Method for improving dry weight reduction and dehydration performance of organic waste
A technology for organic waste and dehydration performance, applied in chemical instruments and methods, dehydration/drying/thickened sludge treatment, water/sludge/sewage treatment, etc., can solve the problem of high cost, uneven heating of waste sludge, no reduction In order to achieve the effect of low energy consumption, improve the effect of dry weight loss and dehydration performance, and promote the dissolution
Active Publication Date: 2017-12-01
DONGHUA UNIV
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Abstract
The invention provides a method for improving dry weight reduction and dehydration performance of organic waste. The method comprises steps as follows: firstly, a pretreating agent is prepared from organic raw materials for later use; then, the organic waste is weighed and poured into a reactor, and the pretreating agent is added to the reactor, mixed and stirred uniformly; the reactor is closed, and heating is started for a pre-reaction; after thermal insulation is finished, an exhaust valve of the reactor is turned on, gas produced during the pre-reaction is completely exhausted, the exhaust valve is turned off, a gas charging valve is turned on again, reducing gas is charged into the reactor, and inside pressure of the reactor is increased; gas charging is stopped, and the gas charging valve is turned off; heating is continued, and a second reaction starts; after the second reaction ends, a product is cooled to the normal temperature, the reactor is opened, the reacted solid-liquid mixture is dehydrated, and a mud cake is obtained. The catalytic gas release function of the organic pre-treatment agent is comprehensively utilized, dissolution of the organic waste is promoted, reductive and catalytic reactions are realized, the dry weight reduction effect and the dehydration performance of the organic waste are notably improved, and energy consumption is low.
Application Domain
Sludge treatment by de-watering/drying/thickening
Technology Topic
Thermal insulationPre treatment +9
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