ABSTRACT We present preliminary results of a bench-scale simulation of the mechanics of dust emissions from a cattle feedyard surface. The experimental apparatus simulated hoof action by dropping steel weights of standardized geometry onto an uncompacted layer of dried, sieved feedyard manure, varying the kinetic energy of the falling weight by adjusting the height from which it was dropped. Th...

Odors are emitted from a variety of sources in swine production facilities. A large quantity of odorants can be emitted from manure handling and storage facilities. However, swine production buildings can also emit significant levels of odorants. This is especially true if manure is held within the buildings for periods exceeding 4-5 days. Manure also sticks to floors, walls, equipment, and pig...

Beef cattle feedlots face serious environmental challenges associated with manure management, including greenhouse gas, odor, NH3, and dust emissions. Conditions affecting emissions are poorly characterized, but likely relate to the variability of feedlot surface moisture and manure contents, which affect microbial processes. Odor compounds, greenhouse gases, nitrogen losses, and dust potential...

The Biosorption property of S. cerevisiae for chromium uptake was investigated in an immobilized cell bioreactor. Saw dust was utilized as the solid bed in the reactor. Adsorption of S. cerevisiae on saw dust obeys a first order reaction kinetic up to 6 hours. The immobilized biomass particles are porous and exist in the new generation of biological adsorbent. Chromium biosorption was studied i...

Production of hydrogen rich product gas through thermochemical energy conversion having the biomass gasification is making significant inroads for green fuel generation. In present work, detailed physical and chemical characterization, air air–steam four biomasses i.e., Kasai Saw Dust, Lemon Grass, Wheat Straw Pigeon Pea Seed Coat from different group production system at steam to ratio, equiva...

In order to investigate the possibility of using organic fertilizers in tobacco floating nursery, an experiment was conducted at tobacco research institute of Urmia in 2010. The experiment was done as factorial trail based on randomized complete block design (CRBD) with four replications. The levels of first factor were disinfected poultry manure, disinfected pigeon manure, a complete fertilize...

In order to investigate the possibility of using organic fertilizers in tobacco floating nursery, an experiment was conducted at tobacco research institute of Urmia in 2010. The experiment was done as factorial trail based on randomized complete block design (CRBD) with four replications. The levels of first factor were disinfected poultry manure, disinfected pigeon manure, a complete fertilize...

The objective of this paper is to summarize the available literature on the concentrations and emissions of odor, ammonia, nitrous oxide, hydrogen sulfide, methane, non-methane volatile organic carbon, dust, and microbial and endotoxin aerosols from livestock and poultry buildings and manure management systems (storage and treatment units). Animal production operations are a source of numerous ...

Increase in industrialization as well as sophisticated life style is leading to increased indoor air pollution causing major health problems in our developing country, India. Chronic exposure to saw dust affects the worker’s lung functions and stimulates allergic responses. Present study is designed to investigate the effects of saw dust on the lung functions as it puts the workers’ health into...