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In practical industrial applications, adsorption separation is generally divided into two categories: variable pressure adsorption and variable temperature adsorption. From the adsorption isotherm of the adsorbent, it can be seen that the adsorbent has a large adsorption capacity for impurities at high pressure and a small adsorption capacity at low pressure. Also from the adsorption isobars of adsorbent, it can be seen that at the same pressure the adsorbent has a large adsorption capacity at low temperature and a small adsorption capacity at high temperature. Adsorption separation using the former property of the adsorbent is known as pressure shift adsorption (PSA) and adsorption separation using the latter property of the adsorbent is known as temperature shift adsorption (TSA).

Pressure Swing Adsorption (PSA for short) is a new gas adsorption separation technology, which has the following main advantages: (1) high product purity; (2) generally work at room temperature and low pressure, bed regeneration without heating, energy saving and economy; (3) equipment is simple, easy to operate and maintain; (4) continuous cyclic operation, which can be fully automated. Therefore, when this new technology was introduced, it has been the attention of national industries, competing development and research, rapid development and increasing maturity.

With the increasing industrialisation, the pollution of VOCs has a tendency to expand further. And with the recent environmental protection policies become more and more stringent, the emission control of organic pollution waste gas becomes more important. Here we take a look at what technologies are available at home and abroad? What are the advantages and disadvantages of each?

The absorption capacity of ionic liquid for sulfur dioxide is very strong, the amount of solvent recycling is only 1/15~1/5 of MDEA solvent, and the consumption of public works is much lower than that of MDEA solvent absorption and regeneration.

在現(xiàn)貨市場(chǎng)中，新加坡基準(zhǔn)180CST燃料油交易價(jià)從上周五的每噸281.30美元漲至289.80美元；而380CST燃料油價(jià)格每噸上漲3.40美元為284.75美元。

2008年7月25日，全國冶煉行業(yè)首家離子液尾氣吸收系統(tǒng)在巴彥淖爾紫金有色金屬有限公司運(yùn)行投產(chǎn)，標(biāo)志著該公司的10萬噸鋅冶煉廠尾氣排放達(dá)到了國內(nèi)領(lǐng)先水平。

獲悉，由成都華西化工科技股份有限公司研發(fā)近10年的煙氣脫硫新技術(shù)“離子液循環(huán)法”，在攀鋼新鋼釩6號(hào)燒結(jié)機(jī)試運(yùn)行成功。這標(biāo)志著，冶煉、煤電行業(yè)生產(chǎn)中煙氣無污染脫硫的“世界性難題”得到了破解。

成都華西化工科技股份有限公司是成都華西化工研究所于1999年5月改制設(shè)立的民營(yíng)股份制高科技企業(yè)，注冊(cè)資本2400萬元人民幣。主要從事工業(yè)氣體分離與凈化、環(huán)保、特種閥門、特種離心設(shè)備的技術(shù)開發(fā)與生產(chǎn)。服務(wù)于化工、石油、天然氣、冶金、電力、環(huán)保、新能源、軍工等行業(yè)。