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Physical Characteristics of Solid Waste

In order to identify the exact characteristics of municipal wastes, it is necessary that we analyze those using physical, chemical and biological parameters which are discussed below:

Factors Affecting Solid Waste Management System

Following are the factors affecting solid waste management system, its design, development, and operation: Institutional Factors Social Factors Financial Factors Economic Factors Technical Factors Environmental Factors

Collection of Solid Wastes

Collection of Solid Wastes and separated waste in an urban area is difficult and complex because the generation of residential and commercial-industrial solid waste takes place in every home, every apartment building, and every commercial and industrial facility as well as in the streets, parks, and even vacant areas.

Generation of Solid Waste

Generation of solid waste is a result of natural, human and animal activities. Knowledge of generation of solid waste is important in the planning, designing and operation of solid waste management system. Generation has two aspects: One is the quality of solid waste and the other is the quantity of solid waste.

Functional Elements of Solid Waste Management System

A comprehensive solid waste management system comprises of six basic functional elements including generation of the solid waste, on-site handling & storage, its collection, transfer & transport, material and resource recovery and disposal. Generation of solid waste is a result of natural, human and animal activities. Knowledge of generation of solid

Types of Solid Wastes - Based on Origin and Composition

Solid wastes are the organic and inorganic waste materials such as product packaging, grass clippings, furniture, clothing, bottles, kitchen refuse, paper, appliances, paint cans, batteries, etc., produced in a society, which do not generally carry any value to the first user(s). Solid wastes, thus, encompass both a heterogeneous mass of wastes from the urban

Hospital Waste - Definition, Risks and Segregation Guidelines

Hospital waste or Biomedical waste are any kind of waste that contains infectious or potentially infectious material. These materials can include waste generated by healthcare facilities like clinics, hospitals, laboratories, medical research facilities, and veterinary clinics. Medical waste can contain bodily fluids like blood or other contaminants.

Hospital Waste Landfill in Peshawar

Landfill is generally considered when adequate incineration facilities are not available. The site of landfill should be away from any possible pollution of ground water and rivers. Only the bio-medical risk waste is buried in a landfill designed for this purpose, to maximize the life of the site.

Clinical Wastes, Hospital Radiation & Radiography

These include human and animal tissue on excretions, drugs medicinal products, swabs and dressing etc. This classification is expended due to their importance and the fact that these affect our Environment and ecological system, ultimately effect on our health. A study based on a survey of some 17 hospitals indicates that solvent and chemicals are the

Types of Settling in Waste Water Treatment Plants

Discrete, non-flocculent particles in a dilute suspension - settle as separate units, and there is no apparent flocculation or interaction between the particles - settling of sand particles in grit chambers. Settling of flocculent particles in a dilute suspension - flocculate during settling and increase in size and settle at a faster velocity - settling in primary

Purpose and Methods of Treatment of WasteWater

The prehistoric and the Old civilization established themselves near water sources. While the importance of water quantity for drinking purposes was apparent to our ancestors treatment processes was not well known. Water treatment originally focused on improving the aesthetic and Sight qualities of drinking. Ancient Sanskrit & Ancient Greek writings

Types of WasteWater Treatment Ponds

Based upon the range of biological reactions occurring in pounds there are three types of ponds. Aerobic (high-rate) pond in which there is no significant anaerobic or sludge zone. Anaerobic ponds, in which the contribution of any possible aerobic surface layer is small. Oxidation ponds (so called facultative or aerobic anaerobic pond in which have the whole range of reaction

Solid Waste Landfill Site Selection

Land area and volume should be sufficient enough to provide landfill capacity so that the projected need can be fulfilled for several years. In this way the cost coming on all that procedure can be justified. The landfill site should not be at locations where suitable buffer zones between land fill site and population are not available. The landfill area having steep gradient (where

Municipal Solid Waste Generation & its Disposal Practices in Pakistan

Solid waste can be defined as material that no longer has any value to the person who is responsible for it, and is not intended to be discharged through a pipe. It is generated by domestic, commercial, industrial, health care,agricultural and mineral extraction activities and accumulates in streets and public places. The words "garbage", "trash", "refuse" and "rubbish" are

Design of Screening Devices and Its Types

Located at the intakes from river, lakes & reservoirs for water treatment plant or at wet well into which main trunk sewer discharge for waste water treatment plant. They are also located before the pumps in storm water & waste water pumping plant. In case of industrial waste water treatment there is usually no need of such equipment. These devises remove the coarse

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