Using biosorption to enrich the biomass of Chlorella vulgaris with microelements to be used as mineral feed supplement

Chojnacka, Katarzyna

doi:10.1007/s11274-006-9344-9

Cited by 20 publications

(12 citation statements)

References 23 publications

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“…In the literature it is suggested, that biological materials, such as aquatic plants (Lemna minor) [14] or algae [15][16][17] can be used as mineral feed additives for animals. This kind of feed additives would be characterized with high bioavailability, low toxicity, low cost and high nutritional value [14] .…”

Section: Introductionmentioning

confidence: 99%

Biosorption of Cr(III) by Microalgae and Macroalgae: Equilibrium of the Process

Michalak¹,

Zielińska²,

Chojnacka³

et al. 2007

American J. of Agricultural and Biological Sciences

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Equilibrium experiments of chromium(III) biosorption by m icroalga (Spirulina sp.) and macroalga (Pithophora varia) were investigated in this paper. Influence of the following process parameters was studied: pH, biomass concentration and temperature. The equilibrium of the process was described with Langmuir equation. The model parameters were determined at various process conditions. The best operation conditions for the process were selected: pH 5, T 20 o C, C s 1g.l -1 for Pithophora varia and the same for Spirulina sp. Under these conditions, the maximum biosorption capacity 60.6 mg.g -1 and 34.6 mg.g -1 , and affinity constant 0.182 l.mg -1 and 0.0553 l.mg -1 were reached for Pithophora varia and Spirulina sp., respectively. It was found that Pithophora varia was more efficient in biosorption of Cr(III) ions than Spirulina sp. Biosorptive properties of microalgal and macroalgal biomass can be employed either in the production of biological feed supplements for livestock or in wastewater treatment processes.

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Section: Introductionmentioning

confidence: 99%

Biosorption of Cr(III) by Microalgae and Macroalgae: Equilibrium of the Process

Michalak¹,

Zielińska²,

Chojnacka³

et al. 2007

American J. of Agricultural and Biological Sciences

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“…The most used processes in biologic treatment are activated sludge processes, air-conditioned lagoons, trickling ilters, revolving biodiscs, and stabilization pools. Basic operations of this treatment are nitriication, denitriication, dephosphorization, waste stabilization and eliminating organics which are measured especially as BOD 5 and COD in wastewater [39,40,38].…”

Section: Wastewater Treatmentmentioning

confidence: 99%

Spreading of Antibiotic Resistance with Wastewater

Dincer¹,

Yigittekin²

2017

Biological Wastewater Treatment and Resource Recovery

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The recent statistics show that the world's population is rapidly increasing. This increase negatively afects the water resources and it increases the water demand progressively.Along with the increase in the world's population, the insensible use of water resources, pollution, and drought lead to the increasing reduction of water resources. Due to these factors, all countries, primarily developed countries, have started looking for new water resources. This search has been extended to extraterrestrial water. However, the existing technology and opportunities direct countries toward the puriication of wastewater rather than searching for new water resources. For the reasons outlined above, puriication and recycling of wastewater become important. In addition to the natural resistance of microorganisms against antibiotics, a resistance also arises because of the unconscious and overuse of antibiotics. This resistance spreads through wastewater progressively. Antibiotic resistance shows an increase according to the scientiic data. In order to prevent the resistance, it is of capital importance to treat the wastewater in which the domestic pollution burden is high. In this study, the role of domestic wastewater in the occurrence and spread of antibiotic resistance will be revealed.

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“…For the biosorption experiments in multi-metal system two solutions were chosen: from the metallurgical industry (Łebkowska and Karwowska, 2003) and from the production process of mineral feed additives based on microalgal biomass (Chojnacka, 2007). The composition of the solutions was assumed to be as follows -the first one: range of the concentration of metal ions: 5 -100 mg l The experiments were performed at room temperature and pH 5.…”

Section: Batch Biosorption Experiments In Multi-metal Systemmentioning

confidence: 99%

Using wood and bone ash to remove metal ions from solutions

Chojnacka

Michalak²

2013

Global NEST Journal

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In the present work, wood and bone ash were used to remove metal cations from solutions. Cation-removal capacity of the ashes was analyzed by potentiometric titration. It was found that the capacity of wood ash was two times higher (37.3 meq g ). Kinetics of metal ions removal by both ashes was described with pseudo-second order equation and Langmuir model was employed to describe equilibrium of the process. Wood ash had better removal properties than bone ash -at the same experimental conditions biosorption capacity at equilibrium for wood ash was 2 times higher (244 mg g . Promising results were also obtained for wood ash, which was capable of removing 67.9 % of Zn(II) ions, 70.4 % of Cd(II) ions, 92.8 % of Cu(II) ions and 99.1 % of Cr(III) ions from model solution of wastewater from metallurgical industry and 84.5 % of Cr(III) ions from the postbiosorption solution from the production process of biological feed additives. The utilization of ashes of biological origin was found to be a promising alternative to conventional processes of wastewater treatment.

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Using biosorption to enrich the biomass of Chlorella vulgaris with microelements to be used as mineral feed supplement

Cited by 20 publications

References 23 publications

Biosorption of Cr(III) by Microalgae and Macroalgae: Equilibrium of the Process

Biosorption of Cr(III) by Microalgae and Macroalgae: Equilibrium of the Process

Spreading of Antibiotic Resistance with Wastewater

Using wood and bone ash to remove metal ions from solutions

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