Podcast
Questions and Answers
Composting is the process of making a heap of wetted organic matter and waiting for the materials to break down into humus after a period of weeks or ______
Composting is the process of making a heap of wetted organic matter and waiting for the materials to break down into humus after a period of weeks or ______
months
The decomposed product of composting, known as compost, can be recycled as a fertilizer and soil ______
The decomposed product of composting, known as compost, can be recycled as a fertilizer and soil ______
amendment
Composting helps reduce or eliminate the need for chemical ______
Composting helps reduce or eliminate the need for chemical ______
fertilizers
Composting captures and destroys 99.6 percent of industrial volatile organic chemicals (VOCs) in contaminated ______
Composting captures and destroys 99.6 percent of industrial volatile organic chemicals (VOCs) in contaminated ______
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Anaerobic digestion, composting/aerobic digestion, and pyrolysis and gasification are alternative waste treatment ______
Anaerobic digestion, composting/aerobic digestion, and pyrolysis and gasification are alternative waste treatment ______
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Composting provides cost savings of at least 50 percent over conventional soil, water, and air pollution remediation ______
Composting provides cost savings of at least 50 percent over conventional soil, water, and air pollution remediation ______
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______ gas outside the site must not exceed 1 vol% CH4, I vol% H2, 1.5% CO2
______ gas outside the site must not exceed 1 vol% CH4, I vol% H2, 1.5% CO2
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Passive venting involves highly permeable vent of gravel material or perforated plastic pipe vented to ______
Passive venting involves highly permeable vent of gravel material or perforated plastic pipe vented to ______
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Pumping extraction systems pump the gas out of the landfill, then it is flared or used for energy ______
Pumping extraction systems pump the gas out of the landfill, then it is flared or used for energy ______
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Leachate is water passed through the waste plus water generated by ______
Leachate is water passed through the waste plus water generated by ______
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The generation rate of leachate is estimated based on factors like rainfall, amount of rainfall infiltrating to the waste through the cover, and absorptive capacity of the ______
The generation rate of leachate is estimated based on factors like rainfall, amount of rainfall infiltrating to the waste through the cover, and absorptive capacity of the ______
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Drainage system for leachate management contains permeable granular system with perforated pipes to collection ______
Drainage system for leachate management contains permeable granular system with perforated pipes to collection ______
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The landfill site is developed, operated and restored in a series of __________
The landfill site is developed, operated and restored in a series of __________
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Within each phase are cells –typically between 3 and 5 m, - weeks or months tipping area. Waste deposited and __________
Within each phase are cells –typically between 3 and 5 m, - weeks or months tipping area. Waste deposited and __________
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Addition of daily __________
Addition of daily __________
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Decomposition processes of biodegradable wastes in landfills: Stage I. Hydrolysis/aerobic __________
Decomposition processes of biodegradable wastes in landfills: Stage I. Hydrolysis/aerobic __________
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The heat generated can raise the temperature of the waste to up to 70°C-90°C. Carbon dioxide absorbed into water to form- carbonic acid which gives acidity to the __________
The heat generated can raise the temperature of the waste to up to 70°C-90°C. Carbon dioxide absorbed into water to form- carbonic acid which gives acidity to the __________
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Different micro-organisms, the facultative anaerobes become dominant. Carbohydrates, proteins and lipids are hydrolysed to sugars which are then further decomposed to carbon dioxide, hydrogen, ammonia and organic __________
Different micro-organisms, the facultative anaerobes become dominant. Carbohydrates, proteins and lipids are hydrolysed to sugars which are then further decomposed to carbon dioxide, hydrogen, ammonia and organic __________
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