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±´¿ÇÓ¢: ½ð±Ò+10, ·ÒëEPI+1, ¡ïÓаïÖú 2015-05-05 18:16:42
±´¿ÇÓ¢: ½ð±Ò+10, ·ÒëEPI+1, ¡ïÓаïÖú 2015-05-05 18:16:42
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ÁòÌú¿óÖÆËṤҵÖзÏË®µÄ´¦Àí·½·¨¼°ÆäÑо¿ A study on wastewater treatment technology of pyrite acid industry ÕªÒª abstract: ÁòËáÊÇÖØÒªµÄ»¯¹¤ÔÁÏÖ®Ò»£¬ÁòËáµÄ²úÁ¿³£±»×÷ΪºâÁ¿Ò»¸ö¹ú¼Ò¹¤Òµ·¢Õ¹Ë®Æ½µÄ±êÖ¾. The output of sulfuric acid£¨H2SO4), which was one of important chemical material, was generally regarded as a standard to evaluate the development of industry in a country. ÔÚ¸ÖÌú¡¢Ò±½ð¡¢Ê¯»¯¡¢»¯¹¤¡¢¾ü¹¤µÈÐí¶àÁìÓò±»¹ã·ºÓ¦Óá£Ëü»¹ÊÇÐí¶à¹¤ÒµÉú²úµÄÖØÒªÔÁÏ. Moreover, H2SO4 was also a important raw materials for many industrial production,which was widely applied in steel, metallurgy, petrochemical industry, chemical industry, military industry and many other fields. 2004 ÄêÖÁ½ñÎÒ¹úÁòËá²úÁ¿ÒÑλ¾ÓÊÀ½çÊ×룬2006 ÄêÖйúÁòËá²úÁ¿´ï 50.43 Mt£¬ÒÔÁò»Ç¡¢ÁòÌú¿óºÍÒ±Á¶ÑÌÆøÎªÖ÷µÄÔÁÏ The output of sulfuric acid, was major synthesized from sulphur, pyrite and metallurgical off gases, have already ranked the first in the world at 2004, and the H2SO4 output in China reached 50.43 Mt at 2006. ¸Ä¸ï¿ª·ÅÒÔÀ´£¬ÖйúÁòËáÐÐÒµµÄ²úÒµ¼¯Ô¼»¯³Ì¶È´ó·ùÌá¸ß£¬µ¥ÏµÁÐÁòËá×°ÖõÄ×î´ó¹æÄ£·Ö±ðΪÁòÌú¿óÖÆËá 400 kt/a¡¢Áò»ÇÖÆËá 1000 kt/a¡¢Ò±Á¶ÑÌÆøÖÆËá 600 kt/a¡£ Industry intensive degree of China's sulphuric acid industry has been raised significantly since the reform and opening up. The the largest single series of sulfuric acid device was 400 kt/a of pyrite-based sulphuric acid, 1000 kt/a of sulphur-based sulphuric acid and metallurgical off gases based sulphuric acid,respectively. 2008 Äê£¬ÔÆÄÏ¡¢ºþ±±¡¢É½¶«¡¢¹óÖÝ¡¢½ËÕ¡¢°²»Õ 6 ¸öÊ¡²úÁ¿³¬¹ý 300 Íò¶Ö£¬Õ¼È«¹ú×Ü ²úÁ¿µÄ 57%£»¶øÎÒÊ¡¸ß´ï 811 Íò¶Ö£»²úÁ×ËÄÊ¡£¨ÔÆ¡¢¹ó¡¢¶õ¡¢´¨£©µÄÁòËá²úÁ¿Õ¼È«¹ú×ÜÁ¿ 38%£» The H2SO4 output of Yunnan,Hubei,shandong,Guizhou,Jiangsu and Anhui 6 provinces has exceed 300 ten thousand ton, which was about 57% of the national output, while reached 811 ten thousand ton in our province. The H2SO4 output of 4 provinces (Yunnan,Guizhou,HUbei and sichuan) of phosphorus production was about 38% of the national output. µ«ÊÇ£¬ÁòËṤҵÊôÓÚ»¯¹¤ÐÐÒµ£¬Òò´Ë¾ßÓл¯¹¤ÐÐÒµµÄ¸ßÎÛȾÐÔ. Sulfuric acid industry, which belongs to chemical industry, has the characteristic of high polluted . ÁòËṤҵÅŷŵÄÖ÷ÒªÎÛȾÎï°ü À¨´óÆøÎÛȾÎïºÍË®ÎÛȾÎÆäÖдóÆøÎÛȾÎïÖ÷ҪΪ¶þÑõ»¯Áò£¨SO2£©¡¢Ë®ÎÛȾÎïÖ÷ÒªÎªÖØ½ðÊô The major pollutants of sulfuric acid industry comprisesd the atmospheric pollutant that was mainly for SO2 and water pollutant that mainly for heavy metal. ÎÒ¹úÁòÌú¿ó´¢Á¿´ó·Ö²¼¹ã,¶øÁò»Ç×ÊÔ´Ôò½ÏΪȱ·¦,Òò´ËÎÒ¹úÉú²úÁòËáµÄÔÁϳ¤ÆÚÒÔÀ´¶¼ÒÔÁòÌú¿óΪÖ÷,ÁòÌú¿óÖÆËá²úÉúµÄÔüÁ¿´ó,ÌØ±ðÊǺ¬Éé·ÏË®ÅŷźóÑÏÖØÎÛȾ»·¾³,¶ÔÖܱ߾ÓÃñµÄÉú»î½¡¿µÒ²ÓÐÑÏÖØÍþв. Considering that the sulfur resources were under poor conditions in our country the pyritic resources, which were found to be widely distributed in great reserves, was used as the mainly raw materials to produce H2SO4 for a long time. ,ÁòÌú¿óÖÆËá²úÉúµÄÔüÁ¿´ó,ÌØ±ðÊǺ¬Éé·ÏË®ÅŷźóÑÏÖØÎÛȾ»·¾³,¶ÔÖܱ߾ÓÃñµÄÉú»î½¡¿µÒ²ÓÐÑÏÖØÍþв Pyrite-based sulphuric acid has the disadvantages of high slag and wastewater, especially the Arsenic waste water, which made severe pollution of the environment after discharged, has a serious threat to surrounding people's life and health. Òò´Ë¶ÔÁòÌú¿óÖÆËṤҵÖзÏË®´¦Àí¼¼ÊõµÄÑо¿¾ßÓкܴóµÄÒâÒå. Thus, the study on wastewater treatment technology of pyrite acid industry has a profound meaning. ¹Ø¼ü´Ê£ºÁòËáÉú²ú¡¢·ÏË®¡¢ÁòÌú¿ó¡¢´¦Àí¡¢ ¼¼Êõ Key words: sulfuric acid production,wastewater, pyrite,treatment , technology |
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2Â¥2015-05-05 16:11:54
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3Â¥2015-05-06 08:16:12
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- Ìû×Ó: 312
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- ³æºÅ: 3552304
- ×¢²á: 2014-11-22
- ÐÔ±ð: MM
- רҵ: ÓлúºÏ³É

4Â¥2015-05-06 09:41:05














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