Abstract The present study deals with the preparation of nanomagnetite (NM), potassium carrageenan (KC), and nanomagnetite/potassium bio-composite beads (NC). Characterization prepared solid materials using different physicochemical techniques such as X-ray diffraction analysis (XRD), thermogravimetric (TGA), scanning electron microscopy (SEM), transmission microscope (TEM), energy-disperse spe...

The effect of acidic conditions (in a pH range of 3 to 6) and temperature on the kinetics of the hydrothermal oxidation of ferrous iron contained in BOF steel slag has been tested in the 150–350C range for acid acetic concentrations from 0 to 4M. Reaction progress was monitored with the amount of produced H2. Higher temperature and lower pH are found to enhance the hydrothermal oxidation kineti...

Nanomagnetite can be synthesized in lab by decomposition method using FeOOH and oleic acid in 1-ODEbut the cost of production is very high. Here we are trying to synthesize cost effective nanomagnetites by using common materials present in our daily life which are freely available in market .Magnetite nanocrystals are highly useful in arsenic remediation as arsenic contamination in groundwater ...

Nanomagnetite-Fe3O4 is used as a highly efficient, mild, green and recyclable nanomagnetite catalyst for the synthesis of 4,4´-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol) derivatives in solvent-free conditions. The condensation reaction of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one with aromatic aldehydes affords the title compounds in high yields and short reaction times. The nanocataly...

Nanomagnetite-Fe3O4 is used as a highly efficient, mild, green and recyclable nanomagnetite catalyst for the synthesis of 4,4´-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol) derivatives in solvent-free conditions. The condensation reaction of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one with aromatic aldehydes affords the title compounds in high yields and short reaction times. The nanocataly...

The object of research: morphological and cultural characteristics micromycetes: yeast Saccharomyces cerevisiae mycelial fungi Mucorracemosus grown on agar medium.The subject flax seed suspension, ultrafine powder double oxide divalent trivalent ferrum, MucorracemosusInvestigated problem: ensuring the bacteriostatic properties raw materials obtaining products with an extended dates expiry.The i...