10+ Manager Environment Interview Questions and Answers

Biodigestor operation experience includes efficient gas production for energy use.

• Experience in setting up and maintaining biodigestors

• Knowledge of the anaerobic digestion process

• Ability to monitor and control gas production

• Experience in using the gas for energy production

• Examples of successful biodigestor projects

Environment compliances in industries include following regulations and guidelines to minimize impact on environment.

• Obtaining necessary permits and licenses for operations

• Implementing pollution control measures

• Proper waste management and disposal practices

• Regular monitoring and reporting of emissions and effluents

• Compliance with environmental laws and regulations

• Implementing sustainable practices to reduce environmental impact

Basis treatment techniques for wastewater COD include biological treatment, chemical treatment, and physical treatment.

• Biological treatment involves using microorganisms to break down organic matter in the wastewater.

• Chemical treatment involves adding chemicals to the wastewater to facilitate the removal of COD.

• Physical treatment methods include processes like filtration, sedimentation, and adsorption to reduce COD levels.

• Combination of these techniques is often used for effe...read more

ZLD parameters as per PPCB include TDS, pH, BOD, COD, and heavy metals.

• Total Dissolved Solids (TDS) should be reduced to minimum levels.

• pH should be within the permissible range set by PPCB.

• Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) levels should be minimized.

• Heavy metals such as lead, mercury, and chromium should be effectively removed.

• Effluent should meet the standards set by Punjab Pollution Control Board (PPCB).

Troubleshooting in Bio ETP involves identifying and resolving issues in the biological effluent treatment process.

• Monitor key parameters such as pH, temperature, dissolved oxygen levels, and organic load regularly.

• Check for any signs of foaming, odors, or unusual color in the treated water, which may indicate problems with the microbial population.

• Inspect mechanical components such as pumps, aerators, and mixers for proper functioning and maintenance.

• Perform regular sludge ma...read more

AQI is calculated based on the levels of five major air pollutants: ground-level ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide.

• The AQI is calculated for each of the five major air pollutants based on their concentration levels in the air.

• The highest AQI value calculated for any individual pollutant determines the overall AQI value for a specific location.

• Each pollutant has its own AQI scale, ranging from 0 to 500, with specific health implic...read more

Circular economy is a system aimed at eliminating waste and promoting the continual use of resources.

• Circular economy focuses on reducing, reusing, recycling, and recovering materials and products.

• It aims to design out waste and pollution, keep products and materials in use, and regenerate natural systems.

• Examples include remanufacturing products, using renewable energy sources, and promoting sustainable consumption.

• Circular economy encourages a shift from the traditional lin...read more

Reverse osmosis is a water purification process that uses a partially permeable membrane to remove ions, molecules, and larger particles from drinking water.

• Reverse osmosis is a water treatment process that uses pressure to force water through a membrane, removing impurities.

• It is commonly used in desalination plants to turn seawater into drinking water.

• Reverse osmosis systems are also used in households to purify drinking water by removing contaminants.

• The process is effecti...read more

ZLD stands for Zero Liquid Discharge and CTO stands for Consent to Operate.

• ZLD is a water treatment process where all wastewater is purified and recycled, leaving zero discharge at the end.

• CTO is a document issued by pollution control boards to industries allowing them to operate after meeting certain environmental standards.

• Both ZLD and CTO are important in ensuring environmental sustainability and compliance with regulations.

HCOD treatment techniques involve lifestyle changes, medications, and surgical interventions.

• Lifestyle changes such as diet modification and exercise are key in managing HCOD.

• Medications like statins may be prescribed to lower cholesterol levels.

• In severe cases, surgical interventions like angioplasty or bypass surgery may be necessary.

• Regular monitoring and follow-up with healthcare providers is important for effective management.