本篇美国Essay代写-化学污染的生物处理方法讲了空气污染的生物处理依赖于以废气中的无机和有机化合物为食的好氧微生物。微生物将污染物转化为水、盐和二氧化碳。治疗是基于将气体流包括碳氢化合物浓度低于1000 mg / m3,和气体的温度将10至43°C。生物过滤器用于清除受污染的地下水和土壤中的蒸汽。本篇美国Essay代写文章由美国第一论文 Assignment First辅导网整理，供大家参考阅读。
The biological treatment of the air pollution relies on aerobic microorganisms that feed both on inorganic and organic compounds in the waste gas. The pollutants are converted into water, salts and carbon dioxide by the microbes. The treatment is based on treating the gas streams including hydrocarbons at a concentration below 1000 mg/m3, and the temperature of the gas would be 10 to 43 °C. Biofilters are used in removing vapors from polluted groundwater and soil.
The biofilter is the least expensive and simplest method of biological treatment. Its main component is tree bark, heather, peat, a bed of compost and soil. The material in biofilter bed supplies a microorganism that degrades the pollutants of gasses passing through it. Most of the units in biofilter resemble towers which are designed as a sealed vertical container. The inflow of gas and humidity should be controlled carefully. The gas should be saturated with water vapor, dust free and be at the temperature of 10 to 40 °C.
A bioscrubber consist of wastewater treatment and air pollution control technologies and consist of a biological treatment and scrubber basin. The oxygen and waste gasses are absorbed continuously into the water in the scrubber. In the basin unit, the biological oxidation takes places which are the activated basin of the wastewater treatment plant. The bioscrubbers are used when the biological degradation products harm the biofilter bed. Bioscrubbers are used to eliminate chlorinated organic.
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