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60. Pigeonpea Pod Stripper                                                                                       61. Nanofabrication Of Phosphorus On Kaolin Mineral Receptacles

              Patent Number                             313550                                                                 Patent Number                        316692
              Date Of Certificate Issue                 31/05/2019                                                             Date Of Certificate Issue            24/07/2019

              Post Grant Journal Date                   07/06/2019                                                             Post Grant Journal Date              26/07/2019
              Publication Number                        37/2013                                                                Publication Number                   36/2016
              Publication Date                          13/09/2013                                                             Publication Date                     31/08/2016
              Publication Type                          INA                                                                    Publication Type                     INA
              Application Number                        2053/DEL/2011                                                          Application Number                   989/DEL/2014
              Application Filing Date                   21/07/2011                                                             Application Filing Date              07/04/2014
              Field Of Invention                        MECHANICAL ENGINEERING                                                 Field Of Invention                   CHEMICAL
              Classification (IPC)                      A01D45/00                                                              Classification (IPC)                 C05G 3/00
              Inventor                                   DR. JAGNNATH PRASAD SINHA
                                                                                                                               Inventor                             DR. SIDDHARTHA MUKHOPADHYAY
                                                                                                                               Abstract:
              Abstract:                                                                                                        Nanofabrication of phosphorus on kaolin mineral receptacles refers to the fabrication of nanomaterial by
              The  present  stripper  has  been  designed  to  mechanize  pod  separation  of  pigeonpea  with  high  labour   intercalating phosphate ion (PO₄³⁻) on kaolin clay mineral for its slow and consistent release in the soils
              efficiency, timeliness in completion of operation and also economizing the operation. The separated pods         when applied as fertilizer. It relates to the dissolution of phosphate ion in rhizospheric acid medium from
              can be efficiently threshed by pod thresher with minor adjustment in operational parameters. Combination         phosphorous rich mineral species. Here, PO₄³⁻ was brought to solution phase from Pcontaining mineral
              of spike tooth type and wire loop type elements attains maximum stripping efficiency without damaging            fractions and transported to reaction chamber, where they were intercalated in the kaolin clay mineral
              the seed and stalk. The optimum rotation speed for stripping cylinder is about 9.6 m/s. The material of spike    moiety. P containing mineral fractions was free from heavy metals and other contaminants, and thereby
              tooth plays an important role in minimizing mechanical injury to seed during stripping. The nylon spikes         final nanoproduct was free from those. It was hypothesized that when the final nanoproduct is applied to
              embedded with tempered steel is found effective in reducing minor injury to seed as well as exhibited            soil as fertilizer, it would release either of PO₄³⁻ , or get converted to hydrogen phosphate ion (HPO₄²⁻ )
              toughness towards bending or breakage of spikes. Overall, the stripper is able to reduce labour requirement      or dihydrogen phosphate ion (H₂PO₄- ), due to presence of water in soil. The final product was dried and
              by 80 % and reduction in cost of operation by 73 % with 7 percent point enhanced recovery.                       stored in sterilized container.







































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