Carbon Dioxide Sequestration-A Green Approach

Team Leads: Ranjana JunejaPre final yearChemical Engineering

Sawan PatidarPre final yearChemical Engineering

Faculty Advisor:

Dr. S. SureshAssistant ProfessorChemical Engineering

FACULTY ADVISOR

Name: Dr. S. Suresh

Designation: Assistant Professor of Chemical Engineering Dept.

Qualification: Ph.D. (IIT Roorkee), M. E., B. Tech

Specialization: Chemical Engineering, Environmental Engineering

Area of Interest: Energy and Biochemical Engineering

PROBLEM

• The carbon dioxide concentration in the atmosphere is increasing at an alarming rate.• The level has reached around 400 ppm as recent report by Dept. of Energy,2012 reveals.• Leading to global warming and further consequences.

STATISTICS

EXISTING SOLUTION Mineral sequestration Geological sequestration Ocean sequestration

MINERAL SEQUESTRATION

• Reaction of CO2 with Mg and Ca containing minerals to form carbonates.• Olivine (MgSiO4) and wollastonite (CaSiO3)

GEOLOGICAL SEQUESTRATION

• CO2 is injected into underground formations.

• Types of formations: Depleted oil fields Unmineable coal fields.

OCEANIC SEQUESTRATION

• Direct injection of CO2 in deep areas of ocean.

BIOLOGICAL SEQUESTRATION

• Micro-algae is used to capture CO2.

• Biomass so produced can be further processed and used.

LIQUID ABSORPTION TECHNIQUE

• Different ionic materials(olivine concrete, lithium aluminate) are used.• Optimization of result through Aspen Tech.

Micro Algae cultivation reactor

Regulator

Energy

Absorption Column

Sun

Solar Panel

Solvent

CO2 CO2 Solvent

Unabsorbed CO2

Biomass

For Further Processing

Micro Algae Cultivation Reactor

A HYBRID SOLUTION

MATERIALS REQUIRED

For solvent absorption technique: Green materials/ ionic solvent Absorption Tower For Biological sequestration:Seeds for Algae growth Nutrients Reactor

QUESTIONS ?

THANK YOU