High concentrations of ammonia (NH3) inside poultry
housing have a negative environmental impact on poultry
and humans who spend considerable time there. Ammonia
volatilization has long been recognized as an environmental
problem causing acidification (Gayand Knowlton, 2005).
Exposure to high NH3 levels for long periods is eventually
detrimental to poultryproduction (Rylander and Carvalheiro,
2006). Ammonia is the predominant gas generated from
poultryhouses through the interaction of poultrywastes with
a combination of skin debris, feathers, and fecal matter (Ritz
et al., 2004). For example, poultryare raised on wet litter
combining wood shavings, rice hulls, and waste in fanventilated
environments with high stocking rates, and air
velocityfrom high ventilation rates fills the area with
harmful gases, such as NH3 and other contaminants. Factors
that affect NH3 volatilization can be determined byassessing
several important characteristics of poultrylitter, including
pH, temperature, and moisture (Elliott and Collins, 1982).
Poultrylitter is the most valuable resource of major plant
nutrients and organic matter, which can be used to increase
crop productivityand soil qualitydue to its high nitrogen (N)
content (Sims and Wolf, 1994). However, the N content of
poultrylitter is susceptible to NH3 volatilization, which can
reduce fertilizer quality(Kim et al., 2005). Thus, there is
increased emphasis on implementing effective control technologies
that would reduce NH3 emissions from confined
poultryoperations bycapturing and recovering N. Based on
this criterion, a novel approach to NH3 removal from poultry
house was developed; i. e., the use of alum and aluminum
chloride, which can also be used to have positive economic
and environmental effects. As a result, alum is commonly
used as a litter additive that can suppress the production of
High concentrations of ammonia (NH3) inside poultryhousing have a negative environmental impact on poultryand humans who spend considerable time there. Ammoniavolatilization has long been recognized as an environmentalproblem causing acidification (Gayand Knowlton, 2005).Exposure to high NH3 levels for long periods is eventuallydetrimental to poultryproduction (Rylander and Carvalheiro,2006). Ammonia is the predominant gas generated frompoultryhouses through the interaction of poultrywastes witha combination of skin debris, feathers, and fecal matter (Ritzet al., 2004). For example, poultryare raised on wet littercombining wood shavings, rice hulls, and waste in fanventilatedenvironments with high stocking rates, and airvelocityfrom high ventilation rates fills the area withharmful gases, such as NH3 and other contaminants. Factorsthat affect NH3 volatilization can be determined byassessingseveral important characteristics of poultrylitter, includingpH, temperature, and moisture (Elliott and Collins, 1982).Poultrylitter is the most valuable resource of major plantnutrients and organic matter, which can be used to increasecrop productivityand soil qualitydue to its high nitrogen (N)content (Sims and Wolf, 1994). However, the N content ofpoultrylitter is susceptible to NH3 volatilization, which canreduce fertilizer quality(Kim et al., 2005). Thus, there isincreased emphasis on implementing effective control technologiesที่จะช่วยลดการปล่อยก๊าซ NH3 จากวังpoultryoperations bycapturing และการกู้คืนตาม N. บนเกณฑ์นี้ วิธีการแบบนวนิยายเพื่อกำจัด NH3 จากสัตว์ปีกเฮาส์ได้รับการพัฒนา i. e. การใช้สารส้มและอลูมิเนียมคลอไรด์ ซึ่งสามารถใช้ให้บวกเศรษฐกิจและผลกระทบสิ่งแวดล้อม ดังนั้น สารส้มโดยทั่วไปใช้เป็นการบวกแคร่ที่สามารถระงับการผลิต
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