I plant the radiator using current advanced welding technology, in the process do not change the steel structure, the connection point of the solder joints using ultrasonic non-automatic laser welding, weld contact surface so that greater and more uniform, and no welding slag, to ensure welding safety, strengthened the combination of the Department of Welded Joints of alkali and acid mist erosion of professional skills, enhanced anti-corrosion products, while research and development of new technologies, new materials for new product development.

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Analcite and hydrated calcium alumino-silicate are the major hydration products of the cement.

堿磷渣水泥的主要水化產(chǎn)物是水化硅酸鈣在线观看国产、方沸石、水化硅鋁酸鈣绿帽人妻91社区。

This paper studies the neutralize agent for zinc hydrometallurgy of jarosite process,analyses advantage and disadvantage of NH_4HCO_3 and calcine as jarosite precipitation neutralize agent,points out if used calcine removed zinc ferrite as neutralize agent,than can cut the cost and reduce zinc content in slag.

研究了濕法煉鋅黃鉀鐵礬渣除鐵工藝的中和劑国产拍在线视频，分析了碳酸氫銨和焙砂作為沉礬中和劑的優(yōu)缺點(diǎn)，指出用除去鐵酸鋅的焙砂作中和劑看片免费w，可降低成本美女久久黄色的网站，減少渣含鋅。

This subject is on the basis of a detail investigation of present utilization and recovery of pyrite cinder, and taking pyrite cinder from the Jinshandian vitriol factory of Wuhan Steel and Mining Industry Corporation as raw material. FeSO_4 is produced by adopting baking of pyrite cinder and vitriol lixiviation, and introducing the new high price ion during the course of making Poly ferric Sulphate to make Iron-modified flocculants.

本課題在對(duì)目前硫鐵礦燒渣回收及利用現(xiàn)狀進(jìn)行深入綜合考察的基礎(chǔ)上在线a视频48saocom，利用武鋼礦業(yè)公司金山店鐵礦硫酸廠的硫鐵礦燒渣為原料国产视频自拍你懂的，采用還原焙燒AV网站天堂网，酸浸工藝制取硫酸亞鐵精品伊人久久大线蕉色首页，在制取聚合硫酸鐵的基礎(chǔ)上引入新的高價(jià)離子，制取復(fù)合聚鐵絮凝劑99超碰在线播放。

The ammonia was evaporated under decreasing pressure, and the precipitate was filtered off and the liquid was poured into hot saturated picric acid solution to get picrate with a yield of 85.0%. The optimum process starting from imidazole-4,5-dicarboxylic acid was: imidazole-4,5-dicarboxylic acid in acetic anhydride was refluxed to get imidazole-4-carboxylic acid, and the product was esterification in ethanol with a catalyzer of concentrated sulfuric acid to get ethyl imidazole-4-carboxylate, at last the compound above was reduced by LiAlH4 in ether at room temperature to get the target compound, the total yield of this route was 49.6%.

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The result shows:(1) The value of pH of solution should be adjusted with phosphoric acid and sulphurous acid (1:2) at extracting pectin from apple pomace,and the pectin with the best color and quality was obtained.

研究結(jié)果表明：①用本試驗(yàn)所用的果渣提取果膠，應(yīng)選用H_3PO_4和H_2SO_3混合酸(1：2)作為萃取劑調(diào)節(jié)溶液的pH值欧美日韩精品视频一区二区在线播放，所得粗果膠無(wú)論是產(chǎn)率還是色澤都優(yōu)于其它酸萃取的效果欧美一级A片视频。

The invention discloses a synthetic using method of smelting high-furnace dust, which comprises the following steps: grinding the high-furnace dust with 1.5-15% zinc; proceeding magnetic cobbing; reclassifying to obtain the refined ferric ore; disposing ore tail through waste acid of titanium dioxide with 15-30% sulphuric acid; transmitting the zinc oxide in the solution at zinc sulfate pattern; separating solid and liquid solution through lime; obtaining refined zinc ore through S2-, CO32-, HCO3- ion; floating the immersed slag through neutral oil.

一種煉鐵高爐爐塵資源綜合利用的方法，含鋅1.5％～15％的高爐爐塵經(jīng)磨礦高清无码小视频、磁選91精品啪在线观看国产蜜臀、重選回收鐵礦物獲得鐵精礦，選礦尾礦用含硫酸15％～30％的鈦白廢酸處理A片黄片视频在线免费观看，使其中的氧化鋅以硫酸鋅的形式轉(zhuǎn)入溶液中18禁又污又黄又爽的网站日本，固液分離得出的溶液用石灰中和除鐵后，再用S2-亚洲av无码无线在线观看、CO32-少妇按摩一区二区三区、HCO3-離子沉鋅獲得鋅精礦，浸出渣用中性油浮選獲得炭精礦成年无码Av动漫网站黄。該方法將鈦白廢酸和高爐爐塵結(jié)合在一起欧美的一级片，使之成為互為所需的原料和試劑，有效地將兩種廢棄物變成了有價(jià)資源国产AV无码中文，較好解決了環(huán)境污染問(wèn)題国产精品一级二级，同時(shí)又能產(chǎn)生好的經(jīng)濟(jì)效益。

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

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For the main raw material: 1, Mo containing waste: such as ammonium molybdate production after the tailings, we professional said it is "ammonium slag."

主要原料為：1、含鉬廢料：如生產(chǎn)鉬酸銨以后的尾渣黄色A，我們專業(yè)稱它叫&銨渣&国产aaaaaaaa一级。

The consequence of using chamber filter press to separate the waste acidolysis residue during titanium dioxide production was:the recovery rate of titanium solution reached 91.8%,which increased 3.6% comparing the period without the equipment.

介紹了鈦白粉生產(chǎn)中酸解渣的產(chǎn)生和利用情況，目前對(duì)鈦白生產(chǎn)過(guò)程中產(chǎn)生的酸解廢渣進(jìn)行固液分離主要采用傳統(tǒng)的稀釋法黄色无码丝袜视频，該工藝存在鈦液回收率偏低和產(chǎn)生大量洗水的缺點(diǎn)免费观看视频精品免费观看。