نتایج جستجو برای: solid waste material

تعداد نتایج: 602142  

2015
Mahmoud A. Hassaan M. A. Hassaan

Solid waste represents a key issue that threatens environmental quality in Egyptian urban areas. One of the most viable options to treat such an issue is to incinerate the collected solid waste for electricity generation, which can reduce the cost of solid waste disposal as well as pollution and generate surplus energy. Selecting appropriate site for a solid waste incineration power plant is a ...

2010
JOHN H. SKINNER

On behalf of the International Solid Waste and Public Cleansing Association (lSWA), it is a pleasure to open this First Annual North American Waste-to-Energy Conference. Solid waste management has moved to the forefront of the environmental agenda. The level of activity and concern by citizens and governments worldwide has reached unprecedented levels. Nations are considering restrictions on pa...

2017
Boya Zhou Chunxia Sun Hongtao Yi

China meets increasingly serious solid waste problems and has adopted various policies in response in recent years. Meanwhile, few studies have investigated the performance of solid waste disposal through statistical analysis with empirical data. This study examines provincial resource use policy’s influence on the comprehensive utilization rate of industrial solid waste in Chinese cities. Thro...

Journal: :Bioresource technology 2009
Baoning Zhu Petros Gikas Ruihong Zhang James Lord Bryan Jenkins Xiujin Li

This study was conducted to determine the characteristics and biogas production potential of organic materials separated from municipal solid wastes using a rotary drum reactor (RDR) process. Four different types of wastes were first pretreated with a commercial RDR system at different retention times (1, 2 and 3 d) and the organic fractions were tested with batch anaerobic digesters with 2.6 g...

ژورنال: ارمغان دانش 2021

Increasing population, changing consumption patterns, economic development, changing income, urbanization and industrialization have led to increased production of waste materials and a variety of types of waste. Knowledge of sources and types of waste, along with information about the composition and production rate, is the basis for the design and operation of waste management systems. Theref...

2017
Veena Das Sanjeev Satyanarayan Shanta Satyanarayan

As per the estimates of World Health Organization (WHO) about 80% of world’s population depends on plant and plant products for their primary healthcare. Recently the demand for herbal drugs has increased many folds at the global level, as these herbal medicines do not have any side effects and its cost effectiveness. Huge quantities of solid waste is generated during the production of decoctio...

Journal: :The international journal of occupational and environmental medicine 2014
R Nabizadeh H Faraji A A Mohammadi

BACKGROUND Waste produced in dental clinics has been the topic of investigations for many years. These waste materials have important health impacts and are hazardous to humans and the environment. OBJECTIVE To investigating solid waste production and its management in dental clinics in Gorgan, northern Iran. METHODS In this cross-sectional study, 45 of 143 public dental practices and 5 of ...

Journal: :محیط شناسی 0
علیرضا عرب عامری دانشگاه تربیت مدرس کورش شیرانی مرکز تحقیقات اصفهان جلال کرمی دانشگاه تربیت مدرس عبدالله کلوراژان دانشگاه تربیت مدرس

introductapplication of neural network of multi layers perceptron (mlp) in site selection of municipal solid ‎waste landfilling with emphasis on hydrogeomorphic characteristics (case study: fereydoonshahr city)‎introduction‏:‏cities are at the nexus of a further threat to the environment, namely the production of an increasing ‎quantity and complexity of wastes. the estimated quantity of munici...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2006
D Bolzonella P Pavan S Mace F Cecchi

This paper presents a comparison of dry anaerobic digestion reactors fed with differently sorted municipal organic solid wastes. One reactor was fed with source sorted organic wastes and a second reactor was fed with mixed organic wastes consisting of grey wastes, mechanically selected municipal solid wastes and sludge. The two reactors utilised the same process (Valorga) and operational condit...

2010
Willard Wilson

The Polk County Solid Waste Department, located in Polk County Minnesota, participates in a complete integrated solid waste management program that includes four other counties in northwest Minnesota. One component of the integrated solid waste management program includes the operation of a municipal waste combustor (MWC) that com busts approximately 65 tons per day of processed solid waste. Th...

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