Study aims to eliminate fluoride from treated waste water or ground water through adsorption technique by using Activated Diatomaceous Earth as a sorbent. Study found that there is no change in pH and TDS, but the concentration of Fluoride ions reduced. The most elimination potential of 71.97 mg/kg turned into achieved for activated diatomaceous earth with particle sizes of 0.075-0.425 mm. The absorbance capability of diatomaceous earth (DE) is 20.73% when used as a filtration media. In this analysis, activated diatomaceous earth was used as an adsorbent in a fixed-mattress column adsorption system for DE fluoridation of water. The XRD, BET surface area, FTIR, XRF, Scanning Electron Microscopy (SEM), and pH Point of Zero Charges (pHPZC) evaluation had been executed for adsorbent to explain the mechanisms of absorption and fluoride elimination. The Bradley equation was used to calculate the isothermal data and adsorbent dose. The statistical analyses were performed using Langmuir and Freundlich equations.
The removal quantity of MPs is investigated in seven STPs in Rewari district, Haryana. An increased sampling approach incorporating a magnetic force flow meter and a quick photographic camera was used to capture twenty-one samples. The concentration of incoming MPs is 1.56-13.69 items/L, and the effluent concentration is 0.20-1.73 items/L, showing that 79.49-97.81% of the MPs are eliminated, the seven STPs are foreseen to unharness 6.5-108 MPs into the treated effluent every day. Plastic polymers structure 62.68 % of the particles, consistent with lightweight microscopic and micro-Raman qualitative analysis, with polystyrene (10.3 per cent), plastic (30.2 per cent), propylene polymer or ethylene polymer (26.9 per cent), polyethene terephthalate (7.5 per cent), and synthetic resin (21.9 per cent) in influent. White (30.4 per cent) and clear make up the bulk of MPs' appearance (19.9 per cent) in the effluent. Pellets (5.6%), fibres (30.4%), fragments (28.0%), and granules (36.0%) are the top typical MP shapes, according to our findings in the effluent.
One of the major essential macronutrient for plant is phosphorous and is applied to soil in the form of chemical phosphatic fertilizers which is immobilized rapidly and becomes unavailable to plants. Microorganisms are involved in the transformation of soil P and is thus an integral part of the soil P cycle. In particular, soil microorganisms are effective in releasing P from inorganic and organic pools of total soil P through solubilization and mineralization. P-solubilization ability of the microorganisms is considered to be one of the most important properties. The adverse impact of chemical fertilizers on the environment and the less cost effectiveness stimulates the exploration of Phosphate solubilisers. 2/3rd of phosphate fertilizer is unavailable within a very short period of its application due to fixation in the soil complex. To overcome the problem of phosphorus solubilisation and to raise its concentration in soil, the present work was undertaken which deals with the isolation and inoculation of VAM spores from four sets of soil sample mainly clayey textured soil as classified on the basis of its morphological characteristics done through particle size analysis. The result of the present study showed that AM symbiosis associated with plant roots and soil aggregates optimizes the phosphorus solubilization and it is confirmed by the physico-chemical and biochemical estimations along with the mineralogical studies, where the results are within expectations.
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