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In view of the problem that the high concentration of nitrogen and phosphate remained in secondary effluent, adsorption processes were attempted to remove nitrogen and phosphate. In this paper, nature zeolite was modified and compounded as a matrix material. After treating in these methods, the properties of zeolite had been greatly improved and the goal of nitrogen and phosphate synchronous removal...
This research took granular activated carbon and resin as adsorbent separately, adopting pressure swing adsorption to purify gas containing low concentration toluene. Results from this trial show: NDA-150 resin has the optimum effect of adsorption for air containing toluene. The optimum adsorption rates of resin and activated carbon are 92.3% and 83.5% separately, and the optimum adsorption flux of...
The article intends to introduce the authors' experimental study on adsorption behaviour of chitosan solution on silica by reflectometry. Effect of pH on adsorption has been studied. The adsorbed amount ?? was 0.80, 0.35 mg??m-2 at pH6.8 and 6.0, respectively. Zeta potential measurements and dynamic light scattering have been measured in the experiment.The mechanism of the adsorption process are likely...
Electrospun nylon-6 nanofibrous membrane with fiber diameters in the range of 50-200 nm were prepared and employed as affinity membrane material for papain adsorption due to their excellent chemical and thermal resistance as well as high wettability. In this work, covalent coupling of chitosan (CS) to activated nylon membrane was performed after the reaction of the nanofibrous nylon membrane with...
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