Surfactants are substances that are adsorbed onto the surface/interface of a system and alter the surface/interfacial energy of the same. They generally consist of two parts, hydrophobic head and hydrophilic tail. Surfactants can be classified on the basis of effect, origin, structure and applications and can be further sub classified on the basis of chemical structure as anionic, cationic, non-ionic and zwitterionic surfactants [21]. Anionic surfactants have negatively charged head group and positively
The diagram of the production of the Biodegradation process is presented schematically. This figure shows that in order to produce a high conversion rate of triglyceride, this process is carried out in two steps, initially in the first stage, 90% of a solvent such as methanol or ethanol with a catalytic form such as sodium hydroxide or potassium hydroxide with the available seeds The first reactor is added and before the second step, the glycerol is eliminated to a great extent. Then add 10% of the
There is no ideal way to overcome the problem of waste disposal, all options in waste management have their own impact mainly emissions from landfilling. Landfilling accounted for almost 5% of total global emissions of greenhouses gas that has an impact 20 times higher than carbon dioxide. The use of proper waste management can make a major contribution towards a sustainable future. Creating a strategy for the prevention of waste is the most important thing. A country without a strategy will not
(Benitez et al., 2000). There are several reason why they are considered sensitive indicator of soil quality: they measure main microbial reactions involving nutrient cycles in soil; they respond rapidly to changes in both, natural and anthropogenic factors; and they are easily measured (Shukla and Varma, 2011) and produce reproducible results (Klaus Schaller, 2009). Moreover, they predict changes in soil environment (Shukla and Varma, 2011), allowing us to take action before the damage is
Composting is the accelerated biodegradation of organic wastes by microorganisms with simultaneous elimination of pathogenic microbes under thermophilic conditions (Haroun et al., 2009; Hait and Tare, 2011a). However, long duration and frequent turning of material for dissipation of heat
MODELS FOR CLASSIFICATION OF CRUDE OIL SPILLAGE Anyadiegwu Charley Iyke C. – Department of Petroleum Engineering, Federal University of Technology, Owerri. drcicanyadiegwu@yahoo.com ABSTRACT Classification of oil spill by source and quantity was presented. Samples of oil spilt from seven sites were obtained for the study. Computer model was developed for the determination of the source and quantity of oil spill in any site. The analyses in this paper show that it is very easy for operators to know
comply with the FTC's guidelines. Green marketing claims must; 1. Clearly state environmental benefits; 2. Explain environmental characteristics; 3. Explain how benefits are achieved; 4. Ensure comparative differences are justified; 5. Ensure negative factors
‘Nothing is all wrong, even a clock that has stopped running is correct twice a day'. This is the philosophy of my life. After rejecting medical admission test, I take admission test in various universities and finally I get admission in Food Engineering & Tea Technology department at Shahjalal University of Science & Technology. As my dream was to work in medical field, I always explored something that relates food, nutrients, and human health. Finally, I was pondering to read an article in 2010
The release of dyes through contaminated water into the ecosystem from various industries like textile, leather, cosmetic, paper, pharmaceutical and food industries is not only a source of aesthetic pollution but also can cause human health disorders and adversely affects the aquatic life causing severe environmental problems worldwide. In view of increasing concern from perspective of environmental safety and health, physico-chemical and biological techniques are to be constantly explored for decolourization
INTRODUCTION Water is one of the most important part of which man has been exploited than any other resource for the sustenance of life. The evaporation and precipitation continuously purify the water; pollution of water has been generated as one of the most significant environmental problems in recent years. The unique properties water i.e. physical, chemical & biological which make it is universal solvent and a renewable resource, also make it a substance with greater tendency to get polluted.