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Synthesis of nano Ag catalyst embedded vanadium phosphorus oxide for oxidation of styrene to benzaldehyde by hydrogen peroxide
Abstract. In this work, silver nanocatalyst loaded on vanadium phosphorus oxide (Ag/VPO) for oxidation of styrene to benzaldehyde was synthesized by method including impregnating of VPO substrate with colloid solution of Ag nanoparticles (NPs). VPO substrate was prepared by microwave-assisted reaction of vanadium and phosphorus precursors. Meanw...
9 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 421 | Lượt tải: 0
Synthesis and investigation of a novel nanocomposite for improving solar radiation absorbance of MD membranes
Abstract. Membrane distillation (MD) has emerged as a promising technology for seawater desalination to provide drinking water. The most notable advantage of MD is the ability to couple with solar energy to reduce its water production cost. However, limited thermal efficiency is one of the key challenges to the commercialization of solar-driven ...
10 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 446 | Lượt tải: 0
Sustainable development for water resources of litopenaeus vannamei prawn farming in Bac Lieu province
ABSTRACT Sustainable development for water resources of Litopenaeus vannamei prawn farming in Bac Lieu Province is a reciprocal relationship between 6 elements: Water - Shrimp Seed - Technology Engineering and Planning Management - Capital - Consumption Market. These factors are closely related to each other, ensuring a reasonable and stable d...
11 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 602 | Lượt tải: 0
Sustainability assessment of community-Based water resource management of irrigation systems for agriculture
Abstract: To study community-based water resource management (CbWRM) of irrigation for agriculture, the participation of the community in the management of the irrigation system must be considered. CbWRM is the cooperation between a farming organization (the water-using cooperative group) and staterelated organizations (such as the Department...
7 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 485 | Lượt tải: 0
Survey on the concentration of Radon (222Rn) and Radium (226Ra) in domestic water in Bac Tu Liem district, Ha Noi city
Abstract. Radon (222Rn) and Radium (226Ra) are natural radiation isotopes that greatly affect human health. Based on the present study, we surveyed the 222Rn and 226Ra concentration in domestic water, including: 12 samples of supply water, 18 samples of treated well water and 30 samples of well water in households in the area of Bac Tu Liem Dist...
10 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 445 | Lượt tải: 0
Sử dụng ảnh Landsat 8 Oli để dự đoán tổng chất rắn lơ lửng (TSS) ở hồ Trị An, tỉnh Đồng Nai
TÓM TẮT Trong những năm gần đây, kỹ thuật viễn thám đã trở thành một công cụ hữu ích và ngày càng được sử dụng rộng rãi để đánh giá và giám sát chất lượng môi trường. Tổng chất rắn lơ lửng (TSS) là thông số chất lượng nước thường được sử dụng để đánh giá mức độ vận chuyển và lắng đọng trầm tích trong các hồ chứa. Nghiên cứu này trình bày kết qu...
9 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 572 | Lượt tải: 0
Studying the extent of scarcity of surface water in Lam Dong according to the socio–economic development plan up to 2030
Abstract: Studying and assessment the scarcity of surface water resources in Lam Dong province based on the Socio–Economic Development Plan to calculate and forecast the water demand towards 2030 for economic sectors in the region, and based on this basis to calculate the extent of water scarcity occurring in this area by space and time using th...
9 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 444 | Lượt tải: 0
Study on sludge treatment by the aerobic stabilization process combined with bulking agent and heated air supply
Abstract. This paper presents the results of evaluation of sludge stabilization ability from a municipal wastewater treatment plant by the organic wastes treatment device of Mikuniya Corporation, Japan with a capacity of 50 kg/day. An average sludge amount of 30 kg/day was added into the reactor, with the moisture of 80.2 - 83.6 %, the C/N ratio...
11 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 589 | Lượt tải: 0
Study on different factors affecting cod removal capacity of Halanaerobium lacruisei in saline wastewater
Abstract. This study evaluated a number of factors (including salinity, pH and temperature) affecting the growth of Halanaerobium lacruisei bacteria in order to reduce organic compounds (COD concentration) in saline wastewater of a fish sauce processing plant. The results of the study showed that halophillic bacteria had good capacity of reducin...
10 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 433 | Lượt tải: 0
Study on advanced treatment of wastewater by ultra filtration for reusing purpose-on-site pilots
Abstract. Reclaimed water has been greatly applied worldwide recently to augment water supply for non-potable domestic purpose. The present study put an effect on assessing the application of ultra-filtration (UF) on advanced treatment following conventional domestic wastewater treatment and coal mining wastewater for reusing purpose. On-site ad...
10 trang | Chia sẻ: thanhle95 | Ngày: 13/07/2021 | Lượt xem: 477 | Lượt tải: 0

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