Hydrogen gas is produced in sewer systems, swamps, in volcanic and natural gas. Its production is after organic materials are broken down in absence of oxygen. The most common characteristic of this gas is its smell. It usually smells like rotten and this can explain why sewage system usually produces a foul smell of rotten eggs. This article thus provides information on hydrogen sulfide reduction and why it is important.
With the production of the gas in sewer lines, environmental specialists usually worry about the odor and corrosion troubles. People who live near sewer lines often complain of the odor issue while the municipal usually worries about infrastructure destruction through corrosion. This usually results when water in the system mixes with the gas forming hydro sulfuric acid that corrodes the surfaces.
For these two reasons, specialists saw the need of controlling this gas in the sewer line. There are many ways that have been devised to control this problem. One method is by adding strong alkali solution to the sewage. Examples of two strong alkalis include magnesium hydroxide and sodium hydroxide and these are the ones used in this process. Each of these hydroxides when added raises the pH of the sewage making it difficult for this gas to be produced.
Another way devised to control the odor problems is through addition of chemical compounds also known as chemical treatment. The most used compounds in this treatment are chlorine compounds like sodium hypochlorite, calcium hypochlorite, ferric chloride and bleach. They are added to the sewage and they oxidize the sulfides hence preventing formation of the gas.
However this addition of chemical compounds can be challenging when there is no pumping post from which the chemicals are fed into the system. Therefore a chemical feed system should be established to make this process easier. The feed system should also be monitored to ensure effective treatment system. Safety measures are usually considered when carrying out this chemical treatment.
To resolve corrosion issues, the environmental specialists have come with measures to increase ventilation in the sewage infrastructure to prevent anaerobic conditions for bacteria. Apart from this, contractors of the systems are now using sewer pipes and tanks with protective coatings on the inner sides. The coatings used include; vinyl, tar products, polythene linings, cement among other materials to protect the system against corrosion.
Crown and manhole spraying is yet the other measure used in corrosion control. When the hydro sulfuric acid is forms, it collects mostly at the crown part of the pipe. The effect on this area is intense decomposition leading to weakening of the pipe and in worst cases collapse. Therefore a Sulfa Lock Gel is sprayed on these areas so as to prevent the bad effects of hydro sulfuric acid.
Lastly, a monitoring instrument called the liquid phase sulfide meter has been formulated to help in observing sulfides levels in industrial wastes. If the instrument shows the sulfide to be higher than the wanted amount, the waste undergoes pre treatment before its release to the waste water collection system. All in all, these strategies on hydrogen sulfide reduction have helped a lot in control of the negative effects of the gas. But specialists are still coming up with other methods to manage this issue more effectively.
With the production of the gas in sewer lines, environmental specialists usually worry about the odor and corrosion troubles. People who live near sewer lines often complain of the odor issue while the municipal usually worries about infrastructure destruction through corrosion. This usually results when water in the system mixes with the gas forming hydro sulfuric acid that corrodes the surfaces.
For these two reasons, specialists saw the need of controlling this gas in the sewer line. There are many ways that have been devised to control this problem. One method is by adding strong alkali solution to the sewage. Examples of two strong alkalis include magnesium hydroxide and sodium hydroxide and these are the ones used in this process. Each of these hydroxides when added raises the pH of the sewage making it difficult for this gas to be produced.
Another way devised to control the odor problems is through addition of chemical compounds also known as chemical treatment. The most used compounds in this treatment are chlorine compounds like sodium hypochlorite, calcium hypochlorite, ferric chloride and bleach. They are added to the sewage and they oxidize the sulfides hence preventing formation of the gas.
However this addition of chemical compounds can be challenging when there is no pumping post from which the chemicals are fed into the system. Therefore a chemical feed system should be established to make this process easier. The feed system should also be monitored to ensure effective treatment system. Safety measures are usually considered when carrying out this chemical treatment.
To resolve corrosion issues, the environmental specialists have come with measures to increase ventilation in the sewage infrastructure to prevent anaerobic conditions for bacteria. Apart from this, contractors of the systems are now using sewer pipes and tanks with protective coatings on the inner sides. The coatings used include; vinyl, tar products, polythene linings, cement among other materials to protect the system against corrosion.
Crown and manhole spraying is yet the other measure used in corrosion control. When the hydro sulfuric acid is forms, it collects mostly at the crown part of the pipe. The effect on this area is intense decomposition leading to weakening of the pipe and in worst cases collapse. Therefore a Sulfa Lock Gel is sprayed on these areas so as to prevent the bad effects of hydro sulfuric acid.
Lastly, a monitoring instrument called the liquid phase sulfide meter has been formulated to help in observing sulfides levels in industrial wastes. If the instrument shows the sulfide to be higher than the wanted amount, the waste undergoes pre treatment before its release to the waste water collection system. All in all, these strategies on hydrogen sulfide reduction have helped a lot in control of the negative effects of the gas. But specialists are still coming up with other methods to manage this issue more effectively.
About the Author:
Read more about Important Information On Hydrogen Sulfide Reduction In Sewage System visiting our website.
Aucun commentaire:
Enregistrer un commentaire