They are also organic compounds in which one or more of the hydrogens in ammonia is replaced with a more complex group.

Most contaminants are coliform bacteria and faecal streptococcus, and among chemical ones, there are ammonia, nitrates, nitrites, rare heavy metals and other toxic agents.

Furthermore, per kilogram of manure, you have much, much less ammonia and fewer greenhouse gases when you have insect manure than when you have cow manure.

The project is a mechanical processing enterprise. Its initial emission rate for the chemical oxygen demand (COD) and ammonia (NOX) are 0.514 tons year and 0.052 tons year, respectively.

In previous years, microbiological inspections detected most often contaminants as follows increased total or aerobic mesophyllic bacteria, E. coli and faecal streptococcus, while chemical analyses detected organic contents, ammonia, nitrate, nitrite, iron, and other toxic matters (disinfection processes by products).

Nevertheless, the increased trend toward the use of hydrocarbons, ammonia, carbon dioxide and low global warming potential fluorocarbons had been noted in various applications, as had been the increasing trend to use secondary loop systems to reduce refrigerant charge and emissions.

He says that two thirds of China s almost 3,000 counties have tried artificial methods to induce more rainfall, sometimes resulting in lawsuits over rights to mine passing clouds for water. Such efforts, Zheng reports, have involved some 6,533 cannons, 5,939 rocket launchers, and numerous aircraft in an attempt to seed clouds across one third of China s landmass with dry ice, ammonia, and silver iodide.

The air in the sheds is high in ammonia from bird feces, which are usually allowed to pile up for months and in some cases for a year or more before being cleaned out. Medical experts warn that because the birds are routinely fed antibiotics to keep them growing in such crowded, filthy, and stressful conditions, antibiotic resistant bacteria could cause a public health threat.