نتایج جستجو برای: waste water treatment

تعداد نتایج: 1955078  

2005
Fernando J. Trevino

Waste stabilization ponds (WSP) have been used world-wide over the last 50 years for municipal and industrial wastewater. The waste water treatment system has been accepted and used to change the physical, chemical, or biological character of the waste. This article presents the characteristics, parameters, and examples of the waste stabilization ponds all over the world. This work was based on...

ژورنال: طلوع بهداشت یزد 2017

Introduction: With attention to the existence numerous numbers of industrial towns and them volume of generated wastewater  and problems of shortage of water in the Yazd province, therfore the proper wastewater treatment and efficient management of waste water of industrial towns for reuse of them  is one of  the most important of program for reducing & saving in water consumptio...

Journal: :Journal of environmental sciences 2015
Hong Guo Kwanho Jeong Jiyeon Lim Jeongwon Jo Young Mo Kim Jong-pyo Park Joon Ha Kim Kyung Hwa Cho

Of growing amount of food waste, the integrated food waste and waste water treatment was regarded as one of the efficient modeling method. However, the load of food waste to the conventional waste treatment process might lead to the high concentration of total nitrogen (T-N) impact on the effluent water quality. The objective of this study is to establish two machine learning models-artificial ...

Journal: :Japan journal of water pollution research 1990

2014
B. Bharathiraja D. Yogendran R. Ranjith Kumar M. Chakravarthy S. Palani

Municipal sewage sludge is a solid, semisolid, or liquid muddy looking residue that results after plain old sewage (human and other waste from households and industries) is treated at a waste water treatment plant. Recent restrictions on the use of sewage sludge, however, have resulted in increased disposal problems. Sludge contains a variety of organic and inorganic compounds in the waste wate...

تکدستان, افشین, جوانمردی, پرویز, عروجی, نغمه, نظرزاده, عادل,

Background and purpose: Estrogen is a steroid hormone that enters water sources through urban and hospital waste water and is a serious threat to aquatic organisms, especially fish, and human health. The aim of this study was to evaluate the performance of municipal and hospital waste water treatment, especially biological treatment in removal of estrogenic compounds. Materials and methods: ...

ژورنال: توسعه آبزی پروری 2019

Abstract This study was conducted to test the effect of bioremediation the polychaete worm Nereis diversicolor in order to removal of wastewater nutrition derived different densities Huso huso. The aim of this study was determination of different densities for creating the equivalence for rearing of N. diversicolor and H. huso rate in the integrated culture system. Three different densities of ...

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