Heavy metals and persistent organic pollutants polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) were analyzed in 34 surface soil samples collected from farmland and 7 soil or dust samples collected from the workshops in South China, where e-waste was dismantled using primitive techniques. The results show that Cd, Cu and Hg were the most abundant metals, in particular...

Bender, D., and Riordan, F.\ “Electrolytic Recovery of Mercury Metal from a Mercuric C loride-Containing Waste ’‘ Met Wasre Manage. A l t Symp ]roc , Calif Dep Health Serv , 137 (1989). I Higgins, T. E., and Gemmell, A. S , “lndustnal waste recovery and reuse: four industrial wastewater case histories.” Proc Ind Waste Symp., 62nd Annual Con$ Water Pollut Control Fed , 293 (1989). , Crane, A., “...

proteases catalyze the hydrolysis of peptide bonds in proteins. they are widely distributed in nature, nearly in all plants, animals and microorganisms. plant latex is a rich source of proteases. latex production is unique property of euphorbian plant, which could be a potential source of proteolytic enzymes. the highest proteolytic activity was observed in the latex of pedilanthus tithymaloide...

OBJECTIVE To evaluate the environmental quality of Guiyu, Guangdong impacted by the electronic waste recycling industry. METHODS The surface water, ground water and sediment samples taken separately from two sites that recycle E-wastes and other rubbish relevant to the E-waste recycling, and an agricultural area, were analyzed, and the data were used to evaluate the impact of E-waste recyclin...

  Background: Consumer behaviors at the household level have an impact on the quantity of food waste and the economic resources of the family and the country. This study aimed to assess food waste in a random sample of the Libyan community. Methods: A questionnaire was designed for the study and distributed randomly through social media, short message, e-mails, and via face to face interviews ...

This study investigated the contamination status of PCBs, PBDEs and HBCDs in human and possible exposure pathways in three Vietnamese e-waste recycling sites: Trang Minh (suburb of Hai Phong city), Dong Mai and Bui Dau (Hung Yen province), and one reference site (capital city Hanoi) by analysing human breast milk samples and examining the relationships between contaminant levels and lifestyle f...

In reverse supply chain of e-waste, collectors (collecting e-waste from all kinds of resources) and processors (disassembling and disposing e-waste) play key roles and have connections based on interests. We present a Stackelberg leader(collector)follower(processor) dynamic game model with profit maximization purpose. When the supply and demand are relatively clear, major risk for the processor...

Aim: To determine the knowledge of dental professionals in India regarding the management of hazardous dental waste and actual practices followed by them. Material and method: A descriptive cross sectional study was conducted as a survey of Indian dental professionals. A selfadministered questionnaire was designed to determine the knowledge and practices on hazardous dental waste and knowledge ...