Purification treatment method of red clover fresh grass preprocessing waste water

Purification treatment method of red clover fresh grass preprocessing waste water

The invention discloses a purification treatment method of red clover fresh grass preprocessing waste water, which belongs to the technical field of sewage treatment. The method comprises the following steps of: filtering and removing solid particles of the red clover fresh grass preprocessing waste...

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Hauptverfasser: LIAO SHIQI, XI YUQIN, YAO JIAN, YANG HONG, ZENG JIAYU, KONG WEIBAO, LIU XIONGXIONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
FODDER
FOODS OR FOODSTUFFS
HUMAN NECESSITIES
METALLURGY
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator LIAO SHIQI
XI YUQIN
YAO JIAN
YANG HONG
ZENG JIAYU
KONG WEIBAO
LIU XIONGXIONG
description The invention discloses a purification treatment method of red clover fresh grass preprocessing waste water, which belongs to the technical field of sewage treatment. The method comprises the following steps of: filtering and removing solid particles of the red clover fresh grass preprocessing waste water to obtain primary waste water; acidizing the primary waste water until pH is equal to 3.5-4.5 through stirring; still standing, subsiding and filtering to obtain sediments and secondary waste water; adjusting the pH value of the sediments to be 6.5-7.5, then drying, grinding, and using the sediments for preparing animal roughages; and neutralizing the secondary waste water through alkali, and then directly using the secondary water as agriculture irrigating water, or processing the secondary water through an activated sludge aerobic aeration fermentation method, and then using the secondary water for irrigating farmlands. According to the method, an acid precipitation technology and a biological treatment te
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subjects CHEMISTRY
FODDER
FOODS OR FOODSTUFFS
HUMAN NECESSITIES
METALLURGY
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Purification treatment method of red clover fresh grass preprocessing waste water
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