
Cohizon Life Sciences Limited


10+ Cohizon Life Sciences Limited Interview Questions and Answers
Q1. MEE plant role in company
The MEE plant plays a crucial role in the company by treating wastewater from various processes to meet environmental regulations.
The MEE plant is responsible for treating wastewater generated from different processes within the company.
It uses multiple stages of evaporation to concentrate the wastewater and remove impurities.
The treated water is then reused or discharged in compliance with environmental regulations.
The MEE plant helps the company reduce its environmental imp...read more
Q2. Analysis of MLSS and MLVSS
MLSS and MLVSS are key parameters used in wastewater treatment to measure the concentration of solids in the system.
MLSS stands for Mixed Liquor Suspended Solids and represents the total concentration of solids (organic and inorganic) in the wastewater treatment system.
MLVSS stands for Mixed Liquor Volatile Suspended Solids and represents the concentration of organic solids in the system.
MLVSS is a subset of MLSS and is used to calculate the volatile fraction of the solids pr...read more
Q3. Chemical doseging in ntr
Chemical dosing in water treatment is crucial for maintaining water quality and ensuring effective treatment processes.
Chemical dosing is the process of adding specific chemicals to water to achieve desired treatment outcomes.
The dosing rate and frequency depend on the water quality parameters and treatment objectives.
Examples of chemicals used for dosing in water treatment include chlorine for disinfection, coagulants for flocculation, and pH adjusters.
Proper calibration of ...read more
Q4. Design of distillation column for binary mixtures
Designing a distillation column for binary mixtures involves determining the number of trays, feed location, and reflux ratio.
Determine the boiling points of the components
Calculate the minimum reflux ratio
Choose the number of trays based on the desired separation
Determine the feed location based on the composition of the feed
Design the reboiler and condenser
Consider the pressure drop across the column
Q5. Stream balance inside dist column
Stream balance inside distillation column is crucial for efficient separation of components.
Stream balance refers to the equal distribution of feed and product streams across the column.
Imbalance can lead to poor separation efficiency, flooding, or tray damage.
Factors affecting stream balance include tray design, liquid and vapor flow rates, and column diameter.
Techniques such as tray hydraulics and computational fluid dynamics can be used to optimize stream balance.
Q6. What interlock have you seen in operation
Q7. Optimum diameter of pump
The optimum diameter of a pump depends on various factors such as flow rate, head, viscosity, and efficiency.
The diameter should be selected based on the required flow rate and head of the system.
Higher viscosity fluids require larger diameter pumps to reduce frictional losses.
Efficiency of the pump increases with larger diameter impellers.
The diameter should also be selected based on the available space and cost constraints.
Consulting with pump manufacturers and engineers ca...read more
Q8. What is refrigeration
Refrigeration is the process of removing heat from a space, substance, or system to lower and/or maintain its temperature.
Refrigeration involves the use of refrigerants to absorb and remove heat from a space.
It is used in various applications such as air conditioning, food preservation, and industrial processes.
The basic principle of refrigeration is the transfer of heat from a low temperature area to a high temperature area.
Common refrigeration systems include vapor compress...read more
Q9. What is Vaccum pump types and principal
Q10. How many reactions to be handled
The number of reactions to be handled will depend on the specific projects and workload of the team.
The number of reactions will vary based on the complexity and scale of the projects assigned.
It is important to prioritize and manage the reactions efficiently to meet project deadlines.
Regular communication with team members and supervisors can help in determining the workload and distribution of reactions.
Examples: Handling multiple reactions simultaneously for different proj...read more
Q11. Which DCS have you operated
Q12. Have you taken pneumatic test.
Q13. Which Product to be developed
The product to be developed should focus on improving the efficiency and scalability of flow chemistry and synthesis processes.
Develop a new catalyst for a specific reaction to increase yield and selectivity
Design a continuous flow system for a key step in a pharmaceutical synthesis
Create a software tool to optimize reaction conditions in flow chemistry
Explore new methods for in-line analysis and purification of reaction mixtures
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