Meal rubbish and hutch more than rubbish, they look be like " appearance " about the same, waiting for a respect in origin, character and environmental influence actually is different " brother " .
Eat hutch rubbish, common weighs hogwash, hogwash, also call slant in water to call sour water again, it is meal rubbish and hutch a general designation of more than rubbish, basically be a dweller the life trash that forms in life consumption process, it is the mainest kind in food rubbish, the horn below the food treatment that includes the generation such as family, school, dining room and meal industry expects (hutch beyond) with edible remains (hogwash) . Its part is complex, basically be the mixture of a variety of material such as towel of face of oil, water, peel, vegetable, rice, fish, flesh, bone and useless tableware, plastic, paper. The characteristic is extremely easy cankered metamorphism, send out effluvial, transmit bacterium and virus. Amount of rubbish of hutch of our country eat is very huge, show fast ascendant trend.
Differ according to origin, hutch rubbish basically divides eat to be mixed for meal rubbish hutch beyond rubbish. Former generation the remains of a meal that waits for meal course of study from restaurant, dining room, have generation to estimate big, amount opposite concentration, distributing wide characteristic, latter basically points to the leftover pieces that the dweller discards in daily cook and leftover ort, come from an innumberable families, the amount is huge but relatively dispersive, overall generation capacity exceeds meal rubbish.
Cate still is a minute ago, a minute of epigenesis rubbish. Because dietary culture is mixed,dine together wait for a habit, eat hutch rubbish became China's particular phenomenon. Chinese table is wasteful and breathtaking, produce the eat hutch rubbish of huge amount everyday. According to concerning sectional statistic, guangzhou city everyday meal rubbish (contain deserted edible oil) be in about 1800-2200 or so tons, follow different season fluctuates somewhat. Hutch beyond rubbish occupies scale to be in commonly in place of series of life rubbish physics 50% the left and right sides, according to Guangzhou city treating capacity of life rubbish terminal was calculated 18 thousand tons 2015, if more than rubbish can do all hutch effectively,wet departure comes out, so amount of theory of hutch beyond rubbish will achieve 9000 tons. Accordingly, want to accomplish the classified processing of life rubbish, whether hutch depart of more than rubbish comes out special key, so, the dry wet departure of dweller family (namely the hutch beyond rubbish with the other rubbish with low moisture content and high moisture content) this one link appears particularly important.
Understand the real features of eat hutch rubbish clearly more in person to help everybody, small make up again Suo a bit. Eat hutch rubbish is mixed by generation process stock is specific if divide, can divide for 3 much:
01 meal machine the rubbish that forms in the process
The clay that basically is the cauline leaf that comes down from vegetable cutting, vegetable carry secretly, scale, birds kind head foot feather, machine the more than matter that leave for the kitchen. Rubbish of leftover and grease segregator, oiliness is not contained in this kind of rubbish very few, economic value is not high, collect this kind of rubbish alone without the person commonly, this kind of rubbish is multi-purpose come compost, manufacturing organic fertilizer.
02 leftover ort, call hogwash popularly
This kind of rubbish basically is the rest meal and Shang Shui wait, the oil that offers from which calls hogwash oil. This kind of oily character is main be neuter, acid value is not high, enter edible oil very easily. This kind of pig that takes hogwash to be brought up calls rubbish pig.
Rubbish of 03 grease segregator
This kind of rubbish basically is cafeteria restaurant is in rinse process, the rest in tableware a few meal enter grease segregator as rinse water with a few grease, scour in, grease kind material floats in surface, form grease segregator rubbish. The fat content of grease segregator rubbish is higher, be in commonly 20%-80% . As hotel social estate different, oil content has very big difference, the oil that extracts from inside grease segregator is called " ground channel is oily " , this kind of oily condensation point is higher, acid value is higher.
In rubbish of hutch of 3 kinds of eat, leftover ort amount is the largest, the oil of the rubbish in grease segregator is most, this is both the main field that is contradiction, the harm of odd meal is opposite and character is lesser, but moisture content and salinity are taller, contain a large number of organic nutrition material, do not suit to be filled directly bury and burn processing, handle undeserved likelihood to appear use these food rubbish to raise rasorial cattle, reclaim oil of channel of ground of treatment food, abstraction endanger food security even the problem of zoology safety. And go out by the extraction in leftover ort " hogwash is oily " and the extraction in grease segregator rubbish goes out " ground channel is oily " , have fair economic value, illegal element often uses Gou Duifang in oil of type interfuse edible, ordinary common people is distinguish hard and identify, it is a kind of rubbish that is hard to manage quite.
Hogwash oil, ground channel oil is the harm in eat hutch rubbish also be two kinds of grease with economic the greatest value greatly most, as a kind of industrial chemicals, the use of these two kinds of grease is very much, if can produce fatty acid, lubricant, scour, soap with a future life,wait. The additional cost of these products is higher, but demand is not quite big. What waste oil than domestic eat hutch is integrated use means and character, the additional cost of biology derv is higher also, but manufacturing cost is higher, market demand of short duration did not form dimensions to change, use hogwash oil and ground channel oil to produce biology diesel oil, can complement for biology derv industry a few raw material.
(this article turns from Beijing rubbish to classify small letter platform)
Graph article content originates network
Small make up arrange integratedly make
