Abstract: Water absorbent polymers and a process for their preparation are disclosed. The process for preparing water absorbent polymers comprises preparing a slurry with relatively high amounts of polymer particles (in the range of 40 to 55 wt % of the total mass of the slurry) having water absorbed therein. The slurry is then directly spray dried to obtain water absorbent polymers.

Abstract: The present disclosure provides a process for separating oxygenates present in an aromatic hydrocarbon stream to obtain an oxygenates-free aromatic hydrocarbon stream. The process involves selectively removing oxygenates from the aromatic hydrocarbon stream by passing said stream through at least one zeolite based adsorbing material.

Abstract: The present disclosure relates to a process and system for modifying heterogeneous catalysts by contacting them with chemical compounds. Specifically, the present disclosure relates to an easy and convenient process for surface functionalizing of a heterogeneous catalyst such as polymetallic catalyst including bimetallic catalyst by employing precursor of inorganic compound, wherein the precursor is organometallic compound and wherein the inorganic compound includes but is not limited to a metal based inorganic compound such as aluminium oxide. The present disclosure thus provides for easy and convenient process and system for surface modification/functionalization of heterogeneous catalysts by employing precursor of inorganic compound at conditions including but not limiting to room temperature and atmospheric pressure.

Abstract: The present disclosure provides a process for the chlorination of polyvinyl chloride. PVC obtained during the suspension polymerization reaction is directly used for chlorination without filtration, drying and re-slurrying. The present process is carried out in the absence of additional chemicals/reagents; also reheating during the chlorination reaction is not required. CPVC manufactured using the process of the present disclosure has whiteness index greater than 85, yellowness index lower than 4 and thermal stability in the range of 300 to 550 seconds at 210° C.

Abstract: A continuous process for manufacturing a polyester includes introducing reactant components including a terephthalic acid slurry having an ethylene glycol to terephthalic acid molar ratio of about 2 and a TiO2 slurry to an initial reactor vessel and stirring the reactant components at greater than 0 to 200 rpm to form an oligomer; transferring the oligomer, phosphoric acid, and at least one additive (carbon black, 5-sulfoisophthalic acid, 5-sulfoisophthalic acid dimethyl ester, and/or 5-sulfoisophthalic acid diglycolate) to an intermittent reactor vessel and stirring at 400 rpm to 1000 rpm to form an intermediate, wherein the oligomer, the at least one additive, and the phosphoric acid have a residence time of from 1 minute to 5 minutes in the intermittent vessel; and polymerizing the intermediate in a final reactor vessel at a temperature of 285° C. to 320° C., and in the absence of a polyethylene glycol, to obtain the polyester.

Abstract: The present disclosure relates to preparation of liquid salt including but not limiting to ionic liquid and applications thereof. More particularly, the present disclosure provides a process for preparing ionic liquid which comprises reacting at least one electron-pair acceptor and at least one electron-pair donor to form an adduct, and reacting the adduct with at least one electron-pair acceptor to prepare said salt. The present disclosure also provides for applications of the ionic liquid prepared in the present disclosure.

Abstract: The present disclosure relates to a process for the preparation of CPVC which includes reacting PVC with chlorine at a pre-determined temperature in the presence of at least one irradiation source having wavelength ranging from 254 and 530 nm while maintaining the radiant flux from 1.5 to 2 W/kg of PVC, irradiance at 0.13 W/cm2 and the number of photons emitted per second from 3×1018 to 5×1018, under agitation, for a time period ranging from 3 to 4 hours to obtain CPVC. The CPVC prepared from the afore-stated process has a whiteness index ranging from 89 to 96, a yellowness index ranging from 1.23 to 1.73 and stability ranging from 648 to 684 seconds. The rate of the chlorination reaction after employing the afore-stated process parameters ranges from 1.6 to 4.36 mole/hour/kg.

Abstract: The present disclosure relates to a tablet comprising at least one property modifying agent adapted to modify at least one property of a melt processable polymer and at least one processing aid having softening temperature lower than or equal to the melt processing temperature of the melt processable polymer.

Abstract: The present disclosure relates to ionic liquid-solvent complex comprising cation and anion and are prepared in the presence of a solvent. The present disclosure also relates to the process for preparing ionic liquid-solvent complex and also to a process for producing linear alkyl benzene using the ionic liquid-solvent complex. The present disclosure also relates to various applications of the ionic liquid-solvent complex.

Abstract: The present disclosure relates to a process for catalyst assisted production of crude bio-oil from biomass, which involves heating a mixture of biomass slurry and a catalyst at a temperature ranging from 200 to 350° C. and at a pressure ranging from 70 to 250 bars to obtain a mass containing the crude bio-oil. The crude bio-oil is separated from said mass to obtain a separated crude bio-oil. The catalyst being soluble in water is recovered from the aqueous phase and is reused for the preparation of crude bio-oil from biomass.

Abstract: The present disclosure provides a process for recovering and recycling a catalyst from the mother liquor generated during the production of aromatic carboxylic acids. The process comprises treating the mother liquor with an alkyl aromatic compound and further treating the first aqueous layer obtained with an ionic liquid to obtain a catalyst rich aqueous mixture. The catalyst rich aqueous mixture is recycled to the oxidation reactor.

Abstract: The present disclosure provides a system (100) for regenerating MEG, the system (100) comprising at least one flash drum (101) adapted to increase the temperature of rich MEG. At least one settling tank (102) is fluidly connected to the flash drum (101) where low solubility salts in the rich MEG are precipitated. Further, at least one filter unit (103) is fluidly connected to downstream of settling tank (102), and is configured to separate low solubility salt precipitates from the rich MEG. Furthermore, at least one storage tank (104) is positioned downstream of the filter unit (103), which is configured to receive and accumulate filtrate containing rich MEG. A reclamation column (105) is fluidly connected to the storage tank (104), which comprises a distillation chamber (106) and vane-mesh assembly (107) configured to produce lean MEG. The system (100) also has water handling capacity from 400 m3/day to 450 m3/day.

Abstract: The present disclosure relates to a composition, wherein the composition is a catalyst comprising support matrix, active metal, promoter metal and halide, wherein the support matrix is additionally subjected to a modifier to obtain a modified support matrix. The catalyst in the reaction reduces the percentage coke formation and provides for an enhanced reformate yield having an increase total aromatic yield and C8 aromatic yield when compared to the known/commercially available catalyst for naphtha reforming process, and also improves the quality of reformate obtained at end of the reaction. The disclosure further relates to process of preparation of the catalyst, the catalyst of the present disclosure derived from the process described, displays lower deactivation during the reaction demonstrating increased stability and reduction in the regeneration frequency and thereby making the catalyst economically feasible.

Abstract: The present disclosure provides an ionic liquid compound of Formula (I) and its application in reactions such as alkylation, arylation, acylation, diels alder and oligomerization, The present disclosure also provides a process for preparing the ionic liquid compound of Formula (I) which involves preparing an ionic salt complex represented by Formula [(NR1R2R3)iM1]n+[Xj]n? by mixing an amine represented by Formula NR1R2R3 and a metal salt represented by formula M1Xj; and mixing the ionic salt complex and a metal salt represented by formula M2Yk to obtain the ionic liquid compound.

Abstract: In the present disclosure an easily processable ultrahigh molecular weight polyethylene and a process for preparation thereof is disclosed wherein the easy processable ultrahigh molecular weight polyethylene is prepared by melt mixing a first ultrahigh molecular weight polyethylene having poor process-ability and a second ultrahigh molecular weight polyethylene along with a minimal amount of solvent. The easily processable ultrahigh molecular weight polyethylene is melt processable below its melting point and requires lesser compression molding time as compared to the first ultrahigh molecular weight polyethylene.

Abstract: The present disclosure relates to a transition metal based pro-catalyst represented by Formula I: wherein, the substituents have the meaning as defined in the specification. The present disclosure also relates to a process for preparing the transition metal based pro-catalyst represented by Formula I and the catalyst composition obtained therefrom. Further, the present disclosure relates to a process for polymerizing olefins by employing the catalyst composition comprising the transition metal based pro-catalyst represented by Formula I.

Abstract: The present disclosure relates to a single-pot multi step process for the preparation of a shape controlled pro-catalyst. The process comprises the steps of: i. reacting magnesium metal and at least one alkanol to obtain spheroidal magnesium alkoxide; ii. treating the spheroidal magnesium alkoxide with at least one transition metal tetrahalide, at least one organic modifier, and optionally, at least one in-organic modifier in the presence of at least one solvent to obtain a reaction mixture; iii. cooling, settling the reaction mixture and decanting the supernatant; iv. adding at least one transition metal tetrahalide, at least one solvent and optionally, at least one organic or inorganic modifier; and v. iterating steps (iii) and (iv) to obtain the shape controlled pro-catalyst.

Abstract: The present invention relates to regular shaped magnesium particles containing attrition resistant precursors and procatalysts thereof and processes for their synthesis and their use in the manufacture of polyolefins. More particularly, the present invention relates to a process for the synthesis of a said precursor particles which give highly active and improved surface area procatalysts for producing high bulk density polyolefin resins containing low fines and capable of incorporating high rubber content. In particular, the present invention relates to process for the synthesis of an attrition resistant precursors to prepare an attrition resistant Zeigler Natta procatalysts synthesized by using the precursors and to the polyolefin resin synthesized using the said procatalysts.

Abstract: The present disclosure provides a composition for preparing aryl carboxylic acid; said composition comprising: at least one ionic liquid, at least one catalyst, at least one non-oxidizable polar solvent, and at least one oxidizable multi-alkylated arylene compound with no two successive ring positions bearing alkyl group. The present disclosure also provides a process for preparing aryl carboxylic acid.

Abstract: The present invention relates to a stabilized inorganic oxide support for capturing carbon dioxide from gases having high regeneration capacities over many cycles. The method for preparing the stabilized inorganic oxide support includes stabilizing an alumina-containing precursor by either calcining or steaming, impregnating an alkali or alkaline earth compound into the stabilized alumina-and drying the alkali or alkaline earth compound-impregnated stabilized alumina-. The stabilized inorganic oxide support can be regenerated at lower temperatures between 100 and 150° C. The carbon dioxide adsorption capacity of the regenerated support is between 70 and 90% of the theoretical carbon dioxide adsorption capacity.