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Bao, J.; Liang, W.; Man, X. ; Wilkens, J.L. ; Llamas, N.E. 4, No. Heavy metals are natural components of the Earths crust. ; Zhou, G.D.; Luo, Y.M. ; Gregory, A. But in 2009, while working on assembly line and dispatch systems at a Toyota plant in Karnataka, Sharma was captivated by a presentation given by Akira Miyawaki. Immobilization of Radionuclide 133Cs by Magnesium Silicate Hydrate Cement. ; Wu, S.C. Phytotoxicity of dredged sediment from urban canal as land application. ; Saltus, C.L. Bianchi, V.; Masciandaro, G.; Ceccanti, B.; Doni, S.; Iannelli, R. Phytoremediation and Bio-Physical Conditioning of Dredged Marine Sediments for Their Re-Use in the Environment. Naicker, K.; Mahlambi, P.; Mahlambi, M. Comparison of ultrasonic and microwave assisted digestion methods for the determination of heavy metals in soil and sediment: The effect of seasonal variations on metal concentrations and risk assessment. Tel: +27 (0) 11 256 3600, Media Contacts Afforestation ensures a constant, sustainable supply of resources and protects the future. ; Mohan, D.; Singh, V.K. The U.S. Forest Service has identified 24 million acres of federal land alone that is at the absolute highest risk of catastrophic fire, with a third of that in California, more than any other state. Marriott also stresses the need for the solutions developed in the competition for not just biodiversity but human rights as well: The solutions that will be produced by the competing XPRIZE Rainforest teams will assist with the implementation and evaluation of these biodiversity investment frameworks by enabling rapid biodiversity assessments, providing baseline assessments and near real-time data on the positive impacts of conservation or restoration programs and the negative impacts of harmful/extractive activities and encroachment on protected or Indigenous-owned lands.. Sustainable conversion of contaminated dredged river sediment into eco-friendly foamed concrete. Cellular distribution of copper, lead and zinc in the grey mangrove, avicennia marina (forsk) vierh. The true challenge is if the willingness to overcome greed and commit to our collective survival is great enough and swift enough to course correct in time. However, there are a number of issues associated with the use of planting that raise questions on public and private lands, including cost, quality of genetic stock, and the speed with which restored habitat can be obtained. Zirker, L.; Thiesen, T.; Tyson, D.; Beitel, G. Macroencapsulation of lead and steel SWARF. ; Baek, K.; Hou, D.; Ding, S.; Poon, C.S. 4 (December 2006), p. 226, An Analysis of Forestry Carbon Sequestration as a Response to Climate Change, pp. National Library of Medicine Along with the Cubans love for music, there is a love for dance as well. Zhang, W.L. He made his living as an industrial engineer, a career he had dreamed of, in fact, since his boyhood. During this early period, the plantings compete with each other for space and access to light and watera battle that encourages much faster growth. An overview of carcinogenic heavy metal: Molecular toxicity mechanism and prevention. ; methodology, Q.X. Ionic liquid mediated extraction, assisted by ultrasound energy, of available/mobilizable metals from sediment samples. But there is hope to be found in the goals set forth by the leaders at COP15 and the innovators, guardians, and conservationists of all backgrounds and skillsets who are persevering through the persistent challenges facing biodiversity to understand and protect tropical forests and their abundance of life before the clock runs out. Before 2010; Rands et al. Clear-Cutting Pros & Cons And Its Effects On Forests. Congress has now given the American people their best hope for restoring forest health and protecting communities from catastrophic wildfire. The efficiency does not reach that of the (3 + 1)-step BCR procedure. Please let us know what you think of our products and services. Forests without primates: primate/plant codependency. ; Roy, D.M. ; Tian, G.M. As a whole, the current work reviews the latest research to physical-chemical approaches and biotechnologies for treating metal-contaminated sediments. Global Primary Forest Loss Remained High. ; Wang, L. Sustainable ex-situ remediation of contaminated sediment: A review. Rev Biol Trop. Norn, A.; Lointier, C.; Modin, O.; Stromvall, A.M.; Rauch, S.; Andersson-Skld, Y.; Karlfeldt Fedje, K. Removal of organotin compounds and metals from Swedish marine sediment using Fentons reagent and electrochemical treatment. WebThe advantages are obvious, especially when application of planting is done in a manner that draws on existing knowledge of seed sources, nursery practice, site preparation, and planting methodology in a manner that resembles reforestation after clearcutting. Thats why afforestation is critical to the continuation of life on our planet, which is rapidly heating while losing its ecological biodiversity. An ultrasonic assisted extraction method to release heavy metals from untreated sewage sludge samples. A locked padlock Focus on landscapes. Optimization of Solidification and Stabilization Efficiency of Heavy Metal Contaminated Sediment Based on Response Surface Methodology. Land crabs as key drivers in tropical coastal forest recruitment. 1996-2023 MDPI (Basel, Switzerland) unless otherwise stated. Conner, J.R.; Hoeffner, S.L. ultrasound-assisted sequential extraction, Ultrasonic and microwave assisted extraction. 2016 Oct 17;7:1538. doi: 10.3389/fpls.2016.01538. In Southern California, we're seeing again that leaving forests alone equates to watching them burn. Mechanical and microstructure of magnesium potassium phosphate cement with a high concentration of Ni(II) and its leaching toxicity. The aim is to provide a snapshot of some of the ; Li, B. ; Wang, Y.A. Pawlowski, L. Sustainability and Global Role of Heavy Metals. It works like this: the soil of a future forest site is analyzed and then improved, using locally available sustainable amendmentsfor example, rice husks from a nearby mill. Ettringite and C-S-H Portland cement phases for waste ion immobilization: A review. ; investigation, Q.X. 1 Weather The weather in the tropical rainforest is always hot and humid. ; Thomas, M.S. document.getElementById( "ak_js_3" ).setAttribute( "value", ( new Date() ).getTime() ); JSTOR Daily provides context for current events using scholarship found in JSTOR, a digital library of academic journals, books, and other material. ; Qiu, G.L. ; Kk, A. Diagnosis of soil contamination using microbiological indices: A review on heavy metal pollution. You are accessing a machine-readable page. ; Lens, P.; Van Hullebusch, E.D. In order to be human-readable, please install an RSS reader. ; Jalbani, N.; Sarfraz, R.A. They also house 80 percent of our terrestrial biodiversity, reduce soil erosion, halt desertification, and lessen the impacts of floods. We groom talented players with the right technical, tactical and mental skills to enable them to compete as professional players at the highest level in football anywhere. ; Marcovecchio, J.E. Forests cool the air and generate oxygen, plus they clean our waters and regulate precipitation and wind. Using an algorithm similar to Toyotas assembly line that produces several different types of cars, each with its own requirements, he derived his own formula to make a multi-layered forest with plantings that also have different time, space, and other needs. Tropical forest recovery in pastures is slowed by a number of biotic and abiotic factors, including a lack of adequate seed dispersal and harsh microclimatic extremes. At present, resource-oriented utilization is classified as ecosystem restoration, construction materials, and agricultural activities. and B.W. Improving the microenvironment of Cd-contaminated river sediments through humic substances washing and zeolite immobilization. WebTropical rainforests can be managed in the following ways to reduce deforestation: Logging and replanting - selective logging of mature trees ensures that the rainforest canopy is preserved. As if the rest of the forest, and the wildlife and watersheds in it, aren't worthy of our attention? Varga, N.S. Restoring marsh habitat with beneficial use of dredged sediment from a riverine environment. Extended Data Fig. In the future, it is hoped that polluted sediment can be comprehensively purified, and truly sustainable management of dredged sediment will be achieved. WebAnswer (1 of 2): Tropical forests pretty much provide no advantage to your nation. Tropical forest restoration is a global, high-value opportunity Hong, W.; Liu, T.; Shuai, F.; Zhang, W. Metal removal and associated binding fraction transformation in contaminated river sediment washed by different types of agents. The role of planting in ecosystem restoration--pros and cons. ; project administration, B.W. Kovcs, K.; Halsz, G.; Takcs, A.; Heltai, G.; Szles, .; Gyri, Z.; Horvth, M. Study of ultrasound-assisted sequential extraction procedure for potentially toxic element content of soils and sediments. However, the former are more expensive and the latter are time-consuming and have unstable efficiency. Pro and Con on the Healthy Forest Initiative / Bipartisan initiative will save California's forests, Horoscope for Friday, 3/03/23 by Christopher Renstrom, No seriously, dont drive up to Tahoe this weekend, Wife of Jeffrey Vandergrift issues somber update, Snowboarder dies at Tahoe ski resort following historic blizzard, Horoscope for Saturday, 3/04/23 by Christopher Renstrom, The Warriors broke Russell Westbrook, just like old times, Scream publicity stunt floods Bay Area dispatch with 911 calls, Oakland ransomware attackers leak 'confidential' data, Mochi muffin bakery closes SF cafe after just 4 months, Rain reenters Bay Area forecast: Have an umbrella near you, The best fried chicken is at a San Francisco strip club, Your Privacy Choices (Opt Out of Sale/Targeted Ads). 37 (Mar., 1914), pp. Solution chemistry during cement hydration in the presence of metal hydroxide wastes. ; Llamas, N.E. The Southern Research Station is one of seven units that make up the U.S. Forest Service Research and Development organization the most extensive natural resources research organization in the world. 3: 207. ; Scheetz, B.E. In Proceedings of the Western Dredging Association 19th Technical Conference and 31st Texas A&M Dredging Seminar, Louisville, KY, USA, 1618 May 1999; pp. Luckily, swift action and innovation have the power to save these biomes from the brink if we act before it's too late. Application of hexagonal two dimensional electrokinetic system on the nickel contaminated sediment and modelling the transport behavior of nickel during electrokinetic treatment. Heavy metal immobilization in dredged sediments by the Novosol process. 10.1890/1051-0761(2006)016[0464:tfrtia]2.0.co;2. All Rights Reserved. The best Hg-removal (~71% in 400 h) was achieved. Clipboard, Search History, and several other advanced features are temporarily unavailable. Multiple requests from the same IP address are counted as one view. This, along with his studies in phytosociologythe way plant species interact with each otherguided his explorations of the vegetation growing throughout his native Japan. In rocks, they occur as minerals in different chemical forms, such as sulfides and oxides [, As heavy metals are transported into the water, most fractions (>90%) are trapped in sediments by adsorption, precipitation, complexation, and chelation reactions [, Traditionally, remediation of metal-contaminated sediments has been achieved through in situ and ex situ treatment [, Sediment washing extracts metals from dredged sediment to the washing solution through high-pressure water jets or adding some chemical washing agents (such as inorganic acid, chelators, and surfactants) (, EKR can be applied both in situ and ex situ, which involves inserting electrodes into a contaminated medium and applying an electric field to move the contaminant towards the electrodes [, Floatation is a possible technique for remediation of dredge sediment, which is obviously affected by the sediment properties (e.g., particle size), bubbles, and extraction agents [, Recently, microwave and ultrasonic-assisted heavy metal extractions have been emerging, which have the advantages of labor-less, time-saving, lower reagents usage, reduced contamination, and enhanced operator safety in comparison with conventional chemical extraction (, Ex situ phytoremediation seems to have strong potential for treatment contaminated sediments. ; Liu, M.A. Tessier, A.P. JSTOR, the JSTOR logo, and ITHAKA are registered trademarks of ITHAKA. Mimura, A.M.S. ; Peng, T.F. Aguilera-Herrador, E.; Lucena, R.; Crdenas, S.; Valcrcel, M. Direct coupling of ionic liquid based single-drop microextraction and GC/MS. Now, thanks to bipartisan support, a more efficient system brings renewed hope for our national forests. https://doi.org/10.3390/toxics11030207, Xu, Qinqin, and Boran Wu. Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for WebHome; About. ; Wu, J.A. Everyone agrees that this overcrowding makes our forests more susceptible to wildfire, disease, and insect infestation. Protected areas guard critical habitat for species so that they can thrive in nature, unimpacted by human disturbance. Effects of treatment agents during acid washing and pH neutralization on the fertility of heavy metal-impacted dredged marine sediment as plant-growing soil. Long-term application of stabilization/solidification technique on highly contaminated sediments with environment risk assessmentScienceDirect. Heavy metal pollution and human biotoxic effects. Wang, L.; Chen, L.; Tsang, D.W.C. Arrivabene, H.P. Kim, K.; Nakashita, S.; Yoshimura, K.; Hibino, T. In situ electrochemical remediation of brackish river sediment rich in aromatic organic matter using steel-slag-combined sediment microbial fuel cells. PMC Zhao, Z.; Mahfoud, B.; Nor-Edine, A.; Denis, D.; Luc, C.; Wang, D. Use of uncontaminated marine sediments in mortar and concrete by partial substitution of cement. Dr. Li, Y.; Zhou, Q.; Ren, B.; Luo, J.; Yuan, J.; Ding, X.; Bian, H.; Yao, X. WebPros. Share sensitive information only on official, secure websites. Solidification/stabilisation of soil contaminated with metal: A review. Demonstrating the influence of sediment source in dredged sediment recovery for brick and tile production. Raenovi, D.; Kerkez, D.; Pilipovi, D.T. Forest degradation is a global phenomenon and while being an important indicator and precursor to further forest loss, carbon emissions due to degradation should also be accounted for in national reporting within the frame of UN REDD+. Anuran call surveys on small wetlands in Prince Edward Island, Canada restored by dredging of sediments. As carbon sinks, rainforests slow climate change by removing carbon from the atmosphere and storing it in their trees. Miyawaki has planted over 40 million trees in this way, in 15 countries, including, especially, his own. Ferro, S.; Vocciante, M. ElectroKinetic Remediation. Hexagonal two dimensional electrokinetic system with solar panels. Along with the Cubans love for music, there is a love for dance as well. ; Wei, S.; Gao, J.Q. WebPros and cons of tropical forest restoration/reforestation Tom Geary Forest Scientist, Retired, US Forest Service, USA [email protected] Greenhouse gases, especially L. 108148 (text)), is a law proposed by President George W. Bush following the forest fires of 2002 which was devastatingly widespread. ; resources, B.W. It also clears roadblocks that prevent much needed action on the ground, streamlining the appeals process and procedures within federal agencies that manage federal forestlands while encouraging public participation early in project planning. ; Lou, Q.S. Martnez-Nicols, J.J.; Legua, P.; Hernndez, F.; Martnez-Font, R.; Giordani, E.; Melgarejo, P. Effect of phytoremediated port sediment as an agricultural medium for pomegranate cultivation: Mobility of contaminants in the plant. Proceedings of the 33rd southern forest tree improvement conference; 2015 June 8-11; Hot Springs, AR. Tropical forests alone store one quarter of a trillion tons of carbon, according to the World Wildlife Fund (WWF). Pasture succession in the Neotropics: extending the nucleation hypothesis into a matrix discontinuity hypothesis. Mangat, P.; Lambert, P. Sustainability of alkali-activated cementitious materials and geopolymers. Tang, J.; Zhang, J.; Ren, L.; Zhou, Y.; Gao, J.; Luo, L.; Yang, Y.; Peng, Q.; Huang, H.; Chen, A. 2010), as at least two-thirds of terrestrial organisms are associated with forests and particularly tropical rainforests, due to their uniquely rich biodiversity (FAO and UNEP 2020; Wilson & Peter 1988).Indeed, the fragmentation of Teds Bio; Fact Sheet; Hoja Informativa Del Ted Fund; Ted Fund Board 2021-22; 2021 Ted Fund Donors; Ted Fund Donors Over the Years. Open-pasture "islands" of equal sizes served as controls. Tang, P.P. Bioleaching of heavy metals from contaminated sediment by indigenous sulfur-oxidizing bacteria in an air-lift bioreactor: Effects of sulfur concentration. Yang, X.; Zhao, L.; Haque, M.A. Perhaps more importantly, Sharma says hes witnessed people in resources-depleted communities change over the years, from assuming land is bad and will stay that way, to now imagining forest. Hes dedicated to making more of that verdant possibility come true, and to bringing back, he says, everything [we can] that has been lost to agriculture, monoculture, cities, lawns. ; Spasojevic, J.M. Bethesda, MD 20894, Web Policies The tropical rainforest of Congo Basin is bordered by savannahs and deforested areas due to logging and land clearing activities (Bucini & Lambin, 2002) that heighten the risk of Obua J., Chapman C. A. ; Chen, Y.H. Changes in speciation and leaching behaviors of heavy metals in dredged sediment solidified/stabilized with various materials. Could a Trillion Trees Really Save the Planet? Kim, M.S. The seedlings are planted very densely20,000 to 30,000 per hectares as opposed to 1,000 per hectare in commercial forestry. All Rights Reserved Design & Developed By:: RINJAcom, For enquary We can help:: +233 (0) 24-611-9999. Many restoration projects focus on individual sites, and dont take the surrounding areas or the Theres a misconception about rainforests being undervalued, and thats not the case at all their value is recognized but it is over-exploited for short-term gains in totally unsustainable ways. ; Sahayam, A.C. Microwave assisted extraction of Cr(III) and Cr(VI) from soil/sediment combined with ion exchange separation and Inductively Coupled Plasma Optical Emission Spectrometry detection. We use cookies on our website to ensure you get the best experience. Nanang Sujana, CIFOR. Karna, R.R. They describe the threats to tropical forests and explain four different concepts of "reversing forest degradation": Reforestation (or afforestation), Reclamation, Rehabilitation, and Restoration. ; Chen, B.; Shen, Z. Utilization of river sediment, sewage sludge and wheat straw as the primary raw material in sintered-shale bricks. At regional to country scales, methods have been progressively developed to detect and map forest ; Tang, C.W. An official website of the United States government. ; Yuan, P.; Cui, X.Y. The goal of this symposium is to present some of the topics and debates connected to tropical restoration and reforestation, to help sharpen our thinking about what works under what conditions, and why. ; Hayes, M. An alternative to Portland Cement for waste encapsulation-The calcium sulfoaluminate cement system. Rapid determination of total metals: Synergic effect of ultrasound energy and ionic liquids on the digestion of sediment samples. Chen, Q.Y. Toxics. Ruston, LA: Southern Forest Tree Improvement Committee: 2. WebHere, we evaluated the ability of "tree islands" to serve as "recruitment foci" in a two-year study at three sites in northern Honduras. Ecol Appl. WebThe authors describe the structure, complexity, and dynamics of tropical rainforest ecosystems. ; Alguacil, F.J.; Padilla, I.; Guerrero, A. ; Wu, J.Q. 2022-07-19 Symposium: Tropical Restoration-Reforestation Pros and Cons The goal of this symposium is to present some of the topics and debates connected to tropical restoration and reforestation, to help sharpen our thinking about what works under what conditions, and why. ; Burchett, M.D. This method generally requires long treat time and the remediation effect is not very stable. ITHAKA. ; Zhao, L.Y. They also house 80 percent of our terrestrial biodiversity, Despite international efforts, the loss of tropical primary forests persisted over the past decade. Some of these areas have gone back to being forests, but a large amount of these degraded forests located in tropical and subtropical regions are suitable targets for ; Saltus, C.L. Immobilization efficiencies were more than 98% for metals over 100 days. ; CHen, Y.H. Identifying high-risk areas, supporting emergency response, and recovering damages from physical events such as vessel groundings all play a role in reducing damage to Official websites use .gov While we can never completely stop the heinous acts of arsonists or the criminally negligent, we can do something about the growing risk of catastrophic fire if we have the will and dedicate the resources to do so. Horvth, M.; Halsz, G.; Kucanov, E.; Kucikov, B.; Fekete, I.; Remeteiov, D.; Heltai, G.; Flrin, K. Sequential extraction studies on aquatic sediment and biofilm samples for the assessment of heavy metal mobility. Epub 2014 Jun 28. And from that day on, his fate was sealed. 2014 Mar 4;9(3):e90573. What we need to get at is sustainable, long-term solutions that value keeping tropical forests standing, presses Houlihan. document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Sharma volunteered to help place over 32,000 native trees and plants like neem, mango, and teak into the otherwise industrial landscape. ; Xiao, S.T. and transmitted securely. In: Adams, Joshua P., ed. ; supervision, B.W. But importing these amphibians helps spread diseases like Bsal and Bd to native populations. Lindquist ES, Krauss KW, Green PT, O'Dowd DJ, Sherman PM, Smith TJ 3rd. The leached concentration of Cd, Cr, Cu, Ni, and Zn decreased by more than 80%. ; Souza, I.D.C. Vinatoru, M.; Mason, T.J.; Calinescu, I. Ultrasonically Assisted Extraction (UAE) and Microwave Assisted Extraction (MAE) of Functional Compounds from Plant Materials. ; Afridi, H.I. WebCuban music was heavily influenced by the large Spanish and African populations. Removal levels (4.416%) were not as high as expected. About 50 to 100 local plant species from the above four categories are selected and planted as seedlings in a random mix like you would find growing naturally in the wild. Phytoremediation can achieve good results but the pre-treatment will increase the volume of sediment substrate by about 2030%. The site is secure. ; Spiga], D. Electrokinetic remediation of metal-polluted marine sediments: Experimental investigation for plant design. Effects of Complexes and pH Buffer Solution in Electrokinetic Oxidation Treatment on Sediments Chromium Removal. eCollection 2014. About 75 percent of California's drinking water originates in forest watersheds. The .gov means its official. The leaching of each metal has to be lower than limits imposed by legislation. Yi, Y.M. Feature papers represent the most advanced research with significant potential for high impact in the field. Using this four-category system, along with his surveys of these sites and his knowledge of PNV and phytosociology, Miyawaki designed his own system for planting forests. The recoveries were 8098% with the microwave-assisted and 79103% with ultrasonic-assisted, respectively. A total of 543 seedlings and 41 species established in islands; > 85% were zoochorous. Mamatha, P.; Venkateswarlu, G.; Swamy, A.V.N. Falciglia, P.P. Part II: Durability of materials. ; Baig, J.A. Susan G. Letcher Carbon sponges. Gong, X.; Huang, D.; Liu, Y.; Zeng, G.; Chen, S.; Wang, R.; Xu, P.; Cheng, M.; Zhang, C.; Xue, W. Biochar facilitated the phytoremediation of cadmium contaminated sediments: Metal behavior, plant toxicity, and microbial activity. EDDS, HPC, HA, iron colloids, ultra-pure Milli-Q water, Soap and NaCl. Unable to load your collection due to an error, Unable to load your delegates due to an error. Yuan, L.; Liu, D.; Tian, B.; Yuan, X.; Bo, S.; Ma, Q.; Wu, W.; Zhao, Z.; Zhang, L.; Keesing, J. The Healthy Forests Initiative does that with a plan that has the consensus support of scientists, wildlife biologists and professional foresters. WebForests are important to maintain the ecological balance Forests can increase the overall quality of life for people Trees can help to store the rainwater Ecotourism as source of Donor Privacy Policy 2023. Ji, Z.; Pei, Y. Bibliographic and visualized analysis of geopolymer research and its application in heavy metal immobilization: A review. Animals perish and lose critical habitat when fires ravage landscapes. The main advantage is the higher spatial resolution. Yan, Y.; Lu, Y.; Gao, J.L. Species are being lost at an alarming rate. WebIf you manage development funds, consider that tropical forest restoration can benefit people, reduce biodiversity loss, and reduce climate risk at the same time. Toxics 2023, 11, 207. Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. The maximum content of heavy metals were much lower than the respective contamination limits set by US EPA. Privacy Policy It looked at the financial benefits of sustainable industries in the Amazon, like rubber tree farming and Brazil nut farming. Much headway is being made with longleaf pine restoration, for example, using this model. ; Afridi, H.I. Deforestation takes place to turn forests into agricultural land for the production of commodities like palm oil and cattle, for mining, or to make way for new infrastructures like roads and dams. Preventing forest loss is only part of the climate solution. ; Wang, Y.H. State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China. WebRain forest restoration holds much promise in helping to conserve biodiversity and ecosystem services, but is not a substitute for preserving intact forest. Zhou, S.; Zeng, X.; Zhang, P.; Zeng, G.; Wu, Z.; Li, J. Generally, physical-chemical approaches are considered to be more effective and biological strategies are more environmentally friendly. Accordingly, methods to accelerate forest recovery must address multiple impediments. Here, we evaluated the ability of "tree islands" to serve as "recruitment foci" in a two-year study at three sites in northern Honduras. The remediation of heavy metals contaminated sediment. Santos, E.; Ferro, S.; Vocciante, M. Chapter 5: Electrokinetic remediation. The highest removal efficiency of Zn (39%) was in HPC leached samples and Cu (33%) in EDDS leached samples. ; Provis, J.L. ; Lista, A.G.; lvarez, M.B. Tel: +27 (0) 11 075 5025 Construction-grade cement production from contaminated sediments using Cement-Lock technology. sharing sensitive information, make sure youre on a federal Krcmar, D.; Varga, N.; Prica, M.; Cveticanin, L.; Zukovic, M.; Dalmacija, B.; Corba, Z. Despite being less than 10% of the world's landmass, rainforests are unequivocally at the heart of the battle against climate change. The effect of cement and rice husk ash on the compressive strength and leachability of artificially contaminated stabilized sediment.