نتایج جستجو برای: zld
تعداد نتایج: 35 فیلتر نتایج به سال:
مدیریتزیرآبه برج های خنک کن یکی از موضوعات اساسی در بهره برداری از آنها می باشد که معمولاً برای رسیدن به استانداردها و قوانین ملی و بین المللی نیاز به تصفیه دارد. روش های معمول مدیریتزیرآبه شامل دفع به آب های سطحی و زیرزمینییا واحدهای تصفیه فاضلاب؛ و سیستم بدون دفع مایع (zld) می باشد. در مقایسه با سایر روش ها، zld ترجیح داده می شود، زیرا علاوه بر کاهش اثرات زیست محیطی نیروگاه ها و پالایشگاه ها، ...
Environmental context Reverse osmosis (RO) is widely used for the treatment of hazardous wastewaters produced from coal chemical industry (CCI) to achieve zero liquid discharge however use RO inevitably results in accumulation refractory organic matter membrane concentrate, which challenging. This work provides useful insights into composition concentrates obtained a range real CCI wastewaters....
Management of in-land reverse osmosis (RO) desalination brines generated from surface brackish waters is a current challenge. Among the different near-Zero and Zero Liquid Discharge (ZLD) alternatives, Membrane Distillation (MD), in which transport water thermally driven, appears as an attractive technology if residual heat source available. The aim this study was to identify limits Direct Cont...
Abstract In addition to the production process, be able compete with competitors, companies must also pay attention inventory and manage it. This is because plays an important role in company activities. research aimed at increasing efficiency of management procurement raw materials. The data used form historical on company's material consumption for 2021 from results report documentation. anal...
Desalination is still a rather energy intensive process, and also associated with the discharge of highly saline chemically contaminated brine; both these factors detract from sustainability desalination process. Fortunately, issues can be addressed by developing zero-liquid (ZLD) processes that powered low-grade (LG) heat sources. The objective current work to improve upon world's first commer...
DWTP RO brine disposal options have been studied in this work in terms of technical and economic feasibility. Different pretreatment sequences combining acidification and aeration were carried out and evaluated batchwise in a plate and frame DCMD system at feed and permeate temperatures of 54°C and 21°C respectively. Results showed that acidification provides a simple and inexpensive process in...
qualities). On the same basis physical methods are additionally prescribed, such as dry-cupping of the neck, or massage of the head with warm oils (thereby offering modern "aromatherapy" a much-needed "rationale"). This is indeed a "fine" edition in the scholarly sense, including variant readings, glossaries, ample notes and bibliography, which are matched by the quality of its design and types...
در مناطق وسیعی از ایران آب شور وجود دارد که با استفاده از روشهای مناسب تصفیه مانند اسمز معکوس (RO) تصفیه میگردد ولی پساب بسیار شور و غلیظ RO که دفع آن به صورت روزافزونی دشوار شده است، باید مدیریت شود. پساب سیستمهای RO به تدریج در حین تصفیه آب، غلیظ و از املاح کربنات کلسیم، سولفات کلسیم، سولفات باریم و سیلیکا فوق اشباع میشود. بنابر این برای استفاده مجدد از این پساب باید به دنبال فرآیندهایی ب...
Genomics has revolutionized biology, enabling the interrogation of whole transcriptomes, genome-wide binding sites for proteins, and many other molecular processes. However, individual genomic assays measure elements that interact in vivo as components of larger molecular machines. Understanding how these high-order interactions drive gene expression presents a substantial statistical challenge...
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