餐廚垃圾的厭氧發(fā)酵處理工藝是指垃圾中的有機(jī)物質(zhì)在厭氧菌的作用下，由高分子物質(zhì)降解成為小分子物質(zhì)，然后轉(zhuǎn)化為餐廚沼氣的過程。
The anaerobic fermentation process of food waste refers to the process in which the organic matter in the waste is degraded from high molecular material to small molecular material under the action of anaerobic bacteria, and then transformed into food biogas.
餐廚垃圾經(jīng)厭氧發(fā)酵降解后產(chǎn)生的沼氣，經(jīng)過在線沼氣分析儀檢測(cè)后可通過熱電聯(lián)產(chǎn)發(fā)電機(jī)組中轉(zhuǎn)化為電能和熱能，電能可接入電網(wǎng)供生產(chǎn)生活實(shí)用，熱能在供應(yīng)垃圾處理設(shè)備自身使用后可補(bǔ)充市政供熱設(shè)施部份熱能需求，實(shí)現(xiàn)經(jīng)濟(jì)利益與社會(huì)效益共贏的局面。發(fā)酵后產(chǎn)生的沼液經(jīng)過脫氮，脫鹽，脫硫處理后可作為液態(tài)有機(jī)肥料在農(nóng)業(yè)灌溉園林種植等領(lǐng)域使用。沼渣經(jīng)過好氧堆肥后也可作為肥料使用，從而實(shí)現(xiàn)垃圾的減量化，資源化處理。
The biogas produced by anaerobic fermentation degradation of kitchen waste can be converted into electric energy and heat energy by on-line biogas analyzer. The electric energy can be connected to the power grid for production and domestic use. The heat energy can supplement part of the heat demand of municipal heating facilities after being supplied to the waste treatment equipment itself, so as to achieve a win-win situation of economic and social benefits. The biogas slurry produced by fermentation can be used as liquid organic fertilizer in agricultural irrigation, garden planting and other fields after denitrification, desalination and desulfurization. Biogas residue can also be used as fertilizer after aerobic composting, so as to realize the reduction of waste and resource treatment.
厭氧發(fā)酵技術(shù)的優(yōu)點(diǎn)是垃圾的減量化，資源化處理效果好，產(chǎn)生的餐廚沼氣發(fā)電可作為新能源補(bǔ)充現(xiàn)有常規(guī)能源。厭氧發(fā)酵過程中無臭氣逸出，發(fā)酵后不會(huì)產(chǎn)生二次污染，社會(huì)大眾的接受程度較高。該技術(shù)成熟，在國(guó)內(nèi)已經(jīng)有很多項(xiàng)目應(yīng)用。
The advantages of anaerobic fermentation technology are the reduction of waste, good resource treatment effect, and the kitchen biogas power generation can be used as new energy to supplement the existing conventional energy. There is no odor escaping in the process of anaerobic fermentation, and there is no secondary pollution after fermentation, which is highly accepted by the public. The technology is mature and has been applied in many projects in China.
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2021-04-16
