Analysis of Solid and Liquid Waste Characteristics of Tofu Industry in Bancar Village, Bungkal District, Ponorogo Regency

Jurnal Pembangunan dan Alam Lestari Pub Date : 2023-06-13 DOI:10.21776/ub.jpal.2023.014.01.01

Rohima Nostia

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Abstract

The tofu industry in Bancar village, Bungkal district, Ponorogo regency, East Java province is still at micro enterprise (MSME) level and is operated with simple technology, so the level of water and raw efficiency is high. Material consumption is still low and waste generation is relatively high. This study aims to analyze the solid and liquid waste characteristics of the tofu industry in Bancar Village, Bungkal District, Ponorogo Regency. To study this case, a sampling technique of solid and liquid waste was carried out and further testing was carried out in the laboratory. Based on the results of the research, the solid waste characteristics of the tofu industry contain moisture content of 93.18%; ash content of 0.21%; crude protein content of 2.77%; crude fiber content of 1.65%; carbohydrate content of 1.88%; calorie content of 21.48 Cal/100 gr. As for liquid waste, it characteristics has 5 parameters to be tested, namely Biological Oxygen Demand (BOD5) has a level of 869.7 mg/L, Chemical Oxygen Demand (COD) has a level of 4480 mg/L, Total Suspended Solid (TSS) has a level of 110 mg/L, and pH has a value of 3.95.

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Ponorogo县Bungkal区Bancar村豆腐工业固体和液体废物特征分析

东爪哇省Ponorogo县Bungkal区Bancar村的豆腐产业仍处于微型企业(MSME)水平，采用简单的技术操作，因此水和原料效率水平高。材料消耗仍然很低，而废物产生量相对较高。本研究旨在分析Ponorogo Regency邦格卡尔区班卡尔村豆腐产业的固体和液体废物特征。为了研究这一病例，对固体和液体废物进行了取样技术，并在实验室进行了进一步的测试。根据研究结果，豆腐工业固体废物特性含水率为93.18%;灰分含量0.21%;粗蛋白质含量2.77%;粗纤维含量1.65%;碳水化合物含量1.88%;液体废物的特性有5个参数需要测试，即生物需氧量(BOD5)为869.7 mg/L，化学需氧量(COD)为4480 mg/L，总悬浮固体(TSS)为110 mg/L, pH为3.95。

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Jurnal Pembangunan dan Alam Lestari

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20 weeks