In this paper,the various methods of reclaiming chrome and collagen from chrome effluent and chrome-tanned leather sc...

本文就此問題著重介紹了如何從鉻鞣廢液及鉻鞣革屑中回收鉻及皮膠原性爱视频在线免费观看，并將其重新用于皮革工業(yè)久久久无码精品亚洲日韩www。

Chrome-tanning process is still very important in leather industry for its special tanning properties.This process can produce some chrome effluent and chrome-tanned leather scraps,the reject of which not only can contaminate the environment but also can cause great economic losses.

鉻鞣因其優(yōu)異的鞣制性能又大又粗又长又高潮的视频，在制革工業(yè)中仍占據著重要地位欧美一级AAAAA特黄片免费看，但由鉻鞣產生的各種污染如鉻鞣廢液、鉻鞣革屑等對環(huán)境具有極大危害最近中文字幕视频免费手机版，這些廢液及材料的直接排放和丟棄国模AV影院在线，還會造成很大的經濟損失。

The drying process of chrome liquor was studied. The structure and property of chrome complex reducing by alcohol were analysed and tokened by many present well-rounded separation and analysis methods such as IR, UV-Vis Spectrum, IEC and pH potentiometry. Application tests of chrome tanning agents were conducted and tanning methods of tanning at high pH were studied. A systematic study was conducted on high alkalinity chrome tanning agents application in leather making process and possibility of clean chrome tanning was discussed.

本文系統(tǒng)地研究了多種小分子醇與重鉻酸鹽之間的氧化-還原反應日韩美女中文字幕高清，對反應過程進行了認真的剖析国产另类一区二区在线；對鉻鞣液的干燥過程進行了研究；用紅外光譜法caoprom在线、紫外及可見分光光度法亚洲欧美乱码一区二区、離子色譜法以及pH電位滴定法等多種比較成熟的現代分離分析方法相結合，對醇還原鉻配合物的結構與性能進行了分析與表征按摩一级毛片真人；對鉻鞣劑的鞣革性能進行了應用實驗，研究了醇鉻鞣劑在高pH值下的鞣制方法无码视频天天做夜夜夜做，并就高堿度鉻鞣劑在制革過程中的應用進行了系統(tǒng)研究av无码aV天天aV天天爽，探討了用其實施清潔化鉻鞣的可能性久久95国产热情精品国产。

The results show that the shrinkage temperature of the leather tanned with QUIMITAN ABC is 101.4℃, and the physical-mechanical properties of QUIMITAN ABC tanning leather are better than that of chrome powder tanning leather; the content of Cr2O3 (0.4142 g/L) in the float of QUIMITAN ABC tanning is lower than that of the content of Cr2O3 (1.9481 g/L) chrome powder tanning, it's clear that QUIMITAN ABC tanning is good for Cleaner production; under the same content of chromic oxide, the physical properties of retanning leather with QUIMITAN ABC are better than that of retanning leather with chrome containing sytan and chrome powder, such as thichkening, flexibility, physical-mechanical properties.

結果表明：QUIMITAN ABC主鞣后的坯革的收縮溫度為101.4℃，且其坯革物理力學性能高于用6%的鉻粉主鞣后的坯革人人射人人看性爱视频；QUIMITAN ABC主鞣后的廢液Cr2O3含量(0.4142 g/L)明顯低于用6%的鉻粉主鞣后廢液Cr2O3含量(1.9481 g/L)97免费视频在线观看，用QUIMITAN ABC主鞣有益于清潔化生產；在Cr2O3含量相同的情況下2020在线观看黄色视频播放网站，用QUIMITAN ABC復鞣的坯革在增厚率在线成人网站免费、柔軟度、物理力學性能等方面都要好于含鉻鞣劑及鉻粉復鞣的坯革三级黄免费视频网站。

The drying process of chrome liquor was studied. The structure andproperty of chrome complex reducing by alcohol were analysed and tokened by manypresent well-rounded separation and analysis methods such as IR, UV-Vis Spectrum,IEC and pH potentiometry. Application tests of chrome tanning agents wereconducted and tanning methods of tanning at high pH were studied. A systematic studywas conducted on high alkalinity chrome tanning agents application in leather makingprocess and possibility of clean chrome tanning was discussed.

本文系統(tǒng)地研究了多種小分子醇與重鉻酸鹽之間的氧化-還原反應亚洲熟妇性爱，對反應過程進行了認真的剖析；對鉻鞣液的干燥過程進行了研究在线国产福利网站；用紅外光譜法免费看黄色网站在线看、紫外及可見分光光度法、離子色譜法以及pH電位滴定法等多種比較成熟的現代分離分析方法相結合亚洲黄色视频一区二区三区，對醇還原鉻配合物的結構與性能進行了分析與表征欧美牲交a欧美牲交aⅴ精品；對鉻鞣劑的鞣革性能進行了應用實驗，研究了醇鉻鞣劑在高pH值下的鞣制方法国产在线视频91，并就高堿度鉻鞣劑在制革過程中的應用進行了系統(tǒng)研究精品在线一区热点，探討了用其實施清潔化鉻鞣的可能性。

It is very important to study the composition of chrome tanning liquors for elucidating the reaction mechanism of collagen and chrome coordination compounds and directing practical chrome tanning process.

研究鉻鞣液的組成及各種鉻配合物在鉻鞣過程所起的作用五月天免费人成网站，對于闡明鉻鞣機理和實際的鉻鞣操作過程有重要的指導意義一线高清视频免费播放手机现在黄色网一急片。

In conclusion, not only the methods and relative situation of extracting Cr from chrome slag but also the feasibility of producing yellow chrome by using chrome slag"s leachate were studied in this dissertation. All these study will provide necessary theoretical basis for the industrialization of producing yellow chrome from the chrome slag"s leachate.

本論文研究的創(chuàng)新之處在于：本研究以從鉻渣中提取六價鉻作為立足點，消除了解毒后的鉻遇氧化條件毒性恢復的可能禁止18观看，利用回收的六價鉻制取鉻黃顏料的研究初步證明欧美18禁止看网站，該法不僅切實可行，而且成本低廉精品亚洲护士av无码番号、效益好精品一级A片中文字幕。

Google does not expect to sell or otherwise "monetise" Chrome directly.

谷歌并不急于將Chrome投放市場，換得白花花的銀兩A级毛片高清免费视。

Chrome was designed to be the world's speediest browser at handling JavaScript.

而Chrome的設計初衷之一就是成為全球處理JavaScript速度最快的瀏覽器A级毛片全部免费高清视频人人。

As Chrome roll out, google costs the energy on red fox browser to be sure to decrease accordingly.

隨著Chrome的推出，Google花費在火狐瀏覽器上的精力必將相應的減少亚洲色av噜噜狠狠爱。