Development and Application of a Pond Water Filtration Unit Using a Simple Ceramic Filter in a Rural Area of Bangladesh

The goal of this project is to design a point-of-use water filtration device constructed from locally available geological materials, which is capable of filtering out Vibrio cholerae bacteria. Vibrio cholerae occurs naturally in tropical seawater, as well as in human waste. It is a water-borne pathogen, and thus human populations are especially vulnerable during and after natural crises such as floods, tsunamis and earthquakes. The basic filtration unit uses readily available supplies including pop bottles, fabric (such as that from a T-shirt), and a geologic material, such as sand, clay or zeolites. Tests utilizing yeast as a surrogate for Vibrio cholerae are currently ongoing.

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Application of a simple arsenic removal filter in a rural area of Bangladesh

Water Science & Technology Water Supply ◽

10.2166/ws.2012.039 ◽

2012 ◽

Vol 12 (5) ◽

pp. 658-665 ◽

Cited By ~ 4

Author(s):

Md Mahmudul Hasan ◽

Md Shafiquzzaman ◽

Jun Nakajima ◽

Quazi Hamidul Bari

Keyword(s):

Rural Area ◽

Arsenic Removal ◽

Low Cost ◽

Ceramic Filter ◽

Manufacturing Cost ◽

X Ray ◽

Sustained Use ◽

Actual Field ◽

Contamination Levels ◽

X Ray Absorption

A simple and low-cost household-based arsenic (As) removal filter (ARF) was tested under actual field conditions in a rural area of Bangladesh. The ARF consisted of a ceramic filter made of clay soil and rice bran collected on-site, iron netting and iron bacterial sludge liquor. Fifteen ARFs (14 shallow and one deep tubewells) were installed in three villages (five in each area) in the Khulna region (southwestern region of Bangladesh), and their performance was evaluated. More than 60% of ARFs produced effluent with As <50 μg/L (Bangladesh standard level). The effects of Fe and P on As removal were the same as in laboratory experiments. X-ray Absorption Fine Structure (XAFS) analysis showed the adsorption of primarily As(V), with lesser amounts of As(III). Continuous As removal performance was observed over 1 year of ARF use. By introducing a double ARF system, the As removal was significantly enhanced for the region with high As contamination levels. The ARF manufacturing cost was estimated to be US$4–5, which is low and affordable to the rural households of Bangladesh. The ARF, made of locally available materials, had a low cost and minimal maintenance and showed high user acceptance, satisfaction and sustained use.

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Development of Water Filtration Unit Using PVA-Based Composite Membrane and Fly Ash

Lecture Notes in Civil Engineering - Trends in Civil Engineering and Challenges for Sustainability ◽

10.1007/978-981-15-6828-2_45 ◽

2020 ◽

pp. 611-618

Author(s):

Nalini Rebello ◽

Mahima S. Rao ◽

Melroy Royston D’Souza ◽

S. M. Mahesha ◽

Vaishnavi T. Rajeev

Keyword(s):

Fly Ash ◽

Composite Membrane ◽

Water Filtration ◽

Filtration Unit

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Characteristics of Slow Sand Filters for Pond Water Filtration

Transactions of the ASAE ◽

10.13031/2013.40761 ◽

1964 ◽

Vol 7 (3) ◽

pp. 0294-0296

Author(s):

Ronald D. Hill

Keyword(s):

Pond Water ◽

Water Filtration ◽

Sand Filters

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Application of advanced composite modified perlite for degradation of particle size and turbidity in treatment of sewage water

10.5194/dwes-2017-40 ◽

2018 ◽

Author(s):

Ali Reza Taheri Fard

Keyword(s):

Oxygen Demand ◽

Sewage Water ◽

Ceramic Filter ◽

Bottom Part ◽

Advanced Composite ◽

Upward Direction ◽

High Turbidity ◽

Size Of Particles ◽

Filtration Unit ◽

The Cost

Abstract. Water treatment efficiency of several filter media such as perlite, modified (silicated) perlite, zeolite, and sand were studied on sewage water. It was shown that modified perlite removed more than 90 % of turbidity and it functioned more efficient than other materials in case of high turbidity (more than 100 NTU). Filtration through modified perlite significantly decreased the concentration of total nitrogen (from 4 to 1 mg/L), chemical oxygen demand (from 274 to 0.42 MgO/L), concentration and size of particles (from 3870 nm to 56 nm). Filtering device was created with 2 steps syphon, due to having sedimentation part in the bottom part of next part and having two times upward direction in filtration undoubtedly operates better than monolayer filter with mere perlite. The total cost of filtration unit containing whole part of filtration device and advanced composite modified perlite materials as well as evaluates reducing the cost up 12 % compared to ceramic filter.

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Development of water filtration unit for wastewater generated from waste plastics recycling machines

10.1063/5.0007039 ◽

2020 ◽

Author(s):

Keegan Deon Santhmayor ◽

Noel Deepak Shiri ◽

Inas Asiya ◽

Myriam Shankar Krafft ◽

Wolfram Thurm

Keyword(s):

Water Filtration ◽

Waste Plastics ◽

Plastics Recycling ◽

Filtration Unit ◽

Waste Plastics Recycling

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Treatment of Agricultural Wastewater Using Porous Ceramics Composite of Hydroxyapatite and Silica

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.622-623.915 ◽

2012 ◽

Vol 622-623 ◽

pp. 915-918 ◽

Cited By ~ 1

Author(s):

Supansa Intapong ◽

Anirut Raksudjarit

Keyword(s):

Porous Ceramic ◽

Porous Ceramics ◽

Ceramic Composites ◽

Ceramic Filter ◽

Water Filtration ◽

Sintered Ceramic ◽

Agricultural Wastewater ◽

Flow Through ◽

Silica Nanopowder

Porous ceramics filter was prepared by sintering of hydroxyapatite (HA) and silica composite nanopowder. Silica nanopowder of 50 wt% are incorporated into HA nanopowder. The mixing powders are uniaxially compact and then sintering at 900°C-1050°C in air. The characterization of the porous was carried out by scanning electron microscopy (SEM). Filtration studies using porous ceramic were performed for agricultural wastewater. The studies of the water filtration and flow through these porous showed that the sintered ceramic filter at all temperatures reduced the TDS, TS, conductivity, and arsenic (As) content. The water permeated through porous ceramic composites could be compared to drinking water quality.

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Characterization of Amorphous Silica and Crystalline Silica From Rice Husk Ash on Water Filtration Application

10.21203/rs.3.rs-93294/v1 ◽

2020 ◽

Author(s):

Nur Saadah Zainal ◽

Zaleha Mohamad ◽

Mohammad Sukri Mustapa ◽

Nur Azam Badarulzaman

Keyword(s):

Water Absorption ◽

Pore Size ◽

Rice Husk ◽

Rice Husk Ash ◽

Silica Content ◽

Crystalline Silica ◽

Ceramic Filter ◽

Water Filtration ◽

X Ray ◽

Filter Membrane

Abstract The presence of water pollution which consists of heavy metals, fecal and others has produced a major problem. These can lead the water to the toxicity and the impurity of water will be disrupted. Therefore, it would not be safe to drinks and could be threatening to live health. In addition, the current market now is dealing with high-cost production to develop ceramic membranes and has been using expensive material to make the filtration system works. In order to challenge the issue, the preparation of ceramic water filtration at low-cost production and using an effectively silica from natural waste rice husk was evaluated. Rice husk was fired at 700ºC and 1000ºC respectively and produced rice husk ash which mutated to amorphous and crystalline silica. Five samples were fabricated after been mixed with the compositions of rice husk ash, kaolin clay, and wheat flour, used at 40:40:20 ratios by weight respectively. The fabrications of the ceramic membrane were conducted by using dry pressing. The samples then were dried in the oven at 60ᵒC for 1 hour followed by sintering at 1000ᵒC respectively. These samples (OO, C1, C2, N1, and N2) were tagged based on unwashed and washed material with the chemical. The properties of silica which the microstructure and pore size, from rice husk ash were obtained by using X-Ray Fluorescence (XRF) and x-ray diffractometer (XRD). Effect of silica content in ceramic filtration membrane was investigated and characterized in term of porosity, density, water absorption, pore size, the turbidity of water (before and after filtration) and pH value. From the result, sample C2 was the best option to support the objective by 98.60% silica content, 64.82% of porosity, 1.1433 mg/cm3 of density, 40.59% of water absorption, and pH of 7.62 of water after filtration. In general, the quality of the ceramic filter membrane is reliant on the raw material, while the water clarity is dependent on the pore size of the filter membrane.

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