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Green Horeca knowledge – GREEN HORECA

Commercial kitchen odor removal

The commercial kitchen when working creates airborne grease, fumes, odor and that nasty steam that makes the kitchen cloudy. How to remove fumes and odor in the commercial kitchen?

Hood is installed above kitchen stoves or cooking areas, connected to a exhaust system with a blower (extractor fan) will suck fumes and odor out of the kitchen and discharged in the designed position.

So, the exhaust system does the job of cleaning the air in the restaurant kitchen, creating a good working environment for kitchen staff.

But smoke and odor are still released after being sucked out of the system into the environment, causing air pollution and harming human health. (read more about “The harm of fumes pollution in catering industry” The odor from the restaurant kitchen is mixed in the soot, which brings a lot of harm to people’s normal life.some

Fumes contains lampblack, cooking oil can be purified by some kind equipment such as ESP (Electrostatic Precipitator) fume purifier, active carbon, by water in high result, approximately 98% if purify by ESP.

But the odor are organic molecules that cannot be thoroughly treated with above equipment. How to treat the odor from kitchen?

The methods to treat the commercial kitchen odor are UV light or industrial ozone, or Titanium dioxide filters. There are various ways of applying UV or Ozone or UV + Ozone, or UV + Ozone + Titanium dioxide filters

  • UV light has high energy that can break chemical bonds and break larger molecules into smaller molecules, breaking the bonds of fat compounds by breaking them down into simpler molecules. Consequently, the odor after treating using a UV device is the breaking of these bonds during sterilization. Installing UV device together with ESP on the commercial kitchen exhaust system can purify up to 98% odor and fumes. (The UV light in this case is UV C). UV – C has bactericidal properties.
  • Ozone reacts with odor molecules by transferring the “extra” oxygen atom of the ozone molecule to the odor molecule, changing its composition so it no longer has the same chemical makeup. This chemical reaction is called oxidation. Because Ozone is a tiny molecule which is composed of three oxygen atoms. It is highly reactive which makes it an unstable and potentially toxic gas. It is important to make sure that the Ozone has completely “turned back” into oxygen before the air comes out in the street. Usually a few meters of tube are required for this to happen, or an active carbon filter must be install at the end of the tube.

ASEAN Green Hotel standard

The ASEAN Green Hotel Standard is an ASEAN initiative dedicated to promoting sustainable tourism practices around the Asean (ASEAN: Association of Southeast Asian Nations). TheASEAN Green Hotel Standard is currently active in Vietnam, Singapore, Thailand, Brunei, Cambodia, Laos, Indonesia, Malaysia, Myanmar and Philippines.

The ASEAN Green Hotel Standard fosters sustainable tourism through the adoption of the Environmentally-friendly and Energy Conservation; compiling, adapting and creating the tools and training to engage in ASEAN Green Hotel practices. This Green Hotel Standard deals with the following essential elements of professional Green Hotel operations: Environmental plan, green products, Human resource and environmental management.

A Green Hotel as defined by this standard is an establishment for the promotion of the Environmentally friendly and Energy Conservation. This main management consist of engineering division, room division, front office department, F & B division, …  A Green Hotel operation can be modified for many stakeholders such as hotel management, guest, staff, community for make a better cooperation to reach the criteria and success in green management.

ASEAN Green Hotel Standard – Major Criteria and Requirements:

1. Standards

  • Promotion of environmental activities.
  • Existence of plan for raising staff to be aware of environment i.e. training.
  • Existence of environmental management plan for hotel operation.
  • Existence of monitoring program for environmental management of hotels.

2. Air quality management (in door & out door)

  • Designation of smoking and non-smoking area.
  • Regular monitoring and maintenance for equipment and hotel facilities to ensure the air quality i.e. air conditioning.

3. Noise pollution control

  • Existence of noise control program from hotel operation.

4. Toxic and chemical subtaince disposal management

  • Regular inspection, cleaning and maintenance for storage in order to avoid leakage of gas or toxic chemical substance.
  • Provision of clear signs for toxic substance.
  • Appropriate hazardous waste disposal management.

5. Using green products

  • Encouragement for the use of environmentally friendly products.
  • Encouragement for the use of local products for hotel operation such as food and handicrafts.

6. Collaboration with the community local organizations

  • Creation of activities in promoting culture and traditional performance and local ways of life.
  • Creation of job opportunity for local community.
  • Existence of plans/activities to help improve quality of life of the community.
  • Existence of awareness rising programs for local community on environmental protection.

7. Energy effiency

  • Introduction of energy saving techniques and / or energy saving technology and equipment for hotel to reduce energy consumption.
  • Installation of meters/equipment to monitor energy consumption.

8. Water efficiency and water quality

  • Introduction of water saving techniques and / or use of water saving technology and equipment to reduce water consumption.
  • Regular maintenance for water saving equipment.
  • Encouragement of the involvement of hotel Guest in water saving.
  • Ensure the quality of water used in the hotel.

9. Waste water treatment and management

  • The use of mechanisms to prevent water contamination and reduce waste water generation.
  • Promotion of the use of recyclable/grey water in operation such as watering trees.
  • Encouragement for an appropriate use of wastewater treatment.

10. Solid waste management

  • Introduction of waste management techniques e.g. waste reduction, reuse, recycling, waste separation and composting.
  • Encouragement of the involvement of hotel staff in waste reduction, reuse, recycling, waste separation and composting program.
  • Encouragement of the involvement of hotel Guest in reuse, recycling, waste separation.

11. Human resource development

  • Providing training programs for operation and management staff on environmental management.

 

ASEAN The Association of Southeast Asian Nations (ASEAN) is a regional intergovernmental organization comprising ten Southeast Asian states which promotes Pan-Asianism, intergovernmental cooperation and facilitates economic, political, military, educational and cultural integration amongst its members and Asian states. The countries are Indonesia, Malaysia, the Philippines, Singapore, Thailand, Brunei, Cambodia, Laos, Myanmar, and Vietnam.

Green ideas for Hotels & Resort

A hotel or resort consists of divisions operating together, In other to go green, we should make policies for the whole hotel and there are rules for each division with the following ideas:

Energy and Water saving

  • To reduce water use, consider using rainwater harvesting, greywater system, and/or air conditioner or refrigerant condensate for needs such as irrigation, toilet flushing, or fire suppression systems.
  • Switch to drought resistant native plants in garden areas
  • To reduce operational costs, water and energy consider installing an ozone laundry system.
  • Switch to low flow or dual flush toilets.
  • Make sure all waste-water is being properly treated either through an onsite or municipal sewage system.
  • Follow 5 ways to save water in the restaurant kitchens
  • Start a linen (both towels and sheets) reuse program in all guest rooms.
  • Switch to LED regular and tube lights in guest rooms, lobbies, and hallways.
  • Install keycard master switches or occupancy sensors in guest rooms that control lights, electronics, blinds and temperature settings.
  • Use an energy management (or building management system) to tie in air handling units, HVAC, and lighting to prevent conditioning space when it is not necessary.
  • Use daylight exclusively in your lobby, bar, and restaurant for as much of the day as possible.
  • Consider using geothermal technologies, waste heat recovery, cooling tower. Set the indoor cooling setpoint to 23° C or higher and heating setpoint to 23° C or lower and put limits on cooling and heating ranges throughout the building and guest rooms.
  • Replace old washing machines with both water and energy conserving models.
  • Install window film to lower heating and cooling loads and reduce glare in guest rooms.
  • Plant shade trees or add overhangs on south and west facing walls to reduce energy use for heating and cooling.
  • If the hotel has a pool or hot tub that requires heating, install a solar PV system and air-source heat pump.
  • In hot and sunny climates, use insulation for roofs.
  • Install an inverter equipment for exhaust fansin the kitchen.
  • Install a renewable energy system onsite.

Fume, waste disposal and recycling

  • Install fume purifier, sound absorption device on the kitchen exhaust system and fan.
  • Install grease trap in the kitchen drain.
  • Provide guest room recycling baskets for newspaper, paper, glass, aluminum, cardboard, metal and plastic.
  • Provide recycling bins in public areas, in the kitchen, and in the back office to make recycling as easy as possible.
  • Learn about local regulation and rules of hazardous waste collection ( printer cartridges,  batteries, electronics, paint, coating, …) and keep a separate bin to store these for drop off.

Food & Beverage division:

If your hotel has F & B division that runs a restaurant, consider transitioning it into a green restaurant:

  • Buy organic, locally-grown food to provide fresh produce for customers.
  • Take steps to reduce food waste.
  • Train kitchen employees to turn off ventilation hoods when the cooking appliances are off, or adjust inverter equipment for exhaust fans when reducing cooking capacity to save energy.
  • Provide reusable items such as cloth napkins, glass cups, ceramic dishes, etc. with all food and beverage services.
  • Follow 5 ways to save water in the restaurant kitchens

Garden

If your hotel has a garden, consider fllowing ideas:

  • Purchase plants that are native to your area.
  • Build a small lake with fishes, a stream.
  • Learn how to attract hummingbirds, butterflies and birds
  • Consider creating an organic food garden for the kitchen.
  • Use public solar lights.

F.O and Rooms Divisions

  • Provide local green guides, biking guides and hiking and information about the local environment and conservation efforts.
  • Provide guests bicycles, walking maps, and information on public transportation.
  • Provide glass cups and ceramic mugs (instead of plastic) for in-room beverages. Place cups and mugs upside down on paper doilies (instead of covering opening with a plastic wrapping).
  • Offer free battery charging for green vehicles.

Sales & Marketing Department

  • Get hotel certified through local or country government, or other environmental organizations. It can help promote your work.
  • Promote the hotel’s green programs to guests, online and offline.
  • Post informational posters in break rooms and guest areas as a format for communicating your green practices to your guests.
  • Offer discounted rates to environmental organizations who would like stay or hold meetings at hotel.

Back office

  • Purchasing division should create a sustainable and green purchasing policy throughout the hotel.
  • Minimize the amount of paper used in the office
  • Buy furniture that has recycled content, rapidly renewable materials, locally produced.
  • Buy office and guest amenity products that contain recycled material.
  • If offering dry cleaning services, use nontoxic, biodegradable dry cleaning solvent substitutes.
  • Buy nontoxic, biodegradable cleaning, laundry and dishwashing products
  • Buy organic, biodegradable, fair trade, locally-produced, cruelty-free guest amenity products with minimal or recycled, plastic-free packaging whenever possible.

Staff

  • Create a ‘green team’ at Hotel with the goal of continual improvement and scheduled re-evaluation and reporting.  Provide yearly staff training on green practices throughout the buildings
  • Create an incentive program to encourage staff to participate in and improve upon environmentally-friendly practices.

What is an green restaurant?

A restaurant or a cafe that is not only interested in serving food, drinks and making money, but also takes responsibility for its social impact, adopting measures to reduce the footprint of their activities and promote more sustainable consumption that is in harmony with nature.

A green restaurant is a restaurant with sustainable management systems.

A green restaurant is a restaurant which have regulations, policies to save energy and water, disposal waste, using eco-friendly products.

A green restaurant is a restaurant with materials and food selection based on products that respect animal welfare and sustainable agriculture. Also working with local suppliers to help increase local business

A green restaurant is a restaurant that has trained and educated staff for knowledge and working regulations of environment protection and green goals.