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Книга Pathogen removal using saturated sand columns supplemented with hydrochar CHUNG

Pathogen removal using saturated sand columns supplemented with hydrochar

Автор: CHUNG
Език: Английски език
Корици: С твърди корици
Издател: Taylor & Francis Ltd
Наличност: 50% вероятност
Ще претърсим света
109.70 € 214.56 лв
Lack of clean water is one of the most important public health challenges in less developed communit...

Информация за книгата

Автор
CHUNG
Език
Английски език
Корици
Книга - С твърди корици
Издадена
2018
страници
155
EAN
9781138381698
ISBN
1138381691
Enbook ID
22164897
Издател
Taylor & Francis Ltd
Теглоt
453
Размери
170 x 240

Пълно описание

Lack of clean water is one of the most important public health challenges in less developed communities. Due to insufficient financial and technical resources in places in need, development of low-cost water treatment technologies can play a key role in sustainable water provision. In this context, this PhD research investigated the removal of pathogenic microorganisms in simple sand filtration set-ups supplemented with low-cost adsorbents (hydrochar) produced via hydrothermal carbonization of biowastes.

Two types of hydrochar, derived from hydrothermal carbonization of agricultural residue of maize and stabilized sewage sludge from wastewater treatment plant, were evaluated as adsorbents for Escherichia coli removal in saturated sand columns. The removal efficiency of sand columns amended with these adsorbents improved from 20-70% to ~90 % by alkali activation carried out in room temperatures using 1 M potassium hydroxide solution.

This PhD research also demonstrates the removal of human pathogenic viruses in sand columns supplemented with hydrochar adsorbents derived from stabilized sewage sludge and fresh swine waste. In order to enumerate human pathogenic rotavirus and adenovirus in virus removal experiments, low-cost polymerase chain reaction assays were developed under this PhD study. These assays show a competent performance in analyzing virus concentrations in both laboratory and environmental samples. Amendment with either hydrochar (without alkali activation) in sand columns was able to remove more than 99% of both viruses.

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