نتایج جستجو برای: 7 animal wastes
تعداد نتایج: 844855 فیلتر نتایج به سال:
Anaerobic digestion is an old biological wastewater treatment process, having first been studied more than a century ago. It is a multistep process in which organic matter is degraded into a gas mixture of methane and carbon dioxide by microorganisms. It thus reduces the Chemical Oxygen Demand (COD) of the influent and produces valuable energy (methane). The biological scheme involves several m...
Earthworms have been successfully used in the vermistabilization of urban, industrial and agricultural wastes in order to produce organic fertilizers and obtain protein for animal feed. Although many species could be used for these ends, given their nutritional requirements and reproductive biology, only Perionyx excavatus and Lampito mauritii are widely used. The most effective use of earthwor...
This work focused on the investigation and evaluation of the single or individual effects of feed-inoculum ratio, temperature, and agitation speed (i.e. operating variables) on biomethanization of the mixture of cattle manure, pig manure and poultry manure (mixed animal wastes) co-digested with pineapple fruit waste and content of chicken-gizzard (inoculum) as well as to model the kinetics of b...
The field of biotechnology presents us with a great chance to use many organisms, such as mushrooms, find suitable solutions for issues that include the accumulation agro-wastes in environment. green mushrooms (Pleurotus ostreatus L.) includes myco-remediation polluted soil and water well bio-fermentation. circular economy approach could be effectively achieved by using oyster L.), which substr...
Readers of Current Content@ (CP ) have often heard me praise Philadelphla’s cultural and scientific achievements. While I take great pride in these and other local accomplishments, Philadelphia, like most other cities, does have its share of problems such as waste disposal. But if we are slow to act in the face of this public health issue, overcoming our complacency toward wastes that are invis...
Background and Objective: Hospital wastes with the content of infectious, pathologic, sharp, pharmaceupitical and genotoxic materials are classified as hazardous wastes. Of which, genotoxic residues wirh mutagenic and teratogenic effects are of most great concern on human health. Genetic wastes are referred to as cytotoxic, chemical, and radioactive drugs used to treat cancer or treat transplan...
Improved crop quality and quantity is the main target of soil fertilization in conventional agriculture. However, organic agriculture, adding nutrients to threshold replenishment lost through every crop. Mineral fertilizers provide essential macro microelements plants for their active growth development. Unfortunately, these kinds easily run off from plant vicinity because frequent watering rai...
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