Sludge implant to combat desertification

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What can we do with all that sludge ?

Sludge Implant for Prevention of Desertification and Removal of Carbon Dioxide

by Dahee Chung (Cheongshim International Academy(CSIA) Gyeonggido, Republic of Korea°


International Journal of Engineering Research & Technology (IJERT), Vol. 4, Issue 04, April-2015


Bacillus pasteurii has been getting much attention recently as part of the anti-desertification measures, producing calcium carbonate ions and organic supply.

This study focuses on the sludge implants to prevent desertification and reduce carbon dioxide. Absorption of sewage sludge was made of moisture around the roots of plants that mimic the structure over time, and it slowly melts Bacillus pasteurii to supply organic matter to the sludge implants.

Sludge implants are cured in a screw shaped. Implants were easily transplanted in the sand because of its screw-like shape; desertification has been used as one of the treatments.



Through my experiments, I have observed the following: There are the protein components in sewage sludge. Microorganisms in concrete debris with stained gram were confirmed of having positive reaction with stain-gram but it is not sure whether it is Bacillus pasteurii or not since we didn’t conduct the genetic analysis of the microorganisms. Also, it is found out that microorganisms increase more when nurtured with sewage sludge.

Through experiments, it is confirmed that the sludge implant absorbs moisture in the surroundings and melts down. Furthermore, by the foam produced from the reaction between hydrochloric acid and sample, we could see the formation of calcium carbonate. From various experiment results, I found out that this sludge implant is feasible. However, if we get an opportunity to conduct further research, it is necessary to buy Bacillus pasteurii and design and make a real model of this sludge implant. It would be wonderful to go to desert, plant this implant and change the ground into grass field. If it is successful, it would be innovative to have various environmental effects so we can also get a patent of this idea.

Read the full article: IJERT


DeJong, J.T., Mortensen, B.M., Martinez, B.C., and Nelson, D.C. (2010), “Bio-mediated soil improvement”, Ecological Engineering, Vol.36, pp.197-210.

Whiffin, V.S., van Paassen, L.A., and Harkes, M.P. (2007), “Microbial carbonate precipitation as a soil improvement technique ” , Geomicrobiology Journal, 24, pp.417-423.

Author: Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.

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