scholarly journals A Comparative Study on the use of Soil - Organic and Inorganic Biostimulants in the Remediation of Oily Waste

2021 ◽  
pp. 21-33
Author(s):  
Ofonime U. M. John ◽  
Senyene I. Umana ◽  
Christiana E. Asuquov ◽  
Samuel I. Eduok
Keyword(s):  
Low Cost ◽  
Petroleum Industry ◽  
Organic Amendments ◽  
Soil Nutrient ◽  
Polycyclic Aromatic ◽  
Remediation Time ◽  
Npk Fertilizer ◽  
Oily Waste ◽  
Nutrient Amendment ◽  
Hydrocarbon Utilizing Bacteria

Remediation of oily waste using soil-organic (goat dung, poultry dropping) and inorganic (NPK fertilizer) nutrients was assessed for twelve weeks using culture-dependent microbiological technique and chemical procedures. The results indicate increased counts of Hydrocarbon-utilizing bacteria, fungi and actinomycetes with remediation time for both nutrient types. Bacteria in the remediated waste were members of the genera Bacillus, Pseudomonas, Acinetobacter, Alcaligenes and Serratia, fungi: Penicillium, Aspergillus and Cladosporium, and actinomycetes: Rhodococcus, Nocardia and Streptomyces for all soil-nutrient amendment techniques. pH of the NPK fertilizer ranged between 6.7 ± 0.03 and 7.3±0.06 whereas the goat dung and poultry dropping amendments was 6.5± 0.02 and 7.1 ±0.05. Dehydrogenase activity increased for the biostimulant treatment cells with remediation time. Total Petroleum Hydrocarbon reduction was 99.3 and 99.6% in organic and 99.8% for inorganic amendments. Polycyclic Aromatic Hydrocarbons of the remediated waste for both techniques revealed values below detectable limits (< 0.01) at the end of remediation period. Remediation with soil-goat dung and soil-poultry dropping amendments compared favorably with soil-NPK fertilizer technique because microbial activities were enhanced to produce eco-friendly waste. The use of soil-organic amendments is therefore a low-cost alternative biostimulant for the management of oily waste in the petroleum industry.

scholarly journals A short-term comparison of organic v. conventional agriculture in a silty loam soil using two organic amendments

2008 ◽  
Vol 146 (6) ◽  
pp. 677-687 ◽  
Author(s):  
J. F. HERENCIA ◽  
J. C. RUIZ ◽  
S. MELERO ◽  
P. A. GARCIA GALAVÍS ◽  
C. MAQUEDA
Keyword(s):  
Organic Farming ◽  
Crop Yields ◽  
Organic Amendments ◽  
Chemical Properties ◽  
Soil Nutrient ◽  
Short Term ◽  
Organic System ◽  
Conventional Agriculture ◽  
Silty Loam ◽  
Loam Soil

SUMMARYThe transition from conventional to organic farming is accompanied by changes in soil chemical properties and processes that could affect soil fertility. The organic system is very complex and the present work carries out a short-term comparison of the effects of organic and conventional agriculture on the chemical properties of a silty loam soil (Xerofluvent) located in the Guadalquivir River Valley, Seville, Spain, through a succession of five crop cycles over a 3-year period. Crop rotation and varieties were compared in a conventional system using inorganic fertilizer and two organic systems using either plant compost or manure. At the end of the study, organic farming management resulted in higher soil organic carbon (OC), N and available P, K, Fe and Zn. The available Mn and especially Cu values did not show significant differences. In general, treatment with manure resulted in more rapid increases in soil nutrient values than did plant compost, which had an effect on several crop cycles later. The present study demonstrated that the use of organic composts results in an increase in OC and the storage of nutrients, which can provide long-term fertility benefits. Nevertheless, at least 2–3 years of organic management are necessary, depending on compost characteristics, to observe significant differences. Average crop yields were 23% lower in organic crops. Nevertheless, only two crops showed statistically significant differences.

Removal of some polycyclic aromatic hydrocarbons from petrochemical wastewater using low-cost adsorbents of natural origin

2008 ◽  
Vol 99 (10) ◽  
pp. 4515-4519 ◽  
Author(s):  
Rudy Crisafully ◽  
Maria Aparecida L. Milhome ◽  
Rivelino M. Cavalcante ◽  
Edilberto R. Silveira ◽  
Denis De Keukeleire ◽  
...  
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Low Cost ◽  
Petrochemical Wastewater ◽  
Natural Origin ◽  
Polycyclic Aromatic

scholarly journals Sustainable Use of Biochar in Environmental Management

2021 ◽  
Author(s):  
Ammal Abukari ◽  
Ziblim Abukari Imoro ◽  
Abubakari Zarouk Imoro ◽  
Abudu Ballu Duwiejuah
Keyword(s):  
High Efficiency ◽  
Low Cost ◽  
Sustainable Use ◽  
Environmental Pollutants ◽  
Growth Yield ◽  
Soil Nutrient ◽  
Environmental Pollutant ◽  
Exchange Capacity ◽  
Agricultural Wastes ◽  
Preparation Conditions

Conversion of agricultural wastes into eco-friendly and low cost biochar is not only a smart recycling strategy but a panacea to environmental pollution management. Agricultural wastes biochar can be an effective alternative technique for controlling contaminants due to its low cost, high-efficiency, simple to use, ecological sustainability and reliability in terms of public safety. Biochars have made substantial breakthroughs in reducing greenhouse gases emissions, reducing soil nutrient leaching, sequester atmospheric carbon into the soil, increasing agricultural productivity, and reducing bioavailability of environmental contaminants. Recent advances in the understanding of biochars warrant a proper scientific evaluation of the relationship between its properties and impact on soil properties, environmental pollutant remediation, plant growth, yield, and resistance to biotic and abiotic stresses. The main factors controlling biochar properties include the nature of feedstock, heat transfer rate, residence time and pyrolysis temperature. Biochar efficacy in pollutants management largely depends on its elemental composition, ion-exchange capacity, pore size distribution and surface area, which vary with the nature of feedstock, preparation conditions and procedures. The chapter explored the possibility of using biochar from agricultural wastes as a suitable alternative for the remediation of environmental pollutants, soil conditioning and the long-term biochar application in the environment.

scholarly journals Effects of Ground and Unground Rice Straw on the Yield and Proximate Composition of Groundnut (Arachis hypogeae L.)

2016 ◽  
Vol 8 (2) ◽  
pp. 176-180
Author(s):  
Abdul'Aziz AYINLA ◽  
Bolaji Umar OLAYINKA ◽  
Emmanuel Obukohwo ETEJERE
Keyword(s):  
Rice Straw ◽  
Proximate Composition ◽  
Block Design ◽  
Soil Nutrient ◽  
Yield Attributes ◽  
Application Rates ◽  
Randomized Block Design ◽  
Main Plot ◽  
Nutrient Amendment ◽  
The University

A field experiment was carried out to evaluate the influence of ground and unground rice straw application as organic manure on the yield and proximate composition of groundnut seeds, at the University of Ilorin teaching and research farm. The field layout was a split plot Complete Randomized Block Design with four replications. The ground and unground rice straw were in the main plot and different application rates of the rice straw (0; 1,250; 2,500; 3,750 and 5,000 kg /ha) were in the subplots. The results revealed that ground and unground rice straws at 1,250 and 2,500 kg/ha application rates significantly increased (p < 0.05) yield attributes such as pods’ number with a range of 48.33-74.33 pod weight (23.95-42.70), number of seeds (45.67-77.33), seeds’ weight (13.55-25.56 g) and hundred seed weight (34.34-38.05 g) as well as some aspect of proximate composition such as ash content, crude protein and crude fats which ranged between 2.71-2.79%, 31.47-31.56% and 46.61-47.13% respectively, in order of their mention. The forgoing study revealed that ground and unground rice straw applied at the rate of 1,250 and 2,500 kg/ha can serve as an alternative for soil nutrient amendment in groundnut as it ensured a reasonable yield that is able to meet the nutritional needs of man and livestock.

scholarly journals Bioremediation of PAH-Contaminated Soils: Process Enhancement through Composting/Compost

2020 ◽  
Vol 10 (11) ◽  
pp. 3684 ◽  
Author(s):  
Tahseen Sayara ◽  
Antoni Sánchez
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Contaminated Soils ◽  
Low Cost ◽  
Polluted Soil ◽  
Ex Situ ◽  
Chemical Structures ◽  
Hydrophobic Chemical ◽  
Polycyclic Aromatic ◽  
The Stability

Bioremediation of contaminated soils has gained increasing interest in recent years as a low-cost and environmentally friendly technology to clean soils polluted with anthropogenic contaminants. However, some organic pollutants in soil have a low biodegradability or are not bioavailable, which hampers the use of bioremediation for their removal. This is the case of polycyclic aromatic hydrocarbons (PAHs), which normally are stable and hydrophobic chemical structures. In this review, several approaches for the decontamination of PAH-polluted soil are presented and discussed in detail. The use of compost as biostimulation- and bioaugmentation-coupled technologies are described in detail, and some parameters, such as the stability of compost, deserve special attention to obtain better results. Composting as an ex situ technology, with the use of some specific products like surfactants, is also discussed. In summary, the use of compost and composting are promising technologies (in all the approaches presented) for the bioremediation of PAH-contaminated soils.

Effect of inoculant density, formulation, dispersion and soil nutrient amendment on the removal of carbofuran residues from contaminated soil

1996 ◽  
Vol 28 (12) ◽  
pp. 1805-1811 ◽  
Author(s):  
Philippe Duquenne ◽  
Nisha R. Parekh ◽  
Gerard Catroux ◽  
Jean-Claude Fournier
Keyword(s):  
Contaminated Soil ◽  
Soil Nutrient ◽  
Nutrient Amendment

Synchrotron microscopic and spectroscopic techniques to reveal the fate of Zn in pioneer plants from abandoned mining sites

2020 ◽  
Author(s):  
Daniela Medas ◽  
Carlo Meneghini ◽  
Ilaria Carlomagno ◽  
Giovanni De Giudici
Keyword(s):  
Plant Species ◽  
Low Cost ◽  
Soil Nutrient ◽  
Nutrient Content ◽  
Adaptation Strategy ◽  
Sem Analysis ◽  
Crystallographic Structure ◽  
Spectroscopic Techniques ◽  
X Ray ◽  
Pioneer Plants

&lt;p&gt;Mining activities generate a large amount of waste materials that are often very unstable and represent a source of pollution. Phytomanagement, in terms of phytostabilization, is considered a suitable method to decrease environmental risks of metal-enriched mine wastes (Parraga-Aguado et al. 2013). This technique employs plants to achieve the surface stabilization of the wastes by acting as a barrier which decreases wind borne dust and water erosion, reduces metal-enriched leaching through metal accumulation in plant roots and provides metal immobilization in the rhizosphere (Robinson et al. 2009; Sun et al. 2016).&lt;/p&gt;&lt;p&gt;Most of the research has focused on the selection of the best spontaneously adapted plant species (endemic pioneer plants) for each specific mining site (Parraga-Aguado et al. 2013), because they may respond better and can survive easily compared to introduced alien species (Bradshaw 1997; Pandey 2015). Pioneer vegetation may improve edaphic conditions by increasing soil nutrient content (Rodr&amp;#237;guez et al. 2007) or ameliorating soil acidity (Rufo and de la Fuente 2010), and thus may favor further establishment of other plant species.&lt;/p&gt;&lt;p&gt;The investigation of metal transfer from the geosphere to the vegetal tissues helps to understand the adaptive strategies of plant species and may be useful for soil remediation actions. Synchrotron radiation-based techniques represent the state of the art tools to investigate the microscopic processes occurring in plant-soil systems (Kopittke et al. 2017). X-ray diffraction, X-ray fluorescence and X-ray absorption spectroscopy (XAS), are particularly suited to determine the finest complementary details about the atomic and crystallographic structure, distribution of elements, their chemical speciation and their valence state. Here, we report a review of selected researches performed on different plant species (&lt;em&gt;Pistacia&lt;/em&gt; &lt;em&gt;lentiscus&lt;/em&gt; L., &lt;em&gt;Euphorbia pithyusa&lt;/em&gt; subsp. &lt;em&gt;cupanii&lt;/em&gt;, &lt;em&gt;Phragmites australis&lt;/em&gt;, and &lt;em&gt;Helichrysum microphyllum&lt;/em&gt; Cambess. subsp. &lt;em&gt;tyrrhenicum&lt;/em&gt;), growing on metal contaminated substrates in abandoned mining areas in Sardinia (Italy).&lt;/p&gt;&lt;p&gt;Our results demonstrate that these plant species have developed their own adaptation strategy to grow and to survive in polluted environments, making them potential candidates to develop low-cost and self-sustainable vegetative covers aimed at reducing the dispersion of metals in soils and waters around these mine polluted sites.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Acknowledgments&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;The authors acknowledge CESA (E58C16000080003) from RAS and RAS/FBS (F72F16003080002) grants, FP7 ERANETMED2 72094 SUPREME, the POR FESR Sardegna 2014-2020 (project cluster Top-Down: TESTARE), the Grant of Excellence Departments, MIUR (ARTICOLO 1, COMMI 314 &amp;#8211; 337 LEGGE 232/2016), and the CeSAR (Centro Servizi d'Ateneo per la Ricerca) of the University of Cagliari, Italy, for SEM analysis.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;References&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;A. Bradshaw, Ecol. Eng. 8, 255 (1997).&lt;/p&gt;&lt;p&gt;P.M. Kopittke et al., J. Environ. Qual. 46, 1175 (2017).&lt;/p&gt;&lt;p&gt;V.C. Pandey, Ecol. Eng. 82, 1 (2015).&lt;/p&gt;&lt;p&gt;I. Parraga-Aguado et al., Environ. Pollut. 176, 134 (2013).&lt;/p&gt;&lt;p&gt;B.H. Robinson et al., CRC. Crit. Rev. Plant Sci. 28, 240 (2009).&lt;/p&gt;&lt;p&gt;N. Rodr&amp;#237;guez et al., Arid L. Res. Manag. 21, 51 (2007).&lt;/p&gt;&lt;p&gt;L. Rufo and V. de la Fuente, Arid L. Res. Manag. 24, 301 (2010).&lt;/p&gt;&lt;p&gt;Z. Sun et al., Ecol. Eng. 86, 60 (2016).&lt;/p&gt;

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