Arsenic removal technologies for drinking water in vietnam

... towards developing suitable methods for lowering arsenic levels in drinking water. Natural occurring contamination by arsenic has been also observed in the Red River delta of northern Vietnam. ... Limonite. Introduction Arsenic contamination in drinking water and groundwater has increasingly been recognized in recent years and now has become a worldwide probl...

Ngày tải lên: 15/03/2014, 23:49

... using ozone alone. Chlorine - Chlorine is commonly used for disinfection of drinking water and also has been evaluated for oxidation of organic chemicals. Of the available oxidants, chlorine ... that much of the information on the removal of the UOCs from drinking water was obtained from previous research work performed by either Dr. Shane Snyder of the Southern Nevada Wa...

Ngày tải lên: 28/03/2014, 19:20

... international players in entering into fast food market in Vietnam. KFC is believed to have higher growth rates and turnover. In 2011, KFC Vietnam remained the leading player in fast food in ... year. For the meantime, it has reported the 30% increase in the turnover in 2012 over 2011. The business performance of the Lotteria chain in Ho Chi Minh City is better than...

Ngày tải lên: 03/03/2014, 22:42

... CONTEXT IN VIETNAM This section provides a brief overview of Vietnam s forest resources and the legal framework for PES in the country. 3.1 Forest Resources In Vietnam, forests are classified into ... and running. In Guatemala, the Forestry Incentives Program (PINFOR) makes direct payments to forest stewards who manage forests for conservation goals (World Bank 2000). The...

Ngày tải lên: 05/03/2014, 11:22

... highest value in increasing level, followed by Quy Nhon and Can Tho. This is quite compatible with the temperature happening in the past (increasing level declined southwards). In addition, ... baseline period (1980 - 1999) under the emission scenarios from medium to high. Annual rainfall and rainfall in rainy season can increase whereas rainfall in dry season can decrease...

Ngày tải lên: 05/03/2014, 16:20

... gasifier (Former Ahlstrom Pyroflow CFB gasifiers) was supplied in 1983 to replace fuel oil in the lime kiln at Wisaforest mill in Finland, utilizing part of the generated gas for biomass drying [41]. ... hydro-treatment, which will increase productions costs. Although the HTL process is still under development, it has attracted increasing interest in processing biomass streams c...

Ngày tải lên: 09/03/2014, 00:20

... of atrazine as well as the presence of atrazine in drinking water. Under the Safe Drinking Water Act (SDWA), the EPA has determined that no more than 3 parts per billion (ppb) of atrazine (as ... Widespread Atrazine Contamination and Inadequate Regulation and Monitoring NRDC analyzed in combination for the first time—the results of surface water and drinking water monito...

Ngày tải lên: 15/03/2014, 10:20

Ngày tải lên: 28/03/2014, 15:20

... been suffering all water related problems including extra water, shortage of drinking water, saline water, acid water, water pollution by upstream as well as on-stream users. The most water related ... river, especially in Southern Vietnam, lowest part of the Mekong River Basin. While most of Vietnamese farmers in MD use water from the rivers and canals for their daily...

Ngày tải lên: 09/12/2013, 22:15