The present invention discloses an efficient purifying agent for papermaking wastewater, which comprises 5_15 parts of bentonite, 15_30 parts of diatomite, 40_60 parts of polymerized ferric sulfate, 1_5 parts of zeolite, 5_10 parts of weathered coal, 4_10 parts of sepiolite powder and 10_20 parts of activated carbon. The preparation method of the purifying agent is also disclosed, and the preparation method will be zeolite. Stone, weathered coal and sepiolite powder were extruded with water to form mixed granule A with a diameter of 1-2 mm; mixed granule A was burned at 600-800 C for 7 hours; bentonite and diatomite were weighed to polymerize ferric sulfate solution to obtain mixed solution B; mixed granule A was added to mixed solution B to obtain paste C; paste C was placed in muffle furnace. After heating to a certain temperature, holding for 1 hour, then cooling to a certain temperature, reaction for 30 minutes, and then cooling to normal temperature, static drying, obtained papermaking wastewater treatment agent. The invention can efficiently adsorb the organic and inorganic pollutants in the paper-making wastewater, and can be effectively used for the physical and chemical treatment of the paper-making wastewater discharged from the paper-making plant.
【技术实现步骤摘要】
一种高效造纸废水净化剂及其制备方法
本专利技术涉及废水处理
,具体是一种高效造纸废水净化剂及其制备方法。
技术介绍
造纸废水指制浆造纸工艺过程中产生的废水。包括制浆蒸煮废液、洗涤废水、漂白废水与纸机白水等。造纸废水成分复杂,可生化性差,属于较难处理的工业废水,是我国主要的工业污染源之一。造纸废水成分复杂,可生化性差,属于较难处理的工业废水,其中含有的主要污染有以下几种:(1)悬浮物:包括可沉降悬浮物和不可沉降悬浮物,主要是纤维和纤维细料(即破碎的纤维碎片和杂细胞);(2)易生物降解有机物:包括低分子量的半纤维素、甲醇、乙酸、甲酸、糖类等;(3)难生物降解有机物:主要来源于纤维原料中所含的木质素和大分子碳水化合物;(4)毒性物质:黑液中含有的松香酸和不饱和脂肪酸等;酸碱毒物:碱法制浆废水pH值为9-10,酸法制浆废水pH值为1.2-2.0;色度:制浆废水中所含残余木质素是高度带色的。虽然造纸废水在生产过程中也有回收、处理、再用,但仍有大量的废水排入水体,造成了水环境严重污染。造纸废水成分复杂,含有大量的木质素、半纤维素、糖类和其他溶出物(残碱、无机盐、挥发酸、 ...
【技术保护点】
1.一种高效造纸废水净化剂,其特征在于,包括以下重量份数的制备原料组成:膨润土5‑15份、硅藻土15‑30份、聚合硫酸铁40‑60份、沸石1‑5份、风化煤5‑10份、海泡石粉4‑10份、活性炭10‑20份。
【技术特征摘要】
1.一种高效造纸废水净化剂,其特征在于,包括以下重量份数的制备原料组成:膨润土5-15份、硅藻土15-30份、聚合硫酸铁40-60份、沸石1-5份、风化煤5-10份、海泡石粉4-10份、活性炭10-20份。2.根据权利要求1所述的一种高效造纸废水净化剂,其特征在于,包括以下重量份数的制备原料组成:膨润土8-12份、硅藻土18-25份、聚合硫酸铁45-55份、沸石2-4份、风化煤6-9份、海泡石粉5-9份、活性炭12-18份。3.根据权利要求1所述的一种高效造纸废水净化剂,其特征在于,包括以下重量份数的制备原料组成:膨润土10份、硅藻土20份、聚合硫酸铁500份、沸石3份、风化煤7份、海泡石粉7份、活性炭15份。4.一种如利要求1所述的高效造纸废水净化剂的制备方法,其特征在于,包括如下步骤:(1)、将沸石、风化煤、海泡石粉按...
【专利技术属性】
技术研发人员:刘慧玲,
申请(专利权)人:合肥智慧龙图腾知识产权股份有限公司,
类型:发明
国别省市:安徽,34
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