Professor invents water filtration technology

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VietNamNet Bridge - Associate professor Tran Hong Con from the Hanoi University of Natural Sciences is the creator of the Hanoi dirty-water map, a unique water filtration technology and the inventor of many other water-related research works. In 1996, Con was hired by his school to test water samples from a suburb in Hanoi. More than 10 out of 30 water samples were found having arsenic concentration much higher than the permitted level. He then decided to learn more about the underground water situation in Hanoi. Later, Con created a water map of Hanoi, showing the areas contaminated with arsenic. These included eight water plants in the inner city and self-dug water wells in the suburbs. Up to 30 percent of surveyed wells were found having arsenic concentration at over 0.05 mg/l, while 50 percent were over the permitted level of 0.01 mg/l. Con realized that people only filtered underground water manually to eliminate iron, while the measures they applied could not eliminate … [Read more...]

Social News Headlines 15/5

Chinese workers in Vietnam invited to protest illegal oil drill Around 400 workers from the northern province of Thai Binh made a motorbike trip to Haiphong City, in a bid to urge Chinese workers to oppose the illegal oil rig in Vietnamese waters. As the workers' protest progressed on May 14 many others from Chinese-invested factories in Vinh Bao, Tien Lang, Kien Anh and Duong Kinh districts in Haiphong City joined in. The Vietnamese workers hoped to convince Chinese who work and live in Vietnam to ask that their government discontinue the illegal drilling in the East Sea. … [Read more...]

Toxins found in Hanoi tap water

People in outside provinces and cities have long envied Hanoians for the clean running water the capital city enjoys. The facts, however, suggest their feelings are misplaced.

VietNamNet Bridge - The cost of running water in Hanoi has been increasing sharply, while the quality of that water remains stubbornly low -toxin concentrations are far higher than permitted levels, while pipeline breaks are a regular occurrence. A series of water treatment plants have been built in recent years to satisfy the rapidly growing demand in the city. However, the plants, with 100 year-old filtration technology, do not help improve the water quality. Hanoians live in fear that they may one day suffer deadly diseases because of the unsafe water. … [Read more...]

Ha Noi tap water poses health risks

HA NOI (VNS) — Tap water samples collected from different plants in the capital city fail to meet the Health Ministry's hygiene standards and pose a public health hazard, according to the Ha Noi Preventive Medicine Centre. The centre says tests on samples taken from different water plants in Ha Noi since January this year show excessive levels of minerals and chemicals that can have serious consequences for residents. A sample from the Phap Van Water Plant showed the Permanganate index, which can cause dermatitis, exceeding the regulated level by 1.6 times, while that collected from the Ha Dong Water Plant exceeded the allowed level by 0.4-0.8 times. … [Read more...]

Water utility denies presence of arsenic

Staff check water quality at the Ha Noi Water Company. The company denies claims that water supplied by several water companies in the city contained arsenic, a toxic chemical linked to skin cancer.— VNA/VNS Photo Bui Tuong

HA NOI (VNS)— A representative of Ha Noi Water Company has denied claims that water supplied by several water companies in the city has been contaminated with arsenic, a toxic chemical linked to skin cancer. Nguyen Nhu Hai, General Director of the Ha Noi Water Company, said there was no evidence to substantiate the allegations. "We examine the quality of water regularly and figures on the chemicals in the water are checked every day in all of these facilities. The level of arsenic is tested every six months," said Hai. "Thus, it can be affirmed that water supplied by branches managed by Ha Noi Water Company meets the Ministry of Health's requirements. People do not have to be worried about using the water," he added. Hai also said that water filters used improperly could filter out helpful minerals and affect the mineral compilation of the water. He made the statement after a study carried out last year by a group of Vietnamese scientists with researchers from Columbia … [Read more...]

Farmers told to use new technologies to treat polluted water in flood areas

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VietNamNet Bridge - A lot of advanced technologies have been invented to help sterilize polluted water. However, Vietnamese farmers in the flood stricken areas still cannot approach the technologies. According to Dr. Tran Hong Con from the Hanoi University for Natural Sciences, a member of the Hanoi National University, in floods, sanitation works, sewers, fields and livestock farms get submerged in water, while the waste from different sources drifts with the current, which makes the water seriously polluted. Therefore, treating the polluted water to get clean water for daily use is the urgent task people have to do after the floods. In order to have clean water for daily use in case the floods strike down, people have been sterilizing polluted water with alum and Chloramine B, the method they have been applying over the last many years. At first, people pour alum into water to clean it (the sediments will settle down). After that the cleaned water will be filtered through … [Read more...]

25 illegal sand mining vessels, trucks seized in central Vietnam

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Armed police in central Vietnam seized twenty-five illegal sand mining boats and dump trucks on Thursday in a raid along a river where illicit sand quarrying is rampant. A police car arrived at the river section spanning Tan Ky District's Tan An Commune when boats and machines were being used to extract sand from the water. Officers rushed towards the bank with gun stocks rattling and shouted to order five boats which were mining sand in the middle of the river to stop their prohibited exploitation. The navigators immediately steered their vessels away in all directions in an attemtp to flee from the officers. A police boat then appeared and gave a chase with help from groups of police officers along the river banks. Two ships were intercepted and another three under the police's control when they were traveling upstream in nearby Tan Huong Commune after an hour of chasing. Three of the five navigators had manged to escape, though. Another group of police came in two cars … [Read more...]

Dirty toys attack schools

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VietNamNet Bridge - Despite the bans released by the Hanoi Education and Training Department, toxic and anti-education toys still have been brought to general schools. The city's education department has released a strange document, saying that Hanoi's students must not buy "stink bomb." However, the dangerous toys still have been sold at all the toy shops in Hanoi, while students all have got familiar to the toy sourced from China. The owner of Mai Ngan Toy Shop on Nguyen Khuyen Street affirmed that she has all the toy products now favored by children and students. However, when asked about Vietnamese toys, she said that 99 percent of the products here are from China. The saleswoman showed customers a product called "stink bomb," saying that this is the most favorite toy now in Hanoi, especially popular to boys. "It's dirty cheap, just VND2,000 for a pack. This is a kind of "secret weapon" which helps the boys increase their strength in front of the rivals," she advertised … [Read more...]

Making the To Lich River’s polluted water drinkable, why not?

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The Hanoitimes - A group of scientists from the Hanoi University of Natural Resources has invented a technology allowing filtering polluted water to get drinkable water. However, people still keep doubts about the startling information. On December 24 afternoon, o­n the riverside of the To Lich River in Hanoi, the river which has been well known to everybody with its high pollution level, Dr. Tran Hong Con from the university and his associates showed to the public how they could filter the polluted water to get drinkable water with NanoSky mineral filter. The technology product is for the first time 100% made in Vietnam. In the witness of scientists and local reporters, Dr Con took five liters from the To Lich River - called as the "dead river" by Hanoians, and poured it into NanoSky. The water looked black and gave a bad odor. Especially, according to Con, the water contained many kinds of toxic heavy metals with the concentrations at ten times higher than the allowed … [Read more...]

Positive test results of Chinese-made bras

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Test results of Chinese-made bras revealed Polystyrene, an aromatic polymer material and mineral seal oil in the suspiciously embedded pills and liquid inside the bra cups which market management authorities had seized recently after customers complained of itchiness after wearing them. Large quantities of Chinese-made bras are available in the local market and recently some customers had found strange pills and liquid packets embedded in the bra cups that seemingly caused itchiness. Market management departments took many of these bras from markets across the country for testing. … [Read more...]

Vietnam halts physicist’s treatment for HFMD

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Vietnam health ministry has asked a hospital in Ninh Thuan Province to stop using a treatment for hand-foot-mouth disease (HFMD) initiated by a physicist until scientific assessments can be made, VnExpress reported Tuesday. Nguyen Van Khai, who has used a chemical substance to treat hand-foot-mouth disease in the central province of Ninh Thuan. … [Read more...]

Warnings of danger given to people using well water

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The water monitoring results show that the underground water resources have been decreasing in many places. Meanwhile, the underground water has also got infected with ammonium and arsenic, which is a big threat to local residents who cannot access the national water supply system. According to Dr Nguyen Thi Ha from the Center of Water Resource Monitoring and Forecasting under the Ministry of Natural Resources and the Environment (MONRE), in the Northern Delta, the water levels at some monitored places, including Mai Dich, Cau Giay in Hanoi, have decreased nearly to the allowed limits. In some other areas of Hai Hau, Truc Ninh, Nam Dinh, Quynh Phu and Thai Binh, the decreased water levels are still within the safety line. However, scientists have warned that the aquifer has complicated hydrogeological conditions; therefore, it is necessary to apply necessary measures to prevent the saltwater intrusion caused by the water exploitation. The monitoring results showed that in the … [Read more...]

New regulation believed to lead to the “professor inflation”

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VietNamNet Bridge – The new regulation that university presidents have the right to appoint professors and associate professors has raised the worry that Vietnam would have too many professors, or the so called "professor inflation." Under current laws, the Minister of Education and Training is in the position to grant the titles of "professor" or "associate professor" after considering the list of candidates submitted by relevant agencies. Meanwhile, school presidents can only do one thing – suggesting the candidates for "professor" and "associate professor" for approval. … [Read more...]

Territorial rains and floods: Natural or human disaster?

Floods in Thanh Hoa province.

VietNamNet Bridge - According to some experts, the heavy consequences suffered by Quang Ninh province after the recent torrential rains and floods were caused by natural disasters but also by man. Related news Image: Parts of Thanh Hoa evacuated to avoid floodsImages: Island commune in Hai Phong turns into a big lakePhotos: Quang Ninh breaks spillway to release floodsRain, floods leave thousands without powerLandslide paralyses Dien Bien-Lai Chau highway for a weekFloods cause severe damage, 27 deaths"Island Lord" offers 1,000 free hotel rooms for flood victimsThree go missing in flood-triggered landslide in Cao BangAnother seven dead, injured by floods in northern regionImages of the devastation caused by torrential rains in Quang NinhThe costs of flood damage in Quang Ninh estimated at $46mil.280 stranded tourists in Co To brought back mainlandImage: Quang Ninh people seach for coal in flooded streamImage: Naval ship rescues stranded tourists on Co To islandFlood, torrential rain … [Read more...]

Tap water in Hanoi filtered with 100-year-old technology

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VietNamNet Bridge - Most of the water supply plants in Hanoi which exploit underground water use outdated filtration technology which cannot eliminate toxic substances. Dr. Cao The Ha from the Hanoi University of Natural Sciences said the treated water samples had not been found containing concentrations of arsenic, manganese and chloride higher than Vietnam and WHO (World Health Organization) standards. Ha said very few of the operating water plants in Hanoi use technologies that permit the standard arsenic residue at below 0.01 mg per liter. Many plants provide water with a high arsenic concentration, including Phap Van, Luong Yen, Thanh Tri, Van Phuc and plants in the former Ha Tay province. To eliminate solids, such as manganese, calcium, magnesium and barium, the plant uses old techniques, including spraying systems and chlorination. The methods, according to Ha, aim to eliminate iron which helps get rid of arsenic. However, they can work only in areas with a mild … [Read more...]

VN grabs three gold medals at Asia-Pacific Informatics Olympiad

The Vietnamese team at APIO.

Vietnam bagged three gold medals at the Asia- Pacific Informatics Olympiad (APIO) on May 19. The gold medals were won by Nguyen Tien Trung Kien, Nguyen Viet Dung and Phan Duc Nhat Minh from Hanoi University of Natural Sciences’ High School for Gifted Students and Vietnam National University. The Vietnamese team were also awarded two silver and one bronze medals. Vietnam, along with the Republic of Korea, ranked third at the APIO, following China and Iran, the best result the Vietnamese team has achieved since it first attended the event in 2013. This year’s competition drew the participation of students from 27 countries and territories. The contest was held online, with students competing within their own countries or areas. 15 Vietnamese students joined the online competition at the University of Engineering and Technology under the Vietnam National University in Hanoi. VNA … [Read more...]

Vietnam grabs glory at Olympiad 2015

Vietnam bagged three gold medals at the Asia- Pacific Informatics Olympiad (APIO) on May 19. The gold medals were won by Nguyen Tien Trung Kien, Nguyen Viet Dung and Phan Duc Nhat Minh from Hanoi University of Natural Sciences’ High School for Gifted Students and Vietnam National University. The Vietnamese team were also awarded two silver and one bronze medals. Vietnam, along with the Republic of Korea, ranked third at the APIO, following China and Iran, the best result the Vietnamese team has achieved since it first attended the event in 2013. This year’s competition drew the participation of students from 27 countries and territories. The contest was held online, with students competing within their own countries or areas. 15 Vietnamese students joined the online competition at the University of Engineering and Technology under the Vietnam National University in Hanoi.-VNA … [Read more...]

Vietnam and Denmark ink geological research agreement

Leaders of Petrol Vietnam Institute and Geological Survey of Denmark and Greenland inked the MoU for research collaboration to provide reliable and "demand-driven" research services to the public and oil and gas industry.

VietNamNet Bridge – Vietnam Petroleum Institute (VPI) and Geological Survey of Denmark and Greenland (GEUS) signed a research collaboration agreement that aims to address future oil and gas challenges in Viet Nam. The memorandum of understanding (MoU) that specifically aims to provide reliable and demand-driven research services to the Vietnamese public and oil and gas industry was signed at the concluding conference of the Enhancement of Research Capacity (ENRECA) project, which opened here on November 21. … [Read more...]