ما

mill wastes

The Microbiome of olive mill wastes

Olive mill wastes (OMWs) pose a significant environmental threat due to their high-strength organic nature, which can harm soil and water quality and have adverse effects on aquatic and ...

ادامه مطلب

Phytoremediation of nickel and zinc using Jatropha curcas …

Request PDF | Phytoremediation of nickel and zinc using Jatropha curcas and Pongamia pinnata from the soils contaminated by municipal solid wastes and paper mill wastes | The primary source of ...

ادامه مطلب

Pulp Mill Wastewater: Characteristics and Treatment

The pulp and paper mill industry is an intensive consumer of water and natural resources (wood), discharging a variety of liquid, gaseous and solid wastes to …

ادامه مطلب

Olive mill wastes: Biochemical characterizations and valorization

The treatments applied to extract the oil from the olives and to treat the olive mill wastes, the olive variety and its mode of culture also significantly impact the quantitative and qualitative phenolic content of the OMWW and solid residues. This phenomenon could explain the sole detection of some phenolic compounds only in …

ادامه مطلب

Treatment of Fenton‐refractory olive oil mill wastes by …

The wastewater is the effluent of a wastewater treatment plant consisting of a Fenton reactor followed by a settler and a sand filter, in which the wastes generated in an olive oil mill are treated. These wastes contain a residual chemical oxygen demand of nearly 700 mg dm −3 which cannot be further oxidized with the Fenton process. The ...

ادامه مطلب

Characterization of fulvic acids by elemental and

Elemental, functional and spectroscopic analyses (FTIR, 13C-NMR) were performed to study fulvic acids of composted olive mill wastes plus cereal straw, in order to follow the maturity of the final product during composting. The extracted fulvic acids were characterized by high nitrogen, acidic funct …

ادامه مطلب

Sugar mill wastes can be important soil amendments

The effects of additions of three wastes from sugar mills on the properties of two acid soils were investigated. The wastes used were boiler ash and filter cake from a conventional mill and fly ...

ادامه مطلب

Economic and sustainable management of wastes from …

The study suggests processes to curb the effect of wastes generated from a typical rice mill by not only utilizing its wastes to generate value-added products like biohydrogen, paper, zeolite, silica and edible oil among many others but also chalking out the possibility of minimizing the rice mill's ill effect on the environment by using one ...

ادامه مطلب

Paper mill wastes and biochar improve physiochemical …

Background: The incorporation of industrial wastes, such as wood ash and paper sludge, as soil amendments is vital for both environmental sustainability and agroecosystem productivity.Herein, we evaluated the effects of wood ash and paper sludge alone and in combination with biochar on the physicochemical properties and heavy …

ادامه مطلب

Phytoremediation of nickel and zinc using Jatropha curcas …

In this study, the phytoremediation ability of Jatropha curcas and Pongamia pinnata was tested to remove nickel (Ni) and Zinc (Zn) from paper mill and municipal landfill contaminated soils, to understand the uptake potential and to estimate the accumulation pattern of Ni and Zn in the vegetative parts of the plant.

ادامه مطلب

Characterization of bio-oil and biochar from slow pyrolysis …

Wastes from oil palm plantations and mill processing are renewable resources for bio-energy and biochemicals development. The five most abundant oil palm wastes are empty fruit bunch (EFB), palm kernel shell (PKS), palm mesocarp fiber (PMF), palm frond (PF), and palm trunk (PT). These different types of biomass have different …

ادامه مطلب

Chemical and spectroscopic analyses of organic matter …

A piled mixture of olive-mill wastes and wheat straw was composted for 1 year and several of its characteristics (total organic carbon and nitrogen, organic matter, lignin, cellulose, hemicellulose, total fats, water-soluble phenols and the germination index of cress, Lepidium sativum L.) were monitored. In addition, the compost was …

ادامه مطلب

Disposal of olive oil mill wastes in evaporation ponds: …

DOI: 10.1016/j.jhazmat.2010.06.007 Corpus ID: 12928887; Disposal of olive oil mill wastes in evaporation ponds: effects on soil properties. @article{Kavvadias2010DisposalOO, title={Disposal of olive oil mill wastes in evaporation ponds: effects on soil properties.}, author={Victor Kavvadias and Maria K. Doula and …

ادامه مطلب

An overview on olive mill wastes and their valorisation …

Olive mill wastes represent an important environmental problem in Mediterranean areas where they are generated in huge quantities in short periods of time. Their high phenol, lipid and organic acid concentrations turn them into phytotoxic materials, but these wastes also contain valuable resources such as a large proportion of organic matter ...

ادامه مطلب

Olive mill wastes: from wastes to resources

Consequently, large amounts of olive mill wastes (OMWs) derived from the trituration process are annually produced, causing serious environmental problems. The limited financial capabilities of olive mills make them usually unable to bear the high costs required for the disposal of their wastes. Alternatively, the valorization of OMWs within ...

ادامه مطلب

Biochar improves N cycling during composting of olive mill wastes …

Two treatments: (i) control (olive mill waste 46%+sheep manure 54%, dry weight) and (ii) the same mixture treated with biochar (4%), were composted during 31 weeks. The incorporation of a small amount of biochar improved N cycling by increasing NO3(-)-N content, indicating a higher nitrifying activity, and reducing N losses by 15% without ...

ادامه مطلب

Evaluation of Volvariella volvacea Strains for Yield and

Out of the 3 parent strains and 4 single spore isolates of Volvariella volvacea evaluated, strain, OE-274 gave earliest yield in 11.25-11.50 days post-spawning in all 4 trials. The yield varied in different strains in different trials and it was …

ادامه مطلب

Management of Hazardous Paper Mill Wastes for …

Paper mill wastes are the residuals constituted with fibers produced from the pulping of raw materials but unsuitable for papermaking, paper sludge, lime sludge, inks, fly ash, clays, and other fillers developed in de-inking process. These solid wastes in some cases are utilized for energy generation, but in many places those are disposed of …

ادامه مطلب

Complete EFB Pellet Plant

The hammer mill we applied is a water drop type hammer mill, which can be opened from two sides, thus make it easier to change hammers, screen, and maintenance. With the …

ادامه مطلب

Anaerobic digestion of pulp and paper mill wastes

However, several factors are involved in the AD of P&P mill wastes (graphical abstract) which should be taken into consideration carefully to achieve the desirable methane production and treatment efficiency for this process. Anaerobic digesters having internal settlers such as UASB reactors are the dominant reactor systems for the …

ادامه مطلب

(PDF) Wastes from pulp and paper mills

Yilmaz et al. (2021) [21] present a conscious review of the management and proper disposal of waste from pulp and paper mills. In addition, aspects of the paper …

ادامه مطلب

Enhancing the nutritional and functional properties of …

Three cultivation substrates consisting of lignocellulosic residues/wastes were examined for their suitability to support production of P. citrinopileatus mushrooms. As regards the cultivation process, the GMW substrate was fully colonized by the mycelium within a period of 12 days after inoculation, while the respective period was significantly …

ادامه مطلب

Can mailing your kitchen scraps to this startup tackle climate …

Mill emerged from stealth mode last month boasting a roster of tech bigwigs on a quest to create a consumer solution to food waste. Tannenbaum was previously a …

ادامه مطلب

Potential of olive mill wastes for soil C sequestration

Olive mill wastes, especially olive mill wastewaters, have been reported to actively participate into humification process because of the lignocellulosic composition and the high levels of polyphenols. The aerobic degradation of olive mill wastewaters takes place through typical humification pathways involving polyphenol condensation and the ...

ادامه مطلب

Pulp and paper mill wastes: utilizations and prospects for high …

Fig. 6 Major wastes generated from pulp and paper mills: a sawdust; b sludge; c waste paper; d inorganic wastes (dregs, lime mud, grits); e Fly ash Page 11 of 22 Haile et al.

ادامه مطلب

Olivibacter sitiensis gen. nov., sp. nov., isolated from

A novel, Gram-negative, non-motile, non-sporulating, rod-shaped bacterium isolated from a viscous two-phase olive-oil mill waste ('alpeorujo') is described. The strain, designated AW-6T, is an obligate aerobe, forming irregular, pigmented creamy white colonies. The pH and temperature ranges for grow …

ادامه مطلب

Radioactive Waste From Uranium Mining and Milling | US EPA

In response to these issues, the 1978 Uranium Mill Tailings Radiation Control Act (UMTRCA) stopped the use of mill tailings in building and construction projects. What You Can Do. Avoid both abandoned and operating mining sites and equipment. This will limit your exposure to potential radioactive wastes stored on-site. Obey safety …

ادامه مطلب

Detection of Azo Dyes Using Carbon Dots from Olive Mill Wastes

Azo dyes are widely spread in our day life, being heavily used in cosmetics, healthcare products, textile industries, and as artificial food colorants. This intense industrial activity, which inherently includes their own production, inexorably leads to uncontrolled release of dyes into the environment. As emerging pollutants, their detection, particularly …

ادامه مطلب

(PDF) Paper-Mill Wastes for Bioethanol Production in …

The landfilled fraction of the wastes for each geographical region is represented by the blue color (B) Global waste generation, based on data from [2]. Stages in second-generation bioethanol ...

ادامه مطلب

Synthesis of magnetic biochar-supported Fe-Cu

Treating the wastes generated from pulp and paper mills, such as black liquor and Fenton sludge is challenging. In this study, the biochar-supported Fe-Cu bimetallic catalysts were synthesized by a one-step pyrolysis method using Fenton sludge as iron source, acid-precipitated black liquor (APBL) as carbon source and copper …

ادامه مطلب