PROCESS OF MAKING NITRIFICATION INHIBITORS FROM LATEX-CHITOSAN AND THE PRODUCTS PRODUCED

IDP000106430BActive Publication Date: 2026-07-14BADAN PENGKAJIAN DAN PENERAPAN TEKNOLOGI BPPT
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Patent Information

Authority / Receiving Office
ID · ID
Patent Type
Patents
Current Assignee / Owner
BADAN PENGKAJIAN DAN PENERAPAN TEKNOLOGI BPPT
Filing Date
2018-02-01
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Conventional fertilizers, particularly inorganic ones, lead to environmental pollution, economic losses, and inefficient nutrient utilization due to nitrification, volatilization, denitrification, and leaching, necessitating the development of slow-release fertilizers with biodegradable and environmentally safe coatings.

Method used

The use of a latex-chitosan mixture as a binder for fertilizer granules, applied in varying ratios and processed through specific drying and coating methods, to create a nitrification inhibitor that regulates nutrient release.

Benefits of technology

The latex-chitosan coating effectively reduces nutrient loss by controlling nitrification, enhancing nutrient retention and release patterns, thus improving fertilizer efficiency and minimizing environmental impact.

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Abstract

In this invention, a nitrification inhibitor made from latex-chitosan is used to coat fertilizer products that function as a filter for the release of NPK fertilizer content, so that the release of fertilizer content is more controlled and more efficient compared to fertilizers without filters. Nitrification inhibitors made from latex-chitosan are biodegradable or environmentally friendly. The stages of the process of making nitrification inhibitors made from latex-chitosan include; formulation, namely the manufacture of nitrification inhibitors made from latex-chitosan is carried out by mixing liquid latex and liquid chitosan which when dry forms a composite with a latex-chitosan ratio varying from 20:80 to 80:20 (for example; 30:70, 40:60, 50:50, 60:40, and so on), the coating stage on the surface of fertilizer granules by spraying method, and the drying stage with hot air blowing to form a filter structure that reaches the entire surface of the NPK fertilizer.
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