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31.

강열감량과 오염물질의 연관성 분석에 의한 저수지 퇴적물의 평가

김석완 한국열환경공학회 열환경공학 9 Pages

한국열환경공학회 열환경공학 2015, 제 12권 1호 3 23-31 (9 pages)

김석완 저
...
- 무료
32.

하수슬러지의 연료 이용을 위한 최적탄화조건

박민숙, 정성배, 김철규 한국열환경공학회 열환경공학 12 Pages

한국열환경공학회 열환경공학 2015, 제 12권 1호 1 1-12 (12 pages)

박민숙, 정성배, 김철규 저
...
- 무료
33.

문화자본의 개념화와 문화자본 연구의 주요 쟁점에 관한 비판적 검토

김영화 한국교육사회학회 교육사회학연구 33 Pages

한국교육사회학회 교육사회학연구 2012, 제 22권 제 2호 2 31-63 (33 pages)

김영화 저
...
- 6,200원
이 연구는 교육사회학 연구 분야에서 문화자본과 관련하여 제기되고 있는 쟁점들에 대하 여 비판적으로 논의하고 문화자본 관련 연구들이 고려해야 할 과제들을 제안함으로써 향후 우리 사회에서 수행되는 문화자본 관련 연구들의 이론적, 사회적 적합성을 높이는데 기여하 려는 목적으로 수행되었다. 이를 위하여 먼저 문화자본 개념이 Bourdieu의 저술에서 어떻게 진화해 왔으며, Bourdieu의 문화자본론을 적용한 경험적 연구들이 문화자본의 개념을 어떻게 정의하고 조작화했는지를 검토하였다. 다음으로 교육사회학 분야를 중심으로...
34.

Nitrogen-doped carbon nanosheets from polyurethane foams and removal of Cr(VI)

Jiaqi Duan, Baohua Zhang, Huailin Fan, Wenzhong Shen, Shijie Qu 한국탄소학회 Carbon Letters 10 Pages

한국탄소학회 Carbon Letters 2017, Vol.22 7 60-69 (10 pages)

Jiaqi Duan, Baohua Zhang, Huailin Fan, Wenzhong Shen, Shijie Qu 저
...
- 3,000원
Nitrogen-doped carbon nanosheets with a developed porous structure were prepared from polyurethane foams by hydrothermal carbonization following ZnCl2 chemical activation. Scanning electron microscopy, thermogravimetric analysis, Fourier transform infrared spectroscopy, solid state 13C nuclear magnetic resonance (NMR) spectra and X-ray photoelectron spectroscopy were used to characterize the nitrogen-doped carbon nanosheet structure and composition. The removal of Cr(VI) by the N-doped carbon...
35.

Kinetic and multi-parameter isotherm studies of picric acid removal from aqueous solutions by carboxylated multi-walled carbon nanotubes in the presence and absence of ultrasound

Soheila Gholitabar, Hasan Tahermansouri 한국탄소학회 Carbon Letters 11 Pages

한국탄소학회 Carbon Letters 2017, Vol.22 2 14-24 (11 pages)

Soheila Gholitabar, Hasan Tahermansouri 저
...
- 4,000원
Carboxylated multi-wall carbon nanotubes (MWCNTs-COOH) have been used as efficient adsorbents for the removal of picric acid from aqueous solutions under stirring and ultrasound conditions. Batch experiments were conducted to study the influence of the different parameters such as pH, amount of adsorbents, contact time and concentration of picric acid on the adsorption process. The kinetic data were fitted with pseudo-first order, pseudo-secondorder, Elovich and intra-particle diffusion models....
36.

Three-dimensional porous graphene materials for environmental applications

Muruganantham Rethinasabapathy, Sung-Min Kang, Sung-Chan Jang, Yun Suk Huh 한국탄소학회 Carbon Letters 13 Pages

한국탄소학회 Carbon Letters 2017, Vol.22 1 1-13 (13 pages)

Muruganantham Rethinasabapathy, Sung-Min Kang, Sung-Chan Jang, Yun Suk Huh 저
...
- 4,200원
is caused by oil spills, heavy metals, dyes, and organic compounds released by industry, as well as via unpredictable accidents. In addition, water pollution is also caused by radionuclides released by nuclear disasters or leakage. This review presents an overview of the state-of-the-art synthesis methodologies of 3D porous graphene materials and highlights their synthesis for environmental applications. The various synthetic methods used to prepare these 3D materials are discussed, particularly...
37.

Removal of chromium from tannery wastewater by electrosorption on carbon prepared from peach stones: effect of applied potential

Mounir Ziati, Fariza Khemmari, Mohamed Kecir, Sabir Hazourli 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2017, Vol.21 10 81-85 (5 pages)

Mounir Ziati, Fariza Khemmari, Mohamed Kecir, Sabir Hazourli 저
...
- 1,500원
The objective of this study is the removal of chromium from tannery wastewater by electrosorption on carbon prepared from lignocellulosic natural residue "peach stones' thermally treated. The followed steps for obtaining coal in chronological order were: cleaning, drying, crushing and finally its carbonization at 900°C. The characterization of the carbon material resulted in properties comparable to those of many coals industrially manufactured. The study of the dynamic adsorption of chromium...
38.

Nanoporous carbon synthesized from grass for removal and recovery of hexavalent chromium

Shahin A. Pathan, Nancy S. Pandita 한국탄소학회 Carbon Letters 9 Pages

한국탄소학회 Carbon Letters 2016, Vol.20 2 10-18 (9 pages)

Shahin A. Pathan, Nancy S. Pandita 저
...
- 3,000원
Nanoporous carbon structures were synthesized by pyrolysis of grass as carbon precursor. The synthesized carbon has high surface area and pore volume. The carbon products were acid functionalized and characterized by Fourier transform infrared spectroscopy, X-ray diffraction, Brunauer?Emmett?Teller, transmission electron microscopy, and Energy Dispersive X-ray microanalysis. Acid functionalized nanoporous carbon was explored for use in removal of toxic Cr(VI) ions from aqueous media. An...
39.

Adsorption capability of activated carbon synthesized from coconut shell

Md Shariful Islam, Bee Chin Ang, Samira Gharehkhani, Amalina Binti, Muhammad Afifi 한국탄소학회 Carbon Letters 9 Pages

한국탄소학회 Carbon Letters 2016, Vol.20 1 1-9 (9 pages)

Md Shariful Islam, Bee Chin Ang, Samira Gharehkhani, Amalina Binti, Muhammad Afifi 저
...
- 3,000원
Activated carbon was synthesized from coconut shells. The Brunauer, Emmett and Teller surface area of the synthesized activated carbon was found to be 1640 m2/g with a pore volume of 1.032 cm3/g. The average pore diameter of the activated carbon was found to be 2.52 nm. By applying the size-strain plot method to the X-ray diffraction data, the crystallite size and the crystal strain was determined to be 42.46 nm and 0.000489897, respectively, which indicate a perfect crystallite structure. The...
40.

Carbon rich fly ash and their nanostructures

Numan Salah, Sami S. Habib, Zishan H. Khan, Ahmed Alshahrie, Adnan Memic, Attieh A. Al-ghamdi 한국탄소학회 Carbon Letters 9 Pages

한국탄소학회 Carbon Letters 2016, Vol.19 3 23-31 (9 pages)

Numan Salah, Sami S. Habib, Zishan H. Khan, Ahmed Alshahrie, Adnan Memic, Attieh A. Al-ghamdi 저
...
- 3,000원
Carbon rich fly ash was recently reported to have compositions that are ideal for use as a precursor and catalyst for carbon nanotube growth. This fly ash powder is mostly composed of pure carbon, predominantly present as sp2. In this work, the effect of sonication time on the morphology and structural properties of carbon rich fly ash particles is reported. The obtained results show that ultrasound treatment is an effective tool for producing ultrafine particles/fragments with higher porosity,...

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