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Maintenance & Rehabilitation

Maintenance & Rehabilitation of Biogas Plants

To ensure a sufficient treatment process while at the same time increasing the biogas, conditions such as air tightness, suitable temperature, necessary nutrients, water contents, and maintaining suitable pH balance must be maintained.

OUR SERVICES INCLUDE;

  • TRAINING ON FEEDING OF THE BIOGAS PLANT

Feed the digester should be done regularly with the right material. If the plant is fixed to toilets, they should be under constant use to guarantee regular feeding to ensure continuous gas production.

  • INCREASING THE MICRO-BACTERIAL ACTIVITY

The concentration of the anaerobic bacteria can be increased by adding our Enzyme and Bacteria into the plant. Cow dung has got methanogen bacteria which are of the same type as the ones contained in our enzyme and bacteria.

  • SLURRY ANALYSIS

Slurry analysis should be done at least once a year and whenever need arises especially when gas production has reduced.

  • PH-TESTING      

The pH of the slurry should be tested regularly and whenever need arises especially when gas production has reduced.

  • INSPECTION OF GAS PIPES          

We check for the leakages along the pipes and the accessories. Teflon tape must be used in pipe fittings to avoid leakage from pipe fittings.

  • WATER TRAPS & MOISTURE CONTROL    

We check and remove the accumulated water in the water traps. The water trap or water drain at the lowest part of the piping line should be checked regularly for its functionality. Water drain must be made at the lowest level of the fittings. Excess overflow of water in this device may increase the moisture content in the gas rendering it inflammable

  • REPLACE THE GAS VALVES AND TAPS ANYTIME THEY START TO LEAK 

Biogas has a tendency of corroding GI pipe fittings. During piping, these components should be avoided but in case they are used, they should be replaced regularly in a spun of two years.

  • DE-SLUDGING OF DECOMPOSED WASTE FROM THE DIGESTER PLANT

This is the process of manual or mechanical removal of the settled decomposed waste at the bottom of the plant. During anaerobic decomposition of waste gases are produced and the remains settle down after some time. This continuous process accumulates some solids which affect the performance of the plant with time. De-sludging therefore becomes necessary after a period of 18 months depending on the type of waste digested. All the gas produced must first be released to the air or used up.

  • CLEANING OF THE GADGETS CONNECTED TO BIOGAS

Biogas contains other gases such as carbon dioxide and sulphur dioxide as a result of decay. During combustion, these gases disintegrate producing other solid components as Carbon and sulphur oxides that are dissipated on the surfaces of the stoves, lamps, generators and all the equipments used. This causes blockages when they have accumulated to reasonable level. It is advisable to clean off all these particles for higher equipment efficiencies.

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