Treatment of semi-aerobic landfill leachate using durian peel-based activated carbon adsorption- Optimization of preparation conditions
Treatment of semi-aerobic landfill leachate using durian peel-based activated carbon adsorption- Optimization of preparation conditions
... reserved. Treatment of semi-aerobic landfill leachate using durian peel-based activated carbon adsorption- Optimization of preparation conditions Mohamad Anuar Kamaruddin 1 , Mohd Suffian Yusoff 1 ... Nibong Tebal, Penang, Malaysia. Abstract The treatability of semi-aerobic landfill leachate parameters using durian peel-based activated carbon (DPAC) was investigated. An ideal experimental design ... 43% by using powdered activated carbon augmented activated sludge in landfill leachate. Halim et al. [7] studied a comparison study of ammonia and COD adsorption on zeolite, activated carbon...
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Báo cáo khoa học: Photoregulation of DNA transcription by using photoresponsive T7 promoters and clarification of its mechanism doc
... introduced into a T7promoter instead of Azo (Fig. 1). Clear-cut on–offphotoregulation of DNA transcription was obtainedbecause of the efficient suppression of T7 RNApolymerase (RNAP) binding ... stability of the cis form betweenAzo and DM-azo. (A) Illustration of the reversible photoisomeriza-tion of Azo and thermal isomerization of cis-Azo. (B) Quantitativecalculation of cis-form ... efficiency of transcription (a) wasFig. 1. Sequences of photoresponsive T7promoters and the structures of Azo and itsderivatives (M-azo and DM-azo) used in thisstudy.Photoregulation of DNA transcription...
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Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge
... development of a granular activated carbon biofilm reactor. Appl Microbiol Biotechnol 52, 722-729 De Walle F. B. and Chian E. S. K. (1977) Biological regeneration of powdered activated carbon added to activated ... adsorption capacity of PAC in the aeration tank. 1. Introduction In powdered activated carbon treatment (PACT) processes, powdered activated carbon (PAC) is added into aeration tank in activated sludge ... adsorption capacity of PAC in the aeration tank of PACT process. 2. Materials and methods 2.1. Operation of powdered activated carbon treatment (PACT) system The schematic diagram of the PACT system...
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Effects of the Use of Permeable Barrier for Landfill Leachate Treatment
... feasibility and the efficiency of the PRB technology in the remediation of landfill leachate. The results indicated that PRB is highly effective for the treatment of landfill leachate. The ammonium removal ... December 25, 2010. - 209 - Effects of the Use of Permeable Barrier for Landfill Leachate Treatment Jing-jing LIU*, Nan-shi ZENG**, Wen-xin XU* *Guilin Research Institute of Geology for Mineral Resources, ... rate of COD in reactors with zero valent iron and activated carbon was 84.87% at maximum, and the removal rate of total phosphorus in PRB reactors was 80% at maximum. Keywords: landfill leachate, ...
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BIOLOGICAL NITROGEN REMOVAL FOR LONG-TERM LANDFILL LEACHATE BY USING MLE PROCES
... and Treatment of Leachate from Domestic Wastes in Landfills," Wat. Pollut. Control, 465~478 2.Robinson, H. D., Maris, P. J., (1985) "The Treatment df Leachate from Domestic Waste in Landfill ... efficiency of about 99 % and showed no accumulation of NO 2 - -N in 20 days. And pH of nitrification tank was the range of 7.5~7.7 Raw leachate was influent after the aeration time of about 15 ... Carbon Source Methanol was used as external carbon source to provided organic carbon source which is not sufficient in leachate. Table 2 shows properties of the methanol. Table 1. Operating conditions...
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Estimation of emissions of nonmethane organic compounds from a closed landfill site using a landfill gas emission model
... Graph of frequency against range of values of age of landfill (t) Figure 4 represents range of values of the total annual mass emission rate of nonmethane organic compounds (NMOC) in the studied landfill ... mass of solid waste in the ith section of the landfill (mg), t i = the age of the ith section of the section of the landfill (years), t = the age of the landfill (years), R = the average annual ... Figure 1. Graph of the frequency against the range of values of CNMOC Figure 2. Graph of frequency against range of values of average annual acceptance rate ® International Journal of Energy and...
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Báo cáo y học: " Rationale for one stage exchange of infected hip replacement using uncemented implants and antibiotic impregnated bone graft"
... eradication of plank-tonic residues but are not effective in eliminating mi-cro-clusters disrupted from biofilms that may be the cause of recurrence after an indefinite period of time. Fragments of biofilms ... populations are often missed by conventional culture. The problem of diagnosis markedly increases taking into account the issue of bacterial phenotypes inside biofilms. Sonication of explanted devices ... loads of antibiotics using special incubation tech-niques. The storage capacities and pharmacological kinetics of the resulting antibiotic bone compound (ABC) are more advantageous than the ones of...
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Sensory characterization of dry-cured ham using free-choice profiling
... lx). First of all, consumers were briefed on the concept of the methodology and the procedure. The aim of this was to allow for development of the vocabulary to describe the four types of dry-cured ... carried out using XLSTAT software (Addinsoft, France). 2.4.2. Quantitative descriptive data analysis Data from the Quantitative Descriptive Analysis was analysed by means of the ANOVA test using the ... 55.58% of the Table 2 Demographic, socio-economic characteristics and frequency of dry-cured ham consumption of the participants (% of respondents, n = 109). Socio-demographic characteristic % of...
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BT 3 optimization of medium for indole 3 acetic acid production using pantoea agglomerans strain PVM
... chemicals usedwere of the highest purity available and of analytical grade.Screening, isolation and identification of micro-organismIsolation of the microbial strain capable of IAA produc-tion ... components of nutrient agar.Effect of incubation timeThe effect of incubation time on IAA production wasassayed by incubating bacterial cultures under optimum conditions up to 168 h. Production of ... concentrationcontained 0Æ5 ml of enzyme extract and 2Æ5mlof0Æ5 molborate buffer (pH 8Æ5) containing 0Æ1 lmol of pyridoxalphosphate, 40 lmol of l-tryptophan and 20 lmol of a-ketoglutarate. The reaction...
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Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon
... Journal of Water and Environment Technology, Vol. 6, No.1, 2008 - 43 - Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and iron- modified activated carbon ... produce 1.3, 7.9 and 14.88 liters of arsenic-free water, respectively, with As[III] initial concentration of 0.5mg/L with a flow rate of 7.75mL/min. Activated carbon (AC) is always considered ... Chemicals Ltd, Japan) Preparation of Adsorbents Preparation of LA In this study, laterite was collected from Ogasawa Island (Tokyo, Japan). It was sieved to a particle size of 0.45-0.71mm. Then,...
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