Application of fermentation processes For centuries, humans used fermentation of living microorganisms in different shapes. Yeasts were first used to make bread. Later on, fermentation of dairy products was extended to cheese and yogurt. Today, more than 200 types …
Sewage Effects on Rivers When an organic material, such as raw sewage, is poured into the river, dramatic changes occur at the bottom of the river from the sewage entrance. Organic wastewater is mixed with oxygenated oxygen as a …
Upper bioreactors and Types of bioreactors Upper bioreactors In an air conditioner, mixing is carried out without any mechanical stirrer. Upper bioreactors are used to grow tissue because tissues are susceptible to stress and conventional mixing is not possible. …
Environmental pollution caused by oil extraction Exploration and development of offshore oil and gas fields are not so far away. For example, the first exploration in the Gulf of Mexico began in the early 1950s. No gas was produced …
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Environmental control for heath processes For over 100 years, science and technology have been continually improved. The oil industry has always been one of the enthusiasts of inventing and developing tools and equipment not only economically evolved but also …
History of sewage treatment Sewage treatment has a long history, several thousand years ago wastewater and waste were removed by collecting them in a region with natural cycles. But in the past, because of the removal of sewage at …
Microevolution Vs. Macroevolution Microevolution Vs. Macroevolution Each living being has a particular hereditary code and a special hereditary structure. This structure is to some degree comparative in all life forms of a specific animal variety. For instance, hounds have …
NATURAL RESOURCES WATER What Is Water? Water resources embrace surface waters (i.e., coastal bays, lakes, rivers, and streams) and groundwater. These water resources are also used for drink, industrial processes, agriculture, and irrigation. Water resources additionally offer opportunities for …
