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In somewhat more modern times, Joseph Jones, an army physician in the American Civil War, detailed 2642 incidents of what he called ‘hospital gangrene’ which had a recorded death rate of 50%.
Necrotizing fasciitis around the genitalia was first recorded by a researcher named Baurienne in 1764 and is called Fournier’s gangrene after Jean Alfred Fournier who presented five cases for lectures in 1883.
The general public may know necrotizing fasciitis as ‘flesh-eating bacteria’ and ‘killer bug’, phrases often used by reporters and news people.
Necrotizing fasciitis can occur in any part of the body but it is most common in the truncal region, genitals, legs, and other extremities. Most research shows that necrotizing fasciitis occurs as a result of minor trauma or surgery to the affected area. Necrotizing fasciitis can occur in any age group but is more common in men associated with an underlying condition. Disproportionate pain combined in the infected is the leading symptom along with deep redness and swelling.
Researchers believe that antibiotic therapy should be continued until there is no further need for surgical removal of dead skin and the patient has stabilized. Surgical debridement (removal of dead tissue) is critical in fighting necrotizing fasciitis and is essential to stop the progression of the disease. The patient should be taken to surgery immediately and surgeons should make incisions into the flesh and remove all non-viable tissue. Further surgical exploration may be considered after 24-48 hours, to examine the wound and to ensure the infection has stopped.
Amputation is necessary in some cases of necrotizing fasciitis when muscle groups are dead, resulting in the loss of use of extremities. Following surgery, normal wound healing may be difficult in patients with necrotizing fasciitis due to the nature of the disease and any underlying conditions. There are several new technologies to support people recovering from the wounds from necrotizing fasciitis including life-like covers that disguise scar tissue and areas of reduced flesh and muscle mass. Apzem Bioscrubbers for treating Hydrogen sulphide (H2S) gas is a custom designed environmental friendly scrubber that works on the principle of anaerobic digestion of organic components by bacteria.

All Apzem Products are designed to comply with ACGIH and OSHA standards as well as local PCB Standards. The physical characteristics of wastewater include those items that can be detected using the physical senses.
Temperature of wastewater varies greatly, depending upon the type of operations being conducted at your installation. Odor; smell of the fresh sewage is oily or soapy while the septic sewage develops an objectionable.
Sewage contains both organic and inorganic chemicals in addition to various gases like H2S, CO2, CH4, and NH3 etc that are formed due to the decomposition of sewage. It is the amount of oxygen used by bacteria and other wastewater organisms as they feed upon the organic solids in the wastewater. BOD is defined as the amount of oxygen required by the bacteria while stabilizing decomposable organic matter under aerobic condition. By definition the COD is the amount of oxygen required to stabilized the organic matter chemically, i.e. Toxic Chemicals; most industrial use various types of toxic chemicals, the discharges of which can be harmful to wastewater treatment processes. Older age is a factor in susceptibility to necrotizing fasciitis, but the estimated age at which occurrences becomes more frequent is between 60 and 65 years of age. As the infection progresses, the skin goes from a red purple color to dusky blue, and other colors as the infection and necrosis continues to destroy skin cells. The combination of clindamycin and cefuroxime should be administered, and have recently been accepted as the common treatment for patients in the hospital.
The non-viable tissue should be removed leaving a wide band of viable tis-sue to reduce the risk of recurrence. A former practice of ‘sparing of muscle’, is now replaced by the concept of removal of all non-viable tissue, including muscle if necessary.
Hemorrhage is not uncommon after removing dead tissue; therefore whole blood and clotting products should be available before surgery.

If necrotizing fasciitis affects the genital area then a temporary colostomy should be considered to reduce stress on the patient. The wound could take several months to heal, and would heal through granulation and scar tissue formation. Temperature of sewage the sewage is slightly more than that of water, because of the presence of industrial sewage. These solids serve as a food source for bacteria and other living forms in a wastewater treatment plant.
Fixed solids are usually inorganic in nature and may be composed of grit, clay, salts, and metals.
The chemical characteristics of wastewater of special concern are pH, DO (dissolved oxygen), oxygen demand, nutrients, and toxic substances. The pH of sewage is initially high and drops when the sewage becomes septic but becomes increases again with the treatment processes.
However, pathogenic (disease-causing) organisms such as typhoid, dysentery, and other intestinal disorders may be present in wastewater.
A ‘dull murky dishwater fluid’ may be found in the wound, which is a characteristic of necrotizing fasciitis.
Hydrogen sulphide gases are normally generated in industrial process and in wastewater treatment plants and are readily digested by a special kind of bacteria grown in a constrained environment with proper supply of enzymes and nutrients. The bacteria in raw swage may be expected to in the range from 500, 000 to 5,000,000 per mL.
These bacteria are responsible for the decomposition of complex compounds to stable compounds with the help of some extracellular and intracellular enzymes. And are looking forward to provide you end to end , complete turnkey solutions to your odour & Air pollution control needs.

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04.05.2016, author: admin

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