scholarly journals Study on Application of Membrane Technology in Treatment of Effluent from Dyeing Industries in Erode, TamilNadu

2018 ◽  
Vol 7 (3.12) ◽  
pp. 304
Author(s):  
K Prasanna ◽  
K S.Anandh ◽  
S Vimal Kumar ◽  
A Edwin
Keyword(s):  
New Technology ◽  
Operation Time ◽  
Total Dissolved Solids ◽  
Textile Dyeing ◽  
Activated Carbon Filter ◽  
Ultra Filtration ◽  
Three Stages ◽  
Nano Filtration ◽  
Effluent Characteristics ◽  
Carbon Filter

The textile dyeing industry is one of the hazardous polluting industries which uses water as the major source for their production and substantially the generation of wastewater leads to be a huge burden in treatment. The existing treatment methods adopted in most of the dyeing industries are said to be very old and its efficiency of removal is very less and at the same time it does not meet the standards for trade effluent discharge as prescribed by the regulatory boards. The study carried out on the application of Activated Carbon Filter (ACF) outlet in three stages of Reverse Osmosis results in reduction of 52% and the Total Dissolved Solids (TDS) is reduced to 226 ppm under the operation time of 10 hours. Significance reduction in pH, BOD, COD, TSS and Sulphates. The results say that the new technology of applying Nano-filtration and ultra-filtration will increase the efficiency of treatment. The effluent characteristics with the help this technology satisfy the standards.  

scholarly journals The Treatment of Wastewater Produced from Al-Doura Refinery to Increase Production and Minimize Pollutant Materials

2021 ◽  
pp. 3984-3996
Author(s):  
Faaeza Ahmed Abdulkareem ◽  
Tariq Abed Hussain ◽  
Ahmed A. Najaf Najaf
Keyword(s):  
Activated Carbon ◽  
Reverse Osmosis ◽  
Treatment Plant ◽  
Granular Activated Carbon ◽  
Oil And Grease ◽  
Efficient Treatment ◽  
Activated Carbon Filter ◽  
Ultra Filtration ◽  
Removal Efficiencies ◽  
Carbon Filter

The undertaken study includes investigating the performance and effluent characteristics of the treatment plant of Al-Doura refinery. Influent concentrations for some important contaminants, which are TDS, oil and grease, TSS, COD, BOD, and turbidity were 2595 mg/L, 13934 mg/L, 466.45 mg/L, 2538.9 mg/L, 1739.2 mg/L, and 89.18 NTU, respectively, while the effluent concentrations were 1337.8 mg/L, 0.53mg/L, 21.7mg/L, 25.45 mg/L, 17.81 mg/L, and 7.08 NTU, respectively, giving removal efficiencies of 44.47%, 99.99%, 94.4%, 98.96%, 98.96% and 92.05%, respectively. All these results indicate that Al-Doura wastewater treatment plant was efficient in removing contaminants according to Iraqi and EPA specifications. Hence, the second part of this study concentrated on finding a simple and efficient treatment method to treat the effluent so that it can be reused in the boiler system. A pilot plant was designed and dedicated for this purpose, including three units of granular activated carbon filter, ultra filtration filter, and reverse osmosis filter. Average removal efficiencies of oil and grease, turbidity, COD, and BOD were 85.25%, 100%, 34.92%, and 31.11%, respectively at the granular activated carbon filter, with very low efficiencies for the removal of TDs and conductivity. Ultra filtration showed average removal efficiencies for COD and BOD of 30.81% and 32.31%, respectively. While the average removal efficiencies for TDs and conductivity was very low. The reverse osmosis filter removed TDs and conductivity very efficiently, giving average removal efficiencies of 97.63% and 95.43%, respectively. In addition, it provided good removal percentages for COD and BOD, with values of 61.73% and 64.1%, respectively. A recycling procedure was created and the results were eventually comparable to those conferred by some of the traditional approaches.

scholarly journals Validation of chemotherapy drug vapor containment of an air cleaning closed-system drug transfer device

2021 ◽  
pp. 107815522110306
Author(s):  
Galit Levin ◽  
Paul JM Sessink
Keyword(s):  
Activated Carbon ◽  
Closed System ◽  
Membrane Filter ◽  
Drug Transfer ◽  
Glass Vessel ◽  
Air Cleaning ◽  
No Release ◽  
Activated Carbon Filter ◽  
Carbon Filter ◽  
Transfer Device

Purpose The purpose of this study was to test the efficacy of ChemfortTM, an air filtration closed-system drug transfer device to prevent release of chemotherapy drug vapors and aerosols under extreme conditions. The air cleaning system is based on the adsorption of drug vapors by an activated carbon filter in the Vial Adaptor before the air is released out of the drug vial. The functionality of the carbon filter was also tested at the end of device’s shelf life, and after a contact period with drug vapors for 7 days. Cyclophosphamide and 5-fluorouracil were the chemotherapy drugs tested. Methods The Vial Adaptor was attached to a drug vial and both were placed in a glass vessel. A needle was punctured through the vessel stopper and the Vial Adaptor septum to allow nitrogen gas to flow into the vial and to exit the vial via the air filter into the glass vessel which was connected to a cold trap. Potential contaminated surfaces in the trap system were wiped or rinsed to collect the escaped drug. Samples were analyzed using liquid chromatography tandem mass spectrometry. Results Cyclophosphamide and 5-fluorouracil were detected on most surfaces inside the trap system for all Vial Adaptors without an activated carbon filter. Contamination did not differ between the Vial Adaptors with and without membrane filter indicating no effect of the membrane filter. The results show no release of either drug for the Vial Adaptors with an activated carbon filter even after 3 years of simulated aging and 7 days of exposure to drug vapors. Conclusions Validation of air cleaning CSTDs is important to secure vapor and aerosol containment of chemotherapy and other hazardous drugs. The presented test method has proven to be appropriate for the validation of ChemfortTM Vial Adaptors. No release of cyclophosphamide and 5- fluorouracil was found even for Vial Adaptors after 3 years of simulated aging and 7 days of exposure to drug vapors.

Enhancement of nuclease P1 production by Penicillium citrinum YL104 immobilized on activated carbon filter sponge

2014 ◽  
Vol 99 (3) ◽  
pp. 1145-1153 ◽  
Author(s):  
Nan Zhao ◽  
Hengfei Ren ◽  
Zhenjian Li ◽  
Ting Zhao ◽  
Xinchi Shi ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Penicillium Citrinum ◽  
Nuclease P1 ◽  
Activated Carbon Filter ◽  
Carbon Filter

Radioanalytical methods for sequential analysis of actinide isotopes in activated carbon filter-bed waste

2020 ◽  
Vol 326 (3) ◽  
pp. 1559-1568
Author(s):  
Bianca Geraldo ◽  
Leandro Goulart de Araujo ◽  
Roberto Vicente ◽  
Maria Helena Tirollo Taddei ◽  
Sandra Maria Cheberle ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Sequential Analysis ◽  
Activated Carbon Filter ◽  
Filter Bed ◽  
Radioanalytical Methods ◽  
Carbon Filter

BIOBOARD

2011 ◽  
Vol 15 (10) ◽  
pp. 5-18
Keyword(s):  
Lower Cost ◽  
New Technology ◽  
Brain Disorders ◽  
Avant Garde ◽  
Research Award ◽  
Spinal Disc ◽  
Three Stages ◽  
Gene Switch ◽  
Hiv Aids

AUSTRALIA – Genetic Link Found for Brain Disorders. AUSTRALIA – Burns Treatment to Replace Skin Grafts. AUSTRALIA – Australian Scientists Discover How Liver Kills "Killer Cells". AUSTRALIA – High Fat Food Triggers Gene 'Switch' Leading to Type 2 Diabetes. CHINA – First Biologist from China Wins Lasker-DeBakey Clinical Medical Research Award. INDIA – H5 Bird Flu Outbreak in West Bengal. JAPAN – New Zealand, Japanese Scientists Collaborate on Functional Foods Research. SINGAPORE – Antibodies Can Bind Cancer Proteins on the Inside. SINGAPORE – A Guinness World Record for Singapore with A*STAR IMRE's world's smallest Working Gears. SINGAPORE – IBN Harnesses Ultrasmall Peptides to Repair Spinal Disc Damage. TAIWAN – Meningitis C Vaccination Breakthrough. TAIWAN – Taiwan Targets Developing High-end Medical Equipment in Three Stages. TAIWAN – Scientists Announce Technology to Grow Meat Faster at Lower Cost. TAIWAN – Taiwanese-American HIV/AIDS Academic Joins Team. OTHER REGIONS — Gene Behind Chronic Blood Cancer Identified. OTHER REGIONS — New Technology Could Make You Light-Hearted. OTHER REGIONS — HIV/AIDS Researcher David Ho Wins NIDA's 2011 Avant-Garde Award. OTHER REGIONS — Steven Chu - 2011 R&D Magazine's 49th Scientist of the Year. OTHER REGIONS — Shu Chien Awarded 2011 National Medal of Science.

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