Purpose And Importance Of Tertiary Treatment Environmental Sciences Essay

Purpose And Importance Of Tertiary Treatment Environmental Sciences Essay The main purpose of the tertiary treatment is to ensure that the treated water which is to be released on to the environment is biologically accepted by all other fresh water organisms such as weeds and algae. This part of the treatment includes processes like physical water treatment, lagooning, and excessive nutrient removal processes.to ensure that the discharged water is raised in effluent quality before proceeding to the final stages. In physical water treatment, much of the residual suspended matters are removed using only physical processes such as sedimentation  method and the infamous filtration method. In the sedimentation  method, the water is place in a certain tank to allow all the remaining heaver objects to sink down to the bottom of the container. After few hours went most of the dense object are separated from the water, the cleared effluent or waste stream is removed. Sedimentation is one of the most common methods, quite often used at the beginning and the end of many water treating processes. Another physical method that is commonly used in the sewage water treatment system is the filtration method. In filtration, the water is allowed to pass through filters to separate the contaminating solids from the water. Sand filter is a common filter used in this process. In a number of wastewater treatment methods, semi-solid contaminants like grease and oil are allowed to float on the surface of the wat er, and then they are physically removed. Besides the in lagooning where lagoon is a stationary system having a continuous flow: several ponds working in parallel in which the inlet flow and the outlet flow are equals form lagoon plants. The lagooning technique is a natural and very efficient technique that consists in the accumulation of wastewater in ponds or basins, known as biological or stabilization ponds, where a series of biological, biochemical and physical processes take place. In these ponds or lagoons, certain types of the microorganism are actually supported as these biological agents help in treating the water further by removing the fine particulates. These types of biological ponds are usually classified as anaerobic ponds or oxidation ponds depending on the shape, depth, organic rate, level of treatment of that particular lagoon itself. The excessive nutrient removal is the most viral step in the last stages of the water treatment before the water is released to the environment. When the previously treated water comes to this area of the system, the nutrients level mainly nitrogen and phosphorus in the water is checked. Where if found in excess, the excessive nutrient removal step is carried out. This is because if the unchecked water supply is to be released into the natural water system (river, pond, etc.) it will cause a sudden increase in the native microorganism population of that certain water system. Some of the native microorganisms which are commonly found in ponds today are usually weeds, algae, and cyanobacteria. Therefore, after the sudden rapid grown in the population of these microorganisms, the number of algae for example, becomes unsustainable which causes most of them to die and eventually decay. The following decay process would substantially increase the biochemical oxygen demand (BOD) in that par ticular pond, which would cause the other fresh water living organism such as fishes to die as well. Firstly, the nitrogen removal process is carried out. There are various methods of removing nitrogen, each with advantages and disadvantages. However, the biological treatment method is used most commonly. With this method, organic nitrogen and ammonia nitrogen is converted into nitrous and nitrate nitrogen in an aerobic environment, and is dispersed into the atmosphere as anaerobic nitrogen gas. Therefore the gas is removed from the water and released to the atmosphere. And as there is no secondary pollution, this can be called an effective method. In the removal of phosphorus is usually carried out using a method called enhanced biological phosphorus removal (EBPR). The first process in EBPR is the mainstream biological treatment process. Where the utilizing of aerobic and solids separation zones and the provision of return activated sludge are carried out. The next is a first side stream process for anoxic/anaerobic selection of desirable BPR organisms such as the polyphosphate accumulating organisms (PAOs). Finally, a second side stream process serves to ferment organic material in some of the return activated sludge to produce food utilized in the first side stream selection process. The system permits the three processes to be separated from each other by creating two side streams, allowing all three processes to be controlled separately and optimized in satisfying their own specific goals. Besides this biological method, the removal of phosphorus can also be done via chemical precipitation, usually with salts of iron, alu minum, or lime. Chemical precipitation is usually more reliable, easier to operate, and requires smaller equipment footprint than biological removal. But the main back draws of this chemical method is that it may form excessive sludge production as hydroxides precipitates and the chemical used in this method might be considered expensive. The importance of Wastewater Treatment in our society Water scarcity is the major problem that is faced all across the world. Although 2/3rd of the earths crust is made up of water but all this water is not available for drinking and for other human activities as either it is locked in the form of ice or present in the form of vast saline oceans and seas. It has been found out that 97% of the total water is salty that is of no use to human and animals (except marine animal) and the remaining three percent is available as freshwater. More than half of this three percent is locked in glacier and less than 0.01% is available as fresh water. So water resources are less as compare to human demand for water. Above this, the major part of water that can be consumed is getting polluted because of human activities. This polluted and untreated water is causing abundant water borne diseases. Then the world is facing a huge climatic change which is further aggravating the water problem. Some of the regions are getting more rain water than earlier and some are getting almost negligible. Experts even believe that the next World War would not be for oil or land but it will be for water. Also because of improper use of water and lack of water treatment, the problem of water crisis will further increase where 884 million people are already not getting easy access to safe drinking water. And a further 2.5 billion people are getting difficult access to water for disposable and sanitation. Agriculture is also overusing and polluting the ground water thus depleting the natural source of water. So here water treatment plants will play important role. Water crisis at present is the biggest problem according to the United Nations. Almost 25 countries of Africa, parts of China, Peru and Brazil in Latin America, some parts of Middle East like Iran, Chile, Mexico, and Paraguay are some of the countries that are facing the water crisis. Even other parts of the world are facing the varied levels of the water crisis. Because of acute shortage of water, the food problems are getting aggravated. About 40 million people in Africa are facing the problem of food shortage. It is expected that if the similar conditions will persist then there will be 500 million till 2025 who will suffer from these problems. Nature has its role but the major water problem is arising because of its increasing consumption and faulty usage. Major chunk of the problem can be solved if the wastewater treatment is taken very seriously and precautions at every step are taken to improve the water quality.

Life in Russia

It is quite possible that Russia may be best known for it†s long, and bitter winters. This extreme coldness also aided the country as a whole by keeping invaders at bay; For example, Adolf Hitler, and his Nazi army, were hesitant in entering the country during World War II. In Moscow, snow covers the ground for at least five months of the year. In the Northernmost region of Russia, there is snow present for between eight and ten months. Most of the coastal waters, such as: ponds, lakes, rivers, and streams, remain frozen during the majority of the year. But after the harsh winter months have past, the weather swings harshly in the opposite direction. During the warmest days of the summer, it is not uncommon for the mercury to hit 100? F, although they average around 60? F. Precipitation throughout the year, rain, sleet, and snow, is usually light to moderate. The wettest part of the country is the European Plain, or the East Siberian Uplands, where rain falls on a daily basis during the spring. The majority of the vast inland receives little or no rain, but approximately four feet of snow during the winter. Russians, like Americans, enjoy watching television, and reading. They also love to play chess; visit the movie theaters; soak up the culture of an opera, or play; travel to a local museum; go for a walk, or participate in sports. The government of Russia strongly supports athletic events, especially team sports. Soccer is unopposed as the most popular participant, and spectator sport in the country. Russians also enjoy gymnastics, basketball, and during the winter, ice hockey is a hit among the children of the countrymen. Russians also enjoy nature. They really enjoy going on hikes, and spending time in the forests. Many have country cottages called dachas. There, they garden, hike, bicycle, swim, fish, gather mushrooms, and take part in the other outdoor activities. Russian people also love going on vacation to places other than their dachas during the summer. Popular vacationing sites include: the Black Sea, the Baltic Sea, and the Volga River. In Russia, fighting has been a way of life, as seen during all parts of its history. Russia has been a fighting country since the 800†³s. They were involved in constant war with the Mongols. Also, civil war has been a enormous problem for the Russians. In the early 1600†³s, a civil war broke out, inspired by an invasion by the Mongols, and the political confusing that followed about killed the country as a whole. Most recently, Russia was involved in World War I, fighting countries such as Germany, and Austria-Hungary. Shortly after, there was another civil war between the Communists and the anti-Communists. This war lasted two years, and ended up with a communist victory that led to the establishment of the USSR, or the Union of Soviet Social Republics, or in Russian, Rus Soyuz Sovetskikh Sotsialisticheskikh Respublik, A union of the several countries that lay around Russia. Politically the USSR was divided (from 1940 to 1991) into 15 constituent or union republics-, Armenia, Azerbaijan, Estonia Gerogia, Kazakhstan, Kirghizia, Latvia, Lithuania, Moldavia Russia, Tadzhikistan, Turkmenistan, Ukraine, and Uzbekistan, until its breakup in 1991. Since then, Russia, and other Soviet republics have become independent nations. The most well known being the Ukraine. Ukraine broke off, and quickly established its own currency, the Ukraine Ruble. The Ukraine is constantly bragging to Russia of all its wealth, but the Ukraine also boasts much higher inflation, and higher unemployment, for they are not as successful as they brag to Russia to be. Russia†s health care is free to its citizens. The government cares a lot about the health of its citizens, and it most certainly shows. They†re committed to meeting the basic needs of its people. Because of their poor economic state, the government does not have sufficient funds to support its health-care systems. This has led to medicine and equipment shortages, and low wages for health-care providers. Russia has an abundance of farmland. Due to the short growing season, insufficient rainfall, and lack of fertile soil, farming in Russia is extremely difficult. Many of the farms are operated like government factories. These farms are called sovkhozys. People do work, but don†t have much say in what†s grown. The other farms, called Kolkhozys, are government controlled, but partly managed by the farmers. What goes on here is that the farmers decide what to grow and the government tells them if it is acceptable to them or not. The major crops grown in Russia are barely, fruits, oats, potatoes, sunflowers, rye, sugar beets, and wheat. The diet of the Russians is very healthy and hearty. They eat bread virtually every meal. They also consume large quantities of sugar. Their main method of preparing food is by frying. They also drink large amounts of tea because coffee is too expensive. Their trademark drink is Vodka. They also drink wine, champagne, beer, and other alcoholic beverages. Alcohol abuse has been and remains to be a major social problem in Russia. The education in Russia is much different then the USA†s method of education its people. It consists of first through 10th grade, plus higher education. Using this method, which may seem abridged to Americans, eliminates two years of useless classes, and allows for Russians to leave school, and either begin to work, or go on to higher education. Elementary school consists of first through fourth grade. Classes meet six days a week for 4 ? hours a day with shorter periods on Saturday. Courses include math, art, music, language, P. E. , simple skills, and history. Intermediate grades consist of fifth through eighth grade. They meet thirty hours a week and are taught, zoology, physics, geography, shop work, and chemistry. Secondary grades consist of ninth through tenth grades and consist of math, science and work skills in different trades. This is to meet the governments need for specialists in science and Industry. Graduates with high marks receive medals and are relieved from required mandatory services so the can continue their education; these mandatory services include 2 years of military service for all graduates, except when they are relieved to pursue higher education. The higher schools that are present in Russia consist of 650 specialized schools and 70 universities which are currently educating some 6 ? illion students. Most programs take five years to complete, and then they must work for the government for 3 years, in order to repay their country for relieving them of their mandatory military service. They receive their diploma after one year of work. Russia thinks education is their road to success, and instead of offering countless useless classes, Russia provides healthy education, with strong emphasis on chemistry. They have over 52 million students and a strong majority of Russia†s country men are able to read and write in their native language. The U. S. S. R has a long constitution that gives all political power to the people and their elected representatives. However the country†s completely controlled by the communists. The Soviet Union lets no other political party to oppose the communist party. The ironic thing is only 17 million of the people in Russia are actually communists. Russia†s government resembles a triangle because each government body has to report to a higher authority. At the top of this triangle is the Supreme Soviet of the USSR The members are elected to 5 year terms and they only meet twice a year for about two weeks. They pass without question all the laws proposed by the communists party. The freedom of the Supreme Soviet is the head of state or president. He is elected by the communist leaders and he handles legislative matters between sessions of the Supreme Soviet. The council of Ministers are another government group in Russia and are the highest executive body. It controls economic and cultural life through various ministries and committees. The council of ministries also handles relations with other nations. It consists of 120 members, many of them are the highest ranking officials in the communist party. The Russian Orthodox Church was the central religion of Russia until the communists came to power. Communists are atheistic (people who are against the belief in God or Gods) and they view religion as â€Å"Opium for the people† a drug, or disease. When the communists came to power they destroyed churches and killed church leaders. However religion in Russia survived. In the 1940†³s, persecutions and restrictions eased up mainly because the church supported the governments choice of being involved in world war two. Then in the late 1850†³s the communists began closing non official places of worship. They also tried hard to discourage religion through education and propaganda. Still religion survived, there are 20 to 45 million followers of the Russian Orthodox Church; The people in the former Soviet Union are still among the most spiritually open people in the world – especially the youth – and for this, the number is rising. Muslims are the second largest religious group. Some religions like Jehovah†s witness are strictly prohibited by the communists. Russian language is remarkably similar even though there is such a diverse population. Russian language is understood from the west to the east part of the country. The Russian language is based on the Cyrillic alphabet. Certain minorities in Russia have their own language but they speak Russian as a second language. Russia like most countries has both urban and rural life styles. ? of Russia†s people live in cities. Russia has 35 cities that have 800,000 people or more, and Moscow along with St. Petersberg has 4 million. Many modern conveyances such as plumbing and air conditioning are not found. There is also a shortage of food and too much crime in Russian cities. Farmers populate much of Russia rural areas. There is also a lot less education and health care in the rural areas of Russia, for schools are not easily paid for in areas such as these. Russia is one of the richest countries on natural resource. Russia†s vast area provides for a lot of forest space, and water for hydraulic energy. There are also extensive mineral deposits. Russia also has a wide variety of plant and animal life. Industry is vital to Russia†s economy. Moscow and St. Petersberg are the biggest areas for manufacturing in Russia. Russia produces a lot heavy machinery and has many chemical, oil, and plant refineries as well. St. Petersberg also has a large ship building industry, and an even larger airplane parts industry. There is heavy trading with the US in airplane parts. Russia†s chemical plants produce items such as chemical fibers, mineral fertilizers, plastics, and synthetic resins. Transportation in Russia is very difficult because of its lack of roads and it†s vastness. Trains are the most common form of transportation and shipping. Aero Flat is Russia†s national airline and makes up most airline travel, although most people are unable to afford the enormous bill created by purchasing an airline ticket through Aero Flat. Roads are not commonly found because only 60 out of every 1,000 Russians own a car. City travel in Russia is taken care of by buses, trains, and subways. Communication equipment is unevenly distributed and not modernized, because of this only 15 out of every 100 Russians own a telephone. Russia is in a state of economic turmoil at the moment. It has had a lot of trouble moving from a centrally planned economy to a modern market economy. However Russia is making advancements under president Yeltsin; Inflation fell from 131% to 22% in 1996. These advancements are partially due to the fact that now, 80% of industry is now privatized; meaning, that 80% of all goods produced in Russia, are produced in a private sector of the country, by companies who control themselves. As of May 16, 1999, one United States Dollar would be converted into 24. 7367 Russian Rubles. Currently over 30 billion United States Dollars circulate throughout Russia, for just as in all foreign countries, the Russians hold on to the Dollars, and when the exchange rate is just right, they can make a pretty profit from their Dollar. Unemployment is not a very big problem in Russia. Only 9. 3% of its population remain unemployed, leaving a 73 million manned labor force ready to work. Many of these men work closely with the government, packaging and shipping exports, or receiving and checking over its imports. Major exports of the country include petroleum, natural gas, metals, and chemicals. Hard to find in Russia, and therefore heavily imported are: machinery, medicines, meat, grains, and especially sugar. The majority of this trading is done with North America, although Russia is also close trade partners with most of Europe, Japan, and some third world countries.

A Comparison of Fahrenheit 451 and Dover Beach Essay

nbsp;nbsp;nbsp;nbsp;nbsp;Fahrenheit 451 is a well-written book that tells a story of a dream world and one man who wakes up from that dream. Montag, the protagonist of the story, brings home a book of poetry one day and begins to read the poem Dover Beach by Matthew Arnold to his wife and her guests. Many critics think that Bradbury picked this poem because it paralleled life in his book. The poem Dover Beach can be compared to Fahrenheit 451 because both pieces of writing talk about themes of true love, fantasy and allover hopelessness. nbsp;nbsp;nbsp;nbsp;nbsp;One of the ways Fahrenheit 451 can be related to Arnold’s Dover Beach is by connecting the absense of true love in both of them. Throughout the book, Montag slowly†¦show more content†¦Firemen are there to keep the peace. Beatty even says to Montag quot;I dont think you realize how important you are, we are, to our happy world as it stands now (62)quot;. He is implying that they, being the firemen, keep the world that they live in happy, because that is the world they are used to being happy in. Their land of nonsense information is their dream world that people live in without thinking of other possibilities for living. The beauty of the real world is masked by the tall buildings of the city, which the firemen keep up to make the people happy. When people are discovered hiding books in their houses, they are letting the light of the real world show through. Outside of the city, the real world really shines through. The gang of men who memoriz e books is showing that the real world does exist, though it cannot fully be real without the actual books. In the poem Dover Beach, Arnold says quot;the world, which seems to lie before us like a land of dreams, so various, so beautiful, so new, Hath really neither joy, nor love, nor light, Nor certitude, nor peace, nor help for pain...quot;. This can be compared to Bradburys dream world of the city, which is a land of dreams, yet has no real love, joy, or peace. Yet, quot;we are here as on a darkling plainquot;. nbsp;nbsp;nbsp;nbsp;nbsp;Both Arnold and Bradbury use their writings to talk about the cycles of life and itsShow MoreRelatedA Comparison of Fahrenheit 451 and Dover Beach1216 Words   |  5 PagesFahrenheit 451 is a well-written book that tells a story of a dream world and one man who wakes up from that dream. Montag, the protagonist of the story, brings home a book of poetry one day and begins to read the poem Dover Beach by Matthew Arnold to his wife and her guests. Many critics think that Bradbury picked this poem because it paralleled life in his book. The poem Dover Beach can be compared to Fahrenheit 451 because both pieces of writing talk about themes of true love, fantasy and alloverRead MoreAlliteration In Leda And The Swan By Ray Bradbury1852 Words   |  8 Pagesusually) (Literature: A Portable Anthology). Example: In Fahrenheit 451, Montag states, â€Å"It’s fine work. Monday burn Millay, Wednesday Whitman, Friday Faulkner, burn’em to ashes. That’s our official slogan.† The repetition sound of â€Å"M,† â€Å"W,† and â€Å"F,† show alliteration (Bradbury 6). Allusion: A reference to a well-known person, place, place, event, literary work, or work of art (Literary Devices). Example: On page fifty-seven of Fahrenheit 451, Beatty says, â€Å"Colored people don’t like Little Black Sambo

Learn about the Famous Resort Country of Monaco

Monaco is a small European country located between southeastern France and the Mediterranean Sea. It is considered the second smallest country in the world (after Vatican City) by area. Monaco has only one official city, which is its capital and is famous as being a resort area for some of the worlds richest people. Monte Carlo, an administrative area of Monaco, is the countrys most famous area due to its location on the French Riviera, its casino, the Monte Carlo Casino, and several beach and resort communities. Fast Facts: Monaco Official Name: Principality of MonacoCapital: MonacoPopulation: 30,727 (2018)Official Language: French  Currency: Euro (EUR)Form of Government: Constitutional monarchyClimate: Mediterranean with mild, wet winters and hot, dry summersTotal Area: 0.77 square miles (2 square kilometers)Highest Point: Chemin des Revoires on Mont Agel at 531 feet (162 meters)  Lowest Point: Mediterranean Sea at 0 feet (0 meters) History of Monaco Monaco was first founded in 1215 as a Genoan colony. It then came under the control of the House of Grimaldi in 1297 and remained independent until 1789. In that year, Monaco was annexed by France and was under French control until 1814. In 1815, Monaco became a protectorate of Sardinia under the Treaty of Vienna. It remained a protectorate until 1861 when the Franco-Monegasque Treaty established its independence but it remained under the guardianship of France.Monacos first constitution was put into effect in 1911 and in 1918 it signed a treaty with France which stated that its government would support French military, political and economic interests and that if the Grimaldi dynasty (which still controlled Monaco at the time) were to die out, the country would remain independent but be under French protection. Throughout the mid-1900s, Monaco was controlled by Prince Rainier III (who took over the throne on May 9, 1949). Prince Rainier is most famous for his marriage to American actress Grace Kelly in 1956, who was killed in a car accident near Monte Carlo in 1982. In 1962, Monaco established a new constitution and in 1993 it became a member of the United Nations. It then joined the Council of Europe in 2003. In April 2005, Prince Rainier III died. He was the longest serving monarch in Europe at the time. In July of the same year his son, Prince Albert II ascended the throne. Government of Monaco Monaco is considered a constitutional monarchy and its official name is the Principality of Monaco. It has an executive branch of government with a chief of state (Prince Albert II) and a head of government. It also has a legislative branch with a unicameral National Council and a judicial branch with a Supreme Court.Monaco is also divided into four quarters for local administration. The first of these is Monaco-Ville, which is the old city of Monaco and which sits on a headland in the Mediterranean. The other quarters are La Condamine on the countrys port, Fontvieille, which is a newly built area, and Monte Carlo, Monacos largest residential and resort area. Economics and Land Use in Monaco A large part of Monacos economy is focused on tourism, as it is a popular European resort area. In addition, Monaco is also a large banking center, has no income tax, and has low taxes for its businesses. Industries other than tourism in Monaco include construction and industrial and consumer products on a small scale. There is no large scale commercial agriculture in the country. Geography and Climate of Monaco Monaco is the worlds second smallest country by area and is surrounded on three sides by France and on one by the Mediterranean Sea. It is located only 11 miles (18 km) from Nice, France, and is also close to Italy. Most of Monacos topography is rugged and hilly and its coastal portions are rocky. Monacos climate is considered Mediterranean with hot, dry summers and mild, wet winters. The average low temperature in January 47 degrees (8 °C) and the average high temperature in July is 78 degrees (26 °C). More Facts About Monaco †¢ Monaco is one of the most densely populated countries in the world.†¢ Locals from Monaco are called Monà ©gasques.†¢ Monà ©gasques are not allowed to enter Monte Carlos famous Monte Carlo Casino and visitors must show their foreign passports upon entry.†¢ The French make up the largest part of Monacos population. Sources Central Intelligence Agency. CIA - The World Factbook - Monaco.Infoplease. Monaco: History, Geography, Government, and Culture - Infoplease.com.United States Department of State. Monaco.