How does a membrane bioreactor work at a wastewater treatment plant ?
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Do a google search.  Most of the manufacturers have FAQs on the subject (and pictures).
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It's the removal of salt from water.  A desalination plant removes salt from water for people to use - usually through reverse osmosis.
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such methods are filtration and centifugation and decant the liquid\nFiltration either simple or gravity\nduring simple filtration you use filter paper and a funnel\nduring gravity filtration you use either Buchner or Gooch funnel\nduring centifugation you put a test tube in the machine...
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Basically the semi-permeable membranes and capillary beds carry out osmosis. Osmosis is the passive diffusion of water molecules from a higher water potential to a lower water potential. Water moves from an area with higher concentration of water to an area with less water until the concentration of water in both areas become equal. Semi-permeable membranes and capillaries have thin walls that allow the passage of water. Thus water can move according to its concentration across the membranes.
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water food oxygen environment
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SUB-CATEGORIES OF BIOTECHNOLOGY:\n\nRED BIOTECHNOLOGY is biotechnology applied to medical processes. Some examples are the designing of organisms to produce antibiotics, and the engineering of genetic cures to cure diseases through genomic manipulation.\n\nWHITE BIOTECHNOLOGY, also known as GREY BIOTECHNOLOGY, is biotechnology applied to industrial processes. An example is the designing of an organism to produce a useful chemical. White biotechnology tends to consume less in resources than traditional processes when used to produce industrial goods.\n\nGREEN BIOTECHNOLOGY is biotechnology applied to agricultural processes. An example is the designing of an organism to grow under specific environmental conditions or in the presence (or absence) of certain agricultural chemicals. One hope is that green biotechnology might produce more environmentally friendly solutions than traditional industrial agriculture. An example of this is the engineering of a plant to express a pesticide, thereby eliminating the need for external application of pesticides. Whether or not green biotechnology products such as this are ultimately more environmentally friendly is a topic of considerable debate.\n\nBIOINFORMATICS is an interdisciplinary field which addresses biological problems using computational techniques. The field is also often referred to as computational biology. It plays a key role in various areas like functional genomics, structural genomics, and proteomics amongst others, and forms a key component in biotechnology and pharmaceutical sector.\n\nThe term BLUE BIOTECHNOLOGY has also been used to describe the marine and aquatic applications of biotechnology, but its use is relatively rare.
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Depends on your location. Septic tanks, sewer ponds, composting toilets or even outhouses. The problem is, each method is crappy.
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"Direct Transfer-Immersion\nMembrane Filtrartion - open system\nMembrane Filtrartion by Millipore Steritest Methodä -a closed system"
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That's a better question!\n\nHmmm....Let's see....Gee, that's a tough one!  Osmosis requires a concentration gradient, but since seawater is more concentrated than freshwater, you would expect the concentration gradients to be opposite, and you would expect that osmosis would work in one and active transport would be required in the other.\n\nHmmm.....let's see now....what could it be?\n\nCould it be something that is more concentrated in seawater AND freswater than it is in the cell?  Hmmm....let's see, what could that be?\n\nOH!  I'VE GOT IT!!\n\nThink hard, now, and you'll get it, too!  The answer is a little unexpected!  (you might even have to look in your textbook or class notes...hope you weren't sleeping that day!)
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One way to do that for relatively small volumes of water is to force the sea water through a special membrane filter under high pressure. The filter membrane must be constructed so that its holes are large enough to just pass a water molecule, but not large enough to pass metal\nmolecules, salt molecules, algae, etc. The result would be fresh clean water with a lot of brine solution left in the pressurized tank that needs to be dumped.\n\nAnother process which is more poractical for large volumes of fresh water production is electrolisis. In that process, electrical current is passed through the water to break it down into its basic elements such as hydrogen and oxygen (and all the other junk that is left over).\n\nOnce the hydrogen and oxygen are collected and recombined, the result is pure fresh water. Again, the vat or tank holding the original sea water now has a heavy brine solution which must be disposed of somehow. Most any use of sea water to produce fresh water will generate a lot of salty brine by-product that could poison sweet earth in the vicinity if it is merely dumped.
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There are many factors. I will list a few for starters.\n1) an energy source and suitable nutrients\n2) a waste removal system\n3) suitable pH\n4) suitable osmolarity\n5) suitable oxygen levels (ie aerobic or anaerobic)\n6) no toxic available to kill the cell\n7) suitable temperature\n8) suitable pressure\n9) suitable lighting (sometimes important)\n\nBut most importantly, a suitable medium.
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B.  As the matter settles in the bottom of the basin.\n\n"There are a wide range of techniques that can be used to remove the fine solids, micro-organisms and some dissolved inorganic and organic materials. The choice of method will depend on the quality of the water being treated, the cost of the treatment process and the quality standards expected of the processed water" - wikipedia
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You can use R.O. (Reverse Osmosis) filters.\nThe last filter diameter should be smaller than 0.0001 micron so that stuffs like sugar, herbicide, pesticide,\nsalt, sugar, metal ion cannot get through. \nYou will get purist and healthy water.
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Varied like any one cell organism. Amoeba are in this class. They process varied organic matter so they serve a recycling function. More info at the links given.
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Water equalizes the pressure between the outside and the inside of the cell wall, so it doesn't become damaged.  It also is the transport medium for nutrients coming in, and waste exiting.
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Microban technology is built-in to products during the manufacturing process and becomes an intrinsic part of the product inside and at the surface. The antimicrobial then works as a cell well penetrant, disrupting key cell functions so that the microorganism is unable to function, grow or reproduce.
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Some chlorinators are injection lines from a tank, some are fed into an open tank with baffles, where the water moves around the baffles, mixing with the chlorine.  It all depends.  The manifold may be the pipe taking the water or wastewater from or to the chlorinating facility.