高效去除聚合物支持的纳米水合铁(Ⅲ)氧化物:重金属行为和XPS研究 摘要:本研究开发了一种聚合物为基础的混合型吸附剂(重油- 001)高效去除重金属[例如,铅(II),镉(Ⅱ)和铜(Ⅱ)不可逆转地浸渍水合铁(三] )氧化物(重油)纳米粒子在阳离子交换树脂的D - 001(的R - SO3Na无纺布),揭示其机制的X射线光电子能谱(基于XPS)的研究。重油- 001结合了出色的处理,流动特性,传统和自然减员的阳离子交换树脂抵抗的HFOs对重金属离子的具体亲和力。相比为D - 001,对铅的吸附重油- 001选择性(二),铜(Ⅱ),镉(Ⅱ),是有很大的Ca(二)在较为集中的竞争改善。柱吸附结果表明,重油- 001的工作能力三个方面的重金属去除约4-6倍以上的D - 001从模拟电镀水(pH值〜4.0)。此外,重油- 001是跟踪,特别是在消除从模拟自然水域铅(II),镉(二)符合饮用水标准的有效,数量级高于D - 001处理量的订单。对重油- 001性能优越的原因是唐南膜的影响东道国的D - 001以及具体的相互作用产生浸渍重油粒子对重金属离子,进一步对铅吸附的XPS研究证实。更有吸引力,疲惫的重油- 001能有效地再生珠的盐酸,氯化钠溶液(pH 3)无任何重大的重复使用能力的丧失。 1。简介:到水体仍然是一个重要的环境问题,重金属的排放,现在正越来越多地作为新的监管法规限制,以推动金属污水每十亿分之一(ppb),甚至更低的水平(美国环保局,2004年中国环保局,2008 )。在重金属去除现有的技术,碱性沉淀历来为每百万次会议部分的首选技术(百万分之一的微量金属[例如)监管水平,铅(Ⅱ),镉(Ⅱ)等]的直废水排放点源,然而,这项技术通常仅限于≥1百万分之由于非晶态金属氢氧化物阶段和商业固液分离装置(代尔等有限的溶解度低效率的污水浓度。,1998年,2003年)。利用离子强酸性阳离子交换树脂的交换是另一个对工业废水(东布罗夫斯基等重金属有效去除效率的技术。,2004年;康等人。,2004年; Kurniawan等。,2006)或受污染的地下水(Vilensky等。,2002年;东布罗夫斯基等。,2004)。然而,一个简单的离子交换过程只有通过静电作用和非特异性驱动的重金属去除(德米尔巴什等。,2005年;卡莫纳等。,2008)。
一般程序为sulfoxidation 。催化剂的前兆2 ( 6.3毫克, 0.02 mmol )被解散, [ bmim ] pf6 ( 0.5毫升) 和甲醇( 3.2毫升)在20 ml安瓿。硫化物( 1 mmol ) 接着其次是过氧化氢( 30 % ,水) ( 170 íl ) 。该反应搅拌为在给定的时间(反应其次是薄层色谱法)后,甲醇被拆除和残余离子液体提取,用乙醚(三一五毫升) 。合并醚层治疗钠连二和水洗(三一○毫升) 。乙醚阶段是干超过硫酸钠,过滤,并集中在真空中。那个产品纯化常规或biotage闪光色谱法。 对甲苯基甲基亚砜( 8 B条) 。孤立的产量1 h后的反应时间, 78 % 。核磁共振数据,在根据这些以前reported.4转换(图3 )确定由气相色谱分析反应混合物:的TR (甲苯基甲基硫醚) ) 12.7分钟;的TR (甲苯基甲基亚砜) ) 17.2分钟。 一般程序为回收的离子液体催化剂体系。催化剂的前体2 ( 6.3毫克, 0.02 mmol ) 被解散, [ bmim ] pf6 ( 0.5毫升)和甲醇( 3.2毫升)在20 ml安瓿。硫化物( 1 mmol )当时说,其次是过氧化氢( 170 íl ) 。反应搅拌为在给定的时间(反应,其次是薄层色谱法)后,其中甲醇被删除,剩余的离子液体中提取二乙酯基醚(三一五毫升) 。合并醚层治疗连二亚硫酸钠和水洗( 10毫升) 。水相回到提取用乙醚(三一○毫升) 。合并醚阶段干燥超过硫酸钠,过滤,并集中在真空。该产品被孤立的由Flash色谱法。那个离子液体相后,再用蒸发,其余乙醚。硫化物( 1 mmol )和过氧化氢( 1.5 equiv )补充说: 之后,除了甲醇( 3.2毫升) 。
中文:安全对于每个人来说都不会陌生,而对一个化工企业来说,它包含的意义尤为深刻。我们天天都在生产一线,时时处处谈到的都是安全,它带给了我们企业发展的美好前景,同时又凝聚了太多人的牵挂和责任,每一个化工企业的建设者都能感受到这份责任的重大。我小时候生活在矿区,安全给我的第一课,便是孩提时天天见到母亲伫立街头焦急地等待不能按时下班归来父亲的情景,父亲的每一次平安归来都包含了全家人的深深牵挂,而母亲那翘首以盼的身影成了记忆中永远抹不掉的回忆。 长大后我背负着父母的期望,怀揣着自己的梦想迈入化工企业这个特殊的行业,成为一名光荣的电气工人。参加工作后,耳濡目染了许许多多的安全生产事例,我深深感受到安全所带来的深刻含义。安全就意味着责任,一个人的安全不仅是对自己负责,更多地是对关心你的家人负责;安全又等同于效益,我们更能体会到安全生产带给化工企业的勃勃生机。 这么多年来发生在我身边太多的安全事故,无论是亲眼看到被电弧烧伤的两位同事,还是造气炉爆炸压死的同事父亲,还有被氧压机皮带轮夹死的同事姑姑,没有一件不令人痛心疾首。厂里曾举办过安全教育图片展,所陈列的是兄弟单位发生的各种事故图片。照片一张张触目惊心,惨不忍睹,车祸身亡,高空坠落残废,被电弧烧伤,一段段文字都是血与泪写就的教训。每当夜幕降临,望着万家灯火,霓虹闪烁,我就会感慨万千。这美妙的夜景凝铸着无数企业职工的心血与汗水,冥冥之中我也在默默为一些永远远离这些繁华的生命惋惜痛心。他们就如同这浩瀚星空陨落的一颗颗流星,只在一瞬间就消失在了人们的视线中。在年复一年的工作中,我深深感到:如果说还有什么可以和幸福等同的话,我会毫不犹豫地回答——安全!虽然是两个普通的字眼,但却联系着千家万户,涉及到我们每个人,因此它在每个人的心中有着不同的分量。 安全是一项长期、艰巨、复杂的系统工程,不仅是企业生产的薄弱环节,同时也直接影响着家庭的安危。2004年来到神木化工这个新建的企业,作为班长,我更加感到安全生产,责任重大,因为我所带领的是一批刚刚毕业的学生。看着他们一张张年轻的面孔,让我想起刚参加工作时发生在我自己身上的一起电弧短路事故,虽然没有给我的脸上留下痕迹,但却是当头棒喝,将我从安全意识淡薄的悬崖边上打了回来。我给他们讲发生在我身边一例例血的教训,因为公文写作一时的疏忽和麻痹而付出的代价往往是惨痛的,而那些侥幸者,他们虽在抢救之下活了下来,可他们的身体和心灵却留下了难以弥补的创伤和痛苦。痛定思痛,从一幕幕血的教训中我们应该树立一个正确的、坚强的安全意识。 曾给他们讲看过的一篇文章,至今还记忆犹新,某火电公司在一化工工厂施工时,一位日本专家曾这样说施工人员:“你们中国人的确有不怕死的可贵精神,在施工现场有不戴安全帽的现象。在日本,厂长,经理开会时安全帽都系得紧紧的。”这是对违章现象的莫大讽刺。它一针见血地言明了一些人安全意识的淡薄与无知,对自己的轻视就是对家庭和社会的犯罪。安全的警钟要常鸣,奉劝可叹的“勇士们”,收起你的蛮干和无知吧!有人说:安全生产的难点在我们自己,在我们自身的安全意识。仔细想想不无道理今天。“安全生产月”活动的展开,《安全生产法》的颁布实施,“两票三制”的严格执行……,这不都是为了搞好安全生产,领导和职工们用血的教训组成的努力与决心。安全的隐患像一只狡猾的狐狸,隐藏着、等待着、观望着我们的违章行为,伺机侵吞我们健康的生命。“在岗一分钟,安全六十秒”,我们每个人都应该做到这一点。在工作岗位上的每一分钟,我们不仅要做到保证自己的人身安全、同时要保证自己所辖的电气设备和电网的安全。 谁都清楚,灿烂的青春之花,会在安全的沃土上开的绚丽多姿,也会因事故的肆虐变得淡然无光。展望未来,我们每个人该走的路还很长,肩负的责任也很重。在新形势、新目标下,我们的一举一动应当更稳健更成熟。当我们看见红艳艳的骄阳拔地而起,金色的沙漠上管道纵横……,每一个静止的、运动的生命体都被渲染的蓬勃、美丽。我们一定会情不自禁地感叹:生命竟是如此美丽而精彩!然而,有两个字是至关重要的,因为如果没有这两个字的相拌相依,我们将无法感受和拥有这美好的一切,这就是安全!英文:Security for everyone are not unfamiliar, while a chemical enterprise, meaning it contains especially profound. We are in the production line every day, always and everywhere are talking about safety, it gives a better development of our business prospects, while the combination of too many people's concerns and responsibilities, each of the builders of a chemical company can feel The major responsibility. I was a child living in the area, security to my first lesson is to see the mother of a child standing on the streets every day, anxiously awaiting the return from work on time and the scene of his father, his father's safe return are included each person who cares deeply about the family ,The mother figure that has become highly anticipated not erase the memories of memory forever. I grew up saddled with the expectations of parents, carries his own dreams into this particular industry, chemical industry, to become a glorious electrical workers. To work, the monasteries of the many examples of safety, I deeply felt the profound security implications. Responsibility for security means that a person's security is not only responsible for myself, more concern for your family is responsible; safe and equal effectiveness, we can better understand the chemical safety to bring the vitality of enterprises. Happened around me over the years too many accidents, whether it is witnessed by two colleagues arc burn, or crushed to death in gas stove exploded colleagues father, oxygen compressor pulley to death by colleagues aunt, No one is not very bitter. Factory safety education have been held in the exhibition, the display is a sister unit to accidents occurring images. A picture of startling photographs, appalling, tragic death, crippled by falling, being arc burn, a section of text is written in blood and tears of the lesson. When night fell, watching the myriad of twinkling lights, neon lights, I would be filled with emotion.This wonderful night coagulation casting numerous blood and sweat of enterprise workers, somewhere I have also never far away in silence for some sorry sad lives of these downtown. They like the vast sky fallen out one meteor, only to disappear in a flash in the people's sight. Work year after year, I deeply feel: If there is anything to with happiness, I would not hesitate to answer - safe! Although they are two common words, but contact with the families, and involves each of us, and that in every human heart has a different weight. Security is a long-term, arduous and complicated systematic project, not only weak link in production, but also a direct impact on the family's safety. Chemical Engineering in 2004 came to this new enterprise Shenmu, as squad leader, I feel more safe production responsibility, because I have just led a group of graduate students. They looked at a picture of the young faces reminds me of the first job in my own body with the arc short circuit, although not to leave marks on my face, but it is the wake-up call, I will be weak from a security awareness cliff called back.I told them my side in case of patients with bloody lessons, because the document writing negligence and paralysis and is often painful price to pay, and those lucky who under the rescue, though they survived, their bodies can be and the mind is left irreparable trauma and pain. Bitter experience, the lessons from the scenes of blood, we should set a correct, strong safety awareness. Had given them read an article about, still fresh in my memory, a thermal power companies in the construction of a chemical plant, a Japanese expert has said construction workers: "You Chinese people are not afraid of death is indeed a valuable job in construction site with the phenomenon of not wearing helmets. In Japan, the director, manager, department meetings helmets are tight. "This is the great irony of squatter phenomenon. It is implicit sharply some people's weak sense of safety and ignorance, contempt for their family and society is crime. Chang-ming to the safety alarm, advise the regrettable "warriors", You put your reckless and ignorant it!Some people say: safety in our own difficulties, in our own safety. Think about it makes sense today. "Safety Month" activities started, "Safety Act" enacted "three-two votes" system of strict implementation of ... ..., this is not all to improve safety, leadership and staff have learned the composition of blood hard work and determination. Safety hazards like a cunning fox, hidden, waiting, watching our illegal acts, and await the misappropriation of our health lives. "In the post a minute, sixty seconds security", we all should doThis. In the workplace every minute, we not only have to do to ensure their personal safety while under the jurisdiction to ensure their own safety of electrical equipment and power grid. No one knows the youth of brilliant flowers, the fertile soil in the safe open and varied, the ravages of an accident will become indifferent light. Looking to the future, each of us to go a long way to go, shouldering heavy responsibility. In the new situation and new objectives, our actions should be more stable and more mature. When we see the bright red of the sun where they stand, vertical and horizontal pipes golden desert ... ... and every stationary and moving beings have been rendered prosperous and beautiful. We can not help but sigh: Life could be so beautiful and wonderful! However, the word is crucial,Because without these two words mixed phase dependent, we will not have this wonderful feeling and everything, this is safe!OK!!!望采纳!!!!!!
背景反应(在没有黄素2 )忽略所有的硫化物与反应时间和为氧化甲基对甲苯基硫化物反应监测与气相色谱法都与无催化剂2 。结果是,在图3 。回收的催化剂二是高效率和结果表明,与4种不同的sulfoxidations (计划3 ,表2 ) 。该反应来说,如上,但现在甲醇助溶剂蒸发完成后的反应和残余离子液相中提取的3倍,与10毫升的乙醚。余下的过氧化氢,在醚阶段是淬火与连二亚硫酸钠和醚相冲与10毫升的water.19水相,随后提取的3倍,与10毫升的乙醚。结果表明,该离子液体催化剂体系可循环再用多达7次的P -甲氧甲基硫醚( 9B条)无重大损失或者活动或选择性。结果,给出了在表2 。由于是明确的从回收实验中,催化剂停留在离子液体,并没有检出浸出催化剂的发生。该系统同样是活跃在第七届运行在首次运行。这是很重要的地注意到,该催化剂体系可存放在冰箱数天之间的运行既不分解,也不损失催化剂活性。这值得注意的是,自黄素催化剂通常是敏感的对autooxidative退化的解决办法。总括而言,我们已制定了一个温和的和稳健的催化体系sulfoxidation 。结合一electrondeficient黄素催化剂与使用1离子液体介质,导致一个有效率和稳定的制度。我们已经表明,各种硫化物可以有选择性氧化亚砜在良好的收益。结果表明,该催化剂在离子液体可以循环再用最多的7倍。选择性和产量并没有减少对循环再造,和唯一的产品获得理想的亚砜。高效率的固定化黄素二是最有可能是由于它目前作为其zwitterion形式,因此它是不提取醚。
中文:安全对于每个人来说都不会陌生,而对一个化工企业来说,它包含的意义尤为深刻。我们天天都在生产一线,时时处处谈到的都是安全,它带给了我们企业发展的美好前景,同时又凝聚了太多人的牵挂和责任,每一个化工企业的建设者都能感受到这份责任的重大。我小时候生活在矿区,安全给我的第一课,便是孩提时天天见到母亲伫立街头焦急地等待不能按时下班归来父亲的情景,父亲的每一次平安归来都包含了全家人的深深牵挂,而母亲那翘首以盼的身影成了记忆中永远抹不掉的回忆。 长大后我背负着父母的期望,怀揣着自己的梦想迈入化工企业这个特殊的行业,成为一名光荣的电气工人。参加工作后,耳濡目染了许许多多的安全生产事例,我深深感受到安全所带来的深刻含义。安全就意味着责任,一个人的安全不仅是对自己负责,更多地是对关心你的家人负责;安全又等同于效益,我们更能体会到安全生产带给化工企业的勃勃生机。 这么多年来发生在我身边太多的安全事故,无论是亲眼看到被电弧烧伤的两位同事,还是造气炉爆炸压死的同事父亲,还有被氧压机皮带轮夹死的同事姑姑,没有一件不令人痛心疾首。厂里曾举办过安全教育图片展,所陈列的是兄弟单位发生的各种事故图片。照片一张张触目惊心,惨不忍睹,车祸身亡,高空坠落残废,被电弧烧伤,一段段文字都是血与泪写就的教训。每当夜幕降临,望着万家灯火,霓虹闪烁,我就会感慨万千。这美妙的夜景凝铸着无数企业职工的心血与汗水,冥冥之中我也在默默为一些永远远离这些繁华的生命惋惜痛心。他们就如同这浩瀚星空陨落的一颗颗流星,只在一瞬间就消失在了人们的视线中。在年复一年的工作中,我深深感到:如果说还有什么可以和幸福等同的话,我会毫不犹豫地回答——安全!虽然是两个普通的字眼,但却联系着千家万户,涉及到我们每个人,因此它在每个人的心中有着不同的分量。 安全是一项长期、艰巨、复杂的系统工程,不仅是企业生产的薄弱环节,同时也直接影响着家庭的安危。2004年来到神木化工这个新建的企业,作为班长,我更加感到安全生产,责任重大,因为我所带领的是一批刚刚毕业的学生。看着他们一张张年轻的面孔,让我想起刚参加工作时发生在我自己身上的一起电弧短路事故,虽然没有给我的脸上留下痕迹,但却是当头棒喝,将我从安全意识淡薄的悬崖边上打了回来。我给他们讲发生在我身边一例例血的教训,因为公文写作一时的疏忽和麻痹而付出的代价往往是惨痛的,而那些侥幸者,他们虽在抢救之下活了下来,可他们的身体和心灵却留下了难以弥补的创伤和痛苦。痛定思痛,从一幕幕血的教训中我们应该树立一个正确的、坚强的安全意识。 曾给他们讲看过的一篇文章,至今还记忆犹新,某火电公司在一化工工厂施工时,一位日本专家曾这样说施工人员:“你们中国人的确有不怕死的可贵精神,在施工现场有不戴安全帽的现象。在日本,厂长,经理开会时安全帽都系得紧紧的。”这是对违章现象的莫大讽刺。它一针见血地言明了一些人安全意识的淡薄与无知,对自己的轻视就是对家庭和社会的犯罪。安全的警钟要常鸣,奉劝可叹的“勇士们”,收起你的蛮干和无知吧!有人说:安全生产的难点在我们自己,在我们自身的安全意识。仔细想想不无道理今天。“安全生产月”活动的展开,《安全生产法》的颁布实施,“两票三制”的严格执行……,这不都是为了搞好安全生产,领导和职工们用血的教训组成的努力与决心。安全的隐患像一只狡猾的狐狸,隐藏着、等待着、观望着我们的违章行为,伺机侵吞我们健康的生命。“在岗一分钟,安全六十秒”,我们每个人都应该做到这一点。在工作岗位上的每一分钟,我们不仅要做到保证自己的人身安全、同时要保证自己所辖的电气设备和电网的安全。 谁都清楚,灿烂的青春之花,会在安全的沃土上开的绚丽多姿,也会因事故的肆虐变得淡然无光。展望未来,我们每个人该走的路还很长,肩负的责任也很重。在新形势、新目标下,我们的一举一动应当更稳健更成熟。当我们看见红艳艳的骄阳拔地而起,金色的沙漠上管道纵横……,每一个静止的、运动的生命体都被渲染的蓬勃、美丽。我们一定会情不自禁地感叹:生命竟是如此美丽而精彩!然而,有两个字是至关重要的,因为如果没有这两个字的相拌相依,我们将无法感受和拥有这美好的一切,这就是安全!英文:Security for everyone are not unfamiliar, while a chemical enterprise, meaning it contains especially profound. We are in the production line every day, always and everywhere are talking about safety, it gives a better development of our business prospects, while the combination of too many people's concerns and responsibilities, each of the builders of a chemical company can feel The major responsibility. I was a child living in the area, security to my first lesson is to see the mother of a child standing on the streets every day, anxiously awaiting the return from work on time and the scene of his father, his father's safe return are included each person who cares deeply about the family ,The mother figure that has become highly anticipated not erase the memories of memory forever. I grew up saddled with the expectations of parents, carries his own dreams into this particular industry, chemical industry, to become a glorious electrical workers. To work, the monasteries of the many examples of safety, I deeply felt the profound security implications. Responsibility for security means that a person's security is not only responsible for myself, more concern for your family is responsible; safe and equal effectiveness, we can better understand the chemical safety to bring the vitality of enterprises. Happened around me over the years too many accidents, whether it is witnessed by two colleagues arc burn, or crushed to death in gas stove exploded colleagues father, oxygen compressor pulley to death by colleagues aunt, No one is not very bitter. Factory safety education have been held in the exhibition, the display is a sister unit to accidents occurring images. A picture of startling photographs, appalling, tragic death, crippled by falling, being arc burn, a section of text is written in blood and tears of the lesson. When night fell, watching the myriad of twinkling lights, neon lights, I would be filled with emotion.This wonderful night coagulation casting numerous blood and sweat of enterprise workers, somewhere I have also never far away in silence for some sorry sad lives of these downtown. They like the vast sky fallen out one meteor, only to disappear in a flash in the people's sight. Work year after year, I deeply feel: If there is anything to with happiness, I would not hesitate to answer - safe! Although they are two common words, but contact with the families, and involves each of us, and that in every human heart has a different weight. Security is a long-term, arduous and complicated systematic project, not only weak link in production, but also a direct impact on the family's safety. Chemical Engineering in 2004 came to this new enterprise Shenmu, as squad leader, I feel more safe production responsibility, because I have just led a group of graduate students. They looked at a picture of the young faces reminds me of the first job in my own body with the arc short circuit, although not to leave marks on my face, but it is the wake-up call, I will be weak from a security awareness cliff called back.I told them my side in case of patients with bloody lessons, because the document writing negligence and paralysis and is often painful price to pay, and those lucky who under the rescue, though they survived, their bodies can be and the mind is left irreparable trauma and pain. Bitter experience, the lessons from the scenes of blood, we should set a correct, strong safety awareness. Had given them read an article about, still fresh in my memory, a thermal power companies in the construction of a chemical plant, a Japanese expert has said construction workers: "You Chinese people are not afraid of death is indeed a valuable job in construction site with the phenomenon of not wearing helmets. In Japan, the director, manager, department meetings helmets are tight. "This is the great irony of squatter phenomenon. It is implicit sharply some people's weak sense of safety and ignorance, contempt for their family and society is crime. Chang-ming to the safety alarm, advise the regrettable "warriors", You put your reckless and ignorant it!Some people say: safety in our own difficulties, in our own safety. Think about it makes sense today. "Safety Month" activities started, "Safety Act" enacted "three-two votes" system of strict implementation of ... ..., this is not all to improve safety, leadership and staff have learned the composition of blood hard work and determination. Safety hazards like a cunning fox, hidden, waiting, watching our illegal acts, and await the misappropriation of our health lives. "In the post a minute, sixty seconds security", we all should doThis. In the workplace every minute, we not only have to do to ensure their personal safety while under the jurisdiction to ensure their own safety of electrical equipment and power grid. No one knows the youth of brilliant flowers, the fertile soil in the safe open and varied, the ravages of an accident will become indifferent light. Looking to the future, each of us to go a long way to go, shouldering heavy responsibility. In the new situation and new objectives, our actions should be more stable and more mature. When we see the bright red of the sun where they stand, vertical and horizontal pipes golden desert ... ... and every stationary and moving beings have been rendered prosperous and beautiful. We can not help but sigh: Life could be so beautiful and wonderful! However, the word is crucial,Because without these two words mixed phase dependent, we will not have this wonderful feeling and everything, this is safe!这个还不错,我在网上找的。有些语法我改了一下。希望采纳~~
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