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1st Sem Hotel Engg. Notes

Solid and Liquid Waste Management in Hotels: A Comprehensive Guide

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Last updated: 4 July 2023

As the hospitality industry continues to grow, it is becoming increasingly important to prioritize sustainable waste management practices. Proper disposal of solid and liquid waste, sullage, and sewage is crucial for maintaining a clean and healthy environment for guests, staff, and the surrounding community. In this blog, we will explore the best practices for managing waste in hotels.

Understanding the Different Types of Waste

Solid waste refers to any non-liquid waste generated in the hotel, such as food waste, paper, plastics, and other disposable items. Liquid waste, on the other hand, includes any wastewater generated by the hotel, including greywater (from sinks, showers, and washing machines) and blackwater (from toilets).

Sullage is the term used for waste generated from kitchen and laundry facilities, which can include fats, oils, and grease (FOG). Sewage is wastewater that contains human waste and is typically generated from toilets and other human waste disposal systems.

Disposal of Solid Waste

Effective solid waste management begins with proper waste segregation. Hotels should have clearly marked bins for different types of waste, including food waste, recyclables, and non-recyclable items. Staff should be trained to properly sort and dispose of waste to ensure it is sent to the appropriate disposal facility.

To reduce the amount of waste generated in the first place, hotels can take steps to minimize packaging and disposable items. For example, providing refillable toiletry containers instead of single-use plastic bottles can significantly reduce waste.

Disposal of Liquid Waste, Sullage, and Sewage

Liquid waste, sullage, and sewage must be treated before it can be discharged into the environment. Hotels should have a properly designed and maintained wastewater treatment system that includes a septic tank or sewage treatment plant.

Sullage waste can be more challenging to manage due to its high levels of FOG. To prevent blockages in pipes and damage to the environment, hotels should install a grease trap to capture FOG before it enters the wastewater system.

Pollution Prevention

Effective waste management also involves preventing pollution. Hotels should take steps to reduce their environmental impact, such as by using eco-friendly cleaning products and reducing energy consumption.

To minimize the impact of waste disposal on the environment, hotels should consider using composting and recycling programs whenever possible. This can significantly reduce the amount of waste sent to landfills, which can have a significant impact on the environment.

Conclusion

Effective solid and liquid waste management is critical for maintaining a healthy and sustainable environment for guests, staff, and the surrounding community. By prioritizing waste reduction, proper segregation, and pollution prevention, hotels can play a significant role in reducing their environmental impact.

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Syllabus BHM106

01 Maintenance

  1. Introduction
  2. Preventive and breakdown maintenance, comparisons
  3. Role & Importance of maintenance department in the hotel industry with emphasis on its relation with other departments of the hotel.
  4. Organization chart of maintenance department, duties and responsibilities of maintenance department

02 Fuels used in the catering industry

  1. Introduction
  2. Types of fuel used in catering industry; calorific value; comparative study of different fuels
  3. Calculation of amount of fuel required and cost.

03 Gas

  1. Introduction
  2. Heat terms and units; method of transfer
  3. LPG and its properties; principles of Bunsen burner, precautions to be taken while handling gas; low and high-pressure burners and their corresponding heat output
  4. Gas bank, location, different types of manifolds

04 Electricity

  1. Introduction
  2. Fundamentals of electricity, insulators, conductors, current, potential difference resistance, power, energy concepts; definitions, their units and relationships, AC and DC; single phase and three phases and its importance on equipment specifications
  3. Electric circuits, open circuits and close circuits, symbols of circuit elements, series and parallel connections, short circuits, fuses; MCB, earthing, the reason for placing switches on the live wire side.
  4. Electric wires and types of wiring
  5. Calculation of electric energy consumption of equipment, and safety precautions to be observed while using electric appliances.
  6. Types of lighting, different lighting devices, incandescent lamps, fluorescent lamps, other gas-discharged lamps, illumination, and units of illumination.
  7. External lighting
  8. Safety in handling electrical equipment

05 Water systems

  1. Introduction
  2. Water distribution system in a hotel
  3. Cold water systems in India
  4. Hardness of water, water softening, base exchange method
  5. Cold water cistern swimming pools
  6. Hot water supply system in hotels
  7. Flushing system, water taps, traps and closets.

06 Refrigeration & Air-conditioning

  1. Basic principles, latent heat, boiling point and its dependence on pressure, vapour compressor system of refrigeration and refrigerants.
  2. Vapour absorption system, care and maintenance of refrigerators, defrosting, types of refrigerant units, their care and maintenance.
  3. Conditions for comfort, relative humidity, humidification, dehumidifying, due point control, unit of air conditioning
  4. Window type air conditioner, central air conditioning, preventive maintenance
  5. Vertical transportation, elevators, escalators

07 Fire prevention and fire fighting system

  1. Classes of fire, methods of extinguishing fires (Demonstration)
  2.  Fire extinguishers, portable and stationery
  3.  Fire detectors and alarm
  4. Automatic fire detectors cum extinguishing devices
  5. Structural protection
  6. Legal requirements

08 Waste disposal and pollution control

  1. Solid and liquid waste, sullage and sewage, disposal of solid waste
  2.  Sewage treatment
  3. Pollution related to the hotel industry
  4. Water pollution, sewage pollution
  5. Air pollution, noise pollution, thermal pollution
  6. Legal Requirements

09 Safety

  1. Accident prevention
  2. Slips and falls
  3. Other safety topics

10 Security

11 Equipment replacement policy

  1. Introduction
  2. Circumstances under which equipment are replaced.
  3. Replacement policy of items which gradually deteriorates
  4. Replacement when the average annual cost is minimum
  5. Replacement when the present cost is minimum
  6. The economic replacement cycle for suddenly failing equipment

12 Audio-visual equipment

  1. Various audio-visual equipment used in hotel
  2. Care and cleaning of an overhead projector, slide projector, LCD and PowerPoint presentation units
  3. Maintenance of computers
  4. Care and cleaning of PC, CPU, Modem, UPS, Printer, Laptops
  5. Sensors – Various sensors used in different locations of a hotel – type, uses and cost-effectiveness

13 Contract maintenance

  1. Introduction
  2. The necessity of contract maintenance, advantages and disadvantages of contract maintenance
  3. Essential requirements of a contract, types of contract, their comparative advantages and disadvantages.
  4. Procedure for inviting and processing tenders, negotiating and finalizing