Hindustan Petroleum Corporation Limited

Ramachandra Rao Bojja

Kanuparthy Naga Raja

Bhavesh Sharma

Pramod Kumar

Sri Ganesh Gandham

Lavanya Meesala

Bubble column reactor assemblies are provided, an assembly () comprising: a reactor vessel () comprising a bottom end and a top end. A pre-distributor plate () having a bottom surface and a top surface, disposed in the 5 reactor vessel () such that the bottom surface faces the bottom end of the reactor vessel (). A gas distributor () is disposed below the pre-distributor plate () to receive and inject gas into a liquid prior to distribution of gas and liquid by the pre-distributor plate (). The gas distributor () comprises: a common manifold () and a plurality of ring-shaped pipes disposed along a length of the 10 common manifold (); and a plurality of nozzles disposed along an outer circumference of each ring-shaped pipe of the plurality of ring-shaped pipes to inject gas and create vortexes for uniform distribution of the gas in the liquid.

Gas distributor for bubble column reactor

The present disclosure discloses a catalyst composition comprising: (a) at least one steamed biochar; and (b) at least one tri-metallic catalyst, comprising metals selected from the group consisting of nickel, copper, zinc, and combinations thereof, wherein nickel loading is in the range of 20-60 wt %, the copper loading is in the range of 0.5-5.0 wt %, and the zinc loading is in the range of 0.5-5.0 wt with respect to the at least one steamed biochar. The instant disclosure further relates to a process of preparation of the catalyst composition and a process for production of hydrogen gas and carbon nanotubes.

Catalyst composition and its applications thereof

Bubble column reactor assembly () is provided, the assembly comprising: a reactor vessel () comprising a bottom end and a top end; a pre-distributor plate () disposed above the bottom end of the reactor vessel () to distribute gas in a liquid, the plate comprising a bottom surface facing the bottom end of the reactor vessel () and a top surface opposite to the bottom surface. The pre-distributor plate () comprises a plurality of perforations (), each perforation () comprising: a duct () projecting from the bottom surface of the pre-distributor plate; and a cap () enclosing the duct () and the perforation (). The cap () comprises a plurality of openings (). A gas distributor () is disposed below the pre-distributor plate () to receive gas and inject gas into the liquid prior to distribution of gas and the liquid by the pre-distributor plate ().

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Bengaluru, India

Ramachandra Rao Bojja