Imidacloprid is a pesticide used for agricultural purposes. Residue of pesticide in water and soil will affect the water and soil quality. Seepage out of imidacloprid to the ecological system could affect aquatic life as well as human. The toxic pollutants would affect the quality of agriculture run off, in turn contaminating water bodies acting as sink for these runoffs. Hence, there is need for reparation of these pollutants. Azospirillium biofertilizer and Rhizobium biofertilizer were used as adsorbent for the removal of imidacloprid. These biofertilizers have capability to reduce the harmful component as well as be useful for plant growth. Azospirillium bacteria and Rhizobium bacteria are competent for the removal of organic pollutant from wastewater. These biofertilizers maintain biological activity without any adverse effect. The adsorptive removal of imidacloprid by using Azospirillium biofertilizer and Rhizobium biofertilizer was investigated at different conditions using batch experimentation. Optimization of parameters, such as dosage, time, temperature, pH, and agitation speed, was carried out. Equilibrium adsorption was illustrated by Langmuir and Freundlich isotherms. The kinetic data was best described by intraparticle diffusion and pseudo-second-order model. Reusability study showed good removal efficiency of imidacloprid after fourth use also. The investigations show that these materials have potential to be an excellent alternative for removal of pesticides while supporting plant growth.

吡虫啉是一种用于农业目的的杀虫剂。农药残留在水土中会影响水土质量。吡虫啉向生态系统的渗出会影响水生生物和人类。有毒污染物会影响农业径流的质量，进而污染作为这些径流汇的水体。因此，需要对这些污染物进行修复。以固氮螺菌生物肥和根瘤菌生物肥作为吸附剂去除吡虫啉。这些生物肥料具有减少有害成分的能力，并且对植物生长有用。固氮螺菌和根瘤菌细菌有能力去除废水中的有机污染物。这些生物肥料保持生物活性而没有任何不利影响。固氮螺菌和根瘤菌对吡虫啉的吸附去除使用批量实验在不同条件下研究了生物肥料。对剂量、时间、温度、pH 和搅拌速度等参数进行了优化。Langmuir 和 Freundlich 等温线说明了平衡吸附。动力学数据最好通过粒子内扩散和准二级模型来描述。重复使用性研究表明，吡虫啉在第四次使用后也具有良好的去除效率。调查表明，这些材料有可能成为去除农药同时支持植物生长的绝佳替代品。