References: EPA 932-F-99-073 (Sept 1999) Wastewater Technology Fact Sheet‚ Sequencing Batch Reactors Wilderer‚ Irvine‚ and Goronszy; Sequencing Batch Reactor Technology; Scientific and Technical Report No. 10‚ IWA Publishing.
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pH In chemistry‚ pH is a measure of the acidity or basicity of an aqueous solution. Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline. Pure water has a pH very close to 7. pH is defined as the decimal logarithm of the reciprocal of the hydrogen ion activity‚ aH+‚ in a solution. Universal indicator consists of a mixture of indicators such that there is a continuous color change from about pH 2 to pH 10. Universal indicator paper
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the removal of toxic or recalcitrant organic pollutants from wastewater. The most common adsorbents on the market today are activated carbon‚ silica gel‚ and alumina‚ because they have large surface areas per unit weight. Activated carbon is produced by roasting organic material to decompose it to granules of carbon - coconut shell‚ wood‚ and bone are common sources. Also activated carbon is the most commonly used adsorbent in wastewater treatment. As Silica gel is a matrix of hydrated silicon dioxide
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Master of International Studies 95.803 Business‚ the Environment and Social Responsibility Lecturer: Rashid Ameer Discussion paper Confronting the challenges of sewerage management in Island of Barbados Name: Tsoy Evgeniy ID: 2122207 Due Date: Thursday‚ 14 June‚ 2012 An exotic and dwelling place of unique phenomenon attracts millions of tourists every year. This is Caribbean‚ island of Barbados‚ paradise in the seventh heaven. The idea that
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Low-Impact Fiber-Reactive Dyes The sustainability of our environment is crucial in saving the livelihood of the people and the planet. Since we are all interdependent‚ we will all have to do our part in sustaining our environment for the future. We should always be questioning and doing more about it rather than just talking or ignoring the facts. Most of us do not realize the excessive use of resources we have taken advantage of over the years. Generations past have exploited our planet which
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companies are so influential and why it is difficult to fight against their operation. Natural gas explora-tion and production activities are under the Texas Railroad Commission (TRRC) “which exhibits more of a promotional emphasis rather than concerns for safety and the environment in its dealings with the oil and gas companies.” (Davis‚ C.‚ 2012). Although the TRRC found complaints regarding water contamination in wells near Fort Worth area‚ to be without merit‚ their findings were subsequently
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Environmental pollution in Dhaka city INTRODUCTION: Pollution is an undesirable change in the physical‚ chemical or biological characteristics of air‚ water‚ soil or food that can adversely affect the health‚ survival or activities of human or other living organisms. The effects of water pollution are far-reaching and affect not only the environment‚ but human beings and animals as well. The pollution in Dhaka has reached alarming levels‚ threatening public health‚ ecosystems and economic
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H&M. Ethics and social responsibility of the Swedish fashion giant (case study) Author: Maria Roszkowska-Śliż‚ Katedra Teorii Zarządzania‚ Kolegium Zarządzania i Finansów‚ Warsaw School of Economics Source: “Style and Substance. Sustainability Repot 2009”‚ H&M 2010 Warsaw‚ 2011 H&M Ethics and social responsibility of the Swedish fashion giant H&M is one of the world’s largest fashion company employing 76 thousand people. The company‚ established in Sweden in 1947‚ owes now around
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Watson‚ a young managerial accountant and assistant production manager for Lorman Lumber Co.’s Yamica sawmill. Ben has been with the company for six years‚ where he is working on an analysis of a proposed capital investment to recapture and recycle wastewater by refitting the Sawmill with a closed cycle system. Ben is under significant pressure because of this project: • • The data collected for the analysis is based on educated estimates‚ which given the sensitivity of the project‚ creates an uneasy
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Coca-Cola Managing Resource Constraints in China Background China is a major and expanding market for Coca-Cola. Surging sales in emerging markets like China and India have been credited for Coke’s best sales growth for almost nine years with sales rising 19% from 2007 (The Times‚ 2007). According to President of Coca-Cola China‚ Doug Jackson‚ the company currently counts China as it’s fourth-largest market in terms of revenue‚ although it is expected to overtake Brazil to become its third-largest
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