Phnom Penh, Cambodia (25 January 2011
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Siem Reap, Cambodia (25 January 2011)
Environmental protection has become a priority for all of people, especially in hospitality industry. The Government of the Kingdom of Cambodia as well as provincial authorities in Siem Reap, is fully dedicated to protect the environment and guarantee a sustainable development of the community. Along with this, private sectors also contribute to environmental protection especially hospitality industry.
Mr. Charles-Henri Chevet, General Manager of Sofitel Angkor Phokeethra Golf & Spa Resort said at the press conference on January 24 that “on behalf of private sector, we would like to contribute and protect environment in order to achieve sustainable development in Cambodia through tourism sector. At the beginning of 2011, we begin with a new initiative related to waste management.” This environment protection program is a waste recycling biogas machine, which is unique in Siem Reap.
Most biodegradable organic material located in the hotel are collected and fed into a digester tank called biogas system. Organic materials are decomposed by bacteria in the absence of oxygen. This process produces biogas (a renewable natural gas) which is cleaned, compressed and sent to the kitchen of the staff cafeteria to cook 500 meals severed per day. The implementation of this equipment will allow saving up to 7,000 kg of LPG gas per year, and also prevents wastes which are produced from hotel”.
He continued to say that the bio-gas system uses Anaerobic Digester (AD), and has HRT (Hydraulic Retention Time) of 30 days at 30-35 degree Celsius. “As we know, AD is a simple biochemical process by which waste products can be converted to energy using plant waste, crop residue, food scraps or other waste products. It is one of the most common chemical processes in nature. The process is similar to fermentation as the transformation is brought about by micro organisms.”
“Most biodegradable organic materials on the hotel premise and restaurants can be collected, shredded and fed into an anaerobic digester tank of the Biogas system where it is broken down by bacteria in the absence of oxygen,” he emphasized.
He added the slurry that is left after the digestion process is completed is mainly composed of organic humus, with small amounts of nitrogen and phosphates. This final product of gas production makes an excellent fertilizer and soil conditioner for hotel’s gardens.
As energy source, it prevents deforestation, solves pollution problem and promote better health for people. It also contributes to environment conversation and preserve this precious planet earth for many generations of human children.”
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