merupakan kelanjutan program MDGs (Millenium Development Goals) memiliki tujuan bersama yang universal untuk memelihara keseimbangan tiga dimensi pembangunan yang berkelanjutan, salah satu tujuannya adalah menjamin ketersediaan air bersih dan sanitasi yang berkelanjutan untuk semua orang. Pentingnya ketersediaan air bersih bagi kehidupan masyarakat dapat memberikan pengaruh penting terhadap kesehatan masyarakat,sehingga air yang digunakan untuk keperluan sehari-hari kualitasnya harus memenuhi standar baku mutu kesehatan lingkungan dan persyaratan kesehatan air. Berdasarkan informasi wali jorong palupuah mengatakan bahwa sumber air yang digunakan oleh warga untuk kebutuhan sehari-hari secara fisik berwarna, terdapat endapan pada penampungan air, dan belum pernah diuji keamananya.Penelitian ini bertujuan untuk mengetahui gambaran ketersediaanair bersih di Jorong Palupuah Nagari Pasia Laweh KabupatenAgam.Penelitian ini merupakan penelitian observasional survey dengan rancangan penelitian cross sectional. Populasi dalam penelitian ini adalah semua rumah tangga yang berada di Jorong Palupuah Nagari Pasia Laweh Kabupaten Agam, Sumatera Barat. Sampel penelitian berjumlah 74 KK ditentukan dengan teknik proportionate stratified random sampling dan analisis data dilakukan dengan univariate. Hasil penelitian menunjukkan bahwa karakteristik responden di jorong Palupuah Nagari Pasia Laweh Kabupaten Agam, Sumatera Barat mayoritas berusia 25-45 tahun dengan tingkat pendidikan terakhir adalah tamat SMA. Berdasarkan hasil survey rata-rata jumlah anggota keluarga di jorong Palupuah berjumlah 3 orang (32,4%), dan mayoritas responden bekerja sebagai IRT dengan tingkat penghasilan keluarga rata-rata Rp.1.500.000.Terdapat lima sumber air baku utama yang dijadikan sebagai sumber air bersih oleh masyarakat jorong dan sebagian besar sumber air yang digunakan berasal dari sumber mata air (71.8%). Selain itu, masih ada sebagian masyarakat yang mengeluhkan penyaluran air yang tidak lancar (35,1%). Serta masih ada 41.9% yang mengatakan tidak mudah mendapatkan air bersih. Kualitas air bersih yang disalurkan di Jorong Palupuah termasuk dalam kategori baik. Namun, sebagian besar masyarakat tidak menggunakan PDAM dan sumber air yang digunakan sangat tidak menunjang untuk dikonsumsi.


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