COMPARISON OF SBR AND CONTINUOUS FLOW ACTIVATED SLUDGE FOR NUTRIENT REMOVAL Alvin C. Firmin CDM Jefferson Mill‚ 670 North Commercial Street Suite 201 Manchester‚ New Hampshire 03101 ABSTRACT Sequencing batch reactors (SBR) are a flexible configuration of the activated sludge process‚ capable of providing low effluent nutrient levels. The SBR is fundamentally the same as any other variation of the activated sludge process‚ except that it operates in a batch draw and fill mode. The nuances of a
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of Temperature on the Solubility of Carbon Dioxide in Water under Constant Pressure Beijing World Youth Academy Subject: Chemistry Student name: YeiYoung Choo Candidate number: 000791 011 January 21‚ 2009 Teacher Helen Xu The Effect of Temperature on the Solubility of Carbon Dioxide in Water under Constant Pressure (Evaluated for Design) Research Question What is the effect of temperature on the solubility of carbon dioxide gas in de-ionised water under
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Low-carbon economy is an emerging economic system and development model‚ contains a series of new low-carbon industries‚ low-carbon technologies‚ low-carbon city‚ low-carbon life. By substantially increasing the use efficiency‚ large-scale use of renewable energy and low-carbon energy‚ large-scale research and development of greenhouse gas emission reduction technology‚ to build low-carbon society‚ maintenance of ecological balance. Development of low-carbon economy is both a involved in the mode
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Project Proposal (Physics)Page Title: Laser Light Activated Alarm Submitted in partial fulfillment of the requirements in Research IVResearcher: Kimberly Joyce Ruiz Marcelo H. Del Pilar National Highschool‚ Malolos City of BulacanSource: Aldrin D. Abalos Date to be pass: July‚ 2013Reasearch Teacher: Mrs. Norma Lyn GarciaSignificance:This study aimed to
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Cold drinks are composed of alcohol‚ carbohydrates‚ carbon dioxide‚ phosphate ions etc. These soft drinks give feeling of warmth‚ lightness and have a tangy taste which is liked by everyone. Carbon dioxide is responsible for the formation of froth on shaking the bottle. What we wanted to aim is the comparative and qualitative analysis of Coke‚ Sprite‚ and Royal. We tested the Comparative pH ‚ Carbon Acid and Glucose content of different soft drinks. Since soft drinks like Coca-Cola
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CARBON CARBON MULTIPLE BOND PRESENTED BY: WASIQUE AZHAR MSC CHEM (2 SEM) Some basic concept Electrophile : a species with a region of positive or partial positive charge electron-poor Nucleophile: a species with a region of negative or partial negative charge electron-rich TO LERN OBJECTIVE : Elecrophilic Addition to carbon-carbon double bond Stereochemistry of Elecrophilic addition reaction Hydrogenation of double and triple bond Nucleophilic Addition to carbon-carbon double
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and can therefore create many challenges from an operations perspective. The Activated Sludge Process The first major development in Secondary WWT was the introduction of the activated sludge process in England in 1913. The activated sludge process combines sewage‚ a concentrated mass of microbes‚ and QTZ125A Tower Cranes high levels of dissolved oxygen to promote the consumption of organic content. The activated sludge process is still very widely
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V. HAZADOUS WASTE TREATMENT PROCESS Presently‚ the hazardous waste treatment technologies are highly developed from the decade before due to the more environmental and ecosystem concerning. Moreover‚ hazardous waste not threaten only environment but also to human hygiene and health. However‚ one of the most dangerous hazardous waste is dichlorodiphenyltrichloroethane (DDT). Addition‚ DDT is used as a majority pesticide during agriculture revolution period‚ and also uses to regulate Malaria in developing
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Activated charcoal isn’t the dark‚ smelly result of burning wood or coal. This kind of charcoal is created especially for use as a medicine. The manufacturers of activated charcoal heat the common type with gas to produce charcoal with pores that are used to trap toxins. History of Charcoal You might have heard of charcoal because it’s used in hospitals to help treat accidental poisonings in children and adults. The activated charcoal is ingested where it absorbs toxins and poisons out of the stomach
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Activated Sludge Process will encompass * Design of aeration basins. Relevant design parameters are * BOD load from the upstream process * Mixed Liquor Suspended Solids Concentration (MLSS – mg/l) – typically 2‚000 to 4‚000 * Sludge Age 5 to 25 days * Sludge settleabiltiy (SVI ml/g) typically 100-120 * Process Oxygen Demand (POD) * Generally fine bubble diffusers used in modern plant design – actual oxygen transfer efficiency dependent
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