阐述了从废TDI氢化触媒中回收贵金属钯的工艺方法。
The paper described the process method of recovering the metal palladium from waste TDI hydrogenation catalyst.
又提出了废催化剂中贵金属钯回收的技术方案及其原理。
Moreover, the technical plan and the principle of retrieving the rare metal, palladium, from the waste catalyst are introduced.
结果表明在双金属钯催化剂上,草酸二甲酯的空时收率高于草酸二乙酯的空时收率。
The results indicated that the space time yield of DMO was higher than that of DEO over the supported palladium catalysts.
作为不对称变色酸双偶氮试剂的二溴硝基偶氮氯膦与金属钯可发生显色反应,而与同属铂系元素的其他五种金属的显色反应并不明显;
DBNCPA of asymmetry acid bis-diazo reagent have the color reaction with the metal palladium, but have not obvious color reaction with other five kind of metal elements of the platiniridium.
在去年大部分金属的价格攀升后又纷纷下跌的同时,铂金和钯的价格则一直蒸蒸日上。
While last year's rally in metal seems to have petered out, prospects for platinum, along with palladium, remain bright.
它被用作催化剂,也用于硬化其他相似金属,如铂,钯。
It is used as a catalyst and to harden those other similar metals, platinum and palladium.
钌:像铂和钯一样,钌是一种不易变色的银白色金属。
Ruthenium (ru) : Like platinum and palladium, ruthenium is a silvery metal that does not easily tarnish.
生产降低,意味着对钯和铂的需求将减少,这两种金属主要用于生产汽车的催化转换器。
Lower production also means less demand for palladium and platinum, used in the production of catalytic converters.
除了氢气能穿过钯和铁之外,气体穿过金属的透气常数是可以略而不计的。
The permeation constant of gases through metals is negligible except for hydrogen through palladium or iron.
大部分天然银金矿含有铜、铁、钯、铋,可能还有其它金属。
Most natural electrum also contains copper, iron, palladium, Bismuth, and perhaps other metals.
回收品种涉及20多种金属,包括:金、银、铂、铑、钯。
Recovers approximately 20 metals including: gold, silver, platinum, rhodium and palladium.
云南某地铂钯矿是迄今已探明的中国最大的铂族金属矿床。
The platinum palladium mine at somewhere in Yunnan province is so far China's revealed the largest independent platinum group metals ore deposit.
金属包括镍,钯和银再这段时间内上涨12-13%。
Metals including nickel, palladium and silver have gained 12-13% during this timeframe.
在光催化过程中一个值得注意的因素是贵金属的回收,包括:铂,金,铑,银和钯。
A noteworthy factor in the photocatalysis process is the recovery of precious metals, including: platinum, gold, rhodium, silver and palladium.
在迄今所知的金属-氢体系中,钯氢体系的同位素效应最强,因此,钯被广泛用于氢同位素处理工艺中。
Palladium-hydrogen system has the largest isotope effect in the metal - (hydrogen) systems so far as we know, so palladium is widely used in hydrogen isotopes (disposal) technology.
以镍、钴、钯镀层作为铜基体镀金的防渗铜中间层可以有效地防止铜原子扩散到金属表面。
Nickel, cobalt and palladium electrodeposits used as barrier layer between copper basis and gold deposit can effectively reduce migration of copper atom to gold upper deposit.
开发金属合金载体,以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。
Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC.
那块水晶的特点一个美丽的毕业颜色成品与黑色丝带系和一个凹槽金属圆盘在钯镀层中心。
The piece features a beautiful graduation of crystal colors finished with a black silk ribbon to fasten and a grooved metallic disc centerpiece in palladium plating.
以N2,O2作载气,通过催化增强化学蒸气沉积(CECVD)分别制得在聚酰亚胺上的金属铂、钯及其合金薄层。
Pd, Pt and their alloy films on polyimide were prepared by Catalyst-Enhanced Chemical Vapor Deposition (CECVD) under the carrier gas (N2, O2).
后过渡金属镍、钯烯烃聚合催化剂在催化单一原料乙烯制线性低密度聚乙烯、催化乙烯和极性单体聚合方面具有突出的优势。
The nickel and palladium catalysts have extrude advantage in catalyse singleness ethylene to manufacture LLDPE and catalyse copolymerization of ethylene and polar monomer.
所拟方法用于铜镍合金、贵金属氯化渣、贵金属高锍中钯的测定,获得满意结果。
The proposed method has been applied to the determination of palladium in Cu-Ni alloys, chloride residue of noble metals and sulfonium compound of noble metals with satisfactory results.
尽管钯在制药过程中很重要,但是药物中存在钯是有毒的,这意味着需要严格的化学检测手段来探测这些金属。
Although crucial in drug development, residual palladium in pharmaceuticals can be toxic, which means stringent chemical analysis is required to find this metal.
研究人员表示,在有关钯以及硒的有机分子耦合反应中,他们获得了金属晶体某些催化作用的初步结果。
"We have some preliminary catalytic results, " Shin said, involving "coupling reactions of organic molecules for palladium and UV-irradiated degradation of organic dyes in water with selenium metals.
所用的催化剂是由氯化钯和三氯化铁加上第一主族元素的氯化物中的一种组成三金属体系。
The catalyst used is one three-metal system including palladium chloride, ferric chloride and the chloride of one first main group element.
以工业应用为背景,研究了CO在钯系双金属催化剂上气相催化偶联合成草酸二乙酯的动力学特性。
The kinetic characteristics of catalytic coupling of carbon monoxide to diethyl ox-alate m gaseous phase on Palladium catalyst were studied on the basis of industrial application.
以工业应用为背景,研究了CO在钯系双金属催化剂上气相催化偶联合成草酸二乙酯的动力学特性。
The kinetic characteristics of catalytic coupling of carbon monoxide to diethyl ox-alate m gaseous phase on Palladium catalyst were studied on the basis of industrial application.
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