Abstract: A process for obtaining vanadium component in the form of vanadium oxide from gasifier slag is disclosed. The process comprises pulverizing the slag to obtain pulverized slag, which is blended with water and an alkali salt to obtain a slurry. The slurry is dried and then roasted in the presence of air to obtain a roasted slag. The roasted slag is leached to obtain a first filtrate comprising the vanadium component. The first filtrate is reacted with a magnesium salt to remove a silica component in the form of a precipitate. The silica free second filtrate is reacted with an ammonium salt to obtain ammonium metavanadate, which is further calcined to obtain the significant amount of vanadium pentoxide (V2O5).

Abstract: The present disclosure relates to a process for preparing a transition metal-Schiff base imine ligand complex. The process involves direct chelation of a Schiff base imine ligand by adding a transition metal halide in a halogenated fluid medium at a temperature in the range of 20° C. to 40° C. The process employs less hazardous reagents and mild reaction conditions to obtain the complex. The complex is efficient to be used as a catalyst for the production of disentangled ultra-high molecular weight polyethylene.

Abstract: The present disclosure is in the field of chemical sciences. The present disclosure relates to a process for removal of anion from aqueous solution. The process involves removal of sulphate ion from aqueous solution using cation and organic solvent that enables precipitation of the sulphate ion from the aqueous solution. The process is simple, efficient, cost-effective, ecofriendly, enables recovery of sulphate ions, calcium ions as calcium sulphate with high purity and also enables the recovery of organic solvent in the range of about 88% to about 99%.

Abstract: The present disclosure relates to a process for recovering vanadium in the form of iron vanadate from a gasifier slag. The process comprises pulverizing the slag to obtain pulverized slag (2). The pulverized slag (2) is soaked in water (6) and an alkali salt (4) to obtain a slurry (8), followed by roasting the slurry in the presence of air to obtain roasted slag (12) which is leached (14) to obtain a first solution (18). The first solution (18) is heated at a temperature in the range of 60° C. to 80° C. while adding an iron salt (17) in an amount in the range of 10 wt % to 60 wt % at a pH in the range of 4 to 10, to obtain a second solid residue (21) which is dried to obtain iron vanadate (24).

Abstract: The present disclosure relates to a water dispersible sulphur fertilizer composition. In one aspect, the fertilizer composition is prepared by mixing molten elemental sulphur with inorganic solid material to obtain a homogenized mixture that is quenched on a cold surface or water to obtain uneven sized flakes, which are mixed with sulphur solubilizing microbes, swelling agent, dispersing agent, binding agent and water, and then pugged and kneaded to obtain dough. The dough is processed to obtain shaped articles, which are dried at a temperature ranging from 25 to 50° C. to obtain the fertilizer composition. In another aspect, the fertilizer composition comprises 70 to 98 wt % elemental sulphur, 0.1 to 30 wt % inorganic solid material, 0.1 to 10 wt % swelling agent, 0.5 to 30 wt % dispersing agent and 0.5 to 30 wt % binding agent of the total weight of the composition. The fertilizer composition has crushing strength in the range of 3.0 to 3.8 Kgf.

Abstract: The present disclosure relates to a process for reducing the nitrogen content in a hydrocarbon feed comprising nitrogen compound. The process comprises mixing the hydrocarbon feed containing nitrogen compounds with at least one adsorbent and stirring at a temperature in the range of 25° C. to 80° C. for a pre-determined time period. The adsorbents of the present disclosure are efficient for the removal of refractory organic nitrogen compounds in the range of 0.01 ppm to 10 ppm. The process of the present disclosure is simple and use inexpensive adsorbent and requires mild operation conditions.

Abstract: The present disclosure relates to a process for reducing the content of sulfur compounds in a hydrocarbon feed using an adsorbent. The process of the present disclosure is simple, economic, efficient and environment friendly.

Abstract: The present disclosure relates to a process for producing crude bio oil from biomass. The process involves hydrothermally liquefying a biomass in presence of a catalyst at a temperature in the range of 250° C. to 400° C. and at a pressure in the range of 70 bar to 225 bar, to obtain a product mixture comprising crude bio-oil. This product mixture comprising crude bio-oil is cooled to obtain a cooled mixture; the oil is then separated from the cooled mixture to obtain crude bio-oil and a residue containing the catalyst. Carbon content of crude bio-oil is in the range of 60 wt % to 85 wt %.

Abstract: The present disclosure relates to an improved process for producing olefins from syngas. Raw material is treated to produce syngas comprising H2, CO and CO2. The ratio of H2 and CO in the syngas is 1:1. The syngas is contacted with at least one first catalyst to produce an intermediate stream comprising dimethyl ether (DME), and unconverted CO2, H2 and CO. The unconverted H2 and CO is recycled to a first catalyst section and a portion of the separated CO2 is recycled for producing the syngas. The remaining intermediate stream is contacted with at least one second catalyst to produce a second stream comprising olefins, H2O, methane, ethane, and propane. H2O, methane, ethane, and propane are separated to obtain the olefins. The separated methane, ethane, and propane are further recycled for producing the syngas. The CAPEX and OPEX of the improved process are reduced.

Abstract: The present disclosure provides genetically modified Chlorella sorokiniana. DAD1 gene is overexpressed in wild type Chlorella sorokiniana to obtain the genetically modified Chlorella sorokiniana. The genetically modified Chlorella sorokiniana is characterized by increased biomass, increased carrying capacity, reduced clumping, and increased stress tolerance to ultraviolet light and high light intensity, as compared to the wild type Chlorella sorokiniana. The genetically modified Chlorella sorokiniana can be used for the production of industrially important products.

Abstract: The present disclosure relates to a reforming catalyst and a process for preparing the same. The acidic functionality of the catalyst is suppressed by using a chloride free alumina and coating the chloride free alumina with Group V B metal oxide in the catalyst, which helps in minimizing the cracking reactions and achieving higher selectivity for liquid hydrocarbons and aromatic hydrocarbons.

Abstract: The present disclosure relates to an ionic liquid composition and a process for its preparation. The process of the present disclosure is simple, single pot and efficient process for preparing the ionic liquid composition which is effective in a Friedel Craft reaction like, alkylation reaction, trans-alkylation, and acylation. The present disclosure envisages an ionic liquid composition comprising at least one metal hydroxide; at least one metal halide; and at least one solvent. Also envisaged is a process for preparing an ionic liquid composition. The process comprises mixing in a reaction vessel, at least one metal hydroxide and at least one metal halide in the presence of at least one solvent under a nitrogen atmosphere and continuous stirring followed by cooling under continuous stirring to obtain the ionic liquid composition.

Abstract: The present disclosure envisages a coating composition. The coating composition comprises a polymeric emulsion, silane functionalized fibres and a fluid medium. The silane functionalized fibres are present in an amount in the range of 0.05 wt. % to 10 wt. % of the coating composition. The polymeric emulsion is present in an amount in the range of 20 wt. % to 60 wt. % of the coating composition. The fluid medium is present in an amount in the range of 5 wt. % to 40 wt. % of the coating composition. The silane functionalized fibre comprises at least one polymer bonded to at least one silane group. The coating composition of the present disclosure exhibit improved properties such as better coverage when applied on a surface, mechanical properties, stain resistance properties and the like, when compared to coating composition without fibres.

Abstract: The present disclosure relates to propiconazole resistant mutants of Chlorella species having Accession No. CCAP 211/134. The propiconazole resistant mutants of Chlorella species has increased tolerance to propiconazole and has increased tolerance to abiotic stress. The present disclosure further provides a method for preparing the propiconazole resistant mutants of Chlorella species. The propiconazole resistant mutants of Chlorella species can selectively grow in the presence of propiconazole, has increased tolerance to temperature stress, and hence can be used for large scale production of algal biomass.

Abstract: The present disclosure relates to a reforming catalyst composition comprising a spherical gamma AI2O3 support; at least one Group VB metal oxide sheet coated on to the AI2O3 support; and at least one active metal and at least one promoter metal impregnated on the AI2O3 coated support. The reforming catalyst composition of the present disclosure has improved activity, better selectivity for total aromatics during naphtha reforming and results in less coke formation. The reforming catalyst composition has improved catalyst performance with simultaneous modification of acidic sites as well as metallic sites through metal support interaction. The acid site cracking activity of the catalyst is inhibited because of the use of chloride free alumina support modified with solid acid such as Group VB metal oxide and impregnated with active metals.

Abstract: The present invention provides catalyst comprising metal modified zeolite, particularly Group IIIA or Group IIB metal modified zeolite, or a Group IIIA metal and Group IIB metal modified zeolite for reforming of heart cut naphtha stream. The present disclosure also relates to a process for synthesis of the catalyst. The present disclosure further relates to a process for reforming of heart cut naphtha stream, with high selectivity towards aromatics and good activity using the catalytic system, in the absence of hydrogen.

Abstract: The present disclosure relates to an FCC catalyst additive for cracking of petroleum feedstock and a process for its preparation. The FCC catalyst additive of the present disclosure comprises at least one zeolite, at least one clay, at least one binder, phosphorous in the form of P2O5, and at least one Group IVB metal compound. The FCC catalyst additive of the present disclosure is hydrothermally stable and has improved matrix surface area even after various hydrothermal treatments. The FCC catalyst additive of the present disclosure can be used in combination with the conventional FCC catalyst for catalytic cracking to selectively enhance the propylene and LPG yields.

Abstract: The present disclosure relates to an alumina having a surface area in the range of 330-400 m2/g, a pore volume in the range of 1.2-1.7 cc/g, and an average pore diameter in the range of 125-160 ?. The present disclosure also relates to alumina extrudates having a diameter in the range of 1 mm to 3 mm, a surface area in the range of 300-360 m2/g, a pore volume in the range of 0.8-1.3 cc/g and pore diameter in the range of 90-130 ? with a crushing strength in the range of 1-2.5 daN/mm. Further, the present disclosure relates to a process for the preparation of alumina and alumina extrudates. The alumina extrudates can be used as a support for catalyst preparation or as a catalyst or adsorbent in various processes. The process of the present disclosure enhances metal loading capacity, has better metal dispersion, and exhibit delay in deactivation of the catalyst due to mouth pore plugging.

Abstract: An apparatus (100) for mixing multiphase flowing particles. The apparatus (100) comprises a conduit (100a) adapted to channelize the multiphase flowing particles. At least one flow diverter (101) is positioned in the conduit (100a), which is adapted to divert the flow of multiphase flowing particles into a plurality of flow streams. Further, at least one flow element (102) is disposed in the conduit (100a) along at least one of the plurality of flow streams, which is configured to inject fluid onto the plurality of flow streams at a velocity greater than the velocity of the plurality of flow streams. This induces a swirling flow of at least one of the plurality of flow streams, thereby facilitating mixing of the multiphase flowing particles in the conduit (100a).

Abstract: The present disclosure relates to propiconazole resistant mutants of Chlorella sp. having Accession No. CCAP 211/133. The propiconazole resistant mutants of Chlorella species have increased tolerance to propiconazole. The present disclosure further provides a method for preparing the propiconazole resistant mutants of Chlorella species. The propiconazole resistant mutants of Chlorella species can selectively grow in the presence of propiconazole, and hence can be used for large scale production of algal biomass.