Hybrid nanocomposites of polymers and metal organic frameworks (MOFs) are characterized by distinctive surface activity due to high surface area of MOFs, excellent carrier nature and good thermal stability polymers. The combined two materials are expected to perform unusual performance in adsorptive removal and extraction processes. Therefore, microporous MOFs/polymer hybrid nanocomposite, Zn(Glu)-SiNH/PPC, has been synthesized by direct linking between silica-amine modified MOFs (Zn(Glu)-SiNH2) with poly(piperazine-cresol) (PPC) via microwave irradiation heating. Characterizations of Zn(Glu)-SiNH/PPC hybrid nanocomposite were explored by various techniques as XRD, surface area, SEM, TEM, and FT-IR. Lanthanum (III) ion was chosen as an example of the lanthanides series to investigate its adsorption activity by Zn(Glu)-SiNH/PPC hybrid nanocomposite. The maximum uptake capacity (15023.0 μmol g−1) was established under the optimum conditions (pH 7.0, 20 min and 5 mg of Zn(Glu)-SiNH/PPC). The recognized equilibrium data of La(III) adsorption onto Zn(Glu)-SiNH/PPC hybrid nanocomposite were well explained by the Langmuir model. Additionally, the kinetics study was fitted satisfactorily with the pseudo-second order model. The recovery of La(III) ions from water samples (tap, sea and waste) were recognized as 98.23, 98.28 and 99.66%, respectively.