지구와 환경 이번에 소개할 환경운동 실천 사례는 제로 웨이스트(zero waste)운동입니다. ... 제로 웨이스트는 모든 제품이 사용될 수 있도록 장려하며 폐기물을 방지하는데 초점을 맞춘 원칙이며 말 그대로 쓰레기(Waste)배출량이 0(zero)인 ‘쓰레기 없는 생활“을 추구하자는 ... idxno=8286 - 어린이뉴스 https://www.huffingtonpost.kr/entry/almang-market-zero-waste-shop_kr_5efec689c5b6acab284de7b8
원자력연구시설의 핫셀 내 바닥이나 장치표면에 부착된 고방사능분진의 제거를 위해서 PFC제염기술을 적용한다. 고가인 PFC 용액의 재사용을 위해서는 여과장치의 개발이 필요하고 제염종료 후 이차폐기물의 양을 최소화할 필요가 있다. PFC 제염폐액 내 방사성 입자를 제거하기..
The concept of deep borehole disposal (DBD) for high-level nuclear wastes has been around for about ... With DBD, nuclear waste will be emplaced in boreholes at depths of 3 to 5 km in crystalline basement ... The Nuclear Waste Technical Review Board (NWTRB) has raised concerns that the deep subsurface is more
program to verify the radioactive waste conform to the waste acceptance criteria(WAC) before disposal ... facility, recently revised, require that radioactive waste generators should set up waste certification ... For the compliance with this regulation, The radioactive waste generators should verify that the waste
decontamination process for recycle or self disposal with authorization of large amount of metallic wastes ... a NaSO solution, was selected as an electrolyte for the electrochemical decontamination of metallic wastes ... current density or In mA/. it was verified that the electrochemical decontamination of the metallic wastes
This paper introduces the policy and regulations on very low level waste (VLLW) management in China. ... (LILW), namely the isolation of the waste by means of a multibarrier system, but using bentonite and ... The design of the facility is consistent with the design of disposal facilities for hazardous waste.
High contents of sodium and boron within borate wastes give influence to waste loading. ... Vitrification for low- and intermediate-level radioactive wastes has a large volume reduction and good ... The glass compositions should be developed considering molten glass are related with wastes reduction
In Korea, the daily waste production in 2015(excluding specified waste) was 404,812 tons, of which household ... waste accounted for 12.7%(51,247 tons/day). ... Total household food and vegetable waste amounted to 1,120 tons/day; of this, 70% of was ultimately used
, a glass formulation development based on waste composition was performed. ... In order to vitrify the combustible dry active waste (DAW) generated from Korean Nuclear Power Plants
Acid dissolution was applied to extract uranium from the waste sludge, and uranium adsorption on the ... Chemical wastes are generated from nuclear facilities and R&D laboratories, but the uranium concentration ... of the dissolved solution was estimated to be 6.97E-01 Bq/ml, and the specific activity of the final waste
of conceptual design for the construction and operation of the geologic repository for radioactive wastes ... possible ventilation system design criteria and requirements for the prospective Korean radioactive waste ... the underground rock cavity disposal method in the both cases of low & medium-level and high-level wastes
goal is selected that occupies a large proportion of radionuclides in intermediate-level radioactive waste ... that will contribute to the construction of a Safety Case for the safety optimization of radioactive waste ... It is necessary to draw up a comprehensive safety development plan for the Gyeongju waste disposal facility
The characteristics of the aluminum waste melting and the distribution of the radioactive nuclides have ... The aluminum wastes were melted with the use of the fluxes such as flux , and flux in the DC graphite ... been investigated for the estimation on the volume reduction and the decontamination of the aluminum wastes
, Cs, Sr) in order to establish the fundamental research of the melting technology for the metallic wastes ... melting time and the increase rate of the slag depended on the kind of flux agents added in the aluminum waste
The mechanosynthesis route is a physical top–down strategy to produce different nanomaterials. Here, we report the formation of graphene nanoribbons ..
China has established complete regulatory requirements for radioactive waste disposal, but it also has ... encountered problems and challenges in low-level radioactive waste disposal in terms of management, ... Three low-level radioactive waste disposal facilities that have been operated in China are described,
Zero-waste pattern cutting is a groundbreaking sustainable fashion practice. ... Therefore, in an attempt to highlight the key characteristics of zero-waste pattern design, this study ... classifies and analyzes cases in which similar designs employ zero-waste pattern-cutting techniques.
The solidification methods for powder wastes dried at CWDS(Concentrate Waste Drying System) in PWR have ... It is necessary to pretreat the powder wastes before feeding wastes to vitrification facility because ... wastes treatment have been carried out, recently.
The volume of solidified cement in radioactive wastes was dependent on the waste-to-cement ratio and ... The workability of cement solidified from radioactive waste was about 170-190%. ... using an electrokinetic method to analyze the characteristics of cement solidification of radioactive wastes
wastes. ... Maximum loading of waste can be achieved without increasing of waste volume. ... in U.S. and certified by Nuclear Regulatory Commission (NRC) is successfully applied to concentrated wastes