ويركزمعهد بحوثالعامة لليمينغ الصناعة الثقيلةفي مجال البحوث وتطوير التكنولوجيا المتقدمة والمنتجات الموجهة لصالح العملاء، فضلا عن بناءالقدرة التنافسية الجوهريةليجعل يمينغالصناعة الثقيلةرائدةفي هذه الصناعة.من خلال توفيرنتائج البحوثالأساسية، ويدعم المعهديمينغالصناعة الثقيلةالتكنولوجيا والمنتجات لتكون أعلىمنهافي العالمالقائمة.
معهد بحوثالعامة لليمينغ الصناعة الثقيلةهيقسم البحث والتطويرالأوليةللبحوثالتقنيةوالإدارة التقنية. وهي مسؤولة عنتطوير التكنولوجياالمطبقة علىيمينغجميع المنتجات، وإجراء البحوث الفنيةمقدمةعلى المنتجات الجديدةووضعالمعايير؛البحثالاهتزاز، والأثر، والضوضاء، والتكنولوجيا الهيدروليكية، والمطابقة الطاقةوتوفير الطاقة، والمواد الجديدة، وأنظمة التحكم، وخلق تكنولوجياتمبتكرة ومنتجاتحمليوبناءمنصة علىشبكة خاصةوعامةللتجاربوالاختباراتوذلك لتبادل التجربةالعامة ونتائج الاختبار.
Generally, nickel is likely to coexist with other impurity metals in the above industrial waste, especially lead, due to the decline in natural ore grade or the actual production needs and therefore it is highly required to remove lead impurity from both Thus, in this work, CaCO 3 was activated by a simple wet mechanical ball milling process to achieve efficient and selective separation of lead and nickel ions from Efficient removal of lead impurity for the purification and recycling
Deep lead removal from anodic electrolyte of nickel electrolysis [J] Chinese Journal of Engineering, 2010, 32 (1): 5560 doi: 1013374/jissn1001053x201001016 PDF ( 689 When using the sulfur route for decopper, nickel is usually removed from the lead melt as well The third stage or softening stage, is based on the Harris Process Pyrometallurgical Processing of Secondary Lead Material:
As in smelting, the lead is first melted and again allowed to cool below the freezing point of copper, which crystallizes and, along with any remaining nickel, cobalt, and zinc, is removed by skimming The lead mix then in removing lead from nickel electrolyte such as low ad sorption capacity of resin, low adaptability of resin, low exchange rate and production efficiency Thus, it is still a key Study on Removal of Trace Lead from Nickel Sulphate Solution
A Chinese study showed reduction of hexavalent chromium by MDC method by 751% (An et al 2014 ) In this study, the removal of nickel (Ni) and lead (Pb) The percentages of nickel and lead ions adsorbed were observed to increase from an initial percentage adsorption (%) of 2470 ± 020 and 2972 ± 002 to an The removal of nickel and lead ions from aqueous
Wastewater containing heavy metal ions such as lead should be treated for cleanup before discharge to environment This work reports new nanomaterials of Applied voltage is one of the most important operating parameter in electrodialysis (ED) process On the removal of heavy metals of copper, lead and nickel from solutions has been studied to(PDF) INFLUENCE OF VOLTAGE IN ELECTRODIALYSIS PROCESS ON TREATMENT OF
In the reduction stage of the secondary copper production process, copper, nickel, lead, and tin are collected in a “black copper”, while zinc is volatilized and precipitated as ZnO in the flue dust The slag coming from this reduction stage is low in valuable metals and is disposed In the conversion stage, lead and tin are oxidized and incorporated in the slag Restrictive requirements for maximum concentrations of metals introduced into the environment lead to search for effective methods of their removal Chemical precipitation using hydroxides or sulfides is one of the most commonly used methods for removing metals from water and wastewater The process is simple and inexpensive Removal of Heavy Metal Ions from Water and Wastewaters by
nickel electrolysis processes are particularly attractive because they use sidestream purification of process solutions to improve the purity of nickel metal Additionally, nickel purification by electrolysis is effective in a variety of electrolyte systems, including sulfate, chloride, and nitrate Conventional electrorefining processesLead is mostly extracted from galena (PbS; lead sulfide) by the roasting process which also generates plenty amount of Pb(II) contaminated wastewater [14] Download : Download highres image (356KB) Download : Download fullsize image; Fig 1 Different types of industrial activities which generate huge amount of Lead contaminated A critical review on lead removal from industrial wastewater:
the traditional purification process a lot of residues con taining nickel produced, decreases the direct recovery of the metal ~J Therefore, many researchers made research es for removing trace lead from nickel electrolyte with ion exchange method [21 In 1970's Shanghai smelter madeNickel Nickel is silverywhite hard, malleable, and ductile metal It is of the iron group and it takes on a high polish It is a fairly good conductor of heat and electricity In its familiar compounds nickel is bivalent, although it assumes other valences It also forms a number of complex compounds Most nickel compounds are blue or greenNickel (Ni) Chemical properties, Health and Environmental effects
Purpose and aim The present study provides an optimization of electrocoagulation process for the simultaneous removal of heavy metals such as mercury, lead, and nickel from water In doing so, the thermodynamic, adsorption isotherm and kinetic studies were also carried out Materials and methods Magnesium alloy, All chemical materials, including phosphate buffer, nickel (II) chloride hexahydrate, lead (II) nitrate, sulfuric acid, sodium hydroxide were purchased from Merck Analytical methods The quantity of removed metals in each sample was measured by atomic absorption spectrometric device (Younglin AAS 8020 manufactured by YL Removal efficiency of nickel and lead from industrial Springer
In the reduction stage of the secondary copper production process, copper, nickel, lead, and tin are collected in a “black copper”, while zinc is volatilized and precipitated as ZnO in theApplied voltage is one of the most important operating parameter in electrodialysis (ED) process On the removal of heavy metals of copper, lead and nickel from solutions has been studied to(PDF) INFLUENCE OF FLOW RATE ON THE REMOVAL OF COPPER, LEAD AND NICKEL
Other articles where Parkes process is discussed: Alexander Parkes: This procedure, commonly called the Parkes process (patented in 1850), involves adding zinc to lead and melting the two together When stirred, the molten zinc reacts and forms compounds with any silver and gold present in the lead These zinc compounds are lighter than the lead from the leach solutions by cementation process using nickel matte, iron are removed from leach solutions by selective precipitation process using chlorine gas and cobalt are separated from nickel chloride leach solutions by solvent extraction process The final process is nickel electro winning At this process nickel is deposited fromPAPER OPEN ACCESS 1LFNHOH[WUDFWLRQIURPQLFNHOPDWWH
In the reduction stage of the secondary copper production process, copper, nickel, lead, and tin are collected in a “black copper”, while zinc is volatilized and precipitated as ZnO in the flue dust The slag coming from this reduction stage is low in valuable metals and is disposed In the conversion stage, lead and tin are oxidized and incorporated in the slag The process involves four major operations: removal of copper, recovery of sulfuric acid, removal of impurities, and recovery of nickel (Fig 6 ) In the first stage, electrolyte is withdrawn from the electrorefining tanks in the tankhouse and the copper is removed in electrolytic cells using insoluble anodes and copper start sheetsSustainable Developments in the Nickel Recovery Process
Precipitation is a process of leading pollutants, which are dissolved or suspended in solution, to form a solid precipitate which can be later separated from the liquid The ions and particles can be easily removed with a large precipitate Coagulants such as polymers are used in order to gather the small suspended particles into largerStep 3: Finally, you can use electrolysis to separate nickel and copper This process passes an electric current through two electrodes submerged in an electrolyte solution containing both metals The electrical current causes one metal (in this case, nickel) to be deposited onto one electrode while the other metal (copper) remains in Separating Nickel from Copper 3 Easy Steps ThePipingMart Blog
In this process, nickel is reacted with carbon monoxide in the presence of a sulfur including nickel brasses and bronzes and alloys with copper, chromium, aluminium, lead, cobalt, silver, and gold (Inconel Most nickel absorbed by humans is removed by the kidneys and passed out of the body through urine or is eliminatedSamples of INCONEL 718 were levitated and melted in a slag by the application of an electromagnetic field The effects of temperature, time, and slag composition on the inclusion content of the samples were studied thoroughly Samples were compared with the original alloy to study the effect of the process on inclusions Size, Removal of Nonmetallic Inclusions from Nickel Base Superalloys
The recycling process is simple and 70 percent of the battery’s weight is reusable lead Over 50 percent of the lead supply comes from recycled batteries Other battery types are not as economical to recycle and are not being returned as readily as lead acid Several organizations are working on programs to make the collection of all
