Characterisation and evolution of a soil affected by olive oil mill wastewater disposal

Sierra, Jordi; Martí, Esther; Montserrat, Genoveva; Cruañas, Robert; Garau, M. A.

doi:10.1016/s0048-9697(01)00783-5

Cited by 181 publications

(97 citation statements)

References 2 publications

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“…An explanation could be a partial assimilation by plants, though it is improbable for this period of year (August), or a stronger cation adsorption on clay minerals in Bait Reema due to the higher clay content and higher CECeff than in Gilat. In general, the increased mineral nutrient content in both fields upon OMW application is consistent with previous findings [14,54] but may not be effective in the long term. Chelation of these ions by soil or OMW-derived chelating agents like polyphenols can bind these ions [55].…”

Section: Effects Of Omw and Water Application On Soil Propertiessupporting

confidence: 90%

“…On the other hand, the Israeli Ministry of Environmental Protection allows land application at rates up to 40 m , which is expected "to be on a safe side" [7]. OMW could serve as fertilizer [8][9][10], but it may also render soils water repellent or modify the sorptive capacity of soil for organic pollutants on a long-term scale [9,[11][12][13], and leaching of OMW components to groundwater cannot be excluded [14,15]. Moreover, OMW is phytotoxic to, for instance, spinach [16] and cress [17].…”

Section: Introductionmentioning

confidence: 99%

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Effects of Olive Mill Wastewater on Soil Microarthropods and Soil Chemistry in Two Different Cultivation Scenarios in Israel and Palestinian Territories

et al. 2015

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Although olive mill wastewater (OMW) is often applied onto soil and is known to be phytotoxic, its impact on soil fauna is still unknown. The objective of this study was to investigate how OMW spreading in olive orchards affects Oribatida and Collembola communities, physicochemical soil properties and their interdependency. For this, we treated plots in two study sites (Gilat, Bait Reema) with OMW. Among others, the sites differed in irrigation practice, soil type and climate. We observed that soil acidity and water repellency developed to a lower extent in Gilat than in Bait Reema. This may be explained by irrigation-induced dilution and leaching of OMW compounds in Gilat. In Bait Reema, OMW application suppressed emergence of Oribatida and induced a community shift, but the abundance of Collembola increased in OMW and water-treated plots. In Gilat, Oribatida abundance increased after OMW application. The effects of OMW application on soil biota result from an interaction between stimulation of biological OPEN ACCESSAgriculture 2015, 5 858 activity and suppression of sensitive species by toxic compounds. Environmental and management conditions are relevant for the degree and persistence of the effects. Moreover, this study underlines the need for detailed research on the ecotoxicological effects of OMW at different application rates.

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Section: Effects Of Omw and Water Application On Soil Propertiessupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Effects of Olive Mill Wastewater on Soil Microarthropods and Soil Chemistry in Two Different Cultivation Scenarios in Israel and Palestinian Territories

et al. 2015

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“…Samples dry matters and water contents were determined according to Sierra et al (2001) standard method. Indeed, from 20 to 30 g of each wet sample (m 1 ) were introduced into a porcelain crucible mass (m 0 ).…”

Section: Determination Of Dry Matter and Water Contentmentioning

confidence: 99%

“…The COD test predicts the oxygen requirement of the effluent and is used for the monitoring and control of discharges and for assessing treatment plant performance. COD was determined according to Sierra et al (2001).…”

Section: Determination Of Chemical Oxygen Demand (Cod)mentioning

confidence: 99%

Disposal of Agro-Industrials Wastes as Soil Amendments

Mekki¹,

Arous²,

Aloui³

et al. 2013

American Journal of Environmental Sciences

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We investigated the fertilizing potential of three agro-industrial wastes (Compost (C), Dehydrated Manures (DM) and Digestate (D)) on soil properties, on seeds germination and the plants growth. Results showed that the addition of wastes modified several soil properties as pH, Electrical Conductivity (EC), Water Retention Capacity (WRC) and Soil Organic Matter (SOM). Hence, SOM increase from 1.5% in unamended soil to 2, 2.3 and to 3.1% in soils amended with (D), with (DM) and with (C) respectively. A fast SOM biodegradation was illustrated in presence of compost where we noted a decrease of 20% of initial organic matter content. Besides, wastes improve strongly microbial and respirometric soil activities mainly in presence of DM and D. These same wastes stimulate seeds germination of two standard plants species (Tomato (Lycopersicon esculentum) and Alfalfa (Medicago sativa)). The growth levels of three cultivated plants species (Wheat (Triticum durum), Sorghum (Sorghum bicolor) and Alfalfa (Medicago sativa)) were enhanced in presence of wastes than those irrigated with water.

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“…Due to their instability, OMWW phenols tend to polymerise during storage into condensed high-molecular-weight polymers that are particularly difficult to degrade (Ayed et al 2005;Crognale et al 2006). For these reasons, the uncontrolled disposal of OMWW has traditionally become a great problem in Mediterranean countries because of their polluting effects on soil and water (Sierra et al 2001;Piotrowska et al 2006).…”

Section: Omww Omwwmentioning

confidence: 99%

Bioremediation and biovalorisation of olive-mill wastes

Morillo

Antízar-Ladislao

Monteoliva‐Sánchez

et al. 2009

Appl Microbiol Biotechnol

192

104

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Olive-mill wastes are produced by the industry of olive oil production, which is a very important economic activity, particularly for Spain, Italy and Greece, leading to a large environmental problem of current concern in the Mediterranean basin. There is as yet no accepted treatment method for all the wastes generated during olive oil production, mainly due to technical and economical limitations but also the scattered nature of olive mills across the Mediterranean basin. The production of virgin olive oil is expanding worldwide, which will lead to even larger amounts of olive-mill waste, unless new treatment and valorisation technologies are devised. These are encouraged by the trend of current environmental policies, which favour protocols that include valorisation of the waste. This makes biological treatments of particular interest. Thus, research into different biodegradation options for olive-mill wastes and the development of new bioremediation technologies and/or strategies, as well as the valorisation of microbial biotechnology, are all currently needed. This review, whilst presenting a general overview, focusses critically on the most significant recent advances in the various types of biological treatments, the bioremediation technology most commonly applied and the valorisation options, which together will form the pillar for future developments within this field.

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Characterisation and evolution of a soil affected by olive oil mill wastewater disposal

Cited by 181 publications

References 2 publications

Effects of Olive Mill Wastewater on Soil Microarthropods and Soil Chemistry in Two Different Cultivation Scenarios in Israel and Palestinian Territories

Effects of Olive Mill Wastewater on Soil Microarthropods and Soil Chemistry in Two Different Cultivation Scenarios in Israel and Palestinian Territories

Disposal of Agro-Industrials Wastes as Soil Amendments

Bioremediation and biovalorisation of olive-mill wastes

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