2. The removal of spoilage by nature. Normally, the patikun drop down in the water are microorganisms that get rid of naturally. Water in river canals that have too much organic matter quantity will cause extreme. There are natural processes to eliminate to reduce. Organic substances, there is a fixed number, and Fireside living organisms. In the process of digestion of organic compounds using oxygen helps. To become a gas. Carbon dioxide and water, humans and animals breathe the gas had come out confused. Green plants can be used to synthesize light has resulted from the reaction of photosynthesis, How to fix or prevent waste water is one way to control the number of microorganisms in the appropriate range. Not too much to lack of oxygen, or at least not too thorough digestion, as well as the need to control the quantity. Wanam enough to allow insertion of oxygen into the water, which may help with keeping the air circulating in the water at all times, also can raise fish, such as the dairy cooperative limited, Ratchaburi, Nong PHO. Raising Tilapia in pond water that was used to clean equipment and machinery contaminated dairy products. Tilapia are wastewater to eat off milk contamination in the water, etc.
.3. The diluted means making a lot of waste with water sufficient dilution to reduce the amount of dirt, such as draining waste water into the river and canals. In painting it is necessary. The amount of dirty water that water will receive depends on the water volume used in dilution, or depending on the flow rate of the water in the water. This method requires a very large space or volume, it will suffice: Universal treated water should be good-b-2 mg/l. If the value of b is greater than 100 mg/litre odysseas considered it a chance to spoilage. Wastewater should be suspension 30 mg/l and b o d 20. With clean water from the river 8 times, and then there will be no more than good-value b 4 mg/liter water in such a way so that there is no spoilage.
.4. to return to the original condition and reuse paper.Nawithi, sewage back into effect. Derivatives and chaiprayot. This principle has a good industrial plants directly. In order to reduce the amount of waste discharged from factories by reducing expenses in getting rid of waste. Remove the water and then back in the undertaking. There is no need to use water that is clean too much. Therefore, in the present. This method is very popular.
การแปล กรุณารอสักครู่..